Resin systems cured with blocked acid catalysts

Details Resin systems cured with blocked acid catalysts Resin systems cured with blocked acid catalysts

1987-09-03

1989-06-13

Pertilla, Theodore E.

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

Synthetic resins

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

525163, 525406, 525428, 525443, 525456, C08L 6100

Patent

active

048394270

ABSTRACT:
Resin systems cured with blocked acid catalysts formed by reaction of sulfonic acids with glycidamides. The blocked acids are used as catalysts and provide viscosity stability and pot life without significant decrease in catalytic activity in comparison with the corresponding free sulfonic acids.

REFERENCES:
patent: 4192826 (1980-03-01), Beresniewicz et al.
patent: 4200729 (1980-04-01), Calbo
patent: 4291137 (1981-09-01), Nakate et al.
patent: 4482698 (1984-11-01), Reesink
patent: 4582894 (1986-04-01), Pfohl
patent: 4699949 (1987-10-01), Berner et al.

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