Molded products of polypropylene

Details Molded products of polypropylene Molded products of polypropylene

1979-12-13

1981-08-11

Levin, Stanford M.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

5263481, 526351, B32B 2732, C08F11006

Patent

active

042834635

ABSTRACT:
A molded product of polypropylene having an isotactic pentad fraction of the boiling heptane insoluble portion of at least about 0.955 and a boiling heptane solubles content of about 2.0 to 9.0% by weight. The molded products include a stretched film, insulating materials for electrical equipment, etc.

REFERENCES:
patent: 4053697 (1977-10-01), Asada et al.
patent: 4182852 (1980-01-01), Shiga et al.
patent: 4185148 (1980-01-01), Sato et al.
patent: 4195145 (1980-03-01), Shiga et al.

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