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- FTIR technique was used to characterize the microphase separation of the samples. 在试样内部从高温到低温端微相分离程度逐渐降低。
- Effects of carbon black(CB) on microphase separation and mechanical properties of polyurethane foam were studied by IR and DMA. 利用红外光谱仪 (IR)、动态热机械分析仪 (DMA)和力学性能测试法研究了炭黑对聚氨酯泡沫塑料的微相分离和力学性能的影响 ,并与基体泡沫做了对照。
- The results indicate that the degree of microphase separation within the samples increases gradually from the lower-temperature end to the higher end. 并且热处理的温度梯度越大或时间越长,相分离的梯度也越大。
- A simulated annealing method is used to study the microphase separation and crystallization in cylinder-forming semicrystalline diblock copolymers. 利用模拟退火方法研究非对称半结晶两嵌段共聚物熔体分别在弱分离和强分离条件下的结晶过程。
- The increase of DMPA amount was related with a lower glass transition temperature, which resulted in higher level microphase separation. 提高DMPA用量,软段玻璃化温度移向低温区,说明体系的微相分离程度加大。
- The results show that the TPUs have typical microphase separation which increases with PEG molecular weight increasing, as well as the stress and strain. 结果表明,聚合物具有微相分离的特征,随着聚乙二醇分子量的增大,微相分离程度增加,拉伸强度和延伸率也随着增加。
- The influence factors on microphase separation of waterborne polyurethane were studied, including soft segment type, DMPA content and different NCO/OH ratio. 合成了一系列水性聚氨酯,考察了软段组成、二羟甲基丙酸(DMPA)含量及不同NCO/OH比值对产物微相分离的影响。
- Poly(ether-ester) elastomers are a type of important thermoplastic elastomers, the study of microphase separation is very important to the promotion of their properties. 聚醚酯弹性体是一类重要的热塑性弹性体,研究它的微相分离对提高其性能有重要的意义。
- Copolymers with, microphase separation were obtained. The structure of PEO phase domains changed from homogeneously dispersed sphere with regular interface to steric continuous network when the EO content reached 52.16%. PEG-g-PAn共聚物存在着微观相分离，并且当共聚物中的EO单元的摩尔含量增至52.;16%25时，PEO微区则从相畴界面规则、尺寸分布较均匀的球形结构变成连续的网络结构。
- At the same time, the influence factors on microphase separation of waterborne polyurethane were studied by FTIR and DSC, including soft segment type, DMPA and chain-extender contents, different NCO/OH ratio. 同时通过红外光谱(FTIR)、示差扫描量热法(DSC)等手段考察了软段组成、二羟甲基丙酸(DMPA)含量及不同NCO/OH比值和扩链剂用量对产物微相分离的影响。
- The microphase separation featuies of poly-(urethane-imide)-, polyurethane ( PU ) , and poly-(urethane-urea)-(PU-U) were investigated by using DSC and DMA (Dynamic Mechanical Analysis) . 本文以差热分析(DSC)、动态力学分析(DMA)研究了聚氨酯-酰亚胺(PUI)、聚氨(?) (PU)、聚(氨酯-脲)(PU-U)材料的微相分离特征。
- microphase separation morphology 微观相分离
- Study on the Microphase Separation Structure of TPUE With DSC 用DSC谱研究TPE的微相分离结构
- Keywords Polyurethane;Microphase separation;Sofe segment DSC; 聚氨酯;微相分离;软段;DSC;
- Keywords Polymer alloy;Microphase separation;Morphology; 高分子合金;微相分离;形态结构;
- Keywords polyurethane;elastomer;mechanical property;microphase separation; 聚氨酯;弹性体;微相分离;力学性能;
- Keywords Microphase separation;Polypropylene;Multi-monomer melt graft; 微相分离;聚丙烯;多单体熔融接枝;
- Keywords hard segment;soft segment;microphase separation;chain extender; 硬段;软段;微相分离;扩链剂;
- Keywords Polyurethane elastomer;Microphase separation;Higher fatty alcohol; 聚氨酯弹性体;微相分离;高级脂肪醇;
- Keywords Aliphatic polyurethane Microphase separation Blood compatibility; 脂肪族聚氨酯;微相分离;血液相容性;
