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US 8,709,610 B2Granted
Biaxially oriented film which could be thermally laminated with paper and other substrates
AssigneeDow Global Technologies LLC
InventorsXiao Bing Yun, Jian-ping Pan
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Abstract
Multilayer thermoplastic film structures are described which comprise at least two layers. One layer comprises a homopolymer polypropylene and a second layer, which is at least 3 microns thick, comprises a polyolefin material with a melting point of from 90° C. to 105° C. The film structures are particularly suited for lamination onto substrates such as paper or paper board.
Claims10
A film structure composition comprising:
- a. a first layer comprising homopolymer polypropylene
- b. a second layer comprising a polyolefin material selected from the group consisting of linear low density polyethylene resins, propylene based elastomers and plastomers, and olefin block copolymers, wherein said polyolefin material has a melting point of from 90° C. to 105° C.;
- and
- wherein the second layer is at least 3 microns thick.
1 more element
Paperboard having a film structure laminated thereto wherein the film structure comprises:
- a. a first layer comprising homopolymer polypropylene
- b. a second layer comprising a polyolefin material selected from the group consisting of linear low density polyethylene resins, propylene based elastomers and plastomers, and olefin block copolymers, wherein said polyolefin material has a melting point of from 90° C. to 105° C.;
- and
- wherein the second layer is at least 3 microns thick.
1 more element
Dependencies are inferred from the claim text.