The title 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。
The title 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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