Patent application number | Description | Published |
20100304895 | MULTI-LAYER GOLF BALLS HAVING MOISTURE BARRIER LAYERS BASED ON POLYALKENAMER COMPOSITIONS - Golf balls having a dual-core comprising an inner core and outer moisture barrier core layer are provided. The outer core help prevent moisture from penetrating into the inner core. A cover layer, preferably made of a polyurethane or polyurea material, is disposed about the outer core layer. The inner and outer cores are formed of a rubber composition, preferably a polyalkenamer rubber. The polyalkenamer rubber composition may further include other rubbers such as polybutadiene, polyisoprene, ethylene propylene rubber, ethylene propylene diene rubber, and styrene-butadiene rubber. The outer core has a moisture vapor transmission rate (MVTR) lower than that of the cover. In one version, the outer core has a MVTR of 1 grams·mm/m | 12-02-2010 |
20100323819 | GOLF BALL CORES BASED ON POLYALKENAMER RUBBER HAVING POSITIVE HARDNESS GRADIENTS - Golf balls having a core comprising a polyalkenamer rubber composition are provided. The rubber composition may further include other rubbers such as, for example, polybutadiene, polyisoprene, ethylene propylene rubber, ethylene propylene diene rubber, and styrene-butadiene rubber. The rubber composition helps improve resiliency of the core and provides the ball with a comfortable and soft feel. In one version, a solid, single core having an outer surface and geometric center is provided, wherein the outer surface has a hardness greater than the hardness of the geometric center to define a positive hardness gradient of at least 10 Shore C. In a second version, a dual-core having an inner core and surrounding outer core layer is provided. The inner core has a positive hardness gradient, while the outer core has a zero; negative; or positive hardness gradient. | 12-23-2010 |
20100323820 | GOLF BALLS HAVING MULTI-LAYER CORES BASED ON POLYALKENAMER COMPOSITIONS - The present invention generally relates to golf balls and more particularly to golf balls having multi-layered cores comprising a thermoset rubber center, a thermoplastic intermediate core layer, and a thermoset rubber outer core layer. A cover layer is disposed about the multi-layered core. At least one of the center, intermediate core layer, and outer core layer comprises a polyalkenamer rubber. The rubber composition helps improve resiliency of the core and provides the ball with a comfortable and soft feel. | 12-23-2010 |
20110053709 | NEGATIVE HARDNESS GRADIENT CORES MADE OF POLYALKENAMER RUBBER FOR GOLF BALLS - Golf balls having cores with negative hardness gradients are provided. The cores are made of polyalkenamer rubber compositions that may further include other rubbers such as, for example, polybutadiene, polyisoprene, ethylene propylene rubber, ethylene propylene diene rubber, and styrene-butadiene rubber. In one version, a solid, single core having an outer surface and center is provided, wherein the outer surface has a hardness substantially the same or lower than the hardness of the center to define a zero or negative hardness gradient. Dual-cores having inner and outer cores can be made, wherein the inner core has a negative hardness gradient and the outer core has a positive or negative hardness gradient. The rubber composition helps improve resiliency of the core and provides the ball with a comfortable and soft feel. | 03-03-2011 |
20120115633 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115634 | GOLF BALL COMPOSITIONS - Disclosed herein are hard and flexible compositions, i.e., compositions which have a flexural modulus that is less than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115635 | GOLF BALL COMPOSITIONS - Disclosed herein are hard and flexible compositions, i.e., compositions which have a flexural modulus that is less than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115636 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115638 | GOLF BALL COMPOSITIONS - Disclosed herein are hard and flexible compositions, i.e., compositions which have a flexural modulus that is less than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115639 | GOLF BALL COMPOSITIONS - Disclosed herein are hard and flexible compositions, i.e., compositions which have a flexural modulus that is less than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115640 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115641 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115642 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115643 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115644 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115645 | GOLF BALL COMPOSITIONS - Disclosed herein are hard and flexible compositions, i.e., compositions which have a flexural modulus that is less than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115646 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115647 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120115649 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120116001 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-10-2012 |
20120122608 | GOLF BALL COMPOSITIONS - Disclosed herein are soft and stiff compositions, i.e., compositions which have a flexural modulus that is greater than the value that is expected based on the composition's hardness. The compositions preferably have a hardness/modulus relationship represented by the formula | 05-17-2012 |
20120157230 | GOLF BALL LAYERS BASED ON POLYALKENAMER / IONOMER / POLYAMIDE BLENDS - Multi-piece golf balls containing a core of at least one layer and cover of at least one layer are provided. At least one component is formed from a rubber composition comprising: i) about 10 to about 65 weight percent of a cycloalkene rubber having a trans-content of about 55% or greater and a melting point of 30° C. or greater; ii) about 30 to about 80 weight percent of an ionomeric resin; and 3) about 5 to about 40 weight percent of a polyamide. The rubber composition may further include other thermoplastic and thermosetting materials such as, for example, polybutadiene, polyisoprene, ethylene propylene rubber, ethylene propylene diene rubber, and styrene-butadiene rubber. The rubber composition helps improve resiliency, durability, scuff-resistance, and feel of the ball. | 06-21-2012 |
20120157231 | GOLF BALL LAYERS BASED ON IONOMERS MADE WITH POLYALKENAMER CARRIERS - Golf balls containing a core having at least one layer and cover having at least one layer are provided. A thermoplastic ionomeric composition is used to form at least one layer of the ball. The composition is prepared by providing a masterbatch comprising cycloalkene (polyalkenamer) rubber and neutralizing agent and mixing the masterbatch with ethylene acid copolymer. The acid groups are neutralized to 30 weight percent or greater, preferably 50% or greater, and more preferably 70% or greater. The resulting ball has high resiliency and rebounding properties along with a soft feel. | 06-21-2012 |
20120157236 | GOLF BALL CORES BASED ON POLYALKENAMER AND POLYBUTADIENE RUBBER BLENDS - Golf balls containing a core comprising a blend of: a) about 1 to about 49 weight percent of a polybutadiene rubber having a relatively high Mooney viscosity, and b) about 51 to about 99 weight percent of a polyalkenamer rubber having a relatively low Mooney viscosity are provided. Single or multi-layered cores may be prepared. In addition, the golf ball includes a cover that may be single or multi-layered. The cover is preferably made of polyurethanes, polyureas, or blends thereof. The polyalkenamer/polybutadiene rubber composition helps provide the ball with high resiliency along with a soft feel. | 06-21-2012 |
20130023357 | GOLF BALL COMPRISING A VERY-LOW MELT FLOW INNER COVER LAYER COMPOSITION - A golf ball including a core; an inner cover layer formed from a thermoplastic composition and having a thickness of about 0.005 inches to 0.40 inches and a surface hardness of about 60 Shore D or greater; and an outer cover layer formed from a thermoset material and having a thickness of about 0.01 inches to 0.05 inches and a surface hardness of about 60 Shore D or less. The thermoplastic composition has a first melt flow index at 280° C. under a 10-kg load of less than about 35 g/10 min and a second melt flow index at 265° C. under a 5-kg load of less than about 10 g/10 min. | 01-24-2013 |
20130165266 | GOLF BALLS HAVING MULTI-LAYER CORES BASED ON POLYALKENAMER COMPOSITIONS - The present invention generally relates to golf balls and more particularly to golf balls having multi-layered cores comprising a thermoset rubber center, a thermoplastic intermediate core layer, and a thermoset rubber outer core layer. A cover layer is disposed about the multi-layered core. At least one of the center, intermediate core layer, and outer core layer comprises a polyalkenamer rubber. The polyalkenamer rubber may be blended with other rubbers such as polybutadiene, polyisoprene, ethylene propylene diene, and styrene-butadiene rubbers. The polyalkenamer rubber composition helps improve resiliency of the core and provides the ball with a comfortable and soft feel. | 06-27-2013 |
20130178310 | GOLF BALL INCORPORATING IONOMERIC COMPONENT HAVING PROPERTY GRADIENTS - The present invention is directed to a golf ball comprising a core, a cover and optionally an intermediate layer disposed between the core and the cover, wherein at least one of the core, the at least one intermediate layer, and the cover comprises at least one of an ionomer and an acid copolymer and has at least one treated region that is treated with and comprises a reaction product of an organometallic composition and the at least one ionomer and/or acid copolymer, such that: the at least one treated region has an internal property gradient; or at least two treated regions, in tandem, have an external property gradient; or the at least one treated region and an untreated region, in tandem, have an external property gradient. | 07-11-2013 |
20130225328 | GOLF BALLS CONTAINING LAYERS BASED ON POLYAMIDE AND FATTY ACID SALT BLENDS - Multi-piece golf balls having a solid core of at least one layer and cover of at least one layer are provided. At least one of the layers is formed from a thermoplastic polyamide composition, consisting essentially of a blend of about 40 to about 99% by weight polyamide and about 1 to about 60% by weight fatty acid salt. Preferably, the ball has a dual core construction. A rubber composition is preferably used to form the inner core and the polyamide composition is preferably used to form the outer core layer. The resulting ball has high resiliency along with a soft feel. | 08-29-2013 |
20130225331 | GOLF BALLS HAVING LAYERS BASED ON POLYAMIDE AND FATTY ACID AMIDE BLENDS - Multi-piece golf balls having a solid core of at least one layer and cover of at least one layer are provided. At least one of the layers is formed from a thermoplastic polyamide composition, comprising a blend of about 40 to about 99% by weight polyamide and about 1 to about 60% by weight fatty acid amide. Preferably, the ball has a dual core construction. A rubber composition is preferably used to form the inner core and the polyamide composition is preferably used to form the outer core layer. | 08-29-2013 |
20130281233 | GOLF BALL MATERIALS BASED ON BLENDS OF POLYAMIDE AND ACID ANHYDRIDE-MODIFIED POLYOLEFINS - Multi-piece golf balls having at least one layer made from a polyamide non-ionomeric composition are provided. The polyamide composition consist essentially of about 40 to about 99% by weight polyamide; about 1 to about 60% by weight of an acid anhydride-modified polyolefin; and about 1 to about 60% of a fatty acid additive selected from the group consisting of fatty acid salts, fatty acid amides, and mixtures thereof. The ball includes a core, preferably a dual core construction; and a cover of at least one layer. A rubber composition is preferably used to form the inner core and the polyamide composition is preferably used to form the outer core layer. The resulting ball has high resiliency along with a soft feel. | 10-24-2013 |
20130344992 | GOLF BALL COMPOSITIONS - Disclosed herein are heterogeneous golf ball compositions comprising a thermoplastic matrix and discrete particles of crosslinked polymer dispersed within the matrix. | 12-26-2013 |
20130344993 | GOLF BALL COMPOSITIONS - Disclosed herein are heterogeneous golf ball compositions comprising a thermoplastic matrix and discrete particles of crosslinked polymer dispersed within the matrix. | 12-26-2013 |
20130344994 | GOLF BALL COMPOSITIONS - Disclosed herein are heterogeneous golf ball compositions comprising discrete particles of crosslinked rubber dispersed within an acid copolymer-based matrix. | 12-26-2013 |
20140066228 | GOLF BALL COMPOSITIONS - Disclosed herein are heterogeneous golf ball compositions comprising a thermoplastic polymer matrix and discrete particles of thermoplastic polymer dispersed within the matrix. | 03-06-2014 |
20140073453 | GOLF BALL COMPOSITIONS - Disclosed herein are heterogeneous golf ball compositions comprising a thermosetting polymer matrix and discrete particles of thermoplastic polymer dispersed within the matrix. | 03-13-2014 |
20140080635 | GOLF BALL COMPOSITIONS - Disclosed herein are heterogeneous golf ball compositions comprising a matrix formed from a thermosetting polymer composition and discrete particles dispersed within the matrix. | 03-20-2014 |
20140113745 | GOLF BALLS HAVING A FOAM CENTER - Multi-layered golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The outer core layer is preferably formed from a non-foamed composition selected from thermoset compositions and thermoplastic compositions. The core layers have different hardness and specific gravity levels. The specific gravity (density) of the foam inner core is preferably less than the density of the outer core layer. | 04-24-2014 |
20140113749 | GOLF BALLS HAVING DUAL-LAYER CORES WITH METAL-CONTAINING CENTERS - Multi-piece golf balls containing a dual-core structure are provided. The core structure includes a small, heavy inner core (center) having a relatively high specific gravity and a surrounding outer core layer having a relatively low specific gravity. The core structure may have different hardness gradients. The center of the core comprises a metal material such as copper, steel, brass, tungsten, titanium, aluminum, and alloys thereof. The outer core layer is formed from a thermoset composition, such as polybutadiene rubber, or from a thermoplastic composition, such as an ethylene acid copolymer ionomer resin. | 04-24-2014 |
20140194227 | GOLF BALL HAVING A HOLLOW CENTER - Golf balls including a spherical inner core shell layer formed from a thermoset or thermoplastic composition are provided. The shell layer has an outer surface, an inner surface, and an inner diameter to define a hollow center. A thermoset or thermoplastic outer core layer is formed about the shell layer and optional intermediate layer(s) disposed between the shell layer and the outer core layer. A cover is formed about the outer core layer. | 07-10-2014 |
20140243112 | GOLF BALLS HAVING AT LEAST TWO CORE LAYERS FORMED FROM HNP COMPOSITIONS - The present invention is directed to golf balls consisting of a multi-layer core and a cover. The multi-layer core includes at least one layer formed from a relatively soft or low modulus HNP composition and at least one layer formed from a relatively hard or high modulus HNP composition. | 08-28-2014 |
20140256471 | DUAL CORE GOLF BALL HAVING NEGATIVE-HARDNESS-GRADIENT THERMOPLASTIC INNER CORE AND SHALLOW POSITIVE-HARDNESS-GRADIENT THERMOSET OUTER CORE LAYER - A golf ball includes a core including a thermoplastic inner core and a thermoset outer core layer. The inner core has a surface hardness of about 40 to 80 Shore C and a center hardness of about 30 to 75 Shore C. The center hardness is less than the surface hardness to define a positive hardness gradient. A cover is formed over the core and includes an inner cover layer and an outer cover layer. The thermoplastic inner core includes a highly-neutralized ionomer formed from a copolymer of ethylene and an α,β-unsaturated carboxylic acid, an organic acid or salt thereof, and sufficient cation source to neutralize the acid groups of the copolymer by 80% or greater. The outer core layer comprises a polybutadiene rubber and has a positive hardness gradient of less than 25 Shore C. | 09-11-2014 |
20140256472 | BLENDS OF POLYAMIDE AND ACID ANHYDRIDE-MODIFIED POLYOLEFINS FOR USE IN GOLF BALLS - Multi-layered golf balls having at least one layer made of polyamide/acid anhydride-modified polyolefin blended compositions are provided. Preferably, a transparent polyamide is used. In one version, the composition comprises a blend of polyamide, acid anhydride-modified polyolefin, and plasticizer. The golf ball includes a core having at least one layer and a cover having at least one layer. The polyamide/acid anhydride-modified polyolefin composition may be used to form any core, cover, or other layer in the golf ball. In one version, the polyamide/acid anhydride-modified polyolefin composition is used to form the outer core layer, and a rubber composition is used to form the inner core. | 09-11-2014 |
20140287851 | GOLF BALL COMPOSITIONS - Disclosed herein are heterogeneous golf ball compositions comprising a matrix formed from a thermosetting polymer composition and discrete particles of crosslinked rubber dispersed within the matrix. | 09-25-2014 |
20140302947 | COMPOSITIONS CONTAINING TRANSPARENT POLYAMIDES FOR USE IN MAKING GOLF BALLS - Multi-layered golf balls having at least one layer made of a polyamide composition containing a transparent polyamide polymer are provided. The transparent polyamide may be blended with other transparent or non-transparent polyamides. Thermoplastic polyamide elastomers such as polyether-amide block copolymers may be used. In one version, the composition comprises a blend of transparent polyamide, acid anhydride-modified polyolefin, and plasticizer. The golf ball includes a core having at least one layer and a cover having at least one layer. The polyamide composition may be used to form any core, cover, or other layer in the golf ball. In one version, the polyamide composition is used to form the inner cover layer. | 10-09-2014 |
20140323243 | POLYAMIDE COMPOSITIONS CONTAINING PLASTICIZERS FOR USE IN MAKING GOLF BALLS - Multi-layered golf balls having at least one layer made of a polyamide composition containing a polyamide polymer and plasticizer are provided. The plasticizers help reduce the glass transition temperature (Tg) of the composition and various plasticizers may be used. For example, the composition may include ethyl oleate or propylene carbonate as a plasticizer. Transparent polyamides, for example, polyether-amide block copolymers, preferably are used in the composition. The golf ball includes a core having at least one layer and a cover having at least one layer. The polyamide composition may be used to form any core, cover, or other layer in the golf ball. In one version, the polyamide composition is used to form the inner cover layer. | 10-30-2014 |
20140342850 | GOLF BALLS HAVING LOW AND HIGH MODULUS CORE LAYERS BASED ON POLYALKENAMER RUBBER - Golf balls containing a core having at least two layers made from a polyalkenamer rubber composition are provided. At least one layer is made from a relatively low modulus polyalkenamer rubber composition and at least one layer is made from a relatively high modulus polyalkenamer rubber composition. The rubber composition may further include other rubbers such as, for example, polybutadiene, polyisoprene, ethylene propylene rubber, ethylene propylene diene rubber, and styrene-butadiene rubber. The rubber composition helps improve resiliency of the core. | 11-20-2014 |
20140371003 | GOLF BALL LAYERS BASED ON POLYALKENAMER / IONOMER/ POLYAMIDE BLENDS - Multi-piece golf balls containing a core of at least one layer and cover of at least one layer are provided. At least one component is formed from a rubber composition comprising: i) about 10 to about 65 weight percent of a cycloalkene rubber having a trans-content of about 55% or greater and a melting point of 30° C. or greater; ii) about 30 to about 80 weight percent of an ionomeric resin; and 3) about 5 to about 40 weight percent of a polyamide. The rubber composition may further include other thermoplastic and thermosetting materials such as, for example, polybutadiene, polyisoprene, ethylene propylene rubber, ethylene propylene diene rubber, and styrene-butadiene rubber. The rubber composition helps improve resiliency, durability, scuff-resistance, and feel of the ball. | 12-18-2014 |
20140371005 | NEGATIVE HARDNESS GRADIENT CORES MADE OF POLYALKENAMER RUBBER FOR GOLF BALLS - Golf balls having cores with negative hardness gradients are provided. The cores are made of polyalkenamer rubber compositions that may further include other rubbers such as, for example, polybutadiene, polyisoprene, ethylene propylene rubber, ethylene propylene diene rubber, and styrene-butadiene rubber. In one version, a solid, single core having an outer surface and center is provided, wherein the outer surface has a hardness substantially the same or lower than the hardness of the center to define a zero or negative hardness gradient. Dual-cores having inner and outer cores can be made, wherein the inner core has a negative hardness gradient and the outer core has a positive or negative hardness gradient. The rubber composition helps improve resiliency of the core and provides the ball with a comfortable and soft feel. | 12-18-2014 |
20150024874 | GOLF BALLS HAVING MULTI-LAYER CORES BASED ON POLYALKENAMER COMPOSITIONS - The present invention generally relates to golf balls and more particularly to golf balls having multi-layered cores comprising a thermoset rubber center, a thermoplastic intermediate core layer, and a thermoset rubber outer core layer. A cover layer is disposed about the multi-layered core. At least one of the center, intermediate core layer, and outer core layer comprises a polyalkenamer rubber. The polyalkenamer rubber may be blended with other rubbers such as polybutadiene, polyisoprene, ethylene propylene diene, and styrene-butadiene rubbers. The polyalkenamer rubber composition helps improve resiliency of the core and provides the ball with a comfortable and soft feel. | 01-22-2015 |
20150031475 | GOLF BALLS HAVING A CORE LAYER MADE FROM PLASTICIZED THERMOPLASTIC COMPOSITIONS - Multi-layered golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a thermoplastic composition, preferably including: a) ethylene acid copolymer, b) plasticizer, and c) cation source. Preferably, a fatty acid ester such as ethyl oleate is used as the plasticizer. The outer core layer is preferably formed from a thermoset composition such as polybutadiene rubber. The core layers have different hardness levels. The core assembly preferably has a positive hardness gradient extending across the entire assembly. The core structure and resulting ball have relatively good resiliency at given compressions. | 01-29-2015 |
20150051015 | GOLF BALL COVERS MADE FROM PLASTICIZED THERMOPLASTIC MATERIALS - Multi-layered golf balls containing a two or three-layered cover assembly are provided. In one embodiment, the cover assembly includes a relatively hard inner cover and relatively soft outer cover. Alternatively, the cover assembly may include a relatively soft inner cover with a relatively hard outer cover. Three-layered covers comprising an inner cover, intermediate cover, and outer cover layer also may be prepared. Preferably, at least one of the layers is formed from a thermoplastic composition that preferably comprises: a) ethylene acid copolymer, b) plasticizer, and c) cation source. A fatty acid ester such as ethyl oleate is preferably used as the plasticizer. The cover assembly has good impact durability and helps provide the ball with relatively high resiliency at given compressions. | 02-19-2015 |
20150057104 | GOLF BALL COMPOSITIONS - Disclosed herein are heterogeneous golf ball compositions comprising discrete particles of crosslinked rubber dispersed within an acid copolymer-based matrix. Also disclosed herein are golf ball compositions comprising a silicone ionomer. | 02-26-2015 |
20150087444 | GOLF BALLS HAVING FOAM, HOLLOW, OR METAL CENTER AND PLASTICIZED THERMOPLASTIC CORE LAYER - Multi-layered golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) made from a foam or metal-containing composition, or it has a hollow shell construction, and the outer core layer is made of a thermoplastic composition. Preferably, the thermoplastic composition comprises: a) ethylene acid copolymer, b) plasticizer, and c) cation source. A fatty acid ester such as ethyl oleate is preferably used as the plasticizer. The core assembly preferably may have a positive hardness gradient extending across the entire assembly. The core structure and resulting ball have relatively good resiliency at given compressions. | 03-26-2015 |
20150105180 | Dual Core Golf Ball Having Negative-Hardness-Gradient Thermoplastic Inner Core And Steep Positive-Hardness-Gradient Thermoset Outer Core Layer - A golf ball includes a thermoplastic HNP inner core layer having a center hardness less than the surface hardness to define a positive hardness gradient. An outer core layer is disposed about the inner core and is formed from a thermoset rubber composition. The core layer has an inner surface hardness less than the outer surface hardness to define a positive hardness gradient. Inner and outer cover layers are disposed about the outer core layer. The HNP composition includes an acid copolymer of ethylene and an α,β-unsaturated carboxylic acid; a non-acid polymer comprising polyolefins, polyamides, polyesters, polyethers, polyurethanes, metallocene-catalyzed polymers, single-site catalyst polymerized polymers, ethylene propylene rubber, ethylene propylene diene rubber, styrenic block copolymer rubbers, alkyl acrylate rubbers, or functionalized derivatives thereof; an organic acid or salt thereof; and a cation source in an amount sufficient to neutralize at least about 80% of the acid groups. | 04-16-2015 |
20150111667 | DUAL CORE GOLF BALL HAVING NEGATIVE-HARDNESS-GRADIENT THERMOPLASTIC INNER CORE AND SHALLOW POSITIVE-HARDNESS-GRADIENT THERMOSET OUTER CORE LAYER - A golf ball includes a thermoplastic inner core and a thermoset outer core layer. The inner core has a surface hardness of about 40 to 80 Shore C and a center hardness of about 30 to 75 Shore C, the center hardness being less than the surface hardness to define a first positive hardness gradient. The cover includes an inner cover layer and an outer cover layer. The thermoplastic inner core comprises a highly-neutralized ionomer including an acid copolymer of ethylene and an α,β-unsaturated carboxylic acid; a plasticizer; an organic acid or salt thereof; and a cation source present in an amount sufficient to neutralize from about 70 to 100% of the acid groups present. The outer core layer includes a polybutadiene rubber and has a surface hardness greater than an interior hardness to define a positive hardness gradient of less than about 25 Shore C | 04-23-2015 |
20150111668 | GOLF BALL COVERS MADE FROM PLASTICIZED THERMOPLASTIC MATERIALS - Multi-layered golf balls containing a two or three-layered cover assembly are provided. In one embodiment, the cover assembly includes a relatively hard inner cover and relatively soft outer cover. Alternatively, the cover assembly may include a relatively soft inner cover with a relatively hard outer cover. Three-layered covers comprising an inner cover, intermediate cover, and outer cover layer also may be prepared. Preferably, at least one of the layers is formed from a thermoplastic composition that preferably comprises: a) ethylene acid copolymer, b) plasticizer, and c) cation source. A fatty acid ester such as ethyl oleate is preferably used as the plasticizer. The cover assembly has good impact durability and helps provide the ball with relatively high resiliency at given compressions. | 04-23-2015 |
20150111669 | Three-Cover-Layer Golf Ball Comprising Intermediate Layer Including A Plasticized Polyester Composition - A golf ball includes a core and a three-layer cover disposed adjacent the core. The three-layer cover includes an inner cover, an intermediate cover, and an outer cover. The inner cover includes a non-ionomeric E/Y copolymer where E is an olefin and Y is a carboxylic acid. The inner cover has a hardness of about 45 to 68 Shore D. The outer cover includes a castable thermoset polyurethane and has a hardness of about 40 to 62 Shore D. The intermediate cover layer, disposed between the inner and outer cover layers, is formed from a polyester composition including about 40 wt % to about 99 wt % of a polyester thermoplastic elastomer and about 1 wt % to about 60 wt % of a plasticizer. | 04-23-2015 |
20150119169 | GOLF BALL COMPOSITIONS - Disclosed herein are multilayer golf balls having a layer with a higher hardness and a lower flexural modulus than another layer. | 04-30-2015 |
20150126306 | COMPOSITIONS INCORPORATING ETHYLENE ACID (E/X) IONOMERS AND NON-IONOMERIC SOFTENING POLYMERS FOR GOLF BALL CONSTRUCTIONS AND METHODS RELATING THERETO - A golf ball comprising a core and a cover disposed about the core; wherein at least one of the core and the cover comprises a tri-blend composition of the non-E/X/Y type (TBC) formed from a blend of an ethylene acid (E/X) ionomer, a non-ionomeric softening copolymer (NISC) and a low viscosity component (LVC). A portion of the TBC comprising the ethylene acid (E/X) ionomer and the NISC has a Melt Flow Index MF | 05-07-2015 |
20150141167 | Dual Core Golf Ball Having Negative-Hardness-Gradient Thermoplastic Inner Core And Steep Positive-Hardness-Gradient Thermoset Outer Core Layer - A golf ball comprising an inner core layer including a thermoplastic material and having a geometric center hardness less than the surface hardness to define a positive hardness gradient. An outer core layer is formed over the inner core. The outer core includes a thermoset rubber composition and has an inner surface hardness less than an outer surface hardness to define a positive hardness gradient. A cover layer is formed over the outer core layer. The cover layer includes an inner cover layer and an outer cover layer. The thermoplastic material of the core includes an acid copolymer of ethylene and an α,β-unsaturated carboxylic acid, optionally a softening monomer comprising alkyl acrylate or methacrylate; a plasticizer; an organic acid or salt thereof; and a cation source present in an amount sufficient to neutralize from about 70 to about 100% of all acid groups present in the material. | 05-21-2015 |
20150151165 | GOLF BALLS HAVING AT LEAST ONE LAYER FORMED FROM A PLASTICIZED ACID COPOLYMER COMPOSITION - The present invention is directed to multi-layer golf balls including a layer formed from a relatively soft or low modulus HNP composition and a layer formed from a relatively hard or high modulus HNP composition. Optionally, the soft (or low modulus) HNP composition and/or the hard (or high modulus) HNP composition is plasticized or is replaced with a different plasticized acid copolymer composition. | 06-04-2015 |
20150151166 | Low Compression Golf Balls Having Layers Made From Plasticized Thermoplastic Materials - Low compression, multi-piece golf balls containing a solid core and two or three-layered cover assemblies are provided. Preferably, the ball has a compression of less than 60 and more preferably less than 50. At least one cover layer is made of a plasticized thermoplastic composition. For example, two-layered and three-layered covers may be made. Preferably, the plasticized thermoplastic composition comprises: a) ethylene acid copolymer, b) plasticizer, and c) cation source. A fatty acid ester such as ethyl oleate or butyl oleate is preferably used as the plasticizer. The cover assembly has good impact durability and helps provide the ball with relatively high resiliency at given compressions. | 06-04-2015 |
20150174454 | Low Compression Golf Balls Containing Cores Made Of Plasticized Thermoplastic Compositions - Low compression multi-piece golf balls having a solid core comprising at least one layer made of a plasticized thermoplastic composition are provided. Preferably, the ball has a compression of less than 60 and more preferably less than 50. The ball includes a cover in addition to the core sub-assembly. For example, two-piece and three-piece golf balls may be made. The plasticized thermoplastic composition preferably comprises: a) ethylene acid copolymer, b) plasticizer, and c) cation source. Preferably, a fatty acid ester such as butyl oleate is used as the plasticizer. In two-layered core constructions, the outer core layer is preferably formed from a thermoset composition such as polybutadiene rubber. The core layers may have different hardness levels. The core structure and resulting ball have relatively good resiliency at given compressions. | 06-25-2015 |
20150182807 | GOLF BALLS CONTAINING LAYERS MADE FROM TRANSPARENT POLYAMIDE AND PLASTICIZER COMPOSITIONS - Multi-layered golf balls having at least one layer made of a polyamide composition containing a transparent polyamide polymer and fatty acid salt are provided. In one preferred version, the polyamide composition consists essentially of a blend of 40 to 99% by weight transparent polyamide and 1 to 60% by weight fatty acid salt. The golf ball includes a core having at least one layer and a cover having at least one layer. The polyamide composition may be used to form any core, cover, or other layer in the golf ball. The polyamide compositions have a good combination of properties including Coefficient of Restitution (COR) and compression. | 07-02-2015 |
20150190680 | GOLF BALLS HAVING LAYERS BASED ON POLYAMIDE, IONOMER, AND FATTY ACID AMIDE BLENDS - Multi-piece golf balls having a solid core of at least one layer and cover of at least one layer are provided. At least one of the layers is formed from a thermoplastic polyamide composition, comprising a blend of polyamide, ethylene acid copolymer ionomer, fatty acid amide, and plasticizer. A polyamide having a transparent optical nature is preferably used in the composition. A fatty acid ester such as dipropylene glycol dibenzoate and propylene carbonate is preferably used as the plasticizer. The ball may contain an inner core and surrounding outer core layer. A rubber composition is preferably used to form the inner core and the polyamide-based composition is preferably used to form the outer core layer. | 07-09-2015 |
20150190681 | Golf Balls Having Layers Based On Polyamide And Fatty Acid Amide Blends - Multi-piece golf balls having a solid core of at least one layer and cover of at least one layer are provided. At least one of the layers is formed from a thermoplastic polyamide composition, comprising a blend of about 40 to about 99% by weight polyamide and about 1 to about 60% by weight fatty acid amide. Preferably, the ball has a dual core construction. A rubber composition is preferably used to form the outer core layer and the polyamide composition is preferably used to form the inner core. The flex modulus of the polyamide composition is preferably at least 15% greater than the flex modulus of the rubber composition. | 07-09-2015 |
20150238823 | MULTI-LAYER CORE GOLF BALL - A golf ball comprising a core and a cover, wherein the core consists of: a solid inner core layer formed from a plasticized non-acid polymer composition PC | 08-27-2015 |