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首页> 外文期刊>Journal of Applied Polymer Science >POLYMERS CONTAINING SULFUR IN THE SIDE CHAIN
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POLYMERS CONTAINING SULFUR IN THE SIDE CHAIN

机译：侧链中含硫的聚合物

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We synthesized new thiodicarboxylic acids, p-tolylmethylthiomethylsuccinic acid and 1-naphthylmethylthiomethylsuccinic acid, and thiodiols, 2-(p-tolylmethylthiomethyl)-1,4-butanediol and 2-(1-naphthylmethylthiomethyl)-1,4-butanediol, by the addition of dimethyl itaconate with p-tolylmethanethiol or 1-naphthylmethanethiol, followed by hydrolysis or reduction, respectively, of the resultant dimethyl esters. These difunctional monomers were used for the synthesis of new linear polyesters and polyurethanes containing sulfur in the side chain. The polyesters were synthesized by melt polycondensation of the obtained acids with 2,2'-oxydiethanol. We found reduced viscosity, molecular weight (by GPC), and softening temperature for the reaction products. Low molecular weights, low softening temperature, and very good solubility in organic solvents are their characteristics. The polyurethanes were prepared by polyaddition diols with hexamethylene diisocyanate and tolylene diisocyanate in benzene. They were characterized by reduced viscosity and some tensile properties. The polyurethane derived from 2-(p-tolylmethylthiomethyl)-1,4-butanediol and hexamethylene diisocyanate (eta(red.) 1.17 dL/g) behaves like a high elasticity thermoplastic elastomer. Thermal stability of all polymers was determined by thermogravimetric analysis. The structure of the monomers and polymers were confirmed by elemental analysis and FTIR and H-1-NMR spectroscopy. (C) 1996 John Wiley & Sons, Inc. [References: 15]
机译：通过合成，我们合成了新的硫代二羧酸，对甲苯基甲基硫代甲基琥珀酸和1-萘甲基甲硫基甲基琥珀酸，硫代二醇，2-（对甲苯基甲基硫代甲基甲基）-1,4-丁二醇和2-（1-萘基甲基硫代甲基）-1,4-丁二醇。衣康酸二甲酯与对甲苯基甲硫醇或1-萘甲硫醇反应，然后分别水解或还原所得二甲基酯。这些双官能单体用于合成侧链中含有硫的新型线性聚酯和聚氨酯。通过将所得酸与2,2'-氧二乙醇熔融缩聚来合成聚酯。我们发现降低了反应产物的粘度，分子量（通过GPC）和软化温度。低分子量，低​​软化温度和在有机溶剂中的极佳溶解度是它们的特性。通过将二醇与六亚甲基二异氰酸酯和甲苯二异氰酸酯在苯中加聚二醇制备聚氨酯。它们的特征在于降低的粘度和一些拉伸性能。衍生自2-（对甲苯基甲硫基甲基）-1,4-丁二醇和六亚甲基二异氰酸酯（η（红）1.17 dL / g）的聚氨酯的行为类似于高弹性热塑性弹性体。通过热重分析确定所有聚合物的热稳定性。单体和聚合物的结构通过元素分析，FTIR和H-1-NMR光谱确认。 （C）1996 John Wiley＆Sons，Inc. [参考：15]

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