Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1995-10-05
1997-01-21
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C08F22044
Patent
active
055960588
ABSTRACT:
A process for making acrylonitrile/methacrylonitrile copolymer, comprising polymerizing a mixture of acrylonitrile monomer and methacrylonitrile monomer in which the rate of addition of the comonomers is set by the rate of polymerization so that the concentration of unreacted acrylonitrile monomer and unreacted methacrylonitrile monomer is low and the polymerization process is in a starved condition.
REFERENCES:
patent: 2692875 (1954-10-01), Weinstock, Jr. et al.
patent: 3565876 (1971-02-01), Ball et al.
patent: 5106925 (1992-04-01), Curatolo et al.
Ball Lawrence E.
Smierciak Richard C.
Wardlow, Jr. Eddie
Esposito Michael F.
Gilbert Teresan W.
Sarofim N.
Schofer Joseph L.
The Standard Oil Company
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