Laminated and molded article prepared therefrom

Claim 2

A laminate comprising (a) a layer composed of a polyolefin elastomer comprising a partially crosslinked graft-modified blend comprising (i) 10 to 100 parts by weight of a peroxide-crosslinking olefin copolymer (ii) 0 to 90 parts by weight of an olefinic plastic, the sum of the amounts of the components (i) and (ii) being 100 parts by weight, and (iii) 0.01 to 10 parts by weight of at least one monomer selected from the group of (1) an unsaturated carboxylic acid or derivative thereof, (2) an unsaturated epoxy monomer and (3) and unsaturated hydroxy monomer and (b) a layer of a polyamide, polyurethane or polyester.

Claim 3

A laminate according to claim 1, wherein the said blend further comprises (iv) 0 to 100 parts by weight of a peroxide-non-crosslinking rubbery substance and/or (v) 0 to 100 parts by weight of a mineral oil type softener.

Claim 4

A laminate according to claim 1 or claim 2 wherein the amount of the peroxide-crosslinking olefin copolymer rubber (i) is 60 to 95 parts by weight and the amount of the olefinic plastic (ii) is 5 to 40 parts by weight, the sum of the amount of the components (i) and (ii) being 100 parts by weight.

Claim 5

A composition according to any one of claims 1 to 3 wherein the crosslinking olefin copolymer (a) is a copolymer of ethylene, propylene and 5-ethylidene-2-norbornene or of ethylene, propylene, 5-ethylidene-2-norbornene and dicyclopentadiene.

Claim 6

A composition according to any one of claims 1 to 4 wherein the olefinic plastic (b) is selected from isotactic and syndiotactic homopolymers and copolymers resins of ethylene, 1-butene, 1-pentene, 1- hexene, 2-methyl-1-propane, 3-methyl-1-pentene, 4-methyl-1-pentene and 5-methyl-1-hexane.

Claim 7

A composition according to any one of claims 1 to 5 wherein the unsaturated epoxy monomer is selected from glycidyl acrylate, glycidyl methacrylate and glycidyl p-styrylcarboxylate, allyl glycidyl ether, 2-methylallyl glycidyl ether, o-allylphenol glycidyl ether, m-allylphenol glycidyl ether m-allylphenol glycidyl ether, p-allylphenol glycidyl ether, isopropenylphenol glycidyl ether, o-vinylphenol glycidyl ether, m-vinylphenol glycidyl ether and p-vinylphenol glycidyl ether, and 2-(o-vinylphenyl)-ethylene oxide, 2-(p-vinylphenyl)-ethylene oxide, 2-(o-vinylphenyl)-propylene oxide, 2-(p-vinylphenyl)-propylene oxide, 2-( 0 -allyl- phenyl)-ethylene oxide, 2-(p-allylphenyl)-ethylene oxide, 2-(o-allylphenyl)-propylene oxide, 2-(p-allylphenyl)-propylene oxide, p-glycidylstyrene, 3,4-epoxy-1-butene, 3,4-epoxy-3-methyl-1-butene, 3,4-epoxy-1-pentene, 3,4-epoxy-3-methyl-1-pentene, 5,6-epoxy-1-hexane, vinylcyclohexene mono-oxide, allyl-2,3-epoxy-cyclopentyl ether, mono-and di-glycidyl esters of maleic acid, itaconic aicd, citraconic acid, butene-tricarboxylic acid, endo-cis-bicyclo[2,2,1]hept-5-ene-2,3-dicarboxylic acid and endo-cis-bicyclo[2,2,1]hept-5-ene-2-methyl-2,3-dicarboxylic acid or the unsaturated hydroxy monomer is selected from hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methacrylate, hydroxypropyl methacrylate, polyethylene glycol monomethacrylate and polypropylene glycol monomethacrylate or the unsaturated carboxylic acid or derivative thereof is selected from acrylic acid, methacrylic acid, maleic acid, fumaric -acid, itaconic acid, citraconic acid, tetrahydrophthalic acid, bicyclo[2.2,1 ]hept-2-ene-5,6-dicarboxylic acid, maleic anhydride, itaconic anhyride, citraconic anhydride, tetrahydrophthalic anhydride, bicyclo[2,2,1]hept-2-ene-5,6-dicarboxylic anhydride, methyl acrylate, methyl methacrylate, dimethyl- maleate, monomethyl maleate, diethyl fumarate, dimethyl itaconate, diethylcitraconate, dimethyl tetrahydrophthalate dimethyl and bicyclo[2,2,1 ]hept-2-ene-5,6-dicarboxylate.

Claim 8

A process for producing a laminate according to any one of claims 1 to 6 comprising blending the peroxide crosslinking olefin copolymer, olefinic plastic and unsaturated carboxylic acid or derivative thereof, unsaturated epoxy monomer or unsaturated hydroxy monomer, dynamically heat treating the blend in the presence of an organic peroxide and laminating the partially cross-linked graft modified polyolefin elastomer thus produced with a polyamide, polyurethane or polyester layer.

Claim 9

A glass run channel having a groove-like body portion and a tongue-like strainer portion extending upwardly from the body portion, the channel being composed of an olefinic thermoplastic elastomer, the glass-contacting surface of the strainer portion having repeated fine convexities and concavities on the surface thereof and being laminated with a lubricating resin layer through a modified olefin thermoplastic elastomer layer such that the fine convexities and concavities are retained on the surface of the lubricating resin layer.

Claim 10

A glass run channel having a groove-like body portion and a tongue-like strainer portion extending upwardly from the body portion, the channel being composed of an olefinic thermoplastic elastomer, the glass-contacting surface of the strainer portion having repeated fine convexities and concavities on the surface thereof and being laminated with a lubricating resin layer through a modified olefin thermoplastic elastomer layer such that the fine convexities and concavities are retained on the surface of the lubricating resin layer.

Claim 11

A glass run channel according to claim 8 wherein the lubricating resin is a polyamide, thermoplastic polyurethane or polyester.

Claim 12

A glass run channel according to claim 9 formed of a laminate according any one of claims 1 to 6 or produced according to claim 7.