Title:
DISSOLUTION TREATMENT METHOD OF EPOXY RESIN CURED ARTICLE
Document Type and Number:
Japanese Patent JP2019099771
Kind Code:
A
Abstract:
To provide a dissolution treatment method of an epoxy resin cured article good in solubility and washability with suppressing a high viscosity reaction by not increasing aldehydes which cause high viscosity reaction.SOLUTION: There is provided a dissolution treatment method of an epoxy resin cured article, treated in following processes under a treatment atmosphere of oxygen concentration of 0.2 vol.% or less. (a) A process for mixing and reacting sodium hydroxide and alcohols to manufacture a dissolution treatment liquid. (b) A process for impregnating an epoxy resin cured article into the dissolution treatment liquid of the process (a) and dissolving the epoxy resin cured article.SELECTED DRAWING: Figure 1
Inventors:
KASUGA KEIICHI
KAWASUMI SHINICHI
ISHIHARA KANAKO
YAMATO RYOSUKE
UEDA SHUNSUKE
KAWASUMI SHINICHI
ISHIHARA KANAKO
YAMATO RYOSUKE
UEDA SHUNSUKE
Application Number:
JP2017235661A
Publication Date:
June 24, 2019
Filing Date:
December 08, 2017
Export Citation:
Assignee:
HITACHI CHEMICAL CO LTD
International Classes:
C08J11/24; C08J11/16