Production of formaldehyde resin fibres

Details Production of formaldehyde resin fibres Production of formaldehyde resin fibres

D - Textiles, Paper

01

F

18/506

D01F 1/02 (2006.01)

Patent

CA 1118974

ABSTRACT Formaldehyde resin fibres, in particular urea formaldehyde resin fibres, are produced by introducing a liquid formaldehyde resin and a catalyst into a spinning cup in the presence of cold humid air which inhibits drying and reaction, centrifugally spinning fibres from the cup into the path of hot air currents, at between 50°C and 100°C, which dry the fibres without curing them, and curing and chemically stabilising the dry fibres by heating at above 100°C until they are insoluble in cold water, The fibres are useful in paper-making,

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