Patent ID: 8598446

Claim:
A safety laminate comprising at least one interlayer sheet that is laminated to one or more rigid sheets, one or more other polymeric interlayer sheets, or one or more film layers; wherein the at least one interlayer sheet comprises an ethylene copolymer composition; and wherein the ethylene copolymer composition comprises a blend of Ethylene Copolymer 1 and Ethylene Copolymer 2; wherein said Ethylene Copolymer 1 consists essentially of copolymerized units of ethylene, optionally up to about 40 wt % of copolymerized units of a first olefin having a formula of CH 2 ═C(R 1 )CO 2 R 2 , and up to about 30 wt % of copolymerized units of a second olefin having a formula of CH 2 ═C(R 3 )COOH, wherein the weight percentages of the copolymerized units of the first olefin and of the second olefin are based on the total weight of said Ethylene Copolymer 1; wherein optionally at least a portion of the carboxylic acid groups of the second olefin are neutralized to form carboxylate salts; wherein R 1 represents hydrogen or an alkyl group, R 2 represents an alkyl group, and R 3 represents hydrogen or an alkyl group; and wherein said Ethylene Copolymer 2 consists essentially of copolymerized units of ethylene, optionally up to about 40 wt % of copolymerized units of the first olefin, and up to about 15 wt % of copolymerized units of a third olefin having a formula of CH 2 ═C(R 4 )-D, wherein the weight percentages of the copolymerized units of the first olefin and of the third olefin are based on the total weight of said Ethylene Copolymer 2; wherein R 4 represents hydrogen or an alkyl group; wherein -D represents a moiety selected from the group consisting of —CO 2 R 5 , —CO 2 R 6 -R 5 , —R 6 -R 5 , —O—R 5 , and —R 5 ; wherein R 5 represents a moiety containing an epoxy group and R 6 represents an alkylene group; wherein the blend composition being held at 120° C. for up to about 15 minutes is not cross-link to the extent that the blend composition becomes intractable for further processing; and with the proviso that, in the blend of Ethylene Copolymer 1 and Ethylene Copolymer 2, none of said first, second or third olefins is a dicarboxylic acid or a di-ester, mono-ester or anhydride of the dicarboxylic acid.