Invention Grant
US08822723B2 Processes of synthesizing multi-functional phosphorus-containing epoxy curing agent 有权
合成多功能含磷环氧固化剂的工艺

Processes of synthesizing multi-functional phosphorus-containing epoxy curing agent
Abstract:
A series of curing agents are provided. The curing agents are multi-functional and phosphorus-containing. The curing agents have excellent processability to be used as an epoxy resin curing agent. The curing agents can be cured to obtain a phosphorus-containing epoxy thermoset with flame retardancy characteristic. The epoxy thermosets are very fit for circuit board substrate having high glass transition temperature; semiconductor packaging material; and related materials.
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