二苯胺-4-偶氮磺酸盐及其树脂的制备和光、热分解性质

doi:10.7517/j.issn.1674-0475.2003.01.30

影像科学与光化学 ›› 2003, Vol. 21 ›› Issue (1): 30-38.DOI: 10.7517/j.issn.1674-0475.2003.01.30

二苯胺-4-偶氮磺酸盐及其树脂的制备和光、热分解性质

罗皞, 曹维孝

北京大学, 化学与分子工程学院, 北京, 100871

收稿日期:2002-05-12 修回日期:2002-06-20 出版日期:2003-01-23 发布日期:2003-01-23
通讯作者: 曹维孝
基金资助:
国家自然科学基金资助项目(20073002)

PREPARATION OF DIPHENYLAMINE-4-DIAZOSULFONATES,DIAZOSULFONATE RESINS,AND THEIR PHOTOCHEMICAL,THERMAL DECOMPOSITION

LUO Hao, CAO Wei-xiao

College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P.R. China

Received:2002-05-12 Revised:2002-06-20 Online:2003-01-23 Published:2003-01-23

摘要/Abstract

摘要： 从二苯胺-4-重氮盐(DS)和3-甲氧基二苯胺-4-重氮盐(MDS)以及重氮树脂(DR)和硝基重氮树脂(NDR)与亚硫酸钠反应,在水溶液中制备了相应的二苯胺-4-偶氮磺酸盐DSS和MDSS(简称偶氮磺酸盐)及相应的重氮树脂的偶氮磺酸盐DRS和NDRS(简称偶氮磺酸盐树脂).对它们在水溶液和固相膜中的光、热反应进行了研究.结果表明偶氮磺酸盐与偶氮磺酸盐树脂有很好的感光性能,而热稳定性比相应的重氮盐和重氮树脂好很多,其中二苯胺上有硝基取代的偶氮磺酸盐树脂具有突出的热稳定性,其水溶液在70℃加热6h,其固相膜在100℃加热11天几乎观察不到分解.对偶氮磺酸盐及偶氮磺酸盐树脂的光、热分解机理作了初步分析.

关键词: 二苯胺-4-重氮盐, 重氮树脂, 二苯胺-4-偶氮磺酸盐, 偶氮磺酸盐树脂, 热稳定性

Abstract: Four diphenylamine-4-diazosulfonates:DSS,MDSS,DRS,NDRS derived from diphenylamine-4-diazonium salt(DS),3-methoxy diphenylamine-4-diazonium salt(MDS),diazoresin(DR)and nitro substituted diazoresin(NDR) were prepared via the reactions of Na₂SO₃ and corresponding diazonium salts or diazoresins.The photochemical and thermal decomposition of these compounds in aqueous solution or in solid film(or in coating)have been investigated and confirmed that the photochemical decomposition of this kind of diazosulfonates is rather fast and the thermal stability is much better than the corresponding diazonium salts and diazoresins.Among them the NDRS exhibits the best thermal stability with almost no considerable decomposition both in aqueous solution heated for 6 h at 70 ℃ and in solid film heated for 11 days at 100 ℃.A mechanism of the photo as well as the thermal decomposition for this kind of diazosulfonates has been proposed tentatively.

Key words: diphenylamine-4-diazonium salt, diazoresin, diphenylamine-4-diazosulfonate, diazosulfonate resin, thermal stability

中图分类号:

TQ57

罗皞, 曹维孝. 二苯胺-4-偶氮磺酸盐及其树脂的制备和光、热分解性质[J]. 影像科学与光化学, 2003, 21(1): 30-38.

LUO Hao, CAO Wei-xiao. PREPARATION OF DIPHENYLAMINE-4-DIAZOSULFONATES,DIAZOSULFONATE RESINS,AND THEIR PHOTOCHEMICAL,THERMAL DECOMPOSITION[J]. Imaging Science and Photochemistry, 2003, 21(1): 30-38.

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二苯胺-4-偶氮磺酸盐及其树脂的制备和光、热分解性质

PREPARATION OF DIPHENYLAMINE-4-DIAZOSULFONATES,DIAZOSULFONATE RESINS,AND THEIR PHOTOCHEMICAL,THERMAL DECOMPOSITION

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