Patent · US Expired

Polymer blend composition for forming polyethylene film

US4330639A · kind A · utility

33Cited by
5References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 1980
Grant dateMay 18, 1982
Priority date
Expiry dateDec 22, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2314/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Provided is a polymer composition for forming polyethylene film comprising an ethylene/C.sub.3 -C.sub.8 .alpha.-olefin copolymer having an intrinsic viscosity of 1.3 to 8.7 dl/g determined in decalin at 135.degree. C. and a density of 0.850 to 0.930 and an ethylene polymer having a melt index of 0.01 to 0.2, a flow parameter of 1.9 to 2.8 and a density not lower than 0.940.

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