Patent · US Expired

Plastisol comprising a copolymer of methyl methacrylate and itaconic or its anhydride

US4558084A · kind A · utility

5Cited by

3References

5Claims

0Family size

Assignee

Rohm Co., Ltd. · JP

Inventors

Peter Quis · Darmstadt, DE
Werner Siol · Pfungstadt, DE
Joachim Buechse · Trebur, DE
Hubert Rauch · Weiterstadt, DE

Key dates

Filing date	Sep 20, 1982
Grant date	Dec 10, 1985
Priority date	—
Expiry date	Sep 20, 2002

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31678
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

What are disclosed are plastisols of copolymers of methyl methacrylate with from 0.1 to 10 weight percent of itaconic acid or of itaconic acid anhydride, which copolymers have a glass transition temperature above 50.degree. C., a degree of polymerization higher than 400 and an average particle size ranging from 0.1 to 500 microns and contain, per 100 parts by weight of the copolymer, from 100 to 1000 parts by weight of an organic plasticizer compatible with the copolymer, and optional fillers and further conventional additives.

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