Stripping composition for thermoset resins and method of repairi

Details Stripping composition for thermoset resins and method of repairi Stripping composition for thermoset resins and method of repairi

1977-04-25

1979-09-25

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

Using sequentially applied treating agents

134 30, 134 38, 252143, 252170, 252171, 252546, B08B 308, C11D 726, C11D 732, C11D 750

Patent

active

041689895

ABSTRACT:
A stripper composition for thermoset resins is disclosed which comprises about 1 to about 99% of an aromatic compound which has a boiling point over 180.degree. C. and is a phenol or a primary or secondary amine, and about 1 to about 99% of a carboxylic acid compound which has a boiling point over 180.degree. C. and is a rosin acid or a mono- or di-carboxylic fatty acid or an ester thereof. The composition also preferably includes sufficient hydrogen bonding compound to react with any acid present in the composition plus about 20 to about 50% in excess of that amount. A swelling agent is also preferably included.

REFERENCES:
patent: 2242106 (1941-05-01), Buckman
patent: 2398242 (1946-04-01), Morgan et al.
patent: 2443173 (1948-06-01), Baum et al.
patent: 2689198 (1954-09-01), Judd
patent: 2939209 (1960-06-01), Schwartz
patent: 3216945 (1965-11-01), Mankowich
patent: 3563900 (1971-02-01), Murphy
patent: 3669740 (1972-06-01), Yamamoto et al.
patent: 3681250 (1972-08-01), Murphy
patent: 3813343 (1974-05-01), Mukai et al.
Hackh's Chem. Dictionary, 1969, p. 580.

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