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Title:
塩素化塩化ビニル系樹脂の製造方法
Document Type and Number:
Japanese Patent JP6800159
Kind Code:
B2
Abstract:
A method for producing chlorinated polyvinyl chloride includes placing polyvinyl chloride in a powder form in a reactor; introducing chlorine gas into the reactor, wherein the chlorine gas is brought into contact with polyvinyl chloride; irradiating the polyvinyl chloride with UV light The UV light has a wavelength ranging from 280 to 420 nm and an irradiation intensity in a range of 0.0005 to 7.0 W per kg of the polyvinyl chloride.

Inventors:
Junichi Hirota
Application Number:
JP2017545462A
Publication Date:
December 16, 2020
Filing Date:
October 13, 2016
Export Citation:
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Assignee:
Kaneka Corporation
International Classes:
C08J3/28; C08F8/22
Domestic Patent References:
JP2014005475A
JP2003183320A
JP49045310B1
JP2006328166A
Foreign References:
WO2014178374A1
CN102786610A
WO2014178362A1
US3510416
Attorney, Agent or Firm:
Patent business corporation Ikeuchi and Partners



 
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