Adhesive composition for bonding a low-energy plastic...

C - Chemistry – Metallurgy – 08 – K

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400/1700, 400/18

C08K 5/54 (2006.01) C08L 23/08 (2006.01) C08L 91/06 (2006.01) C08L 93/04 (2006.01) C09J 123/08 (2006.01) C09J 191/06 (2006.01)

Patent

CA 1156393

Abstract of the Disclosure An adhesive composition effective in bonding a low- energy plastic surface to metal which provides an improved tensile lap shear strength containing the following components 11) an ethylene-vinyl ester copolymer (2) a tackifier selected from the following group (a) a rosin, (b) a rosin ester, (c) a terpene resin, (d) a terpene phenolic-resin and (e) a rosin- modified phenolic resin; (3) a silane having a structural formula R(CH2)n[NH(CH2)3]mSiX3 wherein R is selected from the group consisting of amino, mercapto, glycidoxypropyl, epoxycyclohexyl, methacryloxy and vinyl n is an integer from 0 to 6: m, when R is amino, is an integer from 0 to 1: m, when R is selected from the group consisting of mercapto, glycidoxypropyl, epoxycyclohexyl, methacryloxy and vinyl, is the integer 0; and X is selected from the group consisting of Cl, OCH3, OC2H5 and OC2H4OCH3: and (4) a wax and a procoss for bonding said plastic surface to said metal.

309189

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