Stable mixtures of colloidal silica and a film-forming polymer

Details Stable mixtures of colloidal silica and a film-forming polymer Stable mixtures of colloidal silica and a film-forming polymer

1991-03-13

1992-06-02

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524442, 524443, 524444, 524492, 524493, 524847, C08K 908, C08K 336

Patent

active

051187272

ABSTRACT:
Binder compositions are disclosed that include silica aquasols having silica that is metal-modified to include a monolayer or less of a metal such as aluminum, tin, zinc or lead, and deionized to a pH of 2,5-7.0 and a water soluble polymer such as poly(vinyl alcohol).
An adhesive that includes a silica aquasol, an oxygen-moiety containing polymer, and clay, the surface of the silica being modified to include a metal, and the silica aquasol being deionized to a pH of 2.5 to 7.

REFERENCES:
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patent: 3520242 (1970-07-01), Kemp et al.
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patent: 3769044 (1973-10-01), Horton
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patent: 4064083 (1977-12-01), Horton et al.
patent: 4600735 (1986-07-01), Larsson et al.
Journal of Colloid and Interface Science, vol. 51, No. 3, Jun. 1975, pp. 388-393.

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