Poly(oxyalkylene)-polyester-poly(sulfide)-polythiol prepared by

Details Poly(oxyalkylene)-polyester-poly(sulfide)-polythiol prepared by Poly(oxyalkylene)-polyester-poly(sulfide)-polythiol prepared by

1976-11-02

1978-09-12

Danison, Walter C.

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

Synthetic resins

From carboxylic acid or derivative thereof

560152, 560154, 528293, C08G 6368

Patent

active

041137078

ABSTRACT:
Poly(oxyalkylene)-polyester-poly(sulfide)-polythiol is prepared by ester interchange between an alkyl mercaptocarboxylate/dialkyl thiodicarboxylate mixture and a poly(oxyalkylene)-polyol. The resulting polymer is a liquid material having more than two, preferably at least three pendant thiol groups. This polymer exhibits exceptional stability and is well suited for sealant applications.

REFERENCES:
patent: 3817936 (1974-06-01), Jones et al.
patent: 3829526 (1974-08-01), Doss et al.
patent: 3850886 (1974-11-01), Doss
patent: 3931078 (1976-01-01), Marrs et al.
Korshak et al., Polyesters, Pergamon Press, London, England, (1965), pp. 13 & 14.
Roeser, Chemical Abstracts, vol. 59:126b, (1963).

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