Method for producing phenolic resin

Details Method for producing phenolic resin Method for producing phenolic resin

1993-01-28

1994-08-09

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528212, 528214, 568718, 568719, 568721, 568749, C08G 6378, C08G 6387

Patent

active

053367529

ABSTRACT:
A method is provided for producing a phenolic resin represented by the formula (I) ##STR1## wherein R.sup.1 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R.sup.2 is a divalent cyclic hydrocarbon residue having 5 to 18 carbon atoms, p is a number of from 0 to 10 and q is a number of 1 or 2. The method involves reacting a phenol with an unsaturated cyclic hydrocarbon compound having two or more carbon-carbon double bonding in the presence of an acid catalyst; and processing a resulting reaction product by a hydrotalcite compound represented by the formula (II)

REFERENCES:
patent: 2838474 (1958-06-01), Meis et al.
patent: 2864868 (1958-12-01), Bader
patent: 3625874 (1971-12-01), Cottman et al.
patent: 4056513 (1977-11-01), Lahourcade et al.
patent: 4927905 (1990-05-01), Bogan

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