Styrenic thermoplastic resin blend

Details Styrenic thermoplastic resin blend Styrenic thermoplastic resin blend

2007-06-25

2009-08-04

Egwim, Kelechi C (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S077000, C524S504000, C524S507000, C524S509000, C524S515000, C524S565000, C524S577000, C525S066000, C525S077000, C525S080000, C525S392000, C525S395000

Reexamination Certificate

active

07569628

ABSTRACT:
The present invention relates to a styrenic thermoplastic resin composition, and more particularly to a styrenic thermoplastic resin composition comprising a non-halogen flame-retardant having superior flame-retarding properties and impact strength.The present invention provides a flame-retarding styrenic thermoplastic resin composition comprising a) 100 weight parts of a base resin comprising i) 10 to 50 weight parts of a rubber-modified styrene-containing graft copolymer, ii) 5 to 20 weight parts of phenol novolac resin, and iii) 20 to 70 weight parts of a styrene-containing copolymer; and b) 5 to 20 weight parts of an aromatic phosphate. In addition, the a) base resin may further comprise iv) 10 to 40 weight parts of a thermoplastic polyurethane resin.

REFERENCES:
patent: 5605962 (1997-02-01), Suzuki et al.
patent: 5900446 (1999-05-01), Nishihara et al.
patent: 6093760 (2000-07-01), Nishihara et al.

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