Abstract:DEPT135 was used to study the hydroxymethylation of p-cresol in basic condition. The roles of type and amount of catalyst, reaction temperature, reaction time were investigated to optimize reaction conditions for the synthesis of 2,6-dihydroxymethyl-4-methyl phenol(2,6-DHMMP). Subsequently, a series of novolac resins with extremely high or low M W , narrow M W /M N , as well as alternating co-condensation structure have been produced by the condensation of 2,6-DHMMP and phenol, m-cresol etc. The synthesized p-… Show more
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