期刊信息

  • 刊名: 河北师范大学学报(自然科学版)Journal of Hebei Normal University (Natural Science)
  • 主办: 河北师范大学
  • ISSN: 1000-5854
  • CN: 13-1061/N
  • 中国科技核心期刊
  • 中国期刊方阵入选期刊
  • 中国高校优秀科技期刊
  • 华北优秀期刊
  • 河北省优秀科技期刊

两类NCS液晶化合物的质谱裂解规律研究

  • 阜阳欣奕华材料科技有限公司 品质部, 安徽 阜阳 236000
  • DOI: 10.13763/j.cnki.jhebnu.nse.2020.06.010

Study on Fragmentation Modes of Two Kinds of NCS Liquid Crystalline Compounds

摘要/Abstract

摘要:

利用气相色谱-质谱联用仪(GC-MS)对2类共6种异硫氰酸酯(NCS)液晶化合物进行质谱分析(EI),总结了化合物的裂解规律.2类NCS液晶化合物裂解主要发生在苯环苄位烷基和与苯环相连的环己基上,并在此基础上有失去质量32和59的碎片峰.

Abstract:

By analyzing two classes,total 6 isothiocyanate(NCS) liquid crystal compounds with GC-MS,this paper summarizd their molecules cracking discipline through mass spectrum interpretation.It was found that the cracking has a significant possibility occurring at benzcyclobenzyl alkyl and cycloalkyl which linked with benzene ring,and these basis losing mass are 32 and mass 59 fragments,respectively.

参考文献 13

  • [1] 彭增辉,刘永刚,姚丽双,等.二苯乙炔基异硫氰酸酯的合成与液晶性质研究[J].液晶与显示,2011,26(4):427-431.doi:10.3788/yjyxs20112604.0427 PENG Zenghui,LIU Yonggang,YAO Lishuang,et al.Synthesis and Liquid Crystal Properties of Isothiocyanate Tolane Compounds[J].Chinese Journal of Liquid Crystals and Displays,2011,26(4):427-431.
  • [2] 彭增辉,张然,刘永刚,等.双环NCS液晶的合成与性能研究[J].液晶与显示,2009,24(5):630-634.doi:10.3969/j.issn.1007-2780.2009.05.002. PENG Zenghui,ZHANG Ran,LIU Yonggang,et al.Preparation and Properties of Isothiocyanate Liduid Crystal Materials with Two Benzene Rings[J].Chinese Journal of Liquid Crystals and Displays,2009,24(5):630-634.
  • [3] 李娟利,彭增辉,李建,等.乙炔桥键四环异硫氰酸酯液晶化合物的合成及性能[J].液晶与显示,2017,32(9):692-700.doi:10.3788/yjyxs20173209.0692 LI Juanli,PENG Zenghui,LI Jian,et al.Synthesis and Properties of Four-ring Isothiocyanate Liquid Crystalwith Ethynyl Bridge[J].Chinese Journal of Liquid Crystals and Displays,2017,32(9):692-700.
  • [4] 李潭,王震,王国华,等.低熔点高Δn值双环向列相液晶的合成研究[J].液晶与显示,2017,32(11):861-867.doi:10.3788/yjyxs20173211.0861 LI Tan,WANG Zhen,WANG Guohua,et al.Synthesis of Two-ring Nematic Phase Liquid Crystal Compounds with Loe Melting Point and High Δn Value[J].Chinese Journal of Liquid Crystals and Displays,2017,32(11):861-867.
  • [5] 闵林,姚丽双,王玉坤,等.单氟取代苯基二苯乙炔基异硫氰酸酯的合成与液晶性质研究[J].液晶与显示, 2015,30(1):33-37.doi:10.3788/yjyxs20153001.0032. MIN Lin,YAO Lishuang,WANG Yukun,et al.Synthesis and Properties of Monofluoro Substituted Isothiccyanate Pheny-tolane Liquid Crystals[J].Chinese Journal of Liquid Crystals and Displays,2015,30(1):33-37.
  • [6] 高林,戴亚雨,常雨柯,等.含氟三环NCS液晶材料的介电性能研究[J].液晶与显示,2018,33(7):561-567.doi:10.3788/yjyxs20183307.0000 GAO Lin,DAI Yayu,CHANG Yuke,et al.Dieletric Properties of Fluorine-containing Tricyc NCS Liquid Crystal Materials[J].Chinese Journal of Liquid Crystals and Displays,2018,33(7):561-567.
  • [7] 彭增辉,刘永刚,曹召良,等.含氟双环NCS液晶的合成与性质研究[J].液晶与显示,2010,25(5):621-625.doi:10.3969/j.issn.1007-2780.2010.05.003 PENG Zenghui,LIU Yonggang,CAO Zhaoliang,et al.Preparation and Properties of Isothiocyanate Fluorinated Liquid Crystal Materials with Two Benzene Rings[J].Chinese Journal of Liquid Crystals and Displays,2010,25(5):621-625.
  • [8] 默克专利股份有限公司.液晶介质和包含其的高频组件:中国,CN105368465A[P/OL].2016-03-02.http://www.soopat.com/patent/201510482208 Merck Patent Co,Ltd..Liquid Crystal Media and High Frequency Components Thereof:Chinese,CN105368465A[P/OL].2016-03-02.http://www.soopat.com/patent/201510482208
  • [9] 王毅,李敏.两类氟代对三联苯液晶化合物的质谱裂解规律分析[J].质谱学报,2015,36(3):255-260.doi:10.7538/zpxb.youxian.2015.0001 WANG Yi,LI Min.Fragmentation Rules for Two Kinds of Fluoro-p-terphenyl Liquid Crystalline Compounds[J].Journal of Chinese Mass Spectrormetry,2015,36(3):255-260.
  • [10] 傅桂香,亓伟年,俞璐,等.新型含氟液晶类化合物质谱研究[J].有机化学,1995,15(2):150-160. FU Guixiang,QI Weinian,YU Lu,et al.Mass Spectrometry of Some New Fluorinated Liquid Crystals[J].Chinese Journal of Organic Chemistry,1995,15(2):150-160.
  • [11] 王毅,张苹,吴生秀,等.烷基环己基苯类液晶的质谱裂解规律研究[J].液晶与显示,2016,31(11):1046-1054.doi:10.3788/yjyxs20163111.1046 WANG Yi,ZHANG Ping,WU Shengxiu,et al.Fragmentation Modes of Alkylcclohexylbenzene Derivatives and Alkylcohexylbiphenyl Liquid Crystalline Derivatives[J].Chinese Journal of Liquid Crystalsand Displays,2016,31(11):1046-1054.
  • [12] 张建民,张秀娥.液晶化合物的质谱研究[J].质谱学报,1993,14(1):40-47. ZHANG Jianmin,ZHANG Xiue.Mass Spectrometry Research of Liquid Crystal Compounds[J].Journal of Chinese Mass Spectrormetry,1993,14(1):40-47.
  • [13] 霍学兵,韩锦伟,贾刚刚,等.一类氟代三联苯液晶化合物氟朝向对质谱碎片的影响及异构体的分离研究[J].河北师范大学学报(自然科学版),2019,43(5):423-430.doi:10.13763/j.cnki.jhebnu.nse.2019.05.008 HUO Xuebing,HAN Jinwei,JIA Ganggang,et al.Effect of Fluorine Atom Orientation of Single-fluoro Terphenyl Liquid Crystal Compounds on Mass Spectrometry Fragments and Separation of Isomer[J].Journal of Hebei Normal University(Natural Science),2019,43(5):423-430.