Polymers derived from unsaturated polyesters by addition of comp

Details Polymers derived from unsaturated polyesters by addition of comp Polymers derived from unsaturated polyesters by addition of comp

1989-02-06

1991-08-06

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528293, 528299, 528296, 528297, 528303, 528306, 528374, 528376, 44300, C08G 63688

Patent

active

050379453

ABSTRACT:
Disclosed are polymers of average molecular weight ranging from 400 to 20,000 comprising thiosubstituted groups per molecule and resulting from the reaction, in the presence of an addition catalyst, of at least one compound with a thiol function, having 1 to 60 carbon atoms per molecule, with an unsaturated polyester resulting from the condensation of an aliphatic epoxide with an unsaturated aliphatic dicarboxylic compound comprising at least one ethylenic unsaturation in the alpha position of one of the carboxyl groups. Also disclosed are middle distillate compositions having a distillation range from 150.degree. to 450.degree. C. and comprising a minor proportion, preferably from 0.001 to 2% by weight, of at least one of the polymers defined hereinabove.

REFERENCES:
patent: 3382055 (1968-05-01), Jacobson et al.
patent: 3790358 (1974-02-01), Rossi et al.
patent: 3959103 (1976-05-01), Larsen
patent: 4135887 (1979-01-01), Rossi
patent: 4390688 (1983-06-01), Walz et al.
patent: 4776969 (1988-10-01), Ryer et al.

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