Polymeric-shaped article

Details Polymeric-shaped article Polymeric-shaped article

1978-02-17

1980-02-26

Hess, Bruce H.

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

Flora

428207, 428208, 428242, 428328, 428409, B32B 516

Patent

active

041906896

ABSTRACT:
A polymeric-shaped article for use as film such as microfilm, overhead projector film, reprographic film, layout base, etc., and for insulating capacitors, which has excellent transparent, slippery and dielectric properties, and the process for realizing the same, the polymeric-shaped article having a polar surface such as polyester, polyamide, polyolefins, polyimide, polyvinyl alcohol, polyethylene terephthalate or polyethylene-2,6-naphthalate, to which is bonded a multiplicity of nodules of TiO.sub.2, each nodule having a diameter in the range of from about 0.01 to about 10 .mu.m, a height or thickness in the range of from about 0.01 to about 0.5 .mu.m, and an area ratio of TiO.sub.2 to total surface of from about 0.01 to about 50%; and the process being that of exposing at least one side of the surface of the article to water vapor and bringing a tetrafunctional titanium compound such as TiCl.sub.4, tetraethyltitanate, tetraisopropyltitanate, tetra-n-butyltitanate or mixture thereof, into contact with the surface, the processing temperature being at least greater than 30.degree. C.

REFERENCES:
patent: 3616184 (1971-10-01), Katagiri et al.
patent: 3808027 (1974-04-01), Anderson et al.

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