Preparing polyolefine based opaque film

Details Preparing polyolefine based opaque film Preparing polyolefine based opaque film

1984-11-05

1986-06-10

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

To form particulate product

264 23, 264132, 264145, 264171, 2642106, 264211, 264283, 264284, 264349, 523171, 524232, 524441, 524491, 524497, 524500, B29B 906, B29B 916

Patent

active

045942110

ABSTRACT:
A thin polyolefine based film, having a thickness of from about 15 to about 200 microns, which is perfectly non-transparent in spite of its low thickness. The film is composed of polyolefine as a homopolymer, an ethylene-vinyl acetate copolymer, and a pigment filler such as titanium dioxide as rutile, and aluminium powder. Color pigments and dispersing agents may also be present. The film is made by extrusion. It is used for table-clothes, book covers, protective sheets, wallpaper decoration, and, in pleated state, for flowerpot covers.

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patent: 4292266 (1981-09-01), Weder et al.
patent: 4302410 (1981-11-01), Beach
patent: 4490323 (1984-12-01), Thomson

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