Process for the production of white melamine-phenol-aldehyde...

C - Chemistry – Metallurgy – 08 – G

Patent

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402/46, 400/7329

C08G 14/10 (2006.01) C08K 3/32 (2006.01) C08K 3/38 (2006.01) C08L 61/34 (2006.01)

Patent

CA 1134525

Abstract Resins which are substantially white and resistant to yello- wing are obtained by the addition of ammonium or alkali phosphates or ammonium or alkali borates during the production or processing of melamine-phenol-aldehyde resins in an aqueous basic medium, and by subsequently obtaining the resin by dehydration at a temperature of at least 70°C.

334948

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