Process for manufacturing paper-like synthetic sheet

Details Process for manufacturing paper-like synthetic sheet Process for manufacturing paper-like synthetic sheet

1974-05-06

1976-04-27

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Utilizing non-aqueous suspending medium

162146, 162157R, 162162, 264121, D21H 520, D21H 526

Patent

active

039532828

ABSTRACT:
A polyolefin micro-flake aggregation which is easily micro-flakable from the aggregation into a plurality of irregularly shaped micro-flakes suitable for producing synthetic paper, is manufactured from a solution of 5 - 40% by weight of polyolefin such as polyethylene and polypropylene in a solvent such as hydrocarbons and chlorinated hydrocarbons in the presence of a surface active compound of at least 0.01% based on the weight of the polyolefin by spraying the solution which is at a temperature of at least 100.degree.C from a closed container into atmosphere through an orifice.
A polyolefin synthetic paper is formed from a suspension of the micro-flakes in an organic liquid such as hydrocarbons and chlorinated hydrocarbons which can swell or partially dissolve the polyolefin.

REFERENCES:
patent: 3016599 (1962-01-01), Perry, Jr.
patent: 3770856 (1973-11-01), Ueki et al.
patent: 3806405 (1974-04-01), Heidweiller

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