通过红外光谱分析了改性多元醇防塌剂的分子结构，证明阳离子化反应引入了正氮基团；
It was proved that the modified PVA has ortho-nitrogen radicals by molecular structure analysis through infrared spectrum.
在阳离子封底中作为填充和防粘剂，平均皮革对浆料的吸收性，经高温烫平后保持胚革的柔软性且手感平滑光亮。
It can be used as a filling and anti-tacky agent to keep absorption evenly. It can keep the softness of the leather and smooth, gloss appearance.
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