差示扫描量热分析表明,水分散过程破坏了亲水性硬链段的有序性。
Differential scanning calorimetry analysis revealed clearly that order of hydrophilic hard segments was destroyed after water dispersion.
研究表明:硬链段含量、软链段链长的提高和离子基团的增加均有利于拉伸强度的提高。
The results showed that increase hard segment content, soft segment sequence length and ionic group to be favourable for rising tensile strength.
利用丙烯酸酯改性以及丙烯酸酯-有机硅复合改性明显降低了聚氨酯分子中硬链段的微区结晶程度。
The acrylate modification and acrylate organosiloxane compound modification can obviously decrease the degree of micro crystal in the molecular of polyurethane.
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