Process and device for producing transparent plastic films, shee

Details Process and device for producing transparent plastic films, shee Process and device for producing transparent plastic films, shee

1984-07-23

1986-01-07

Anderson, Philip

Stock material or miscellaneous articles

Composite

Of polyamidoester

264 17, 264 23, 264 24, 264 39, 264101, 264132, 26433119, 264338, 350321, 425101, 425115, B29D 1100

Patent

active

045633959

ABSTRACT:
The invention relates to the production of transparent plastic films, sheets or strips of excellent optical quality. It proposes a process for producing these products by casting of a composition suitable for casting on a horizontal, plane casting support, in continuous movement to obtain at least a layer, which after it has consolidated, is detached from its support, turned over, then by casting a composition on the face of the first layer which, when being formed, initially was in contact with the support, to obtain a second layer, the first layer being placed on a horizontal, plane casting support.

REFERENCES:
patent: 2063315 (1936-12-01), Kuettel
patent: 3968309 (1976-07-01), Matsuo et al.
patent: 4136214 (1979-01-01), Bourelier et al.
patent: 4145173 (1979-03-01), Pelzer et al.

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