Solid thermoplastic surfacing material

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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Details

524447, 525227, 525230, C08J 320, C08J 518, C08K 300

Patent

active

058563890

ABSTRACT:
A solid thermoplastic filler-filled surfacing material having a deep semi-translucent appearance, in the form of a thin, rigid sheet contains 19-25% polymethyl methacrylate, 19-25% styrene acrylonitrile copolymer, 5-20% styrene maleic anhydride copolymer, and 30-60% finely divided filler of barium sulfate, kaolin, basic aluminum oxalate and/or wollastonite.

REFERENCES:
patent: 4232078 (1980-11-01), Kamada et al.
patent: 4260692 (1981-04-01), Komai et al.
patent: 5418048 (1995-05-01), Daff et al.
patent: 5485145 (1996-01-01), Sniff
patent: 5658847 (1997-08-01), Goss et al.

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