Reactive liquid polymers

Details Reactive liquid polymers Reactive liquid polymers

1979-09-06

1981-03-17

Nielsen, Earl A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

528408, 528409, 528419, 528421, 560100, 560209, 560223, 560224, 525403, C08G 6524

Patent

active

042569044

ABSTRACT:
Terminally unsaturated liquid epihalohydrin polymers are produced by polymerizing at least one epihalohydrin using acrylic acid or methacrylic acid as a modifier. The polymerization is conducted in the presence of a catalytic amount of a trialkyl oxonium salt of an HMF.sub.6 acid wherein M is an element selected from the group consisting of phosphorus, arsenic and antimony. The polymers are useful as tougheners for unsaturated polyester resin systems.

REFERENCES:
patent: 3850856 (1974-11-01), Dreyfuss
patent: 3850857 (1974-11-01), Dreyfuss
patent: 3951888 (1976-04-01), Isayama et al.
patent: 3993684 (1976-11-01), Dunnavant et al.

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