Patent · US Expired

Silk-like film

US4987191A · kind A · utility

2Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 22, 1989
Grant dateJan 22, 1991
Priority date
Expiry dateJun 22, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L23/0815
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A silk-like polyethylene plastic film is disclosed, comprising an extrusion molded film of a mixture of (A) an ethylene/methacrylate copolymer having a methacrylate content of from 10 to 40 weight % and an MFR of from 0.5 to 40 g/10 min. with (B) polyethylene having an MFR of from 0.02 to 5.0 g/10 min., said mixture having amethacrylate content of from 7 to 25 weight % and an MFR ratio of the component (A) to the component (B) of from 0.05 to 120. This silk-like film has no reflective gloss, opacity, soft and smooth touch, and which sounds low when it is crumpled. Thus it is preferably used as throwaway rainwears, medical sheets, etc.

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