| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 521097000 | Ingredient contains a carbon atom double-bonded to oxygen, e.g., carbon dioxide, carboxylic acid, etc. | 25 |
| 20080281010 | Fine cell foamed polyolefin film or sheet - Foamed film compositions using chemical blowing agents and produced by continuous blown film extrusion or cast film extrusion of polymer foams. The composition has small cell size and is suitable for the production of thin film articles. The articles may be monolayer or multilayered structures. | 11-13-2008 |
| 20090209670 | POLYOLEFIN RESIN FOAM AND THE PROCESS FOR PRODUCING THE SAME - An object of the invention is to provide a polyolefin resin foam which is excellent in flexibility, cushioning property and processability, especially excellent in cutting processability. The present invention relates to a polyolefin resin foam obtained by foaming a polyolefin resin composition using carbon dioxide in a supercritical state, wherein the polyolefin resin composition contains at least: (1) a thermoplastic elastomer composition obtained by subjecting to a dynamically heat treatment a mixture of (A) a rubber, and (B) (B-1) an α-olefin crystalline thermoplastic resin and/or (B-2) an α-olefin amorphous thermoplastic resin, each having a melt tension of less than 3.0 cN at a temperature of 210° C. and at a take-up speed of 2.0 m/min, in the presence of (C) a crosslinking agent; (2) a polyolefin resin; and (3) a nucleant agent having an average particle diameter of from 0.1 μm to less than 2.0 μm. The polyolefin resin foam has a density, for example, of 0.2 g/cm | 08-20-2009 |
| 20100298453 | BOARD STOCK FOAM HAVING BIOBASED CONTENT - Embodiments of the present disclosure can include polyurethane or polyisocyanurate board stock foam having a biobased content of 7% or greater as measured by ASTM D6866. In addition, embodiments of the present disclosure relate to the use of renewable material for producing aromatic polyesters polyols and/or resins to generate foam products having biobased content. | 11-25-2010 |
| 20110184081 | FOAMABLE COMPOSITION FOR POLYURETHANE FOAM AND POLYURETHANE FOAM - A foamable composition for polyurethane foam is provided which advantageously improves heat insulating properties, a long-term stability, and a dimensional stability of a polyurethane foam that is produced by using carbon dioxide as a blowing agent. Further, a polyurethane foam which has excellent heat insulating properties is provided by foaming and curing the foamable composition for polyurethane. In the production of the polyurethane foam in which carbon dioxide is used in the foaming, a polyol component is used which includes a phenolic resin polyol that is obtained by adding at least one alkylene oxide to a phenolic novolak resin, and an aromatic amine polyol that is obtained by adding at least one alkylene oxide to an aromatic diamine such that the total amount thereof is 60% or more by mass, based on the total polyol component. | 07-28-2011 |
| 20110201705 | FOAMABLE COMPOSITION FOR POLYURETHANE FOAM AND POLYURETHANE FOAM - A foamable composition for polyurethane foam is provided which advantageously improves heat insulating properties, a long-term stability, and a dimensional stability, of a polyurethane foam that is produced by using carbon dioxide as a blowing agent. Further, a polyurethane foam which has excellent heat insulating properties is provided by foaming and curing the foamable composition for polyurethane. In the production of the polyurethane foam in which carbon dioxide is used in the foaming, a polyol component is used which includes a phenolic resin polyol that is obtained by adding at least one alkylene oxide to a phenolic novolak resin, and an aromatic amine polyol that is obtained by adding at least one alkylene oxide to an aromatic diamine such that the total amount thereof is 60% or more by mass, based on the total polyol component. | 08-18-2011 |
| 20120004335 | (METH)ACRYLOYL PRESSURE-SENSITIVE FOAM ADHESIVES - This disclosure provides (meth)acryloyl pressure-sensitive adhesive foams and foam articles having one or more of the following properties: small cells, uniform cell sizes, pressure sensitive adhesive compositions, compliance to irregular substrates and vibration damping, and shock absorbing properties. | 01-05-2012 |
| 20120129963 | SYNTHESIS OF NOVEL MULTIFUNCTIONAL CARDANOL'S DERIVATIVES AND THEIR USE AS HALOGEN FREE POLYURETHANIC FOAMS PRECURSORS | 05-24-2012 |
| 20120225961 | BIODEGRADABLE FOAMS WITH IMPROVED DIMENSIONAL STABILITY - The invention provides a blowing agent composition and method of making the same comprising mixing carbon dioxide and a co-blowing agent or a blowing agent selected from the group consisting of hydrofluorocarbons, hydrochlorofluorocarbons, hydrofluoroethers, hydrofluoroolefms, hydrochlorofluoroolefms, hydrobromofluoroolefms, hydrofluoroketones, hydrochloroolefins, fluoroiodocarbons, alkyl esters, water, and mixtures thereof. Also provided is a method of making a low density foam using the blowing agent composition, and a biodegradable or biorenewable foam formed from a foamable biodegradable or biorenewable resin composition and the blowing agent composition. | 09-06-2012 |
| 20130116354 | HIGH PERFORMANCE FOAM AND COMPOSITE FOAM STRUCTURES AND PROCESSES FOR MAKING SAME - Methods are disclosed for making liquid crystalline polymer (LCP) foams and foam structures of various shapes and forms. LCP foams of the invention have a high compression strength suitable for high performance energy-absorption and energy-impact applications and devices. | 05-09-2013 |
| 20130190412 | FOAMABLE COMPOSITION FOR POLYURETHANE FOAM AND POLYURETHANE FOAM - A foamable composition for polyurethane foam is provided which advantageously improves heat insulating properties, a long-term stability, and a dimensional stability of a polyurethane foam that is produced by using carbon dioxide as a blowing agent. Further, a polyurethane foam which has excellent heat insulating properties is provided by foaming and curing the foamable composition for polyurethane. In the production of the polyurethane foam in which carbon dioxide is used in the foaming, a polyol component is used which includes a phenolic resin polyol that is obtained by adding at least one alkylene oxide to a phenolic novolak resin, and an aromatic amine polyol that is obtained by adding at least one alkylene oxide to an aromatic diamine such that the total amount thereof is 60% or more by mass, based on the total polyol component. | 07-25-2013 |
| 20130281557 | BLOWING AGENT COMPOSITIONS OF HYDROFLUOROOLEFINS AND HYDROCHLOROFLUOROOLEFINS - The present invention relates to blowing agent compositions comprising (1) at least one hydrofluoroolefin (HFO) and (2) at least one hydrochlorofluoroolefin (HCFO) used in the preparation of foamable thermoplastic compositions. The HFOs of component (1) include, but are not limited too, 3,3,3-trifluoropropene (HFO-1243zf), 1,2,3,3,3-pentafluoropropene (HFO-1225ye), cis- and/or trans-1,3,3,3-tetrafluoropropene (HFO-1234ze), and 2,3,3,3-tetrafluoropropene (HFO 1234yf), and mixtures thereof. The HCFOs of component (2) include, but are not limited to, 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) and mixtures thereof. The blowing agent compositions are useful in the production of low density insulating foams with improved k-factor. | 10-24-2013 |
| 20130310473 | DINT IN EXPANDED PVC PASTES - The invention relates to a foamable composition containing at least one polymer selected from the group consisting of polyvinyl chloride, polyvinylidene chloride, polyvinyl butyrate, polyalkyl methacrylate and copolymers thereof, a foam former and/or foam stabilizer and diisononyl terephthalate as plasticizer, wherein the average degree of branching of the isononyl groups in the ester is in the range from 1.15 to 2.5. | 11-21-2013 |
| 20130338247 | MULTIFUNCTIONAL POROUS ARAMIDS (AEROGELS) AND FABRICATION THEREOF - The present disclosure provides a series of new and improved porous polyamide aerogels derived from multifunctional aromatics that combine the high mechanical strength of aramids with the pore structure of aerogels. The polyamide aerogels have a hyperbranched structure, relatively low density, high porosity and are derived from functionalized monomers having more aromatic groups than functional groups. The present disclosure also provides a new method for producing the porous polyamide aerogels by polymerizing an aromatic multifunctional carboxylic acid with an isocyanate at moderate reaction condition followed by drying with liquid CO | 12-19-2013 |
| 20140187658 | Reduced-VOC and Non-VOC Blowing Agents for Making Expanded and Extruded Thermoplastic Foams - Process for producing a thermoplastic polymer foam article includes preparing an expandable polymeric formulation comprising a thermoplastic polymer and a blowing agent blend, forming the formulation into an expandable bead, and expanding the expandable bead to form a thermoplastic polymer foam article. The blowing agent blend includes methyl formate, hydrocarbon, and either carbon dioxide or 1,1,1,2-tetrafluoroethane (HFC-134a). The blowing agent blend has a higher effective volatility than that of methyl formate alone. A thermoplastic polymer foam article prepared by a process is also provided. | 07-03-2014 |
| 20140288200 | HIGH COMPRESSIVE STRENGTH EXTRUDED POLYMERIC FOAM - Prepare an extruded polymeric foam using a foamable polymer composition that contains a polymer composition with styrene-acrylonitrile copolymer, a blowing agent composition with only 1,1,1,2-tetrafluoroethane (74-78 weight-percent), carbon dioxide (13-16 weight-percent) and water (7-9 weight-percent) where the concentrations are relative to total blowing agent weight, and less than 0.5 weight-percent filler based on foamable polymer composition weight by using an extrusion foaming process with a foaming temperature of 120-125 degrees Celsius to produce a polymeric foam having a density of 29-37 kilograms per cubic meter and a vertical compressive strength in kilopascals having a magnitude exceeding 520 less than the product of the magnitude of the foam density in kilograms per cubic meter and 25.9. | 09-25-2014 |
| 20150011665 | Foamed Articles Exhibiting Improved Thermal Properties - Cellular and multi-cellular polystyrene and polystyrenic foams and methods of forming such foams are disclosed. The foams include an expanded polystyrene formed from expansion of an expandable polystyrene including an adsorbent comprising alumina, wherein the multi-cellular polystyrene exhibits a multi-cellular size distribution. The process for forming a foamed article includes providing a formed styrenic polymer and contacting the formed styrenic polymer with a first blowing agent and an adsorbent comprising alumina to form extrusion polystyrene. The process further includes forming the extrusion styrenic polymer into an expanded styrenic polymer and forming the expanded styrenic polymer into a foamed article. | 01-08-2015 |
| 20150057383 | Polar Polystyrene Copolymers for Enhanced Foaming - A method of making a foamable polystyrene composition includes combining a styrenic monomer and a co-monomer containing a polar functional group to obtain a mixture, subjecting the mixture to polymerization to obtain a styrenic co-polymer, and combining the styrenic co-polymer with a blowing agent in a foaming process to obtain foamed articles. | 02-26-2015 |
| 20150119482 | METHOD TO ENHANCE CELL NUCLEATION DENSITY IN SOLID-STATE FOAMS - A method for creating a foam from a solid thermoplastic material is disclosed. The method includes heating a solid, noncellular thermoplastic material to a temperature greater than the material's glass transition temperature, and below the melting temperature, and then allowing the material to cool; after the material has cooled, saturating the cooled thermoplastic material with a non-reacting gas to provide a gas-saturated material; and heating the gas-saturated material below the melting temperature of the material so that the material remains a solid, and causes nucleation of bubbles, and creation of cells in the material. | 04-30-2015 |
| 20150291786 | POLYVINYL ALCOHOL FIBERS AND FILMS WITH MINERAL FILLERS AND SMALL CELLULOSE PARTICLES - The present invention is directed to an article of manufacture, which can be a fiber and or a film. In one aspect, the fiber or the film comprises a polyvinyl alcohol (PVOH) and an inorganic filler comprising particles having an average diameter of less than about 20 micrometers. The PVOH has a degree of hydrolysis of greater than about 95% and is present in a range between about 20 wt. % and about 99 wt. % based on the total fiber weight. Methods of making the fibers and films are also disclosed. | 10-15-2015 |
| 20150315349 | POLYMER FOAMS - A polymer composition that includes a polyolefin having a molecular weight distribution of greater than or equal to 8 as measured by GPC and a metallic acrylate salt. | 11-05-2015 |
| 20150344657 | SOL-GEL TEMPLATES FORMED WITH INFUSION OF GAS BUBBLES - The sol-gel templating with the infusion of gas bubbles provides a process for synthesizing polymeric or gel materials while being templated with slow bubbling of various gases into the reacting media upon the polymerization or gelation stage. The process uses a source of gas, which is delivered at a desired rate and pressure via at least one inert tube directly into the reacting solution while the gel is being formed by sol-gel process. The tube(s) have a diameter selected to produce bubbles that result in the desired pore size and the number and placement of the tubes is selected to produce the desired pore structure and surface area in the gel template. The gel may be any gel capable of being formed by sol-gel process. The gas may be selected from carbon dioxide, methane, nitrogen, helium, argon, oxygen, hydrogen, propane, ethane, propylene, ethylene, air, and n-butane and other inert gases. | 12-03-2015 |
| 20150361239 | LOW TEMPERATURE PROCESS FOR INTEGRATING A POLYMERIC FOAM WITH A POLYMERIC BODY - A low temperature process which comprises several steps to integrate polymeric foams with at least one polymeric body in order to obtain a final body with improved properties is provided; the process being performed at a low temperature in order to avoid deformations in the polymeric body which compromise the functionality and other properties of the final body. The process comprises the steps of selecting the materials involved to guarantee the adhesion between them, the processability, their use and/or recycling, among other properties; impregnating the polymeric material to be foamed with a gas; generating the foam; and integrating the foam with the at least one polymeric body. | 12-17-2015 |
| 20160075844 | VOIDED PLASTICS FILM - A formulation for making voided plastics film including a polyolefin, a filler and a voiding agent. The voiding agent is a glycerol ester of fumaric rosin or a pentaerythritol ester of fumaric rosin. | 03-17-2016 |
| 20160122494 | Foamed Plastic Material For Making Automobile Interior Parts And Manufacturing Method Thereof - Disclosed is a foamed plastic material, particularly a foamed plastic material for making automobile interior parts, and a manufacturing method of the foamed plastic material. The foamed plastic material can be used in mass production by means of known injection molding processes and an automobile interior part manufactured with such a material shows a noble quality and a soft tactile impression similar to a manual surfacing material. | 05-05-2016 |
| 20160137806 | SOLID-STATE THERMOPLASTIC NANOFOAMS - Disclosed is a solid state foaming method for the creation of nanofoams (about or less than 100 nm) by saturating thermoplastic polymers with liquid carbon dioxide, optionally, at low saturation temperatures of below room temperature and lower. | 05-19-2016 |
