C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 14/06 (2006.01)
Patent
CA 2522305
A low-nitrogen content, high molecular weight, phenol-formaldehyde resin. The low-nitrogen content, high molecular weight, phenol-formaldehyde resin has a nitrogen content of from about 0 to 3%, is an aqueous solvent-free solution, has a molar ratio of formaldehyde to phenol of 1.2 to 3.0, a viscosity of less than about 500 cps at 20°C, an alkalinity level of about 5% to 15% and a percent solids of 10% to 60%.
Smart & Biggar
Weyerhaeuser Company
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