Class / Patent application number | Description | Number of patent applications / Date published |
525444000 | Mixed with polycarboxylic acid or derivative and polyhydroxy reactant or polymer thereof | 29 |
20090012243 | BIOBENEFICIAL POLYAMIDE/POLYETHYLENE GLYCOL POLYMERS FOR USE WITH DRUG ELUTING STENTS - This disclosure covers polymers, which are useful in medical device applications. The polymers comprise at least two different blocks, at least one L1 block with the formula | 01-08-2009 |
20090312501 | PROCESSES FOR PREPARING SILICONE-MODIFIED POLYESTER RESINS - Provided herein are processes for making a silicone-modified polyester resins. According to some embodiments of the invention, processes include reactively extruding a dry mixture including a solid polyester resin and a solid silicone resin. | 12-17-2009 |
20100105841 | POLY(TRIMETHYLENE TEREPHTHALATE)/POLY(ALPHA-HYDROXY ACID) BICONSTITUENT FILAMENTS - This invention relates to poly(trimethylene terephthalate)/poly(alpha-hydroxy acid) biconstituent filaments, methods for making the same and end uses thereof. | 04-29-2010 |
20110237759 | HEAT-SHRINKABLE POLYESTER FILM AND PREPARATION METHOD THEREOF - A heat-shrinkable polyester film having a thermal shrinkage ratio of 15% or more in the longitudinal direction when treated at 100° C. for 10 seconds, a tensile strength at rupture in the longitudinal direction of 7 kgf/mm | 09-29-2011 |
20120157636 | Miscible Polyester Blends Utilizing Recycled Polyesters - Polyester blends containing recycled, post-consumer polyethylene terephthalate are described. The blends have the advantage of being miscible (visually clear) and remaining clear after post-extrusion heat histories. | 06-21-2012 |
20130116387 | FLUORINATED BLOCK COPOLYESTERS - Disclosed are block copolyesters comprising blocks of fluoroether functionalized aromatic polyester and blocks of unmodified aromatic polyester, the block copolyesters having a blockiness index, B, in the range of 0.25 to 1.0. The block copolymers incorporated into blends with unmodified aromatic polyester impart oil and soil resistance to shaped articles prepared from the blends. | 05-09-2013 |
20130116388 | PROCESS FOR PREPARING FLUORINATED BLOCK COPOLYESTERS - Disclosed is a polycondensation process for preparing block copolyesters comprising blocks of fluoroether functionalized aromatic polyester and blocks of unmodified polyester. According to the process, a non-fluorinated poly(alkylene arylate) first homopolymer and a fluoroether functionalized poly(alkylene arylate) second homopolymer are combined to form a reaction mixture; the reaction mixture is heated to a temperature above the melting temperatures of each said homopolymer to prepare a molten reaction mixture; and the reaction is continued until the desired molecular weight is achieved. The block copolymers incorporated into blends with unmodified aromatic polyester impart oil and soil resistance to shaped articles prepared from the blends. | 05-09-2013 |
20130116389 | POLYMER BLEND COMPRISING FLUORINATED BLOCK COPOLYESTER - Disclosed are polymer blends prepared by melt blending a fluorinated block copolyester with a non-fluorinated polyester wherein the fluorinated block copolyester comprises blocks of fluoroether modified aromatic polyester and blocks of unmodified polyester. Suitable block copolyesters have a blockiness index, B, in the range of 0.25 to 1.0. Shaped articles prepared from the blends exhibit oil and soil resistance with high fluorine efficiency. | 05-09-2013 |
20130116390 | SHAPED ARTICLES COMPRISING FLUORINATED BLOCK COPOLYESTERS - Disclosed are shaped articles fabricated from polymer blends comprising a fluorinated block copolyester and a non-fluorinated polyester wherein the fluorinated block copolyester comprises blocks of fluoroether modified aromatic polyester and blocks of unmodified polyester. Suitable block copolyesters have a blockiness index, B, in the range of 0.25 to 1.0. Shaped articles that can be made from the copolyesters include films, fibers, and molded parts. | 05-09-2013 |
20130150532 | POLYESTER FILMS WITH LOW THERMAL EXPANSION AND METHODS FOR MANUFACTURING THE SAME - Disclosed is a method for manufacturing a polyester film with low thermal expansion. | 06-13-2013 |
20130217836 | BIODEGRADABLE POLYESTER AND WRAPPING FILMS FOR PACKAGING PRODUCED THEREWITH - This invention relates to a biodegradable polyester which is particularly suitable for use for the manufacture of wrapping films for packaging, comprising units deriving from at least one diacid and at least one diol, characterised by a high static friction coefficient in comparison with conventional biodegradable polyesters. A further object of this invention is a wrapping film comprising the said biodegradable polyester. | 08-22-2013 |
20130253145 | POLYESTER RESIN COMPOSITION AND MOLDED BODY OF SAME - The present invention provides a polyester resin composition having improved physical properties and a molded body thereof. | 09-26-2013 |
20130289222 | POLYMER MANUFACTURING PROCESS - Embodiments relate to a relatively rapid transesterification process including transesterifying condensation polymers such as polyethylene terephthalate (PET), or other polyesters used in commerce, with a modifying monomer mix containing other monomers to manufacture new polymers containing the pre-condensed moieties. The process preferably only involves transesterification as a reaction mechanism. The process preferably produces a rapid buildup of molecular weight and/or polymer uniformity by the high temperature transesterification of the condensation polymer with the modifying monomer mixture. The process can be performed in any suitable vessel including an extrusion line, and it has the advantage of greatly reduced cycle times over currently used condensation polymer utilization processes such as the recycling of PET into other materials. | 10-31-2013 |
20140088269 | NOVEL OLIGOMERS, METHOD FOR PREPARATION THEREOF AND USE THEREOF FOR FLUIDIFYING AND/OR IMPROVING THE STABILITY OF POLYMERIC COMPOSITIONS - The invention relates to oligomers (O2) having a terminal group comprising at least one epoxide function, to their preparation method, to their uses as an additive in a polymeric composition for fluidifying and/or improving stability of said composition. | 03-27-2014 |
20140135456 | ARTICLES MADE FROM CROSSLINKED COPOLYMERS COMPRISING FLUOROVINYLETHER FUNCTIONALIZED AROMATIC MOIETIES - Disclosed are articles made from crosslinked copolymers comprising crosslinks between olefinically unsaturated positions in the backbone of one type of repeat unit and a second repeat unit that is a fluorovinylether functionalized aromatic repeat unit. The articles have enhanced surface fluorine that imparts improved soil, water, and oil resistance to the articles. | 05-15-2014 |
20140213740 | RECYCLED POLYETHYLENE TEREPHTHALATE COMPOSITIONS, FIBERS AND ARTICLES PRODUCED THEREFROM, AND METHODS FOR PRODUCING SAME - In one aspect, the invention relates to recycled polyethylene terephthalate compositions, fibers and articles produced therefrom, and methods for producing same. In a further aspect, the invention relates to homogenized post-consumer polyethylene terephthalate. In a further aspect, the invention relates to extruded polymer compositions, polymer mixtures, fibers, and/or Bulked Continuous Filament fibers comprising post-consumer polyethylene terephthalate. In a further aspect, the invention relates to processes for preparing recycled polyethylene terephthalate compositions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 07-31-2014 |
20140243481 | Manufacturing Process for Liquid Crystalline Polymer - The properties of a liquid crystalline polymer (LCP) containing ester linkages and made in the presence of an excess of diol are improved by treating the LCP with a dicarboxylic acid at elevated temperature. The resulting LCPs are useful as molding resins and for films. | 08-28-2014 |
20150045518 | BIODEGRADABLE MATERIAL AND METHOD OF PRODUCING BIODEGRADABLE MATERIAL - A biodegradable material is a chemically cross-linked product between a multivalent compound A having 3 or more functional groups X such as hydroxyl group; and a multivalent compound B having 3 or more functional groups Y such as carboxyl group wherein chemical cross-linkage(s) is/are formed by condensation reaction of the functional group(s) X and the functional group(s) Y; wherein (y+z)/(x+z) is 1.2 to 4.0 when MA>MB, and (x+z)/(y+z) is 1.2 to 4.0 when MA02-12-2015 | |
20150051355 | BIODEGRADABLE MATERIAL AND METHOD OF PRODUCING BIODEGRADABLE MATERIAL - A biodegradable material has an improved biodegradability, an enhanced shape recovery rate after deformation of the material and an improved flexibility. The biodegradable material is a chemically cross-linked product of: a multivalent compound A having 3 or more functional groups X such as hydroxyl group; a multivalent compound B having 3 or more functional groups Y such as carboxyl group; and a compound C having a structure originated from a hydroxycarboxylic acid whose homopolymer formed by homopolymerization has a glass transition point of −40° C. or lower. | 02-19-2015 |
20150112030 | Recycled Polyethylene Terephthalate Compositions, Fibers and Articles Produced Therefrom, and Methods For Producing Same - In one aspect, the invention relates to recycled polyethylene terephthalate compositions, fibers and articles produced therefrom, and methods for producing same. In a further aspect, the invention relates to homogenized post-consumer polyethylene terephthalate. In a further aspect, the invention relates to extruded polymer compositions, polymer mixtures, fibers, and/or Bulked Continuous Filament fibers comprising post-consumer polyethylene terephthalate. In a further aspect, the invention relates to processes for preparing recycled polyethylene terephthalate compositions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 04-23-2015 |
20150141584 | PROCESS FOR THE PRODUCTION OF POLY(ETHYLENE 2,5-FURANDICARBOXYLATE) FROM 2,5-FURANDICARBOXYLIC ACID AND USE THEREOF, POLYESTER COMPOUND AND BLENDS THEREOF - The present invention generally concerns polyester compounds derived from renewable monomer materials and manufacturing process thereof. The invention further pertains to polyester blends presenting improved maximum elongation characteristic. | 05-21-2015 |
20150299406 | BIAXIALLY STRETCHED POLYESTER FILM AND METHOD FOR PRODUCING SAME - It is provided that a biaxially stretched polyester film suitable for uses for which nylon films and other flexible films have conventionally been used and a method for producing the film. A biaxially stretched polyester film made of a polyester resin composition (A) containing not less than 60 mass % of polybutylene terephthalate and having yield stress in a MD of not more than 70 MPa, yield stress in a TD of not more than 70 MPa, rupture strength in the MD of not less than 160 MPa, rupture strength in the TD of not less than 160 MPa, and rupture elongation in the MD and TD of not less than 100%. | 10-22-2015 |
20150307704 | FDCA-BASED POLYESTERS - A polymer comprising reaction product of (a) one or more diacid or diester thereof, and (b) one or more polyol, wherein component (a) comprises 5 to 100 mole %, based on the total amount of component (a), of 2,5-furan dicarboxylic acid (FDCA), or one or more C1 to C10 alkyl diester thereof, and component (b) comprises a mixture of 1,3-cyclohexanedimethanol and 1,4-cyclohexanedimethanol, or 2,2,4,4-tetramethyl-1,3-cyclobutanediol, or combinations thereof. | 10-29-2015 |
20150337080 | FDCA-BASED POLYESTERS MADE WITH ISOSORBIDE - A polymer comprising reaction product of (a) one or more diacid, diester thereof, glycolide, and (b) one or more polyol, wherein component (a) comprises (i) 2,6-naphthalene dicarboxylic acid, C | 11-26-2015 |
20160002394 | GLYCOLIDE-BASED POLYESTERS - A polymer comprises reaction product of (a) one or more diacid, diester thereof, glycolide, and (b) one or more polyol, wherein component (a) comprises glycolide or combinations thereof, and component (b) comprises one or more polyol comprising a mixture of 1,3-cyclohexanedimethanol and 1,4-cyclohexanedimethanol, or 2,2,4,4-tetramethyl-1,3-cyclobutanediol, or combinations thereof. | 01-07-2016 |
20160122485 | HEAT SHRINKABLE FILM COMPOSITION COMPRISING POLYETHYLENETEREPHTALATE RESIN AND POLYESTER BASED COPOLYMER, AND HEAT SHRINKABLE FILM - There is provided a composition for forming a heat shrinkable film capable of providing a heat shrinkable film capable of having an excellent shrinkage rate and being heat-shrunk at a low temperature. The composition for forming a heat shrinkable film includes a polyethylene terephthalate (PET) resin having an inherent viscosity of 0.50 to 1.2 dl/g; and a polyester based copolymer including a dicarboxylic acid-derived residue including a residue derived from an aromatic dicarboxylic acid and a diol-derived residue including a residue derived from 4-(hydroxymethyl)cyclohexylmethyl 4′-(hydroxymethyl)cyclohexane carboxylate represented by the following Chemical Formula 1 and a residue derived from 4,4-(oxybis(methylene)bis)cyclohexane methanol represented by the following Chemical Formula 2. | 05-05-2016 |
20160130440 | RESIN COMPOSITION FOR WIRE COVERING MATERIAL, INSULATED WIRE, AND WIRING HARNESS - A resin composition for a wire covering material that is excellent in high-temperature oil resistance, wear resistance, and elongation, and an insulated wire and a wiring harness in which the resin composition for a wire covering material is used as the covering material contains a (A) polysulfone-based resin, a (B) aromatic polyester resin, a (C) polyester elastomer, and a (D) compound having a reactive functional group that reacts with one of a carboxyl group and a hydroxyl group, wherein the (D) component reacts with the (B) component or the (C) component to form a bond. | 05-12-2016 |
20160168373 | POLYESTER RESIN COMPOSITION | 06-16-2016 |
20170233525 | A PROCESS FOR PREPARATION OF MODIFIED POLYETHYLENE TERPHTHALATE WITH IMPROVED BARRIER, MECHANICAL AND THERMAL PROPERTIES AND PRODUCTS THEREOF | 08-17-2017 |