Pigment-free coating compositions

Details Pigment-free coating compositions Pigment-free coating compositions

1976-06-21

1977-05-31

Ziegler, J.

Stock material or miscellaneous articles

Composite

Of polycarbonate

260 292M, 351166, 428447, 428480, 428500, B32B 904

Patent

active

040270734

ABSTRACT:
An acidic dispersion of colloidal silica and hydroxylated silsesquioxane in an alcohol-water medium is coated onto solid substrates, such as acrylic lenses, to provide an abrasion resistant coating.

REFERENCES:
patent: 2568384 (1951-09-01), Cheronis
patent: 2610167 (1952-09-01), Te Grotenhuis
patent: 2786042 (1957-03-01), Iler
patent: 3435001 (1969-03-01), Merrill
patent: 3560244 (1971-02-01), Neuroth
patent: 3775171 (1973-11-01), Hermes
patent: 3808027 (1974-04-01), Anderson et al.

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