Blocked acid catalysts

Details Blocked acid catalysts Blocked acid catalysts

1987-09-03

1989-05-30

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...

260505R, 260505C, 502159, 502167, 502168, 528254, 525162, 525163, 525428, 525443, 525456, C08L 6120

Patent

active

048352276

ABSTRACT:
Sulfonic acids blocked by reaction with glycidamides. The blocked acids are used as catalysts for resin curing systems 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: 4582894 (1986-04-01), Pfohl

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