Transparent polyblends
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 1, 1991
Grant Date -
N/A
app pub date -
Nov 27, 1989
filing date -
Dec 12, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a polyblend comprising from 20 to 80% of a polymer A and from 80 to 20% of a polymer B, based on the total weight of polymers A and B in the polyblend, and wherein: Polymer A is a copolymer of 35 to 65% of methyl methacrylate and 35 to 65% of styrene grafted on butadienestyrene rubber, methyl methacrylate being partially replaceable by an acrylic ester, and either methyl methacrylate or grafting styrene being partially replaceable by acrylonitrile; and Polymer B is a copolymer of from 20 to 60% of a vinylaromatic hydrocarbon monomer, from 20 to 60% of a C.sub.1 -C.sub.4 -alkyl acrylate or a C.sub.1 -C.sub.4 -alkyl methacrylate ester, and from 12 to 30% of maleic anhydride or maleimide or a N-substituted maleimide or a mixture of such maleic acid derivatives. The polyblends have heat resistance, transparency and impact strength.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully