Fibrous materials

Paper making and fiber liberation – Processes and products – Plural fiber containing

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Details

1621572, 162206, D21H 512

Patent

active

044054076

ABSTRACT:
Fibrous materials in the form of shaped articles such as paper are made from heat-cured amino-formaldehyde resin fibres having a degree of cure of at least 93%, optionally in admixture with other fibres. The amino-formaldehyde resin fibres are welded to one another and/or to the other fibres. The welding is brought about by subjecting the shaped article to pressure and to heat in the presence of water.

REFERENCES:
patent: 3101294 (1963-08-01), Fridrichsen
patent: 4138445 (1979-02-01), Nogi et al.
patent: 4172057 (1979-10-01), Henbest
patent: 4202959 (1980-05-01), Henbest et al.
patent: 4268351 (1981-05-01), Henbest et al.

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