METHOD FOR CONTINUOUSLY PRODUCING PHENOL RESIN-, OXAZOLINE- AND EPOXIDE-BASED PREPOLYMER
PROBLEM TO BE SOLVED: To provide a phenol resin-based prepolymer, which has good solubility in a ketone and has a melting point below 100°C.SOLUTION: In the method for continuously producing a phenol resin-, oxazoline- and epoxide-based prepolymer in the presence of a catalyst by using an extruder,...
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