Writing screen

Stock material or miscellaneous articles – Composite – Of fluorinated addition polymer from unsaturated monomers

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Details

428207, 428422, B32B 2706

Patent

active

047465760

ABSTRACT:
A writing screen comprising a substrate and an overlayer on the surface thereof of a film comprising a vinylidene fluoride copolymer resin having a ratio of the existing amount of fluorine atoms (F) and that of carbon atoms (C), F/C, on the surface in the range of 0.6 to 1.5. The screen has excellent marker suitability and resistance to surface damage.

REFERENCES:
patent: 3922457 (1975-11-01), Barnwell et al.
patent: 4335238 (1982-06-01), Moore et al.
patent: 4563393 (1986-01-01), Kitagawa et al.
patent: 4615943 (1986-10-01), Sakagami et al.

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