ビニルアルコール系樹脂の製造方法 - Nippon Synthetic Chemical Industry Co., Ltd.

Title:

ビニルアルコール系樹脂の製造方法

Document Type and Number:

Japanese Patent JP5748259

Kind Code:

B2

Abstract:

A method of producing a vinyl alcohol resin having a water content of not higher than 10 wt% by performing a multistage dewatering process by means of a kneading machine. The method permits efficient dewatering of a highly hydrous vinyl alcohol resin to ensure easy production of a lower water content vinyl alcohol resin having a water content of not higher than 10 wt%, thereby reducing production costs. Therefore, the method is industrially useful.

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Inventors:

Keisuke Fujimura
Motomura Osamu
Koya Yasufumi
Matsunuma Takumi

Application Number:

JP2009245933A

Publication Date:

July 15, 2015

Filing Date:

October 26, 2009

Export Citation:

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Assignee:

Nippon Synthetic Chemical Industry Co., Ltd.

International Classes:

C08J3/075; B29B13/06; B29C48/385; B29C48/395; B29C48/40; B29C48/405; B29C48/57; B29C48/625

Domestic Patent References:

JP2002284811A
JP11268098A
JP2005329718A
JP2004066721A
JP2005501759A

Foreign References:

WO2004009313A1

Attorney, Agent or Firm:

Masahiko Nishito
Iisaki Aika
Yuko Saito

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