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US 4,868,044 AGranted
Laminated structure comprising non-crosslinked foam as substrate
AssigneeShell Oil Company
InventorsHaruhiko Tanaka, Fukashi Kagawa, Kouji Nakashima
Life of this patent
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Abstract
A laminated structure comprising: (1) as a substrate, a non-crosslinked foam layer having an expansion ratio of 1.5 to 5 and composed of polybutene-1 or a blend of 100 parts by weight of polybutene-1 and up to 40 parts by weight of polyproylene and/or up to 30 parts by weight of polyethylene, and (2) laminated to one or both surfaces of the non-crosslinked foam layer, a film.
Claims18
A laminated structure comprising:
- one surface of the non-crosslinked foam layer, a film.
A laminated structure comprising:
- (1) as a substrate, a non-crosslinked foam layer having an expansion ratio of 1.5 to 5 and composed of a member of the group consisting of a blend of 100 parts by weight of polybutene-1 and up to 40 parts by weight of polypropylene and up to 30 parts by weight of polyethylene, and a blend of 100 parts by weight of polybutene-1 and up to 40 parts by weight of polypropylene, and
- (2) laminated to at least one surface of the non-crosslinked foam layer, a film.
Dependencies are inferred from the claim text.