In this paper the heterogeneous catalytic polymerization of MA by nanocrystalline titania is studied.

该文研究了以纳米晶二氧化钛为催化剂的马来酸酐非均相催化聚合反应.

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The curing agent has been prepared by one - step catalytic polymerization process with a specific chemical additive.

采用特定的化学助剂,通过催化聚合法一步合成快干型低游离TDI聚氨酯固化剂.

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