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首页> 外文期刊>Journal of Applied Polymer Science >Rice husk-polyester composites: The effect of chemical modification of rice husk on the mechanical and dimensional stability properties
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Rice husk-polyester composites: The effect of chemical modification of rice husk on the mechanical and dimensional stability properties

机译：稻壳-聚酯复合材料：稻壳的化学改性对机械和尺寸稳定性的影响

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Rice husk was used as filler in the production of rice husk (RH)-polyester composites and was subjected to three types of chemical modification. The chemical reagents employed in this study were glycidyl methacrylate (GMA), maleic anhydride (MAH), and succinic anhydride (SAH). This study revealed that the chemical modification of RH with GMA and MAH resulted in the enhancements of tensile and flexural properties of RH-polyester composites. The reduction in these properties with respect to those modified with SAH were attributed to the absence of C = C unsaturated groups. Water immersion test showed that chemical modification of the RH improved the dimensional stability of the composites. This was shown in the GMA- and MAH-modified RH-polyester composites. The modification increased the hydrophobicity as well as the crosslinking between the RH and matrix in the composites. The lower performance demonstrated by the SAH-modified composites was due to the inability of the SAH to form crosslinking with the matrix. (c) 2005 Wiley Periodicals, Inc.
机译：稻壳被用作生产稻壳（RH）-聚酯复合材料的填料，并经过三种化学改性。本研究中使用的化学试剂为甲基丙烯酸缩水甘油酯（GMA），马来酸酐（MAH）和琥珀酸酐（SAH）。这项研究表明，用GMA和MAH对RH进行化学修饰可以提高RH-聚酯复合材料的拉伸和弯曲性能。相对于用SAH改性的那些，这些特性的降低归因于不存在C = C不饱和基团。水浸试验表明，对RH进行化学改性可改善复合材料的尺寸稳定性。这在GMA和MAH改性的RH-聚酯复合材料中得到了证明。改性增加了疏水性以及复合材料中RH和基质之间的交联。 SAH改性的复合材料表现出的较低性能是由于SAH无法与基质形成交联。 （c）2005年Wiley Periodicals，Inc.

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