Linear copolyesters containing tertiary butyl isophthalic acid

Details Linear copolyesters containing tertiary butyl isophthalic acid Linear copolyesters containing tertiary butyl isophthalic acid

1979-08-02

1980-09-16

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528309, C08G 6318

Patent

active

042231264

ABSTRACT:
Novel compositions of matter comprising polymethylene terephthalate t-butyl isophthalate copolyesters wherein the t-butyl isophthalate repeating units range from 1 to 50 mole percent and the ethylene terephthalate repeating units range from 99 to 50 mole percent, said percentages being based on the sum of the moles of ethylene terephthalate and t-butyl isophthalate repeating units in said compositions.

REFERENCES:
patent: 2965613 (1960-12-01), Milone et al.
patent: 3365425 (1968-01-01), Watson

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