Sheet products and preparation process thereof

Details Sheet products and preparation process thereof Sheet products and preparation process thereof

1983-01-10

1984-11-06

Chin, Peter

Paper making and fiber liberation

Processes and products

Plural fiber containing

162146, 1621641, 1621681, 162169, 162175, 1621811, 162183, 428281, 428288, D21H 518

Patent

active

044810750

ABSTRACT:
New process, for preparing by means of a paper manufacturing technique, a thermoplastic sheet reinforced with cellulose fibres, wherein a thermoplastic powder and cellulose fibres are used in association, if necessary with other fibres, and consisting in (1) preparing an aqueous suspension from a base mixture (selected among (i) the fibres and the pulverulent thermoplastic substance when there is no non-binding mineral charge, and (ii) the fibres, the pulverulent thermoplastic substance and the non-binding mineral char harge when the latter is present), an organic binder and a flocculating agent, and with the resulting suspension, forming a sheet by wet process, which is then wrung and dried and (2) if necessary subjecting the resulting thermoplastic sheet to at least a complementary treatment, the weight ratio of pulverulent thermoplastic substance to fibres being between 0.3 and 95. Thermoplastic reinforced sheets as a novel industrial product and application thereof particularly in the firld of transformation of plastic materials.

REFERENCES:
patent: 2601597 (1952-06-01), Daniel
patent: 2955067 (1960-10-01), McBurney
patent: 3184373 (1965-05-01), Arledter
patent: 4002527 (1977-01-01), Piersol
patent: 4269657 (1981-05-01), Gomez
patent: 4274916 (1981-06-01), Grose

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