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芳基亚磺酸钠自偶联的研究进展 被引量:1
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作者 李志朋 李英俊 +2 位作者 李兴 常宏宏 魏文珑 《化学世界》 CAS CSCD 北大核心 2014年第5期315-320,共6页
芳基亚磺酸钠作为一种重要的芳基化合物,由于其较高的活性,近来在有机合成中得到了广泛的应用。主要根据相关报道对芳基亚磺酸钠在不同体系中自偶联生成不同的产物进行了综述和探讨。
关键词 苯亚磺酸钠 自偶联 芳基硫醚 联苯 二芳基二砜
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Preparation and Characterization of Polysulfonamide Statistical Copolymers from Three Aromatic Diamines
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作者 刘丽 王维涛 肖长发 《Journal of Shanghai Jiaotong university(Science)》 EI 2010年第1期114-118,共5页
Various polysulfonamide (PSA) statistical copolymers were synthesized by polycondensation of three aromatic diamines and terephthaloyl chloride. The inherent viscosities of the resulting PSA copolymers range from 1.... Various polysulfonamide (PSA) statistical copolymers were synthesized by polycondensation of three aromatic diamines and terephthaloyl chloride. The inherent viscosities of the resulting PSA copolymers range from 1.54 to 1.66 dL/g. The precipitated PSA copolymers with feed content of p-phenylene diamine (PPD) being less than 50% (mole fraction) can be redissolved in N-methyl-2-pryrrolidone (NMP) or N, N-dimethylacetamide (DMAc) with lithium chloride of WLiC1 : 0.02. All of the PSA copolymers exhibit enhanced tensile strength in comparison with PSA and still maintain excellent thermal stability in either air or nitrogen atmosphere 展开更多
关键词 aromatic diamine terephthaloyl chloride (TPC) polysulfonamide (PSA) statistical copolymer oolvcondensation
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