Nontacky shaped objects from polymer latices

Details Nontacky shaped objects from polymer latices Nontacky shaped objects from polymer latices

1977-09-30

1980-07-15

Dixon, Jr., William R.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428404, 428407, 427212, 525330, B32B 518

Patent

active

042129184

ABSTRACT:
Nontacky, elastomeric shaped objects (e.g., pellets or filaments) comprising a normally tacky, uncured elastomer having an integral, porous coating of silicic or aluminic acid polymer can be prepared by bringing shaped bodies of a normally tacky, uncured elastomer latex into contact with an aqueous bath containing a soluble coagulating salt for the latex, and a silicic or aluminic acid polymer, and washing and drying the resulting coated shaped objects. The shaped objects are highly porous before washing and drying, and some porosity remains even after washing and drying.

REFERENCES:
patent: 2879173 (1959-03-01), Yacoe
patent: 2885366 (1959-05-01), Iler
patent: 3051677 (1962-08-01), Rexford
patent: 3053824 (1962-09-01), Heinz
patent: 3199851 (1965-06-01), Maass et al.
patent: 3257350 (1966-06-01), Maass et al.
patent: 3846365 (1974-11-01), Berg et al.
patent: 3849363 (1974-11-01), Maass et al.
patent: 3969334 (1976-07-01), Shimizu et al.

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