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author:

周天华 (周天华.) [1] | 赵剑曦 (赵剑曦.) [2]

Indexed by:

CQVIP PKU CSCD

Abstract:

合成了具有两根十六烷烃链,两个离子头基(季铵盐和磺酸盐)中变化不同长度联接链的新型磺基甜菜碱两性表面活性剂(C16H33)2NCH3(CH2)nSO3(记为(C16)2NCnS,n=2,3,4,6)。采用TGA、DSC、XRD和POM等技术考察了它们的热行为。研究表明,热分解温度随着联接链增长而降低;固相在加热过程出现了多种晶型转变,但只有(C16)2NC4S和(C16)2NC6S形成了液晶,前者为近晶A液晶,后者为六方柱状液晶。这些液晶在升温和降温过程中都被观察到,表明其热稳定性良好。

Keyword:

(C16)2NCnS 六方柱状液晶 热行为 近晶A液晶

Community:

  • [ 1 ] 福州大学化学化工学院应用化学系,福州350108

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Source :

物理化学学报

ISSN: 1000-6818

Year: 2008

Issue: 8

Volume: 24

Page: 1347-1352

0 . 6 7 3

JCR@2008

1 0 . 8 0 0

JCR@2023

JCR Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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