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利用DSC研究了分子结构对含硝基偶氮苯侧基的丙烯酸酯液晶聚合物玻璃化温度的影响。结果表明,随柔性间隔基长度增加,T_g降低;当引入丙烯酸甲酯(MA)作为非晶共聚组分时,T_g降低;T_g真随MA摩尔百分含量增加而降低;当引入丙烯酸作为非晶共聚组分时,T_g升高。
The influence of molecular structure on the glass transition temperature of acrylic ester liquid crystal polymer containing nitrozobenzene side groups was studied by DSC. The results showed that T_g decreased with increasing length of flexible spacer. T_g decreased when methyl acrylate (MA) was introduced as amorphous copolymerization component. T_g decreased with the increase of MA mole fraction. When acrylic acid was introduced as amorphous When the copolymer component, T_g increased.