间隔基 meaning in Chinese
space group
spacer
Examples
- ( 7 ) the effects of crown ethers and soft units on polymers properties were sophisticated
门）冠醚环和柔性间隔基对聚合物的热力学性能和液晶性能的影响是复杂的。 - ( 5 ) the polymerization manner were practicable because the molecular weight of polymers determined by gpc were above 10000
（ 5 ）通过gpc测得的含柔性间隔基聚合物的分子量在10000以上，说明聚合方法是可行的。 - Glass transition temperatures decreased with the length of soft units increasing , however , the effects of soft units were random
随柔性间隔基k度的增加，玻璃化转变温度卜降，但柔性间隔基对熔点的影响是无规律的。 - Based on the liquid crystal polymer theory , two kinds of polyacrylates were synthesized by choosing biphenyl group as rigid nucleus of mesophase group and six methylene chain as flexible spacing group . an important chiral additive was synthesized by choosing l ( - ) ~ 2 - octanol as chiral group . mixture was made of the additive and liquid crystalline polymer , which structure was identified by ftit , " ii nmr , dsc and pom
本论文根据液晶分子结构理论，选择联苯基作为介晶基元的刚性核、柔性的六亚甲基脂肪链为柔性间隔基，与丙烯酸反应，合成了两种丙烯酸酯型聚合物；以拆分的l ( - ) 2 -辛醇为手性基团合成了一种液晶手性添加剂，并将所合成的手性添加剂与液晶聚合物共混，采用ftit 、 ~ 1h - nmr 、 dsc 、 pom等手段对合成的化合物、共混物进行了表征。