Thermoplastic molding materials having high transparency prepare

Details Thermoplastic molding materials having high transparency prepare Thermoplastic molding materials having high transparency prepare

1995-12-07

1997-03-18

Warzel, Mark

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525222, 525228, 525229, C08L 2514, C08L 3302, C08L 3310

Patent

active

056124171

ABSTRACT:
A thermoplastic polymethacrylate molding material with a high degree of thermal dimensional stability, a high degree of transparency, a high degree of flowability and a high degree of resistance against water, monomeric methylmethacrylate, mixtures consisting of ethanol and water, as well as fuel, wherein the molding material is a compatible mixture of
1 to 99 wt % of a copolymer P, made from (p1) 30 to 70 wt % styrene and/or .alpha.-methylstyrene, (p2) 29 to 70 wt % (C.sub.1 -C.sub.6 -alkyl)methacrylate, and (p3) 1 to 20 wt % acrylic acid and/or methacrylic acid, the sum of (p1), (p2), and (p3) adding up to 100 wt %, and
99 to 1 wt.-parts of a polymethylmethacrylate polymer PM, made of (pm1) 80 to 100 wt % methylmethacrylate, as well as (pm2) 0 to 20 wt % monomers which can be copolymerized with methylmethacrylate.

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patent: 5066718 (1991-11-01), Jiol et al.
patent: 5109072 (1992-04-01), Jiol et al.

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