Patent application number | Description | Published |
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 |
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 |
20120208013 | ISOBUTYLENE COPOLYMER WITH GRAFTED POLYMER GROUPS - Disclosed are copolymers which comprise: a) an isobutylene copolymer having grafted polymer groups, b) optionally a tackifier, and c) optionally a non-functionalized poly(isobutylene) polymer. The compositions are useful in adhesives and coatings. | 08-16-2012 |
20120301715 | PRESSURE-SENSITIVE ADHESIVES WITH ONIUM-EPOXY CROSSLINKING SYSTEM - A pre-adhesive composition is described comprising an acid- and epoxy-functional (meth)acryloyl copolymer, which when crosslinked using an ionic photoacid generator (PAG) provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles having desirable properties. | 11-29-2012 |
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 |
20130131273 | Isobutylene Copolymer with Grafted Polymer Groups - Disclosed are copolymers which comprise: a) an isobutylene copolymer having grafted polymer groups, b) optionally a tackifier, and c) optionally a non-functionalized poly(isobutylene) polymer. The compositions are useful in adhesives and coatings. | 05-23-2013 |
20130196153 | PRESSURE-SENSITIVE ADHESIVES WITH ONIUM-EPOXY CROSSLINKING SYSTEM - A pre-adhesive composition is described comprising an acid- and epoxy-functional (meth)acryloyl copolymer, which when crosslinked with or without using an ionic photoacid generator (PAG) provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles having desirable properties. | 08-01-2013 |
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 |
20140107282 | Flame Retarding Adhesives - Pressure sensitive adhesives having flame retarding properties include a (meth)acrylate-based block copolymer, and at least 10% by weight of a halogen-free flame retarding agent. The adhesives may contain additional optional additives such as tackifying resins, plasticizers, and the like. The adhesives are prepared by blending the (meth)acrylate-based block copolymer, and the halogen-free flame retarding agent either in solvent or by a solventless process. | 04-17-2014 |
20140162058 | Flame Retarding Tapes - Pressure sensitive adhesive tapes having flame retarding properties include a backing and a pressure sensitive adhesive layer. The pressure sensitive adhesive layer includes a (meth)acrylate-based block copolymer, and may also include at least 10% by weight of a halogen-free flame retarding agent. The adhesive layer may contain additional optional additives such as tackifying resins, plasticizers, and the like. The tapes are prepared by coating the flame retarding pressure sensitive adhesive onto the backing, either in solvent or by a solventless process. | 06-12-2014 |
20140272407 | ADHESIVES COMPRISING EPOXY-ACID CROSSLINKED GROUPS AND METHODS - Adhesives compositions and methods of preparing adhesive compositions are described. The methods generally comprise a) providing a syrup composition comprising i) a free-radically polymerizable solvent monomer; and ii) a solute (meth)acrylic copolymer; and b) radiation curing the syrup composition in the absence of an ionic photoacid generator. In one embodiment, the solute (meth)acrylic copolymer as provided or during curing comprises repeat units derived from at least one alkyl(meth)acrylate monomer, at least one ethylenically unsaturated monomer comprising an acid-functional group; and at least one (meth)acryloyl monomer comprising an epoxy-functional group; and the acid-functional groups crosslink with the epoxy-functional groups. In another embodiment, the solute (meth)acrylic copolymer comprising repeat units derived from at least one alkyl(meth)acrylate monomer and at least one ethylenically unsaturated monomer comprising an acid-functional group; and an epoxy resin, having on average greater than one polymerizable epoxy group per molecule, crosslinks the acid-functional groups. | 09-18-2014 |
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 |
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 |