Patent application number | Description | Published |
20080200587 | PRESSURE-SENSITIVE ADHESIVE CONTAINING ACICULAR SILICA PARTICLES CROSSLINKED WITH POLYFUNCTIONAL AZIRIDINES - An adhesive composition comprising an emulsion polymer which comprises a (meth)acrylate copolymer, and acicular silica particles, crosslinked by a polyfunctional aziridine crosslinking agent is described. | 08-21-2008 |
20080213584 | 2-OCTYL (METH)ACRYLATE ADHESIVE COMPOSITION - A pressure sensitive adhesive composition comprising a 2-octyl (meth)acrylate/(meth)acrylic acid copolymer is described. The adhesive composition may be derived from renewable resources and provides good peel, shear and high temperature stability. | 09-04-2008 |
20080319122 | PRESSURE-SENSITIVE ADHESIVE CONTAINING AZIRIDINYL SILANES - An adhesive composition comprising an emulsion polymer which comprises a (meth)acrylate copolymer, and aziridinyl silane and an optional silica particle component is described. The addition of the aziridinyl silane results in a significant increase in the shear properties, particularly at elevated temperatures. | 12-25-2008 |
20090032989 | HARDENABLE SELF-SUPPORTING STRUCTURES AND METHODS - Compositions, particularly for forming dental products, having a hardenable self-supporting structure with sufficient malleability to be subsequently customized into a second shape and then hardened, and methods. | 02-05-2009 |
20090035728 | SELF-ETCHING EMULSION DENTAL COMPOSITIONS AND METHODS - The present invention is directed to dental compositions that can be used as adhesives for bonding a dental material to a dental structure surface and/or as a dental restorative material. The dental composition is preferably applied to a dental structure surface under conditions effective to etch the dental structure surface. | 02-05-2009 |
20090062711 | REACTIVE HYDROPHILIC OLIGOMERS - Hydrophilic compositions are described, which are prepared from a first oligomer containing pendent polymerizable groups and pendent hydrophilic groups, crosslinked with a co-reactive second component oligomer possessing photoinitiator groups. The compositions may be used as in preparation of hydrophilic gel coatings or layers for medical devices. | 03-05-2009 |
20090118389 | Hardenable dental compositions with low polymerization shrinkage - The present invention features a hardenable dental composition that contains: (1) at least one cyclic allylic compound having at least one sulfur atom in the ring, and (2) at least one at least one ethylenically unsaturated compound, such as a substituted (meth)acryloyl compound. The compositions also typically comprise an initiator system, preferably a photoinitator system containing at least 0.08 wt-% of one or more photosensitizers. | 05-07-2009 |
20090156747 | CURABLE COMPOSITIONS FOR OPTICAL ARTICLES - A curable composition is provided comprising an oligomer having a plurality of pendent and/or terminal ethylenically unsaturated, free-radically polymerizable functional groups, a free-radically polymerizable crosslinking agent, and/or a diluent monomer, and a photoinitiator. The composition, when cured, is non-yellowing, exhibits low shrinkage and low birefringence making it suitable for many optical applications such as optical lenses, optical fibers, prisms, light guides, optical adhesives, and optical films. | 06-18-2009 |
20090305196 | DENTAL COMPOSITIONS INCLUDING ORGANOGELATORS, PRODUCTS, AND METHODS - A hardenable dental composition that includes a polymerizable component and an organogelator. | 12-10-2009 |
20090326498 | HYDROPHILIC GEL FROM REACTIVE HYDROPHILIC OLIGOMERS - Hydrophilic compositions are described, which are prepared from a first oligomer containing pendent polymerizable groups and pendent hydrophilic groups, crosslinked with a co-reactive second component oligomer possessing photoinitiator groups. The compositions may be used as in preparation of hydrophilic gel coatings or layers for medical devices. | 12-31-2009 |
20100076169 | AZLACTONE TELECHELIC POLYMER - A curable composition is described comprising a Michael donor component, a polyacryl component, and 1) an ethylenically unsaturated monomer having a reactive azlactone functional group, or 2) an ethylenically unsaturated monomer having a reactive ring-opened azlactone functional group. A telechelic polymer that is the reaction product of these components is also described. | 03-25-2010 |
20100155998 | SHAPE MEMORY POLYMER - A shape memory polymer composition is described comprising greater that 90 wt. % cyclooctene, less than 10 wt. % of a multicyclic diene, comprising at least two cyclo olefinic rings with at least two reactive double bonds, and less than 2 wt. % of a metathesis catalyst. | 06-24-2010 |
20100316845 | DEBONDABLE ADHESIVE ARTICLE - An adhesive article is described that is debondable from substrates or adherends with the application of heat. | 12-16-2010 |
20110003266 | HARDENABLE SELF-SUPPORTING STRUCTURES AND METHODS - Compositions, particularly for forming dental products, having a hardenable self-supporting structure with sufficient malleability to be subsequently customized into a second shape and then hardened, and methods. | 01-06-2011 |
20110095165 | POLYMERIC MOLDS AND ARTICLES MADE THEREFROM - Disclosed herein are polymeric molds that can be used to make molded articles. The polymeric molds are made from cyclic olefin polymers that may be formed by ring opening metathesis polymerization (ROMP) of a polycyclic monomer having two or more reactive double bonds and a cyclic monomer comprising one reactive double bond. Fluorinated monomers may be used. The polymeric molds may be structured molds in that they have at least one microstructured feature having a dimension of less than about 2 mm, or less than about 500 um. The polymeric molds may also have a plurality of such microstructured features. Also disclosed herein are methods of making the polymeric molds, methods of making molded articles therefrom, and the molded articles. | 04-28-2011 |
20110129644 | MOLDED MICROSTRUCTURED ARTICLES AND METHOD OF MAKING SAME - Disclosed herein are microstructured articles that can be made by molding. The microstructured articles comprise crosslinked unsaturated polymers formed by ring opening metathesis polymerization (ROMP) of a monomer composition, the monomer composition comprising a cyclic monomer having at least one reactive double bond. The microstructured articles may be structured in that they comprise at least one microstructured feature having a dimension of less than about 2 mm, or less than about 500 um. The microstructured articles may also comprise a plurality of such microstructured features. Also disclosed herein are methods of making the microstructured articles. | 06-02-2011 |
20110156310 | SHAPE MEMORY POLYMER - A shape memory polymer composition is described comprising greater that 90 wt. % cyclooctene, less than 10 wt. % of a multicyclic diene, comprising at least two cyclo olefinic rings with at least two reactive double bonds, and less than 2 wt. % of a metathesis catalyst. | 06-30-2011 |
20110237725 | PRESSURE-SENSITIVE ADHESIVES DERIVED FROM 2-ALKYL ALKANOLS - Pressure-sensitive adhesives are prepared from (meth)acrylate esters of 2-alkyl alkanols. The adhesives are characterized by exhibiting an overall balance of adhesive and cohesive characteristics and exceptional adhesion to low surface energy substrates. | 09-29-2011 |
20110245077 | CURABLE HYDROPHILIC COMPOSITIONS - A curable composition is described, including a gel material derived from the curable composition, and medical articles including such material, wherein the transparent gel material includes a polymerized monofunctional poly(alkylene oxide) macromonomer component and a surface modified nanoparticle component. | 10-06-2011 |
20110288227 | POLYMERIZABLE IONIC LIQUID COMPOSITIONS - The compositions comprise an acid functional monomer or acid-functional copolymer (or conjugate base thereof), and an imidazole compound (or conjugate acid thereof). | 11-24-2011 |
20120017422 | BLIND FASTENERS - Fasteners for producing double blind joints where the fastener is not visible or accessible are provided. The fasteners comprise a shape memory polymer that may be used to fasten workpieces by heating the fasteners, inducing recovery of the original, permanent shape of the fasteners | 01-26-2012 |
20120149800 | POLYMERIZABLE IONIC LIQUID COMPRISING MULTIFUNCTIONAL CATION AND ANTISTATIC COATINGS - A multifunctional polymerizable ionic liquid is described comprising an anion and a cationic group having at least two ethylenically unsaturated polymerizable groups, each bonded to the cationic group via a divalent non-alkyl linking group. The multifunctional linking groups independently comprise a heteroatom such as oxygen or nitrogen. The linking groups may independently comprise one or more linkages such as an amide, urea, or ether linkage and more typically a urethane or ester linkage. The ethylenically unsaturated polymerizable groups are typically (meth)acrylate groups. Coatings and coated articles are also described. | 06-14-2012 |
20120225600 | Articles and Methods Using Shape-Memory Polymers - Articles comprise: a nonwoven fiber web and one or more strips bonded to the nonwoven fiber web. The strips comprise a shape-memory polymer that has a strained temporary shape and an intrinsic shape. If heated at or above a transition temperature, the strip at least partially converts from the strained temporary shape to the intrinsic shape, thereby causing at least one of folding, cupping, or puckering of the non-woven fiber web. Methods of heating the articles to provide folded, cupped, and/or puckered articles are also disclosed. | 09-06-2012 |
20120270040 | METHODS OF BONDING ARTICLES TOGETHER AND THE ARTICLES FORMED THEREBY - A method of bonding at least two articles together, the method includes forming a mold, wherein the mold is formed at least in part from the articles; and depositing a curable composition in the mold, wherein the curable composition polymerizes through metathesis polymerization to form a molded polymer joint that bonds the two articles together; and the article formed thereby. An article that includes a first portion; a second portion; and a molded polymer joint, wherein the molded polymer joint bonds the first portion to the second portion, the molded polymer joint has a thickness of at least about 1.3 mm, the molded polymer joint includes a metathesis polymer, and both the first and second portions have different compositions than the molded polymer joint. | 10-25-2012 |
20120276503 | CURABLE DENTAL COMPOSITIONS AND ARTICLES COMPRISING POLYMERIZABLE IONIC LIQUIDS - Presently described are curable dental compositions comprising a polymerizable ionic liquid. The polymerizable ionic liquid comprises one or more ethylenically unsaturated (e.g. free-radically polymerizable) groups. Various embodiments of curable dental compositions are described. In some embodiments, the polymerizable ionic liquid is a monofunctional polymerizable ionic liquid comprising an ethylenically unsaturated group. In other embodiments, the polymerizable ionic liquid is a multi-functional polymerizable ionic liquid comprising at least two ethylenically unsaturated groups. The curable dental compositions describe herein can be utilized as dental primers, dental adhesives, dental sealants, and dental composites. In many embodiments, the curable dental compositions further comprise an initiator such as a photoinitiator. | 11-01-2012 |
20130059975 | POLYMERIZABLE IONIC LIQUID COMPRISING AROMATIC CARBOXYLATE ANION - Presently described are polymerizable ionic liquids comprising a cation and an aromatic carboxylate anion; wherein the cation, anion, or both comprise a free-radically polymerizable group. Also described are curable compositions comprising such polymerizable ionic liquids and at least one other free-radically polymerizable monomer, oligomer, or polymer. | 03-07-2013 |
20130090434 | AZIRIDINYL-CONTAINING COMPOUNDS - Compounds are described that have both an aziridinyl group as well as a polymeric group. Methods of making these compounds are also described. The aziridinyl group of the compound can be reacted with an acidic group on a second compound resulting in the opening of the aziridinyl ring and the attachment of the polymeric group to the second compound. | 04-11-2013 |
20130102731 | GRAFTED COMPOUNDS FORMED FROM AZIRIDINYL-CONTAINING COMPOUNDS - Grafted compounds are formed by reacting (1) a first compound having both an aziridinyl group and a polymeric group with (2) a second compound having at least one acidic group. This reaction results in the opening of the aziridinyl ring on the first compound by the acidic group on the second compound and the formation of an attachment group that connects polymeric group of the first compound to the second compound. In some embodiments, the second compound is a polymeric material having multiple acidic groups and the product of the reaction of the first compound with the second compound results in the formation of a grafted copolymer. | 04-25-2013 |
20130109780 | DENTAL COMPOSITIONS INLCUDING ORGANOGELATORS, PRODUCTS, AND METHODS | 05-02-2013 |
20130126160 | CROSSLINKED EPOXY VINYL ESTER PARTICLES AND METHODS FOR MAKING AND USING THE SAME - A plurality of particles comprising a crosslinked aromatic epoxy vinyl ester polymer, wherein a particle from the plurality of proppant particles swells not more than 20 percent by volume when submerged in toluene for 24 hours at 70° C. is disclosed. A plurality of particles comprising a crosslinked aromatic epoxy vinyl ester polymer, wherein a particle from the plurality of particles maintains at least 75 percent of its height under a pressure of 1.7×10 | 05-23-2013 |
20130217804 | CURABLE AND CURED COMPOSITIONS - Curable compositions, cured compositions, and articles that include the cured compositions are described. The curable composition contains a) an epoxy resin, b) a curing agent, c) a reactive liquid modifier, and d) a toughening agent. The reactive liquid modifier is an acetoacetate ester of a polyol that is a vegetable oil, that is prepared from a vegetable oil, or that is a mixture thereof. The cured compositions can be used as adhesives such as structural adhesives or as polymeric coatings. | 08-22-2013 |
20130225725 | CURABLE COMPOSITIONS - Curable compositions, cured compositions, and articles that include the cured compositions are described. The curable composition contains a) an epoxy resin, b) a curing agent, c) a reactive liquid modifier, and d) a toughening agent. The cured compositions can be used as structural adhesives. The reactive liquid modifier is an acetoacetate ester of a dimer alcohol. The cured compositions can be used as adhesives such as structural adhesives or as polymeric coatings. | 08-29-2013 |
20130253122 | BLENDS OF GRAFTED COPOLYMER AND POLYAMIDE - Compositions are described that are blends of a grafted copolymer and a polyamide. Methods of making the blended compositions are also described. The grafted copolymers are the reaction product of (1) a first compound having both an aziridinyl group and a polymeric group with (2) a second polymeric material having an acidic group. Blending the grafted copolymer with the polyamide can be used, for example, to increase the cohesive strength of the grafted copolymer. | 09-26-2013 |
20130253137 | OXAZOLINYL-CONTAINING POLYMERS AND GRAFTED COMPOUNDS PREPARED FROM THE OXAZOLINYL-CONTAINING POLYMERS - Oxazolinyl-containing compounds having a single oxazolinyl group plus a first polymeric group are described. Grafted compounds are also described that are the product of a reaction of an oxazolinyl-containing compound with a second compound that has one or more acidic groups to form a grafted compound. In some embodiments, the second compound is a polymeric material having at least one acidic group and the reaction product is a grafted copolymer. Blended compositions of the grafted copolymer with a polyamide are also described. | 09-26-2013 |
20130260149 | POLYMERS DERIVED FROM SECONDARY ALKYL (METH)ACRYLATES - Polymers, particularly those used in pressure-sensitive adhesives, are prepared from a mixture of structural isomers of a secondary alkyl(meth)acrylate monomer. The adhesives are characterized by exhibiting an overall balance of adhesive and cohesive characteristics and exceptional adhesion to low surface energy substrates. | 10-03-2013 |
20130276973 | DEBONDABLE ADHESIVE ARTICLE - An adhesive article is described that is debondable from substrates or adherends with the application of heat. | 10-24-2013 |
20140213726 | POLYMERIZABLE IONIC LIQUID COMPRISING MULTIFUNCTIONAL CATION AND ANTISTATIC COATINGS - A multifunctional polymerizable ionic liquid is described comprising an anion and a cationic group having at least two ethylenically unsaturated polymerizable groups, each bonded to the cationic group via a divalent non-alkyl linking group. The multifunctional linking groups independently comprise a heteroatom such as oxygen or nitrogen. The linking groups may independently comprise one or more linkages such as an amide, urea, and more typically a urethane or ester linkage. The ethylenically unsaturated polymerizable groups are typically (meth)acrylate groups. Coatings and coated articles are also described. | 07-31-2014 |
20140248106 | BLIND FASTENERS - Fasteners for producing double blind joints where the fastener is not visible or accessible are provided. The fasteners comprise a shape memory polymer that may be used to fasten workpieces by heating the fasteners, inducing recovery of the original, permanent shape of the fasteners. | 09-04-2014 |
20140322550 | COMPOSITIONS AND ARTICLES COMPRISING POLYMERIZABLE IONIC LIQUID MIXTURE, AND METHODS OF CURING - Presently described are curable compositions comprising a mixture of at least one (e.g. free-radically) polymerizable ionic liquid and at least one other ethylenically unsaturated monomer, oligomer, or polymer. The polymerizable ionic liquid is characterized as having an air to nitrogen curing exotherm ratio of at least 0.70. Also described are articles and methods of making articles from such curable compositions. A monofunctional polymerizable ionic liquid is also described comprising a non-polymerizable substituted imidazolium cationic group and a polymerizable sulfonate anion. | 10-30-2014 |
20140350196 | MERCAPTO-CONTAINING BISANHYDROHEXITOL DERIVATIVES AND USES THEREOF - Bisanhydrohexitol derivatives having terminal mercapto groups are provided. Additionally, curable compositions that include these mercapto-containing bisanhydrohexitol derivatives, cured compositions prepared from the curable compositions, and articles containing the cured compositions are provided. More specifically, the curable compositions are epoxy-based formulations and the mercapto-containing bisanhydrohexitol derivatives function as curing agents for epoxy resins. | 11-27-2014 |
20140367040 | MULTILAYER PRESSURE-SENSITIVE ADHESIVE FILMS WITH A (METH)ACRYLIC-BASED ELASTOMERIC MATERIAL - The present invention is directed to a multilayer pressure sensitive adhesive (PSA) film, having a first pressure sensitive adhesive layer and at least an opposing layer, wherein the first pressure sensitive adhesive layer comprises a pressure-sensitive adhesive composition with a (meth)acrylic-based elastomeric material comprising a reaction product of polymerizable material comprising: (a) a first monomer which is an alkyl (meth)acrylate ester of a primary alcohol R | 12-18-2014 |
20140370281 | PRESSURE-SENSITIVE ADHESIVES WITH (METH)ACRYLIC-BASED ELASTOMERIC MATERIALS PREPARED USING (2-ISOPROPYL-5-METHYL)HEXYL (METH)ACRYLATE - Pressure-sensitive adhesive compositions and articles containing the pressure-sensitive adhesives are provided. The pressure-sensitive adhesives contain an (meth)acrylic-based elastomeric material prepared from (2-isopropyl-5-methyl)hexyl (meth)acrylate. | 12-18-2014 |
20140370298 | OXIRANE-CONTAINING BISANHYDROHEXITOL DERIVATIVES AND USES THEREOF - Epoxy compounds that are bisanhydrohexitol derivatives (i.e., isosorbide derivatives, isomannide derivatives, isoidide derivatives, or mixtures thereof) having two terminal oxirane groups are provided. Additionally, curable compositions that include these epoxy compounds, cured compositions prepared from the curable compositions, and articles containing the cured compositions are described. The cured compositions can be used, for example, as a structural adhesive or as a coating. | 12-18-2014 |
20140377553 | PRESSURE-SENSITIVE ADHESIVES WITH A (METH)ACRYLIC-BASED ELASTOMERIC MATERIAL - Pressure-sensitive adhesive compositions and articles containing the pressure-sensitive adhesives are provided. The pressure-sensitive adhesives contain an (meth)acrylic-based elastomeric material prepared an alkyl (meth)acrylate having an alkyl groups that is branched and that contains at least 14 carbon atoms. | 12-25-2014 |
20140377717 | CURABLE DENTAL COMPOSITIONS AND ARTICLES COMPRISING POLYMERIZABLE IONIC LIQUIDS - Presently described are curable dental compositions comprising a polymerizable ionic liquid. The polymerizable ionic liquid comprises one or more ethylenically unsaturated (e.g. free-radically polymerizable) groups. Various embodiments of curable dental compositions are described. In some embodiments, the polymerizable ionic liquid is a monofunctional polymerizable ionic liquid comprising an ethylenically unsaturated group. In other embodiments, the polymerizable ionic liquid is a multifunctional polymerizable ionic liquid comprising at least two ethylenically unsaturated groups. The curable dental compositions describe herein can be utilized as dental primers, dental adhesives, dental sealants, and dental composites. In many embodiments, the curable dental compositions further comprise an initiator such as a photoinitiator. | 12-25-2014 |
20150033985 | COMPOSITIONS CONTAINING TETRAHYDROFURFURYL AND/OR ALKYL-SUBSTITUTED TETRAHYDROFURFURYL ESTERS OF CITRIC ACID - Compositions containing tetrahydrofurfuryl and/or alkyl-substituted tetrahydrofurfuryl esters of citric acid are provided. These esters of citric acid can be formed from renewable materials and can be used, for example, as plasticizers for various polymeric materials. The tetrahydrofurfuryl and/or alkyl-substituted tetrahydrofurfuryl esters of citric acid typically have a low odor, have good compatibility with a variety of polymeric materials, and can be used at temperatures often encountered during hot melt processing of polymeric materials. | 02-05-2015 |