Document Type and Number:
Japanese Patent JPWO2023095640
Kind Code:
A1
Abstract:
Provided is a phenolic resin composition which is a liquid and which is used for impregnating or coating an organic fiber base material, and which is obtained by means of: a step for reacting a phenol compound that is a starting substance with an aldehyde compound in the presence of a basic catalyst under the condition that the [aldehyde compound]/[phenol compound] molar ratio is 0.8-3.0 to produce a resol-type phenolic resin; and a step for adding glycine to the resol-type phenolic resin in an amount of not less than 0.01 moles and less than 1.0 moles relative to 1 mole of the phenol compound that is a starting substance, thereby producing the phenolic resin composition.
Application Number:
JP2023521416A
Publication Date:
June 01, 2023
Filing Date:
November 11, 2022
Export Citation:
