Title:
AMINE MODIFIED PHENOLIC RESIN AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2021138940
Kind Code:
A
Abstract:
To provide an amine modified phenolic resin that has excellent solubility in acidic aqueous solution and can provide a cured product having improved flexibility, heat resistance and alkali resistance compared to the conventional amine modified phenolic resins, and a method for producing the same.SOLUTION: The present disclosure provides an amine modified phenolic resin having a structure in which a phenolic resin having a biphenyl structure is reacted with a secondary amine compound and formaldehyde and a method for producing the same. The phenolic resin preferably has a weight average molecular weight (Mw) of 1,000-15,000.SELECTED DRAWING: None
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Inventors:
WATANABE KOTARO
Application Number:
JP2021030685A
Publication Date:
September 16, 2021
Filing Date:
February 26, 2021
Export Citation:
Assignee:
MEIWA KASEI KK
International Classes:
C08G61/00; C08G8/28; C09D5/02; C09D161/14
Attorney, Agent or Firm:
Showa International Patent Office