退火纳米金刚石/环氧树脂纳米复合材料的吸水性能研究

Q4 Materials Science

Journal of Surface Science and Technology Pub Date : 2022-05-12 DOI:10.18311/jsst/2021/25380

Baljit Singh, A. Mohanty

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引用次数: 0

摘要

研究了退火纳米金刚石颗粒填充环氧树脂复合材料的吸水性能。通过热处理去除原始ND中存在的杂质及其表面改性。将不同重量百分比的ND（0.1、0.3和.05wt%）以可控的方式掺入商业级环氧树脂（L-12）中。观察到ND在复合材料中良好且均匀的分布。这导致环氧链的迁移率降低，这是由于在ND周围形成高度固定的单层以及在ND和环氧树脂之间形成氢键。测量了所得复合材料的吸水率和接触角性能。结果表明，复合材料的吸水率和接触角随掺入ND的增加而减小。结果表明，在环氧树脂基体中掺入ND，可提高复合材料的耐水性。

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Study of Water Absorption Properties of Annealed Nanodiamond/Epoxy Nanocomposites

Water absorption behavior of annealed Nanodiamond (ND) particle filled epoxy composite, has been studied. Removal of impurity present in the pristine ND and its surface modifications, were carried out by heat treatment. Different weight percent of ND (0.1, 0.3 and .05 wt. %) were incorporated in a commercial grade epoxy resin (L-12) in a controlled manner. A good and homogeneous distribution of ND in the composite, was observed. This resulted in reduction of mobility of the epoxy chain due to formation of highly immobile mono-layers around ND as well as formation of hydrogen bond between the ND and the epoxy. The water absorption and the contact angle properties of the resulting composites are measured. The results indicate that the water absorption as well as contact angle of the composite decrease with the increase of incorporated ND. It is observed that incorporation of ND into epoxy matrix, enhances the water resistance property of the composite.

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来源期刊

Journal of Surface Science and Technology PHYSICS, APPLIED-

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期刊介绍： The Indian Society for Surface Science and Technology is an organization for the cultivation, interaction and dissemination of knowledge in the field of surface science and technology. It also strives to promote Industry-Academia interaction