Title:
樹脂の製造方法
Document Type and Number:
Japanese Patent JP7172751
Kind Code:
B2
Abstract:
To provide a resin production method which can efficiently esterify a carboxyl group.SOLUTION: A method for producing a resin includes an esterifying step of adding an esterifying agent to a resin solution I which contains a resin having a carboxyl group and at least one solvent among specific solvents having an amide group or an urea group, and has a concentration of the resin having the carboxyl group of 5 mass% or more and 50 mass% or less and a viscosity of 5 cP or more and 1000 cP or less, and esterifying at least a part of the carboxyl group of the resin having the carboxyl group. The resin having the carboxyl group is a resin having a structure represented by general formula (5).SELECTED DRAWING: None
Inventors:
Take Washimi
Baba Osamu
Yusuke Komori
Baba Osamu
Yusuke Komori
Application Number:
JP2019041295A
Publication Date:
November 16, 2022
Filing Date:
March 07, 2019
Export Citation:
Assignee:
TORAY INDUSTRIES,INC.
International Classes:
C08G73/10; C08F8/14; C08F8/30
Domestic Patent References:
| JP2003327695A | ||||
| JP2014181334A | ||||
| JP2000212216A | ||||
| JP2015179121A |
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