Lignosulphonate phenolic resin binder

Details Lignosulphonate phenolic resin binder Lignosulphonate phenolic resin binder

C - Chemistry, Metallurgy

08

G

400/1402

C08G 8/28 (2006.01) C08L 61/14 (2006.01) C08L 97/00 (2006.01)

Patent

CA 1138589

ABSTRACT Modified phenol-formaldehyde resins, and processes for their preparation, are described wherein board or paper pulping process waste liquor is used as the modifier. The resins may contain, based on solids contents of both resin and waste liquor, from 1:10 to 10:1 parts by weight. These resins are cheaper than conventional resins and also use the waste-liquor without any purification step.

348416

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