Tie-layer adhesives having graft compositions for bonding to metal substrates is disclosed. The graft compositions are made up of the reaction product of a live, grafted polyolefin and an olefin elastomer. The grafted polyolefin is first made by heating a polyolefin and an unsaturated monomer. Further reaction of the live, grafted polyolefin with an olefin elastomer provides the graft composition. Grafting efficiency is boosted dramatically by the presence of the olefin elastomer and use of the additional reaction step. The graft composition, when formulated into a tie-layer adhesive provides improved bonding to metal substrates.

Tie-layer adhesives having graft compositions for bonding to metal substrates is disclosed. The graft compositions are made up of the reaction product of a live, grafted polyolefin and an olefin elastomer. The grafted polyolefin is first made by heating a polyolefin and an unsaturated monomer. Further reaction of the live, grafted polyolefin with an olefin elastomer provides the graft composition. Grafting efficiency is boosted dramatically by the presence of the olefin elastomer and use of the additional reaction step. The graft composition, when formulated into a tie-layer adhesive provides improved bonding to metal substrates.

Tie-layer adhesives having graft compositions for bonding to metal substrates is disclosed. The graft compositions are made up of the reaction product of a live, grafted polyolefin and an olefin elastomer. The grafted polyolefin is first made by heating a polyolefin and an unsaturated monomer. Further reaction of the live, grafted polyolefin with an olefin elastomer provides the graft composition. Grafting efficiency is boosted dramatically by the presence of the olefin elastomer and use of the additional reaction step. The graft composition, when formulated into a tie-layer adhesive provides improved bonding to metal substrates.

This invention relates to a process for the preparation of a silane-functionalized resin composition comprising the steps of mixing a polymer backbone, a silane, and a free radical initiator; and producing a silane-functionalized resin composition. The polymer backbone is selected from at least one of dicyclopentadiene (DCPD)-based polymers, cyclopentadiene (CPD)-based polymers, DCPD-styrene copolymers, C.sub.5 homopolymers and copolymer resins, C.sub.5-styrene copolymer resins, terpene homopolymer or copolymer resins, pinene homopolymer or copolymer resins, C.sub.9 homopolymers and copolymer resins, C.sub.5/C.sub.9 copolymer resins, alpha-methylstyrene homopolymer or copolymer resins, and combinations thereof.

This invention relates to a process for the preparation of a silane-functionalized resin composition comprising the steps of mixing a polymer backbone, a silane, and a free radical initiator; and producing a silane-functionalized resin composition. The polymer backbone is selected from at least one of dicyclopentadiene (DCPD)-based polymers, cyclopentadiene (CPD)-based polymers, DCPD-styrene copolymers, C.sub.5 homopolymers and copolymer resins, C.sub.5-styrene copolymer resins, terpene homopolymer or copolymer resins, pinene homopolymer or copolymer resins, C.sub.9 homopolymers and copolymer resins, C.sub.5/C.sub.9 copolymer resins, alpha-methylstyrene homopolymer or copolymer resins, and combinations thereof.

This invention relates to a process for the preparation of a silane-functionalized resin composition comprising the steps of mixing a polymer backbone, a silane, and a free radical initiator; and producing a silane-functionalized resin composition. The polymer backbone is selected from at least one of dicyclopentadiene (DCPD)-based polymers, cyclopentadiene (CPD)-based polymers, DCPD-styrene copolymers, C.sub.5 homopolymers and copolymer resins, C.sub.5-styrene copolymer resins, terpene homopolymer or copolymer resins, pinene homopolymer or copolymer resins, C.sub.9 homopolymers and copolymer resins, C.sub.5/C.sub.9 copolymer resins, alpha-methylstyrene homopolymer or copolymer resins, and combinations thereof.

A two-agent type composition consisting of first agent and second agent, wherein: first agent contains an elastomer, a first and second acrylic component, a second acrylic component, and a polymerization initiator; second agent contains condensate of amine and aldehyde, third acrylic component, and reducing agent; the first acrylic component is (meth)acrylate or (meth)acrylic acid, containing two or more hydroxyl groups bonded to a carbon atom in one molecule, or containing one or more functional groups of one or more kind of functional groups selected from group consisting of an amide group, a cyclic amide group, a sulfoxide group, a ketone group, an aldehyde group, a sulfo group, a sulfino group, a phosphonic group, a sulfobetaine group, a carbobetaine group, and a phosphobetaine group in one molecule; second acrylic component is a (meth)acrylate or (meth)acrylic acid other than first acrylic component; and the third acrylic component is (meth)acrylate or (meth)acrylic acid.

A thermoplastic resin composition of the present invention contains a graft copolymer (B) obtained by polymerizing a vinyl-based monomer component (m1) in the presence of a composite rubber polymer (A) formed from a polyorganosiloxane (Aa) and a poly(meth)acrylate ester (Ab), and a (meth)acrylate ester resin (C) obtained by polymerizing a vinyl-based monomer component (m2), wherein the amount of the polyorganosiloxane (Aa) relative to the total mass (100% by mass) of the composite rubber polymer (A) is from 1 to 20% by mass, the volume average particle size of the composite rubber polymer (A) is from 0.05 to 0.15 m, and relative to the total mass (100% by mass) of the vinyl-based monomer component (m2), the amount of the maleimide-based compound is from 1 to 30% by mass, and the amount of the aromatic vinyl compound is from 5.5 to 15% by mass.

A thermoplastic resin composition of the present invention contains a graft copolymer (B) obtained by polymerizing a vinyl-based monomer component (m1) in the presence of a composite rubber polymer (A) formed from a polyorganosiloxane (Aa) and a poly(meth)acrylate ester (Ab), and a (meth)acrylate ester resin (C) obtained by polymerizing a vinyl-based monomer component (m2), wherein the amount of the polyorganosiloxane (Aa) relative to the total mass (100% by mass) of the composite rubber polymer (A) is from 1 to 20% by mass, the volume average particle size of the composite rubber polymer (A) is from 0.05 to 0.15 m, and relative to the total mass (100% by mass) of the vinyl-based monomer component (m2), the amount of the maleimide-based compound is from 1 to 30% by mass, and the amount of the aromatic vinyl compound is from 5.5 to 15% by mass.

This disclosure is to provide a rubber composition excellent in low loss property, breaking resistance and wear resistance. In order to achieve the aforementioned purpose, this disclosure is a rubber composition containing a rubber component having a diene-based polymer and a silica, wherein: the diene-based polymer has 3 or more modified functional groups capable of interacting with the silica merely within a range of of an entire chain length from a terminal, and has at least one monomer structural unit of a diene-based polymer among the modified functional groups; and a content of the silica is 60 to 250 parts by mass per 100 parts by mass of the rubber component.