Fluoropolymer-acrylic plastic composite and coextrusion method

Details Fluoropolymer-acrylic plastic composite and coextrusion method Fluoropolymer-acrylic plastic composite and coextrusion method

1991-09-17

1994-02-08

Buffalow, Edith

Stock material or miscellaneous articles

Composite

Of fluorinated addition polymer from unsaturated monomers

428522, 428511, 428463, B32B 2700

Patent

active

052847101

ABSTRACT:
The present invention relates to an extruded fluoropolymer-acrylic composite and a method of producing same. The extruded product of the present invention comprises a layer of at least one first polymeric substance comprising a mixture of: (1) from about 1 to about 70 percent by weight of at least one acrylic material, (2) at least one fluoropolymer, and (3) at least one inorganic pigment in sufficient amount to render the first polymeric substance reflective to infrared light and opaque to both ultraviolet light and light and light having a wavelength of about 350 to about 2500 nanometers; in contact with a layer of at least one second polymeric substance being of a chemical character so as to be amenable to adhesion to the at least one first polymeric substance in the extrusion product. The preferred embodiment of the invention method is conducted under vacuum.

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