Foamed caps and closure seal comprising polyethylene foam
AssigneesSaudi Basic Industries Corporation, Sabic Global Technologies B.V.
InventorsJohan Maria Krist, Emanuel Joseph Herman Marie Van der Ven, Douwe Wiebe van der Meer
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Abstract
The invention is directed to foamed caps and closure seals comprising as one of the layers polyethylene foam. The polyethylene foam is obtained by foaming of low density polyethylene copolymer obtained by a high pressure polymerization process in the presence of 1,4-butanediol dimethacrylate.
Claims16
Foamed caps and closure seal comprising as one of the layers polyethylene foam wherein the foam is obtained by foaming of low density polyethylene copolymer obtained by a high pressure polymerisation process in the presence of 1,4-butanediol dimethacrylate.
Dependencies are inferred from the claim text.