C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
400/3012, 400/70
C08J 3/00 (2006.01) B01D 21/26 (2006.01) C08F 6/06 (2006.01) C08G 65/46 (2006.01) C08G 85/00 (2006.01) G02B 1/04 (2006.01)
Patent
CA 1304181
MO-9-44483C/HO/87 ABSTRACT OF THE DISCLOSURE A process for producing a low-dust transparent thermoplastic resin solution, which comprises centrifuging a solution of a transparent thermoplastic resin optionally containing pure water to separate it into a resin solution phase and an aqueous phase, and separating the resin solu- tion phase from the aqueous phase and the interface between them. By this process, the number of dusts having a size of at least 0.5 m in the resin solution can be decreased to 10,000 or less, preferably substantially zero, per gram of the transparent thermoplastic resin.
527796
Maeda Kenji
Megumi Takeaki
Ohtani Yuki
Umemura Toshikazu
Mitsubishi Gas Chemical Company Inc.
Riches Mckenzie & Herbert Llp
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