Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1980-12-29
1982-05-04
Henderson, C. A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524459, 524460, 524801, 526199, 526200, 526201, 526202, 526203, 526207, 525366, 528 44, 528137, 528232, 528254, 528274, 528336, 528373, 528408, 524733, 524804, C08F 216, C08F 200, C08G 1800, C08G 200
Patent
active
043281494
ABSTRACT:
Polymerization method utilizing a three-phase system: water-in-oil-in-water or oil-in-water-in-oil comprising the steps (a) adding the monomer material to be polymerized into the innermost water or oil phase; (b) adding, with mechanical agitation, the product of Step a to the middle oil or water phase, said phase containing appropriate surfactant, whereby an emulsion is formed; (c) adding, with mechanical agitation, the emulsion product of Step b to the outermost water or oil phase, said phase containing appropriate surfactant, wherein polymerization proceeds in the innermost water or oil phase until complete.
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Matsumoto, S. et al., J. Colloid Interf. Sci., 57(2), pp. 353-361 (1976).
Dixon Kenneth W.
Morse Lewis D.
Anderson Rudolph J.
Calgon Corporation
Henderson C. A.
Katz Martin L.
Olson R. Brent
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