Abstract: The present invention relates to a curable composition comprising an oligomer and a low viscosity reactive diluent. The oligomer comprises polymerized high Tg monomer units, polymerized low Tg monomer units, polymerized chromophore monomer units, and optionally at least one polymerized additional monomer unit. The invention also relates to use of the curable composition as a pressure sensitive adhesive curable composition and methods of coating a substrate.

Abstract: Foamed products are produced using multi-component systems which are advantageously free of isocyanate. The components of the systems are combined, with the resulting mixture then undergoing curing and foaming to provide a foamed product, wherein the characteristics of the foamed product may be varied by selecting particular reactants to be present in the multi-component system. The systems employ at least one (meth)acrylate compound having two or more (meth)acrylate functional groups per molecule, at least one thiol compound having two or more thiol functional groups per molecule, at least one free radical initiator, at least one blowing agent, at least one surfactant, and optionally at least one promoter for the free radical initiator.

Abstract: (Meth)acrylate-functionalized oligomers having a) an oligomeric backbone comprised of first segments and second segments and b) (meth)acrylate-functionalized end groups are provided. Such oligomers are useful as components of curable compositions. The first segments, second segments and (meth)acrylate-functionalized end groups are linked together by linking moieties derived from a polyisocyanate. The first segments are residues of a first segment precursor containing a plurality of repeating units and a plurality of isocyanate-reactive functional groups and having a number average molecular weight of at least 250 daltons. The second segments are residues of a second segment precursor, different from the first segment precursor, containing a plurality of repeating units and a plurality of isocyanate-reactive functional groups and having a number average molecular weight of at least 250 daltons.

Abstract: A curable composition provides, upon curing, an adhesive made from energy-curable compounds having one set of adhesive properties (i.e., peel, tack and shear) after curing and a second set of adhesive properties after being subjected to some external stimuli, such as heat, light, chemicals or mechanical stresses. The curable composition comprises at least one urethane (meth)acrylate oligomer having a structure comprising: a1) at least one polyol backbone segment having at least one reacted end; a2) at least one reacted polyisocyanate forming a urethane linkage at the at least one reacted end of each of the at least one polyol backbone segment and a3) at least one blocking end group reacted with the at least one reacted polyisocyanate to form a reversible bond and bearing a (meth)acrylate group and a chain terminator or extender.

Abstract: Pressure sensitive adhesives having high shear failure temperatures are made by reacting a curable pressure sensitive adhesive composition comprising: a. a pre-polymer having a structure according to Formula (I) R1—[Polymer]—R2. wherein the [Polymer] is a linear or branched polymer backbone derived from the reaction of farnesene and at least one other monomer: and R1 is a (C1-C12) alkyl group or R2. and R2 comprises a (meth)acrylate group having a structure according to Formula (II), wherein Z is selected from the group consisting of hydrogen and methyl: b. at least one functional (meth)acry late monomer: and c. at least one photo-initiator.

Abstract: Disclosed are photo-curable compositions and processes to produce a 3D high-frequency dielectric material for use as an insulator in a circuit such as, for example, a high-performance RF component such as, for example, an antenna for electromagnetic transmission, a filter, a transmission line, or a high frequency interconnect. The high frequency circuit structures have a very low dielectric loss at operating frequencies (1-60 GHz).

Abstract: (Meth)acrylate-functionalized oligomers having a) an oligomeric backbone comprised of first segments and second segments and b) (meth)acrylate-functionalized end groups are provided. Such oligomers are useful as components of curable compositions. The first segments, second segments and (meth)acrylate-functionalized end groups are linked together by linking moieties derived from a polyisocyanate. The first segments are residues of a first segment precursor containing a plurality of repeating units and a plurality of isocyanate-reactive functional groups and having a number average molecular weight of at least 250 daltons. The second segments are residues of a second segment precursor, different from the first segment precursor, containing a plurality of repeating units and a plurality of isocyanate-reactive functional groups and having a number average molecular weight of at least 250 daltons.

Abstract: (Meth)acrylate-functionalized branched polyalpha-olefins which are the reaction product of, at least, a) a (meth)acrylate source and b) a hydroxyl-functionalized branched polymerizate of, at least, i) one or more alpha-olefin monomers having at least six carbon atoms per molecule and ii) one or more unsaturated hydroxyl-functionalized comonomers are useful hydrophobic, reactive components of crosslinkable resin compositions additionally containing a polymer (such as a polyolefin) as well as curable compositions containing one or more additional types of (meth)acrylate-functionalized compounds.

Abstract: Foamed products are produced using multi-component systems which are advantageously free of isocyanate. The components of the systems are combined, with the resulting mixture then undergoing curing and foaming to provide a foamed product, wherein the characteristics of the foamed product may be varied by selecting particular reactants to be present in the multi-component system. The systems employ at least one (meth)acrylate compound having two or more (meth)acrylate functional groups per molecule, at least one thiol compound having two or more thiol functional groups per molecule, at least one free radical initiator, at least one blowing agent, at least one surfactant, and optionally at least one promoter for the free radical initiator.

Abstract: A curable composition provides, upon curing, an adhesive made from energy-curable compounds having one set of adhesive properties (i.e., peel, tack and shear) after curing and a second set of adhesive properties after being subjected to some external stimuli, such as heat, light, chemicals or mechanical stresses. The curable composition comprises at least one urethane (meth)acrylate oligomer having a structure comprising: a1) at least one polyol backbone segment having at least one reacted end; a2) at least one reacted polyisocyanate forming a urethane linkage at the at least one reacted end of each of the at least one polyol backbone segment and a3) at least one blocking end group reacted with the at least one reacted polyisocyanate to form a reversible bond and bearing a (meth)acrylate group and a chain terminator or extender.