AMINOPHENOL-FORMALDEHYDE RESIN FOR VARNISHES PRODUCTION METHOD
摘要
The process comprises paraformaldehydic depolymerisation with concomitant production of methylolic derivatives at alkaline pH. This is followed by etherification and condensation at acid pH.
申请公布号
RO100884(A2)
申请公布日期
1991.09.06
申请号
RO19880132811
申请日期
1988.03.30
申请人
CENTRUL DE CERCETARI PENTRU PROTECTII ANTICOROSIVE, LACURI SI VOPSELE, BUCURESTI, RO
