Fuel barrier thermoplastic resin composition and shaped article

Details Fuel barrier thermoplastic resin composition and shaped article Fuel barrier thermoplastic resin composition and shaped article

2008-01-29

2008-01-29

Harlan, Robert D. (Department: 1713)

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

Synthetic resins

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

C525S178000, C525S179000, C428S500000, C428S523000

Reexamination Certificate

active

11017714

ABSTRACT:
The thermoplastic resin composition of the invention comprises (A) 50 to 97% by weight of a polyolefin, (B) 2 to 45% by weight of a polyamide resin comprising a diamine component and a dicarboxylic acid component and (C) 1 to 45% by weight of a modified polyolefin and/or styrene copolymer. The polyamide resin is specified by that at least 70 mol % of the diamine component is a constitutional unit derived from m-xylylenediamine and at least 70 mol % of the dicarboxylic acid component is a constitutional unit derived from a C4-C20straight-chain α,ω-aliphatic dicarboxylic acid and isophthalic acid in a molar ratio of 3:7 to 10:0. With such a chemical component, the thermoplastic resin composition exhibits excellent fuel barrier properties, heat resistance and moldability.

REFERENCES:
patent: 1 122 113 (2001-08-01), None
patent: 1 241 221 (2002-09-01), None
patent: 1 475 403 (2004-05-01), None
patent: 1 475 403 (2004-11-01), None

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