Reaction products of sulfur dioxide and epoxy-containing materia

Details Reaction products of sulfur dioxide and epoxy-containing materia Reaction products of sulfur dioxide and epoxy-containing materia

1986-06-04

1987-05-26

Nielsen, Earl

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525524, 525502, 528 88, 528 90, 528 92, 528109, 528364, 427386, C08G 5916, C08G 5917, C08F28310

Patent

active

046687459

ABSTRACT:
Novel compositions are prepared by reacting sulfur dioxide with the reaction product of a material having an average of more than one 1,2-epoxide group per molecule such as a diglycidyl ether of bisphenol A with a monoethylenically unsaturated monocarboxylic acid such as methacrylic acid in the presence of an oxidizing agent such as cumene hydroperoxide.

REFERENCES:
patent: 3839282 (1974-10-01), Sweeny et al.
patent: 4049745 (1977-09-01), Shuster et al.
patent: 4518723 (1985-05-01), Woodson
"Mechanism of Formation of Polyolefins Sulfones Initiated by Hydroperoxide" by Vanhaeren and Butler, Polymer Preprints, Am. Chem. Soc. Div. of Polymer Chemistry, vol. 6, No. 1 (Apr. 1965) pp. 709-715.

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