Patent · US Expired

Blends of grafted polyethylene with chlorinated polyethylene

US4824906A · kind A · utility

9Cited by

3References

6Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Wolfgang Honsberg · Wilmington, US
Royce E. Ennis · Silsbee, US

Key dates

Filing date	Mar 10, 1988
Grant date	Apr 25, 1989
Priority date	—
Expiry date	Mar 10, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L23/286
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A blend of 80-99 weight percent chlorinated polyethylene containing 15-60 weight percent chlorine with 20-1 weight percent of polyethylene containing up to 5 weight percent chlorine and 0.5-5 weight percent of a grafted unsaturated dicarboxylic acid or anhydride is disclosed. The preferred chlorinated polyethylene is made by chlorinating a blend of high and low density polyethylene.

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