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Patent Searching and Data


Title:
MANUFACTURING METHOD OF METHYLENATED MELAMINE-FORMALDEHYDE INITIAL CONDENSATE FOR EXPANDED BODY, AND MANUFACTURING METHOD OF MELAMINE RESIN EXPANDED BODY USING THE SAME
Document Type and Number:
Japanese Patent JP2018145381
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method of a methylenated melamine-formaldehyde initial condensate for expanded body extremely good in storage stability and a manufacturing method of a melamine resin expanded body based on the composition, having light weight, rich in plasticity or elasticity, and in which an internal shape is porous.SOLUTION: There is provided a manufacturing method of a methylenated melamine-formaldehyde initial condensate for expanded body obtained by a primary reaction by adding a basic catalyst to a solution containing melamine monomer, formaldehyde and no alcohol and heating them, then a secondary reaction by adding an acidic catalyst and heating them.SELECTED DRAWING: None

Inventors:
MATSUI YUSUKE
Application Number:
JP2017045159A
Publication Date:
September 20, 2018
Filing Date:
March 09, 2017
Export Citation:
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Assignee:
AICA KOGYO CO LTD
International Classes:
C08J9/14; C08G12/32