Paper

D - Textiles – Paper – 21 – H

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9/69

D21H 5/20 (1980.01)

Patent

CA 1140707

B 30595 Abstract Paper An amino-aldehyde, eg urea-formaldehyde, resin is converted into fibres and used to form at least 1% by weight of the fibrous com- ponent of paper. The resin fibres, which are free of bound in- organic oxyacid radicals and carbohydrate, have a degree of cure of between 50 and 90%. The use of such partially cured resin fibres gives an improvement in the strength of the paper.

343931

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