Study on binder system of CO2-cured phenol-formaldehyde resin used in phenol-formaldehyde resin used in foundry
A new aqueous alkaline resol phenol-formaldehyde resin has been prepared from phenol and formaldehyde using NaOH as catalyst; the optimum synthetic process has been determined. With addition of some cross-linking agents, after passing carbon dioxide gas through the resin bonded sand, high as-gassed...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Foundry Journal Agency
2008-05-01
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Series: | China Foundry |
Subjects: | |
Online Access: | http://www.foundryworld.com/uploadfile/2008111450174533.pdf |