{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"以4-烯丙氧基-4′-硝基偶氮苯(M1)和4-烯丙氧基苯甲酸(M2)为单体,通过与聚硅氧烷接枝聚合,合成了一系列聚合物PⅠ~PⅣ及离聚物PⅤ~PⅧ.合成的液晶单体、聚合物及离聚物的结构均通过红外或核磁的验证,并通过DSC、偏光显微镜和X射线衍射研究了其液晶行为,聚合物PⅡ~PⅣ及离聚物PⅤ~PⅦ均为向列型液晶.液晶基元的含量和离子基元的引入对液晶的玻璃化温度(Tg)、液晶相范围(ΔT)等有显著的影响.聚合物PⅠ~PⅣ随着液晶基元含量的增加,其Tg从98.8 ℃降低到61.9 ℃,相应地ΔT从19.8 ℃拓宽到43.6 ℃;离聚物PⅤ~PⅧ的液晶行为随着离子含量的增加,其清亮点(Tc)从166.2 ℃降低到134.5 ℃,ΔT也相应地缩短,当离子含量达到40%时,离聚物的液晶相消失.","authors":[{"authorName":"邵兵","id":"83c1df2b-e97a-49b1-a4b9-c27547e0a623","originalAuthorName":"邵兵"},{"authorName":"张宝砚","id":"fcb1dc63-c5f8-4c68-809f-24d303e18990","originalAuthorName":"张宝砚"},{"authorName":"胡建设","id":"221a84c4-2d4b-499c-ae01-8de445120bfa","originalAuthorName":"胡建设"},{"authorName":"姜同英","id":"fe74d2ed-2eb5-42d6-87b6-6ec6cba15745","originalAuthorName":"姜同英"}],"doi":"","fpage":"70","id":"bd5dc4e6-618b-4cff-99cf-c6add53af26c","issue":"3","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"9e196eeb-c09e-47c0-805c-d5557c836dbd","keyword":"聚硅氧烷","originalKeyword":"聚硅氧烷"},{"id":"50d3a228-5371-4e60-bfcc-1846def218c0","keyword":"离聚物","originalKeyword":"离聚物"},{"id":"34b43193-4b54-4e1d-97b6-ada520bda5ff","keyword":"4-烯丙氧基-4′-硝基偶氮苯","originalKeyword":"4-烯丙氧基-4′-硝基偶氮苯"},{"id":"10ee1005-cc6b-44e2-a3bf-0bba21815a42","keyword":"向列型","originalKeyword":"向列型"}],"language":"zh","publisherId":"gfzclkxygc200203016","title":"侧链含偶氮基的聚硅氧烷类液晶高分子及其离聚物的合成与表征","volume":"18","year":"2002"},{"abstractinfo":"合成了一种新显色剂4-(4-氯苯重氮氨基)-4'-硝基偶氮苯(简称CDANA),并研究了该试剂与Cd(Ⅱ)的高灵敏显色反应.在60~65℃温度下,亚硫酸氢钠与甲醛反应半小时之后滴入苯胺生成苯胺基甲基磺酸钠,另将硝基苯胺重氮化得到重氮盐溶液滴入苯胺基甲基磺酸钠中得到4'-硝基-4-氨基偶氮苯,然后将其滴入氯苯胺重氮化后的重氮盐溶液中,得经红外光谱检验和元素分析证实的目标产物.分光光度的研究结果表明,在Triton X-100存在下,于pH10.5的Na2B4O7-NaOH缓冲介质中,镉(Ⅱ)与试剂形成1:2的橙红色络合物,其最大吸收波长位于558 nm处,表观摩尔吸光系数为1.42×105 L·mol-1·cm-1,镉(Ⅱ)的质量浓度在0~0.75 μg/mL范围内服从比尔定律.所拟方法用于废水中微量镉的直接测定,结果与原子吸收光谱法一致.","authors":[{"authorName":"王贵芳","id":"b475a7d0-0bc6-4b8d-bfe8-b42c8aa30f5f","originalAuthorName":"王贵芳"},{"authorName":"邢云","id":"f153273e-c86f-483f-8551-c83b8a21aecb","originalAuthorName":"邢云"}],"doi":"10.3969/j.issn.1000-7571.2009.05.005","fpage":"20","id":"c70421a5-63c3-4eee-9cf0-164917cfd8b1","issue":"5","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析 "},"keywords":[{"id":"44ecf282-47bf-4e5b-bc7b-58e30e70c523","keyword":"4-(4-氯苯重氮氨基)-4'-硝基偶氮苯","originalKeyword":"4-(4-氯苯重氮氨基)-4'-硝基偶氮苯"},{"id":"7f80759e-cff7-483d-aaf9-359788a0938c","keyword":"镉","originalKeyword":"镉"},{"id":"52a3b954-9cf6-4917-9c6e-e69765f4ad51","keyword":"分光光度法","originalKeyword":"分光光度法"},{"id":"8c4424b0-fc06-4159-bf60-78d89578b900","keyword":"合成","originalKeyword":"合成"}],"language":"zh","publisherId":"yjfx200905005","title":"4-(4-氯苯重氮氨基)-4'-硝基偶氮苯的合成及其与镉(Ⅱ)的显色反应","volume":"29","year":"2009"},{"abstractinfo":"以4-羧基-4'-羟基偶氮苯为母体,与正溴辛烷同时发生酯化和醚化反应,合成了一种新型偶氮苯液晶化合物-4-羧酸正辛酯基-4'-正辛氧基偶氮苯,其结构采用红外光谱(FT-IR)和核磁共振氢谱(1 H NMR)进行表征.采用360 nm和440 nm的紫外-可见光交替照射,该偶氮苯液晶在乙醇溶液中能够发生顺反光异构化反应,经重复照射10次,其紫外吸收峰均能回复至最初状态.通过差示扫描量热仪(DSC)和偏光显微镜(POM)研究发现,该偶氮苯液晶为热致互变液晶,显示扇形织构的近晶相,并且易于汇集形成马尔他十字液晶相.","authors":[{"authorName":"王丹","id":"19da7842-5e0b-4b92-93a6-222c20833838","originalAuthorName":"王丹"},{"authorName":"赵常礼","id":"7f1b3c13-b38f-4e9a-96ee-54c0ed83231b","originalAuthorName":"赵常礼"},{"authorName":"方嫃嫃","id":"273b7bb1-e672-4a28-907e-18ac998de9d3","originalAuthorName":"方嫃嫃"},{"authorName":"张曦","id":"bd429711-3de5-4b80-a3a5-fc38e5ae6f66","originalAuthorName":"张曦"}],"doi":"10.11896/j.issn.1005-023X.2015.10.019","fpage":"82","id":"60d05a9d-5d6e-4c46-b85c-3914677b3e05","issue":"10","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"672d75f4-461f-4092-814d-215e45cde589","keyword":"偶氮苯","originalKeyword":"偶氮苯"},{"id":"a3944b68-c074-43d7-9557-be9da153098a","keyword":"正溴辛烷","originalKeyword":"正溴辛烷"},{"id":"6ecaa0a6-4286-4b0e-a9a6-38b6038b9e88","keyword":"光异构化","originalKeyword":"光异构化"},{"id":"9883d7af-e1b3-474f-b960-6e76a6a9bcab","keyword":"马尔他十字","originalKeyword":"马尔他十字"}],"language":"zh","publisherId":"cldb201510019","title":"4-羧酸正辛酯基-4'-正辛氧基偶氮苯液晶的性能研究","volume":"29","year":"2015"},{"abstractinfo":"在室温下,以对氯邻硝基苯胺邻叔丁基对甲基苯酚和亚硝酸钠为原料通过固相重氮偶合反应一步合成了2-硝基-4-氯-2′-羟基-3′-特丁基-5′-甲基偶氮苯. 反应时间15 min,产率达93%. 以HPLC分析,其纯度>99%,并用IR和UV光谱等对其结构进行了表征和确认.","authors":[{"authorName":"温辉梁","id":"f3f6c397-bdfa-424c-be46-0273a2b3fc15","originalAuthorName":"温辉梁"},{"authorName":"周小英","id":"5ca38e6b-b23e-4a85-8663-cee730e590aa","originalAuthorName":"周小英"},{"authorName":"胡晓波","id":"1d4275ac-8864-42a8-aa9d-891d9f53021f","originalAuthorName":"胡晓波"},{"authorName":"章金兵","id":"312239d5-720c-460c-88b1-3125e48734e3","originalAuthorName":"章金兵"}],"doi":"10.3969/j.issn.1000-0518.2006.05.026","fpage":"579","id":"add70000-276b-436e-8628-3761c9258f8b","issue":"5","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"ead016f8-db4d-4c48-902e-1a189d2ebc4c","keyword":"硝基氯羟基特丁基甲基偶氮苯","originalKeyword":"硝基氯羟基特丁基甲基偶氮苯"},{"id":"ce77ed30-c9ae-4bec-9664-a6738f34e8f0","keyword":"固相合成","originalKeyword":"固相合成"},{"id":"e57288c3-0f33-43ed-8aae-241a6cd2dbaa","keyword":"重氮偶合","originalKeyword":"重氮偶合"}],"language":"zh","publisherId":"yyhx200605026","title":"2-硝基-4-氯-2′-羟基-3′-特丁基-5′-甲基偶氮苯的固相合成","volume":"23","year":"2006"},{"abstractinfo":"偶氮苯及其衍生物是性能良好的介晶基团,含偶氮苯的分子有广泛的用途.文章报道了ω-(4-甲氧基-4'-偶氮苯氧)溴代烷(ZOn,亚甲基数n为2~6)的制备,所合成化合物的结构由红外光谱分析(IR)和核磁共振(1H NMR)测试确定.示差扫描量热(DSC)测试及偏光显微镜(POM)观察显示,产物ZO2未表现出液晶性,ZO3显双向液晶性,呈近晶相;ZO4、ZO5、ZO6呈单向液晶性,为向列相.它们的织构随n的增大而逐渐改善,ZO6的偏光织构最完善.","authors":[{"authorName":"贺昌海","id":"656389d4-caed-4365-a100-edea817d4f03","originalAuthorName":"贺昌海"},{"authorName":"张超灿","id":"85793f71-d39a-4814-8118-b1d84f00e443","originalAuthorName":"张超灿"}],"doi":"10.3969/j.issn.1007-2780.2010.05.002","fpage":"617","id":"8ddf4777-524d-4fa7-b5aa-3a3216039abf","issue":"5","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"a8517243-d4e8-4737-8599-d697355a48e1","keyword":"偶氮苯","originalKeyword":"偶氮苯"},{"id":"4b036e46-cc5c-4f6b-9932-0f402ce579b1","keyword":"溴代烷","originalKeyword":"溴代烷"},{"id":"a7628f31-5b57-46c2-b656-98d6787ae3e7","keyword":"液晶性","originalKeyword":"液晶性"}],"language":"zh","publisherId":"yjyxs201005002","title":"ω-(4-甲氧基-4'-偶氮苯氧)溴代烷的制备及液晶性能的研究","volume":"25","year":"2010"},{"abstractinfo":"以基于季戊四醇的二代硅碳烷树状氯化物PCSi-2G-Cl为脚手架、4-硝基-4'-羟己氧基偶氮苯(M-NO2)为介晶基元, 合成了以季戊四醇为核、端基含36个硝基偶氮苯的新型硅碳烷液晶树状物PCSi-2G-NO2.利用红外光谱(IR)、核磁共振(1H NMR)、元素分析(EA)、偏光显微镜(POM)和差示扫描量热法(DSC)进行了表征,PCSi-2G-NO2显示近晶相, 其液晶相行为是K57SE76SA111I110SA75SE56K.而对应的介晶基元M-NO2则为向列相,树状物与修饰单元在熔点、清亮点和液晶态温度区间等方面也存在较大差异.","authors":[{"authorName":"唐新德","id":"c4fbddf3-67f4-4023-951a-010a832ea288","originalAuthorName":"唐新德"},{"authorName":"张其震","id":"bda846be-7f7e-400e-aba2-fa70a1b2fede","originalAuthorName":"张其震"},{"authorName":"范星河","id":"92829c5b-cd63-438f-9408-f4d827045702","originalAuthorName":"范星河"},{"authorName":"周其凤","id":"15f3c9f0-bfae-4536-a6e2-d42c838aea45","originalAuthorName":"周其凤"}],"doi":"","fpage":"1036","id":"0dba4b1c-688b-4b3e-885d-22e83613e8ac","issue":"7","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"b4b11488-3e31-4a61-933c-b562a682ac29","keyword":"硅碳烷液晶树状物","originalKeyword":"硅碳烷液晶树状物"},{"id":"301dad28-531f-4335-ac53-67e3697bf405","keyword":"季戊四醇","originalKeyword":"季戊四醇"},{"id":"3b21201e-cc14-4474-bf9d-fb1f9abc1689","keyword":"4-硝基偶氮苯","originalKeyword":"4-硝基偶氮苯"},{"id":"afc785d8-dfcb-418b-b43b-f98012a919a8","keyword":"二代树状物","originalKeyword":"二代树状物"},{"id":"14212994-85d8-42df-9270-fbd367fc1d50","keyword":"介晶基元","originalKeyword":"介晶基元"}],"language":"zh","publisherId":"gncl200607006","title":"基于季戊四醇的二代硅碳烷液晶树状物研究——端基含36个4-硝基偶氮苯基团","volume":"37","year":"2006"},{"abstractinfo":"以4-氨基硝基苯为原料,通过溴代、重氮化去氨基、硝基还原和重氮偶合反应合成了3',5'-二溴-3-甲氧基-4-羟基偶氮苯,并通过物理掺杂方法制备了3',5'-二溴-3-甲氧基-4-羟基偶氮苯-聚甲基丙烯酸甲酯(PMMA)薄膜.利用元素分析、红外光谱、质谱、核磁共振和X射线单晶衍射等技术手段对标题化合物结构进行了表征.晶体结构分析表明,标题化合物晶体属于单斜晶系,C2/c空间群,晶胞参数为a=1.6182(3) nm,b =0.81847(16) nm,c=2.1945(4) nm,β=102.819(2)°,V=2.8342(10) nm3,Z =8,Dc =1.809 g/cm3,μ=5.719 mm-1,F(000)=1504,R1=0.0366,ωR2=0.0764,化合物分子呈反式平面构型,分子间存在的氢键和苯环,π-π堆积作用使得其沿b轴方向形成了一维无限链状结构.用紫外-可见光谱对标题化合物在有机溶剂、聚合物中光致反-顺异构化反应和热回复异构化反应的速率常数进行了定量测试,异构化反应的速率常数的数量级为10-1~ 10-2 min-1.","authors":[{"authorName":"宋秀美","id":"52ba9ef4-a27f-4889-a5a0-77b8baebb69a","originalAuthorName":"宋秀美"},{"authorName":"冯宗财","id":"8ee64edb-4bf2-43cb-ba8d-ba1f71277a30","originalAuthorName":"冯宗财"},{"authorName":"陈键侨","id":"e1efc269-ce22-4303-8048-3846b1232c1d","originalAuthorName":"陈键侨"},{"authorName":"汪朝阳","id":"af652d28-5171-4f0a-a816-e84f8bc42959","originalAuthorName":"汪朝阳"},{"authorName":"冯翠娟","id":"7201b59c-0203-42f6-bb23-68dd4a8f1cab","originalAuthorName":"冯翠娟"},{"authorName":"卢扬丽","id":"27d85d82-4c09-409e-9ad0-fdf183e1bf7a","originalAuthorName":"卢扬丽"}],"doi":"10.3724/SP.J.1095.2014.40001","fpage":"1273","id":"02f31466-578d-4265-83f1-71d65d0d310b","issue":"11","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"8351ccbc-1e87-47f6-b094-b1e58bb5205f","keyword":"二溴-甲氧基-羟基偶氮苯","originalKeyword":"二溴-甲氧基-羟基偶氮苯"},{"id":"15d38ff3-3e2b-4375-b65d-bd3917958c74","keyword":"晶体","originalKeyword":"晶体"},{"id":"9acc76dc-1d2a-43b8-9956-2ec2f120c2e6","keyword":"光致反-顺异构","originalKeyword":"光致反-顺异构"},{"id":"d02b32f1-78d5-4e10-bd76-45f417104f99","keyword":"热回复","originalKeyword":"热回复"},{"id":"fbc56160-ee6c-4c0d-8da9-b681d578c06a","keyword":"速率常数","originalKeyword":"速率常数"}],"language":"zh","publisherId":"yyhx201411006","title":"3',5'-二溴-3-甲氧基-4-羟基偶氮苯合成、晶体结构与异构化性能","volume":"31","year":"2014"},{"abstractinfo":"以3-溴丙烯、4-羟基苯甲酸和对苯二酚为主要原料,经Williamson醚化、羧酸酰化和酯化反应制备了4,4'-二(4-烯丙氧基苯甲酸)苯酯双功能基团液晶单体,通过FT-IR,1H-NMR,13C-NMR对其结构进行了表征.用DSC,XRD,偏光显微镜((POM)研究了单体的液晶性能,结果表明该单体熔点为164℃,清亮点为244℃,为向列相液晶.","authors":[{"authorName":"聂王焰","id":"1da89366-298b-495a-bd5f-b6f0e30d3fbe","originalAuthorName":"聂王焰"},{"authorName":"李洋","id":"33fdf5fb-e1de-4121-8ea8-99c56247e77c","originalAuthorName":"李洋"},{"authorName":"徐洪耀","id":"347dd256-ae73-4951-8573-3f10b10f9fc5","originalAuthorName":"徐洪耀"},{"authorName":"李刚","id":"4d2db202-557c-46a3-a5f2-718f90ad2329","originalAuthorName":"李刚"}],"doi":"","fpage":"342","id":"8efffb0b-effb-43e7-baf9-448a79c6bc0a","issue":"2","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"c50ad00d-98de-47e3-96ca-a35fe7362c74","keyword":"液晶单体","originalKeyword":"液晶单体"},{"id":"6f176b09-2e11-4362-93d0-4849b1a472cc","keyword":"合成","originalKeyword":"合成"},{"id":"d99850c8-a831-4f00-86e2-7de666b2aa4d","keyword":"向列相","originalKeyword":"向列相"}],"language":"zh","publisherId":"gncl200902048","title":"4,4'二(4-烯丙氧基苯甲酸)苯酯双功能基团液晶体的制备与性能","volume":"40","year":"2009"},{"abstractinfo":"合成了新颖的非线性光学材料,即4-苯乙炔-4'-[N,N-二乙基氨基偶氮苯.采用FT-IR、UV-vis、1H NMR、13C NMR和元素分析等方法对它的化学结构进行了详细的表征.使用8ns脉宽532nm波长激光,采用Z-扫描技术测试了化合物溶液的非线性光学性能.研究结果表明化合物具有很大的非线性吸收.","authors":[{"authorName":"尹守春","id":"090e47fa-61f1-47c0-a0c0-de58489c8fd9","originalAuthorName":"尹守春"},{"authorName":"苏新燕","id":"18657386-9497-416f-b1c0-3522a09aeda0","originalAuthorName":"苏新燕"},{"authorName":"徐洪耀","id":"eaba38f6-ed39-4344-b212-e7cb6a66d936","originalAuthorName":"徐洪耀"},{"authorName":"鲍亮","id":"74f8977b-e899-4652-9bcd-a9ec066be407","originalAuthorName":"鲍亮"}],"doi":"","fpage":"447","id":"83482cbe-0dcb-4d5d-b0cb-edf7e8382088","issue":"z1","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"5391f649-0cff-4468-9598-3bdf0fe29b2b","keyword":"非线性光学","originalKeyword":"非线性光学"},{"id":"5d8ab129-6fe1-4909-bfe2-cc7e796cd16a","keyword":"Z扫描","originalKeyword":"Z扫描"},{"id":"af8f6c6e-d8d1-4c74-9877-589af7329495","keyword":"偶氮苯","originalKeyword":"偶氮苯"}],"language":"zh","publisherId":"gncl2004z1114","title":"4-苯乙炔-4'-[N,N-二乙基]氨基偶氮苯的合成及光学性能研究","volume":"35","year":"2004"},{"abstractinfo":"研究了新合成的1-(2-羟基-3,5-二硝基苯基)-3-[4-(苯基偶氮)苯基]-三氮烯(HDNPAPT)试剂与镍的显色反应.在Na2B4O7-NaOH介质中(pH10.0~10.6)及乳化剂OP存在下,镍与HDNPAPT形成稳定的1:1红色络合物,λmax=545nm,表观摩尔吸光系数ε545=1.45×105,镍浓度在0~8μg/25mL范围内符合比尔定律.拟定的新方法已应用于铝合金中微量镍的测定,结果满意.","authors":[{"authorName":"冯泳兰","id":"f621c0ae-496d-4953-9688-ccac72ca87a9","originalAuthorName":"冯泳兰"},{"authorName":"邝代治","id":"9772565f-d494-4ddc-8977-012e8bf86475","originalAuthorName":"邝代治"}],"doi":"10.3969/j.issn.1000-7571.2001.05.004","fpage":"9","id":"2f8194c7-b74a-4645-97bf-e78ea8cb459c","issue":"5","journal":{"abbrevTitle":"YJFX","coverImgSrc":"journal/img/cover/YJFX.jpg","id":"71","issnPpub":"1000-7571","publisherId":"YJFX","title":"冶金分析 "},"keywords":[{"id":"ca5cae3f-65ea-4a7d-bfa2-0a95d6cddccf","keyword":"1-(2-羟基-3,5-二硝基苯基)-3-[4-(苯基偶氮)苯基]-三氮烯","originalKeyword":"1-(2-羟基-3,5-二硝基苯基)-3-[4-(苯基偶氮)苯基]-三氮烯"},{"id":"bec785ed-7b01-4ba6-ad3a-d522cd3c9521","keyword":"镍","originalKeyword":"镍"},{"id":"e4a55dfe-c0b5-43ef-9a25-788116bfcc54","keyword":"显色反应","originalKeyword":"显色反应"},{"id":"3093c5f1-b4dc-43fd-b06b-81b9f8c1d82f","keyword":"分光光度法","originalKeyword":"分光光度法"}],"language":"zh","publisherId":"yjfx200105004","title":"1-(2-羟基-3,5-二硝基苯基)-3-[4-(苯基偶氮)苯基]-三氮烯与镍的显色反应及其分析应用","volume":"21","year":"2001"}],"totalpage":4106,"totalrecord":41052}