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首页> 外文期刊>Industrial Crops and Products >Soy polyol-based polyurethane modified by raw and silylated palygorskite.
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Soy polyol-based polyurethane modified by raw and silylated palygorskite.

机译:大豆多元醇基聚氨酯,经生硅烷基化坡缕石改性。

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摘要

In this study, we investigated the structure and loading effects of raw and silylated palygorskite (R-PA and S-PA) on the properties of soy polyol-derived polyurethane (PU) nanocomposites. Scanning electron microscope demonstrated that relatively homogeneous dispersion of both the R-PA and S-PA in the PU matrix. Dynamic mechanical analysis confirmed that both the PA could significantly improve the storage modulus and the glass transition temperature of PU nanocomposites, along with an intensified effect with the increase of PA loading. Tensile tests showed that both the PA has a prominent reinforcement effect on PU. Besides, we found that S-PA could slightly improve the thermal stability of PU nanocomposites, different from the case of the R-PA.
机译:在这项研究中,我们研究了原料和甲硅烷基坡缕石(R-PA和S-PA)对大豆多元醇衍生聚氨酯(PU)纳米复合材料性能的影响。扫描电子显微镜表明,R-PA和S-PA在PU基质中的分散相对均匀。动态力学分析证实,PA均可以显着提高PU纳米复合材料的储能模量和玻璃化转变温度,并随着PA含量的增加而增强作用。拉伸试验表明,两种PA对PU均具有显着的增强作用。此外,与R-PA的情况不同,我们发现S-PA可以稍微改善PU纳米复合材料的热稳定性。

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