Patent ID: 6706845
Filing Date: 2004-03-16
Classification: C08G,C08L

Abstract:
A resin that is not infinitely dilutable with water comprising the reaction product ofa. the reaction product of phenol and formaldehyde introduced in a molar ratio of formaldehyde to phenol of between about 1.20 and about 2.0 reacted at a temperature of between about 70 and about 90Â° C. in the presence of between about 0.01 and about 0.1 moles of alkaline catalyst per mole of phenol to form a resin precursor having a free formaldehyde concentration of less than about 0.5 weight % and b. a formaldehyde scavenger in quantity sufficient and at a temperature of between about 70 and about 90Â° C. for a time sufficient to produce a resin having a free formaldehyde concentration of less than about 0.15 weight % in the resin.