Weather resistant theromplastic resin composition

Details Weather resistant theromplastic resin composition Weather resistant theromplastic resin composition

1996-09-10

1998-11-10

Warzel, Mark L.

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

Synthetic resins

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

525 71, 525 74, 525 78, 525 80, 525214, C08L 5104

Patent

active

058345582

ABSTRACT:
A styrenic thermoplastic resin composition comprising a mixture of: (A) 50-90 wt % of a styrenic polymer; (B) 5-35 wt % of a chlorinated polyethylene; (C) 5-35 wt % of a modified ethylene-propylenic rubber; and (D) 0-10 wt % of vinyl graft copolymer has superior weather resistance and mechanical properties such as impact strength and tensile properties. The resin composition also provides improved layer peeling tendency which is one of the most troublesome problems in conventional resins such as acrylonitrile-chlorinated polyethylene-styrene resins.

REFERENCES:
patent: 4528328 (1985-07-01), Rauade et al.
patent: 4537933 (1985-08-01), Walker et al.

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