研究了不同离子基团的聚酯多元醇和不同软段结构对其干膜物理机械性能和吸水率的影响。
The effects of polyols type and polyols containing different ionic groups on physical mechanical properties of dry films and water absorption were studied.
丙烯酸改性与乳化同时进行时,其聚合物链结构中软、硬段分布均匀;
Soft and hard segments in polymer chains were well-distributed when acrylate modification and emulsification performed at the same time.
交联结构对软、硬段之间的相分离产生更大的影响,但对硬段相中短程有序区的氢键的影响与交联结构的类型有关。
The existence of cores and cross-linked structure between core and shell made much effect on the phase behavior of the nanocomposites.
研究了聚乙二醇分子量和含量对TPU的结构和性能的影响,提出了在TPU软段中引入PEG可以改善其与硝酸酯的混溶能力。
The effect of molecular weight and content of PEG in soft segment on morphology and properties of TPU was studied.
研究了合成方法、软段及硬段组成结构、熟化条件等因素对聚氨酯弹性体力学性能的影响。
The effects of synthetic method, components of soft segment and hard segment, post cure on the mechanical properties of polyurethane elastomers were studied.
研究了合成方法、软段及硬段组成结构、熟化条件等因素对聚氨酯弹性体力学性能的影响。
The effects of synthetic method, components of soft segment and hard segment, post cure on the mechanical properties of polyurethane elastomers were studied.
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