较高极性的脲键给聚合物提供了较强的氢键和较好的热稳定性，并使这些聚合物在橡胶平台区有较高和变化较小的动态剪切模量。
The highly polar urea linkage offers stronger hydrogen bonding and higher thermal stability to the polymers, which introduces higher and flatter shear modulus the rubbery plateau.
采用溶液法，选用极性单体马来酸酐（MAH），在非隔氧条件下，以过氧化苯甲酰（ BPO）为引发剂对天然橡胶（NR）进行接枝改性。
The graft copolymerization of natural rubber(NR) and polar monomer maleic anhydride (MAH)in the presence of oxygen has been studied in toluene solution.
在某些高粘度和强极性的橡胶基体中，利用常规的熔体混合加工方法，FS可以直接解离成纳米单晶或晶束。
Blend process FS can be directly separated into nano-crystal or bundles in some polymer matrices with higher viscosity and stronger molecular polarity by conventional melt blend.
基体橡胶极性是影响该演化过程的关键因素。
分析了橡胶在二甲醚中溶胀的化学机理，并选出具有不同极性的橡胶材料进行耐二甲醚溶胀及溶胀前后拉断强度、拉断伸长率、硬度等力学性能的对比试验。
Chemical mechanism of rubber expansion in DME was analysed, and different rubber materials were selected to test the expansion, the tensile strength, the elongation at break, and the hardness.
本文采用极性的丁腈橡胶与短碳纤维复合，探讨了碳纤维及碳黑含量对复合材料电性能影响，以及该材料电性能随温度的变化情况。
The effect of carbon fiber content, carbon black content and temperature on the electic conductivity of the composite was studied in this paper.
但硅橡胶存在分子极性低，疏水性强，物理性能较差等缺陷，其改性研究受到广泛关注。
The modification of silicone rubber has been widespread concerned because silicone rubber has low polarity, high hydrophobicity, and poor physical properties.
但硅橡胶存在分子极性低，疏水性强，物理性能较差等缺陷，其改性研究受到广泛关注。
The modification of silicone rubber has been widespread concerned because silicone rubber has low polarity, high hydrophobicity, and poor physical properties.
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