Resin for a sizing composition, a process for its preparation an

Details Resin for a sizing composition, a process for its preparation an Resin for a sizing composition, a process for its preparation an

1987-01-20

1987-12-01

Schain, Howard E.

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273897, 427421, 428361, 428375, 428392, 428394, 524595, 524596, 525504, 528164, C08G 1408

Patent

active

047104066

ABSTRACT:
A condensation product of phenol, formaldehyde and urea condensed in the presence of a basic catalyst, said condensation product being a liquid and having a free phenol content below 0.5%, a free formaldehyde content below 3%, expressed by weight based on the total weight of liquid, and a dilutability, measured at 20.degree. C., of at least equal to 1000%.

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