Polymerizable liquid sealants for impregnating cast metal and po

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ethylenically unsaturated reactant admixed with either...

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525 39, 525 48, C08F 3600, C08F 3620

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active

052122336

ABSTRACT:
Thermally curable liquid sealants for impregnating the pores of cast metal articles and powdered metal articles including a combination of five polymerizable components within stated percentage ranges essential to providing sealants that, when cured, have low weight loss when tested for heat resistance, low weight gain when tested for chemical resistance upon submersion in water, brake fluid and antifreeze, and superior sealability characteristics.

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patent: 4147821 (1979-04-01), Young
patent: 4165400 (1979-08-01), DeMarco
patent: 4416921 (1983-11-01), Dunn
patent: 4451523 (1984-05-01), Nativi et al.
patent: 4479986 (1984-10-01), Juday
patent: 4632945 (1986-12-01), Garcia et al.

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