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首页> 外文期刊>Journal of Polymers and the Environment >Role of Amino Acids on In Situ Photografting of Jute Yarn with 3-(Trimethoxysilyl) Propylmethacrylate
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Role of Amino Acids on In Situ Photografting of Jute Yarn with 3-(Trimethoxysilyl) Propylmethacrylate

机译：氨基酸在甲基丙烯酸3-（三甲氧基甲硅烷基）丙酯黄麻纱线原位光接枝中的作用

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摘要

To improve the mechanical performance of natural lignocellulosic jute yarn, grafting with [3-(trimethoxysilyl) propylmethacrylate] (TMSPM) monomer has been performed on in situ UV radiation and optimized the monomer concentration (30%) and irradiation time (30 min). Effect of various amino acids (1%) as additives in TMSPM with photografted jute yarn at optimized system has been studied. The polymer loading (PL) and tensile properties like tensile strength (TS) and elongation at break (Eb) of treated samples were enhanced by incorporation of amino acids and the highest properties (TS = 300% and Eb = 386%) achieved by the sample treated with L-Arginine (Arg) with 32.5% PL value. Weak acid like 3% acetic acid and inorganic acid like 1% sulfuric acid were also incorporated in the optimized system of TMSPM grafting and compared their effect on the tensile properties with amino acid treated samples. Water absorption and weathering resistance of treated and untreated samples were also performed and treated sample showed lesser water uptake as well as less weight loss and mechanical properties as compared to untreated samples.
机译：为了提高天然木质纤维素黄麻纱线的机械性能，已在原位UV辐射下进行了与[3-（三甲氧基甲硅烷基）丙基甲基丙烯酸酯]（TMSPM）单体的接枝，并优化了单体浓度（30％）和辐照时间（30分钟）。在优化的系统上研究了各种氨基酸（1％）作为添加剂对光接枝黄麻纱线在TMSPM中的作用。通过掺入氨基酸可以提高处理后样品的聚合物负载量（PL）和拉伸性能，例如拉伸强度（TS）和断裂伸长率（Eb），并且通过添加氨基酸可以获得最高的性能（TS = 300％和Eb = 386％）。 L-精氨酸（Arg）处理的PL值为32.5％的样品。弱酸（如3％的乙酸）和无机酸（如1％的硫酸）也被加入到TMSPM接枝的优化系统中，并与氨基酸处理的样品比较了它们对拉伸性能的影响。还进行了处理和未处理的样品的吸水和耐候性，并且与未处理的样品相比，处理的样品显示出更少的吸水率以及更少的重量损失和机械性能。

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