Thermoplastic copolyesters based on poly-1,4-butylene terephthal

Details Thermoplastic copolyesters based on poly-1,4-butylene terephthal Thermoplastic copolyesters based on poly-1,4-butylene terephthal

1978-04-03

1979-03-20

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

C08G 6318

Patent

active

041453352

ABSTRACT:
Copolyesters which are based in poly-1,4-butylene therephthalate and contain 2,5-15 mol %, relative to the polyester, of branched aliphatic dicarboxylic acids with 7-30 C-atoms are outstandingly suitable for the manufacture of mouldings having improved toughness properties.

REFERENCES:
patent: 3436301 (1969-04-01), McHale
patent: 3682863 (1972-08-01), McHale
patent: 3864314 (1975-02-01), Modler et al.

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