Coating film having water repellency and low refractive index

Details Coating film having water repellency and low refractive index Coating film having water repellency and low refractive index

1996-11-15

1998-09-01

Nakarani, D. S.

Stock material or miscellaneous articles

Composite

Of silicon containing

427168, 427169, 427387, 428429, 428451, 528 26, 528 265, 528 42, B32B 904, C03C 1702

Patent

active

058009264

ABSTRACT:
A coating film having a refractive index of from 1.28 to 1.38 and a contact angle of water of from 90.degree. to 115.degree., adhered on a substrate surface, and prepared by reacting a particular tetraalkylsilicate, a particular fluorine-containing silicon compound, a particular hydroxy-containing compound, and oxalic acid in a particular range of ratios and in the absence of water, and under further specified reaction conditions.

REFERENCES:
patent: 4024306 (1977-05-01), Takamizawa et al.
patent: 4549003 (1985-10-01), Lim et al.
patent: 4687707 (1987-08-01), Matsuo et al.
patent: 5394269 (1995-02-01), Takamatsu et al.

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