Thermoplastic materials

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1986-05-21

1987-11-03

Lilling, Herbert J.

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...

524586, C08K 334, C08L 2302

Patent

active

047044241

ABSTRACT:
Various type A zeolites can be combined with thermoplastic materials to provide antiblock and improved optical properties to films or sheets of said thermoplastic. The zeolites are of less than full hydration, and at least a portion of the sodium is replaced with multivalent ions such as calcium and magnesium. The zeolites can also be acid treated to provide zeolites that contain hydronium ions.

REFERENCES:
patent: 4250081 (1981-02-01), Bode et al.
patent: 4307010 (1981-12-01), Sandler et al.
patent: 4371656 (1983-02-01), Kashiwase et al.
patent: 4464504 (1984-08-01), Kocsis et al.
patent: 4487810 (1984-12-01), Ascarelli et al.
patent: 4529750 (1985-07-01), Gimpel

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