纳米金刚石纳米基体结构天然橡胶的能弹性和熵弹性起源

IF 1.2 4区工程技术 Q4 POLYMER SCIENCE

Rubber Chemistry and Technology Pub Date : 2021-06-14 DOI:10.5254/rct.21.79923

A. Gannoruwa, Yuanbing Zhou, Kenichiro Kosugi, Yoshimasa Yamamoto, S. Kawahara

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引用次数: 2

摘要

基于天然橡胶和纳米基体内纳米金刚石之间的相互作用，从纳米金刚石之间形成的结合橡胶的角度研究了具有纳米金刚石纳米基体结构的天然橡胶的能量弹性和熵弹性的起源。具有纳米金刚石纳米基质结构的天然橡胶是通过在30°C的叔丁基氢过氧化物/四亚乙基五胺存在下，在乳胶阶段使纳米金刚石与脱蛋白天然橡胶反应，然后干燥而制备的。通过二维和三维透射电子显微镜观察了产物的形貌。通过动态力学性能和差示扫描量热法的测量，研究了粘结橡胶对产品力学性能的影响。结合Takayanagi方程和修正的Guth–Gold方程估算了粘结橡胶的贡献。复合模量的显著增加归因于粘结橡胶的作用。

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ORIGIN OF ENERGETIC ELASTICITY AND ENTROPIC ELASTICITY OF NATURAL RUBBER WITH NANODIAMOND NANOMATRIX STRUCTURE

The origin of energetic elasticity in conjunction with the entropic elasticity for natural rubber with a nanodiamond nanomatrix structure was investigated in terms of bound rubber formed between nanodiamonds, based on the interaction between natural rubber and nanodiamonds inside the nanomatrix. The natural rubber with a nanodiamond nanomatrix structure was prepared by reacting nanodiamonds with deproteinized natural rubber in the presence of tert-butylhydroperoxide/tetraethylenepentamine at 30 °C in the latex stage followed by drying. Morphology of the products was observed by two-dimensional and three-dimensional transmission electron microscopies. The effect of bound rubber on the mechanical properties of the products was investigated by measurements of the dynamic mechanical properties and differential scanning calorimetry. The contribution of bound rubber was estimated by combining the Takayanagi equation and modified Guth–Gold equation. A significant increase in complex modulus was attributed to the effect of the bound rubber.

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来源期刊

Rubber Chemistry and Technology 工程技术-高分子科学

CiteScore

3.50

自引率

20.00%

发文量

审稿时长

3.6 months

期刊介绍： The scope of RC&T covers: -Chemistry and Properties- Mechanics- Materials Science- Nanocomposites- Biotechnology- Rubber Recycling- Green Technology- Characterization and Simulation. Published continuously since 1928, the journal provides the deepest archive of published research in the field. Rubber Chemistry & Technology is read by scientists and engineers in academia, industry and government.