Material in sheet form, convertible into a finished product by m

Details Material in sheet form, convertible into a finished product by m Material in sheet form, convertible into a finished product by m

1985-08-21

1987-02-24

Chin, Peter

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

162145, 162146, 162158, 1621681, 162169, 162206, 162224, 162225, D21H 102

Patent

active

046455655

ABSTRACT:
The present invention relates to a material in sheet form, used in a process of moulding-stamping or heat-forming involving melting of the thermoplastics resin contained in said material, said material in sheet form being prepared by the papermaking technique and comprising from 20 to 95% of reinforcing fibres and from 80 to 5% of thermoplastics resin in powder form forming the basic mixture and, with respect to this mixture, from 5 to 25% of a polyolefin pulp, from 5 to 30% of a binding agent and from 0.2 to 10% of at least one flocculating agent. The invention also relates to the process for preparing said material in sheet form.

REFERENCES:
patent: 2962414 (1960-11-01), Arledter
patent: 3511750 (1970-05-01), Hider
patent: 3573158 (1971-03-01), Pall et al.
patent: 3674621 (1972-07-01), Miyamoto et al.
patent: 4084949 (1978-04-01), Biggins
patent: 4426470 (1984-01-01), Wessling et al.
patent: 4481075 (1984-11-01), Dailly et al.
patent: 4487657 (1984-12-01), Gomez

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