C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
149/26, 149/5
C09K 13/00 (2006.01) C11D 7/22 (2006.01) H02K 15/00 (2006.01)
Patent
CA 1068199
STRIPPING COMPOSITION FOR THERMOSET RESINS AND METHOD OF REPAIRING ELECTRICAL APPARATUS ABSTRACT OF THE DISCLOSURE A stripper composition for thermoset resins is disclosed which comprises about 1 to about 99% of an aro- matic compound which has a boiling point over 180°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°C and is a rosin acid or a mono- or di-carboxylic fatty acid or an ester thereof. The composition also pre- ferably 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.
252228
Cargnel Louis A.
Edelman Leonard E.
Sprengling Gerhard R.
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