Process for the preparation of a phenol-formaldehyde resin

Details Process for the preparation of a phenol-formaldehyde resin Process for the preparation of a phenol-formaldehyde resin

1993-08-17

1994-10-25

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528129, 528138, 528144, 528145, 528147, 528148, C08G 804

Patent

active

053590244

ABSTRACT:
The invention relates to a process for the preparation of a phenol-formaldehyde resin by causing phenol and formaldehyde to condense under the influence of a basic catalyst, the catalyst being an aqueous solution containing alkali metal ions, carbonate ions, ions of carboxylic acids and one or more ions chosen from the group comprising transition metal ions and borates.

REFERENCES:
patent: 3946077 (1976-03-01), Thiel et al.
patent: 4233408 (1980-11-01), Satterly et al.
patent: 4950433 (1990-08-01), Chiu

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