Abstract: The disclosure describes a curable composition comprising a first oligomer having a plurality of polymerizable groups; a second component comprising alkylene oxide repeat units and terminal polymerizable groups, a solvent monomer component; and a photoinitiator. The curable composition may be used as an adhesive in optical applications.

Abstract: Crosslinkable compositions, crosslinked compositions, articles containing these compositions, and methods of making the articles are provided. The crosslinkable compositions, which include two (meth)acrylate copolymers plus a tackifier, are used to form the crosslinked compositions upon exposure to ultraviolet radiation. The crosslinked compositions can function as pressure-sensitive adhesives. The crosslinkable compositions are well suited for use with hot melt processing methods.

Abstract: A method for preparing an acrylate adhesive is provided by the steps of partially polymerizing a monomer mixture to provide a syrup polymer composition having a high molecular weight solute copolymer. This first syrup composition is again polymerized to provide a second syrup polymer composition having a low molecular weight copolymer. The second syrup polymer composition is provided with a crosslinking agent and further polymerized to provide the adhesive composition.

Abstract: A composition including at least one moisture-curable, semi-crystalline (meth)acrylic oligomer represented by the formula: wherein R1 is independently a C16 to C40 alkyl group; R2 is independently a C16 to C40 alkyl group; each R3 is independently a methyl, ethyl, or isopropyl group; X is a chain transfer agent as defined further below; Y is independently selected to be a methyl, ethyl, or isopropyl group; a, b and c are each independently selected to be an integer of at least 10, and a+b+c?1500; n?1; and p is 0, 1, 2, or 3. The oligomer may be used advantageously as a coating, primer or adhesion promoter in construction articles, for example, adhesives, caulks, grouts, pavement markings, paving materials, ceramic tiles, or roofing granules.

Abstract: A protective film includes a base layer and a wear layer, the wear layer comprising a UV cured hardcoat resin, and the UV cured hardcoat resin comprising surface modified silica nanoparticles. The protective film may comprise a pressure sensitive adhesive for adhesion to a floor. The protective film may be used, for example, as a protective floor finish.

Abstract: The methods of preparing hot melt processable pressure sensitive adhesives include combining an elastomeric (meth)acrylate random copolymer and a discontinuous fibrous material in a hot melt mixing apparatus, and mixing to form a hot melt processable pressure sensitive adhesive. The elastomeric (meth)acrylate random copolymer may be contained within a thermoplastic pouch, and the hot melt mixture may include a relatively high level of tackifying resin. The elastomeric (meth)acrylate random copolymer may contain branching agents and photosensitive crosslinking agents. The hot melt processable pressure sensitive adhesives can be used to prepare transfer tapes.

Abstract: A pressure-sensitive adhesive obtained from crosslinking a pre-adhesive composition comprising poly(meth)acrylate macromolecules that comprise a number-average molecular weight of from about 25000 to about 200000.

Abstract: A method for preparing an acrylate adhesive is provided by the steps of partially polymerizing a monomer mixture to provide a syrup polymer composition having a high molecular weight solute copolymer. This first syrup composition is again polymerized to provide a second syrup polymer composition having a low molecular weight copolymer. The second syrup polymer composition is provided with a crosslinking agent and further polymerized to provide the adhesive composition.

Abstract: A composition suitable for use as a low adhesion backsize or a primer for low surface energy adhesives, including the reaction product of at least one moisture-curable, semi-crystalline (meth)acrylic oligomer represented by the formula: wherein R1 is independently a C16 to C40 alkyl group; R2 is independently a C1 to C40 alkyl group; each R3 is independently a methyl, ethyl, or isopropyl group; X is a chain transfer agent as defined further below; Y is independently selected to be a methyl, ethyl, or isopropyl group; a, b and c are each independently selected to be an integer of at least 10, and a+b+c<1500; n>1; and p is 0, 1, 2, or 3. Articles and methods of using the composition as a low adhesion backsize or a primer for a low surface energy adhesive are also described.

Abstract: Crosslinkable compositions, crosslinked compositions, articles containing these compositions, and methods of making the articles are provided. The crosslinkable compositions, which include two (meth)acrylate copolymers plus a tackifier, are used to form the crosslinked compositions upon exposure to ultraviolet radiation. The crosslinked compositions can function as pressure-sensitive adhesives. The crosslinkable compositions are well suited for use with hot melt processing methods.

Abstract: The disclosure describes a curable composition comprising a) a solute (meth)acryloyl oligomer having a plurality of pendent, ethylenically unsaturated, free-radically polymerizable functional groups and nucleophilic, hydrophilic groups, a) Mw of 5 k to 30 k, a Tg<20° C.; b) a solvent monomer component; and a photoinitiator. The curable composition may be used as an adhesive in optical applications.

Abstract: A composition including at least one moisture-curable, semi-crystalline (meth)acrylic oligomer represented by the formula: wherein R1 is independently a C16 to C40 alkyl group; R2 is independently a C16 to C40 alkyl group; each R3 is independently a methyl, ethyl, or isopropyl group; X is a chain transfer agent as defined further below; Y is independently selected to be a methyl, ethyl, or isopropyl group; a, b and c are each independently selected to be an integer of at least 10, and a+b+c?1500; n?1; and p is 0, 1, 2, or 3. The oligomer may be used advantageously as a coating, primer or adhesion promoter in construction articles, for example, adhesives, caulks, grouts, pavement markings, paving materials, ceramic tiles, or roofing granules.

Abstract: The disclosure describes a curable composition comprising a first oligomer having a plurality of polymerizable groups; a second component comprising alkylene oxide repeat units and terminal polymerizable groups, a solvent monomer component; and a photoinitiator. The curable composition may be used as an adhesive in optical applications.

Abstract: The disclosure describes a curable composition comprising a) a solute (meth)acryloyl oligomer having a plurality of pendent, ethylenically unsaturated, free-radically polymerizable functional groups and nucleophilic, hydrophilic groups, a) Mw of 5 k to 30 k, a Tg<20° C.; b) a solvent monomer component; and a photoinitiator. The curable composition may be used as an adhesive in optical applications.

Abstract: 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.

Abstract: The methods of preparing hot melt processable pressure sensitive adhesives include combining an elastomeric (meth)acrylate random copolymer and a discontinuous fibrous material in a hot melt mixing apparatus, and mixing to form a hot melt processable pressure sensitive adhesive. The elastomeric (meth)acrylate random copolymer may be contained within a thermoplastic pouch, and the hot melt mixture may include a relatively high level of tackifying resin. The elastomeric (meth)acrylate random copolymer may contain branching agents and photosensitive crosslinking agents. The hot melt processable pressure sensitive adhesives can be used to prepare transfer tapes.

Abstract: The methods of preparing hot melt processable pressure sensitive adhesives include combining an elastomeric (meth)acrylate random copolymer contained within a thermoplastic pouch and greater than 50 parts by weight per 100 parts by weight of hot melt processable elastomeric (meth)acrylate random co-polymer of at least one tackifying resin in a hot melt mixing apparatus, and mixing to form a hot melt processable pressure sensitive adhesive. The elastomeric (meth)acrylate random copolymer may contain branching agents and photosensitive crosslinking agents. The hot melt processable pressure sensitive adhesives can be used to prepare transfer tapes.

Abstract: 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.

Abstract: A method for the polymerization of free radically polymerizable vinyl monomers involves polymerizing free radically (co)polymerizable vinyl monomers in a batch reaction under essentially adiabatic conditions, and utilizing scavenger monomer to reduce undesirable residual monomer.

Abstract: Methods for preparing silicone-containing polymers by essentially adiabatic polymerization methods are disclosed. The polymerization system includes free radically polymerizable monomers. The monomers include ethylenically unsaturated cone-containing monomers and/or mercapto-functional silicones as well as additional free radically polymerizable monomers. The silicone-containing polymers are useful as adhesives or release materials.