Title:
METHOD FOR PRODUCING POWDERY GRAFT COPOLYMER
Document Type and Number:
Japanese Patent JP3822816
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reduce a malodor remaining in a recovered powder and a malodor contained in a waste gas without affecting product performances, etc., and productivity at all in a method for producing a powdery rubber-containing graft copolymer comprising spray-drying an emulsion polymer latex.
SOLUTION: This method for producing the powdery graft copolymer comprises producing a graft copolymer latex by carrying out emulsion polymerization and spray-drying the resultant polymer latex. In the method, at least one kind of hydroperoxide selected from the group consisting of diisopropylbenzene hydroperoxide, 1,1,3,3-tetramethylbutyl hydroperoxide, cumene hydroperoxide, t-hexyl hydroperoxide and t-butyl hydroperoxide is used when carrying out the emulsion polymerization.
Inventors:
Koji Matsumura
Kawabe Sadaharu
Akihiro Toriya
Kawabe Sadaharu
Akihiro Toriya
Application Number:
JP2001352006A
Publication Date:
September 20, 2006
Filing Date:
November 16, 2001
Export Citation:
Assignee:
Mitsubishi Rayon Co., Ltd.
International Classes:
C08F2/22; C08F279/02; C08F4/40; C08F6/14; (IPC1-7): C08F2/22; C08F6/14; C08F279/02
Domestic Patent References:
| JP2000072835A |
Foreign References:
| WO2001066641A1 |
Attorney, Agent or Firm:
Takashi Ishida
Yoshio Yoshio
Masaya Nishiyama
Yoshio Yoshio
Masaya Nishiyama
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