Ni(II) and Cu(II) based catalysts for propargylated novolac resins curing: activity study and curing process simulationстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 10 февраля 2016 г.
Аннотация:Catalysts for propargylated novolac resins (PN) curing based on stable Ni and Cu salts were
studied. Concentration dependences of catalytic activities for both catalyst types were
investigated. For the first time copper salts were suggested as catalysts for PN curing
and catalytic action mechanism was suggested based on model experiments. Catalytic
kinetic study followed by computer modeling allowed to simulate the curing process
avoiding overheating during manufacturing of bulky composite part. A sufficient decrease
both in processing time and temperature was demonstrated even under smoother thermal
conditions while using the Ni catalysis. It was also shown that catalyzed curing proceeded
more uniformly in the volume of bulky parts.