C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/398, 402/572
C08F 12/08 (2006.01) C08F 6/00 (2006.01) C08F 6/06 (2006.01) C08L 25/04 (2006.01) G03G 9/087 (2006.01)
Patent
CA 1327672
ABSTRACT A continuous method of treating a polymer reaction mixture for continuously separating a styrene polymer and volatile ingredient by flowing down, for example, a mixture of low molecular weight styrene polymer and high molecular weight styrene polymer through a circular-ring-shaped space formed between a jacketed double pipe and a concentrically located inner pipe of a heat-exchanger, and flashing into a vacuum chamber connected with said heat- exchanger, is provided. The polymer is useful for the preparation of electrophotographic toner.
552736
Kobayashi Nobuki
Shin Masaaki
Shiraishi Yoku
Yamamoto Takashi
Mitsui Toatsu Chemicals Inc.
Sim & Mcburney
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