Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1991-04-19
1992-08-11
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526 88, 526341, 526335, C08F13606
Patent
active
051380056
ABSTRACT:
An unsaturated nitrile/conjugated diene copolymer rubber is prepared by an aqueous suspension polymerization of a monomer mixture of a conjugated diene monomer, a nitrile group-containing unsaturated monomer and an optional copolymerizable monomer. The suspension polymerization is carried out in an aqueous medium in a reactor provided with an agitating element under the following conditions:
REFERENCES:
patent: 3903201 (1975-09-01), Childers et al.
Numata Hiromi
Tsuji Suguru
Nippon Zeon Co. Ltd.
Schofer Joseph L.
Wu David
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