A transparent laminate having a haze of less than 10% measured according to ASTM D1003-13, wherein the laminate comprises: i) at least a first substrate, ii) at least a second substrate and iii) an adhesive film between the first and second substrate, wherein the adhesive film is a cured, transparent rubber film obtained by curing an adhesive composition comprising: a) at least 80% by weight of at least one polyisoprene rubber, b) 0.5 to 15% by weight of at least one organic compound comprising at least two vinyl groups and c) 0.01 to 10% by weight of at least one peroxide compound.

A transparent laminate having a haze of less than 10% measured according to ASTM D1003-13, wherein the laminate comprises: i) at least a first substrate, ii) at least a second substrate and iii) an adhesive film between the first and second substrate, wherein the adhesive film is a cured, transparent rubber film obtained by curing an adhesive composition comprising: a) at least 80% by weight of at least one polyisoprene rubber, b) 0.5 to 15% by weight of at least one organic compound comprising at least two vinyl groups and c) 0.01 to 10% by weight of at least one peroxide compound.

Two-part cyanoacrylate/free radically curable adhesive systems demonstrating improved impact toughness performance are provided.

Two-part cyanoacrylate/free radically curable adhesive systems demonstrating improved impact toughness performance are provided.

A composition that cures when exposed to actinic radiation. In some embodiments the curable adhesive composition comprises: a) one or more radiation curable oligomers or prepolymers terminally having at least one carbon-carbon double bond-containing group; b) one or more diluent monomer components containing at least one polymerizable group; c) optionally one or more adhesion promoting additives of an organic or inorganic acid acrylic monomer; and optionally one or more rheological modifiers; one or more plasticizers and; one or more additives. The curable composition can be used in an adhesive that structurally bonds many substrates including dissimilar substrates. In some embodiments cured reaction products of the composition have a broad service temperature range from 20 to 120 C. Cured reaction products of this embodiment will exhibit greater than 50% cohesive failure in this temperature range. The cured composition will retain adhesive strength at temperatures above its Tg.

A composition that cures when exposed to actinic radiation. In some embodiments the curable adhesive composition comprises: a) one or more radiation curable oligomers or prepolymers terminally having at least one carbon-carbon double bond-containing group; b) one or more diluent monomer components containing at least one polymerizable group; c) optionally one or more adhesion promoting additives of an organic or inorganic acid acrylic monomer; and optionally one or more rheological modifiers; one or more plasticizers and; one or more additives. The curable composition can be used in an adhesive that structurally bonds many substrates including dissimilar substrates. In some embodiments cured reaction products of the composition have a broad service temperature range from 20 to 120 C. Cured reaction products of this embodiment will exhibit greater than 50% cohesive failure in this temperature range. The cured composition will retain adhesive strength at temperatures above its Tg.

A method for producing a chloroprene graft copolymer latex includes a step of adding an ethylenic double bond-containing silane coupling agent (B) to a chloroprene polymer latex and graft copolymerizing the ethylenic double bond-containing silane coupling agent (B) to the chloroprene polymer (A) in the chloroprene polymer latex at 10° C. to 50° C. (inclusive). The amount of the ethylenic double bond-containing silane coupling agent (B) added is 0.4 parts by mass to 9.0 parts by mass (inclusive) per 100 parts by mass of the chloroprene polymer (A). The present invention also relates to an adhesive containing the chloroprene graft copolymer latex and to a method for using the adhesive. The present invention can provide a method for producing a chloroprene graft copolymer latex containing no organic solvent and having high adhesive strength to glass, an adhesive containing the same, and a method for using the adhesive.

A method for producing a chloroprene graft copolymer latex includes a step of adding an ethylenic double bond-containing silane coupling agent (B) to a chloroprene polymer latex and graft copolymerizing the ethylenic double bond-containing silane coupling agent (B) to the chloroprene polymer (A) in the chloroprene polymer latex at 10° C. to 50° C. (inclusive). The amount of the ethylenic double bond-containing silane coupling agent (B) added is 0.4 parts by mass to 9.0 parts by mass (inclusive) per 100 parts by mass of the chloroprene polymer (A). The present invention also relates to an adhesive containing the chloroprene graft copolymer latex and to a method for using the adhesive. The present invention can provide a method for producing a chloroprene graft copolymer latex containing no organic solvent and having high adhesive strength to glass, an adhesive containing the same, and a method for using the adhesive.

The invention relates to an aqueous polymer dispersion comprising: a) an aqueous polymer dispersion comprising grafted rubber polymeric particles from rubber polymer being selected from natural or synthetic rubber, b) an aqueous polymer dispersion with polymeric particles of a second polymer comprising monomeric units derived front a monomeric composition b) comprising: b1) a (meth)acrylate of a linear or branched alcohol in C.sub.4 to C.sub.10 or a mixture of such (meth)acrylates, said (meth)acrylate having Tg.sub.b1 lower than −30° C., b2) optionally, at least one comonomer having Tg.sub.b2 higher than −30° C.,
with said grafted rubber polymeric particles being grafted in an aqueous dispersion by a part of said monomeric composition b) as defined above. The invention covers a process of preparation of said dispersion, an adhesive composition comprising said dispersion, the use of said dispersion in pressure sensitive adhesives, and the resulting adhesive.

The invention relates to an aqueous polymer dispersion comprising: a) an aqueous polymer dispersion comprising grafted rubber polymeric particles from rubber polymer being selected from natural or synthetic rubber, b) an aqueous polymer dispersion with polymeric particles of a second polymer comprising monomeric units derived front a monomeric composition b) comprising: b1) a (meth)acrylate of a linear or branched alcohol in C.sub.4 to C.sub.10 or a mixture of such (meth)acrylates, said (meth)acrylate having Tg.sub.b1 lower than −30° C., b2) optionally, at least one comonomer having Tg.sub.b2 higher than −30° C.,
with said grafted rubber polymeric particles being grafted in an aqueous dispersion by a part of said monomeric composition b) as defined above. The invention covers a process of preparation of said dispersion, an adhesive composition comprising said dispersion, the use of said dispersion in pressure sensitive adhesives, and the resulting adhesive.