Heat curable compositions

Details Heat curable compositions Heat curable compositions

1979-11-28

1980-12-09

Foelak, Morton

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

2643281, 521 99, 521107, 521125, 521154, 521178, 521181, 521182, 526273, 526290, 528 92, 528139, 528275, 528361, 528409, C08J 444

Patent

active

042385873

ABSTRACT:
Diaryliodonium salts have been found to be effective thermal initiators for the polymerization of a variety of cationically polymerizable materials including epoxides, cyclic ethers, phenol formaldehyde resins, etc., when used in combination with various cocatalysts. Among the cocatalysts which have been found to be effective are, for example, copper chelates and mixtures of such copper chelates with various reducing agents such as ascorbic acid, tin.sup.+2 salts, etc.

REFERENCES:
patent: 3691133 (1972-09-01), Sura
patent: 4058401 (1977-11-01), Crivello
patent: 4069055 (1978-01-01), Crivello
patent: 4173551 (1979-11-01), Crivello

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