High melt strength elastometric copolyesters

Details High melt strength elastometric copolyesters High melt strength elastometric copolyesters

1981-09-21

1983-06-28

Griffin, Ronald W.

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

Synthetic resins

From carboxylic acid or derivative thereof

5282953, C08G 6366, C08G 6318

Patent

active

043906877

ABSTRACT:
An elastomeric copolyester resin having high melt strength and capable of being blow-molded. The copolyester resin is made by adding to the polymerizing or initial mixture small amounts of an alkali salt of a dialkyl sulfoisophthalate. The copolyester resin contains units of terephthalic acid, butane diol, polytetramethylene glycol, and dimer acid.

REFERENCES:
patent: 3033824 (1962-05-01), Huffman
patent: 3725348 (1973-04-01), Harrison et al.
patent: 3725351 (1973-04-01), Harrison et al.
patent: 4233196 (1980-11-01), Sublett
patent: 4254001 (1981-03-01), Tung

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