Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1997-01-21
1998-06-09
Yoon, Tae
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
524594, 524596, 525504, 156335, 428528, C08G 804, C08L 6110, C09J16110, B32B 2108
Patent
active
057635595
ABSTRACT:
A guanidine-modified phenol-formaldehyde resole resin by reacting formaldehyde and phenol at a formaldehyde to phenol mole ratio above about 1.5:1 in the presence of an effective amount of an alkaline catalyst and in the presence of a catalytic amount of a guanidine salt. The resin is suitable for use in adhesives for high moisture content substrates.
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Georgia-Pacific Resins Inc.
Yoon Tae
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