Latex blend binder compositions for asbestos sheets

Details Latex blend binder compositions for asbestos sheets Latex blend binder compositions for asbestos sheets

1978-06-21

1980-06-24

Michl, Paul R.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

260 297W, 260 4247, 260 4255, C08K 712

Patent

active

042095620

ABSTRACT:
A binder composition for asbestos fibers comprises a latex blend in which the dispersed phase comprises (1) from about 80 to 99.5 weight percent of a synthetic rubber and (2) from about 0.5 to 20 weight percent of a highly carboxylated polymer. The highly carboxylated polymer is a copolymer or terpolymer containing (1) an .alpha.,.beta.-unsaturated carboxylic acid, (2) an alkyl ester of an .alpha.,.beta.-unsaturated carboxylic acid, and optionally (3) an ethylenically unsaturated organic monomer which is copolymerizable with monomers (1) and (2) to form a stable latex.

REFERENCES:
patent: 3035004 (1962-05-01), Glavis
patent: 3652497 (1972-03-01), Junas
patent: 3660148 (1972-05-01), Heron
patent: 3894980 (1975-07-01), De Tommaso
patent: 3968072 (1976-07-01), Barna

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