Process for producing internally plasticized phenolic resins

Details Process for producing internally plasticized phenolic resins Process for producing internally plasticized phenolic resins

1978-08-28

1980-06-24

Griffin, Ronald W.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 19EP, C08G 810, C08G 820, C08G 832

Patent

active

042094291

ABSTRACT:
Internally plasticized phenolic resins suitable for use in preparing laminates and the like excellent in electrical properties, heat resistance, solvent resistance as well as punchability are produced by reacting a phenol-formaldehyde resin containing less than 4% by weight of unreacted free monohydric phenol or phenols with an epoxidized vegetable oil, and if required with formaldehyde, with heating preferably in the presence of one or more secondary and/or tertiary amines.

REFERENCES:
patent: 1947415 (1934-02-01), Heck
patent: 3256222 (1966-06-01), Dalibor et al.
patent: 3947393 (1976-03-01), Sato et al.

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