Process for manufacturing a synthetic microflake aggregate

Details Process for manufacturing a synthetic microflake aggregate Process for manufacturing a synthetic microflake aggregate

1974-05-06

1976-02-03

Levin, Stanford M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

162102, 162168R, 260 23H, 260 882B, 260 937, 260 949F, 260 949GD, C08F 612

Patent

active

039365123

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: 2766157 (1956-10-01), Peterson
patent: 2999788 (1961-09-01), Morgan
patent: 3047455 (1962-07-01), Holmes et al.
patent: 3080272 (1963-03-01), Jackson
patent: 3123518 (1964-03-01), Bundy
patent: 3223581 (1965-12-01), Sommer et al.
patent: 3386488 (1968-06-01), Ratzsch et al.

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