Perchloroethylene stabilized with aromatic phenols

Details Perchloroethylene stabilized with aromatic phenols Perchloroethylene stabilized with aromatic phenols

H - Electricity

01

B

31/100

H01B 3/24 (2006.01) C07C 17/42 (2006.01) H01B 3/30 (2006.01)

Patent

CA 1195101

ABSTRACT OF THE DISCLOSURE Disclosed is a method of inhibiting the attack by perchloroethylene on organic polymers subject to said attack, such as parylene, by adding to perchloroethylene about 0.01 to about 0.5% by weight of an aromatic phenol stabilizer such as hydroquinone, di-tert-butyl paracresol, 8-hydroxy quinoline, resorcinol, phloroglucinol, pyrocate- chol, pyrogallol, or mixtures thereof; particularly pre- ferred is hydroquinone. Also disclosed is an electrical apparatus containing an organic polymer subject to attack by perchloroethylene, perchloroethylene, and the stabil- izer.

435489

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