Patent · US Expired

Heat-resistant laminate film

US4567090A · kind A · utility

12Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 10, 1985
Grant dateJan 28, 1986
Priority date
Expiry dateApr 10, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31935
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Disclosed herein is a heat-resistant laminate film comprising a gas-barrier layer of a copolymer of vinylidene chloride and at least one comonomer copolymerizable with vinylidene chloride, outer layers of polypropylene and two adhesive layers of polyolefin modified by acid and thermoplastic polyurethane, disposed between any of the above layers and bonded with each other, the modified polyolefin adhesive layer being bonded to the outer layer and the thermoplastic polyurethane adhesive layer being bonded to the gas-barrier layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.