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摘要:
Natural products from agricultural wastes are finding importance in the polymer industry due to their many advantages such as being lightweight,low cost and environmentally friendly.In the present study the potential of the two types of rice husk ash(RHA)prepared under different conditions as fillers in natural rubber-based elastomer composites was investigated.The fillers were prepared by rice husks incineration and characterized by means of X-ray powder diffraction(XRD),Fourier transform infrared spectroscopy(FTIR),scanning electron microscope(SEM),Brunauer-Emmett-Teller(BET)specific surface area,Hg-porosimetry and N2-adsorption.The evaluation involved determining the vulcanization characteristics of the compounds and their physical and mechanical characteristics,resistance to thermal aging as well as the dynamic properties of the vulcanizates containing RHA.It has been found that the ash from rice husk has good potential as filler in elastomers,especially as a substitute for synthetic commercially available silica.RHA improves the grip on ice and snow better than standard silica and may be used in formulations for shoe soles used for winter sports,extreme hiking footwear,ski boot soles,winter tire protectors,etc.Its quality depends on the conditions under which rice husk is incinerated.It is recommended to run the process at a temperature not higher than 800°C.In particular,cases in which the vulcanizates contain biogenic silica have very interesting characteristics like improved modulus at 300%of elongation,lower residual elongation,higher mechanical loss angle tangent at 0℃ and lower at 60℃,and are superior to those of the vulcanizates containing commercially available filler Ultrasil■7000 GR.
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篇名 Biogenic Amorphous Silica as Filler for Elastomers
来源期刊 可再生材料杂志(英文) 学科 工学
关键词 RICE husk ASH FILLERS NATURAL rubber mechanical characteristics dynamic properties
年,卷(期) kzsclzzyw_2018,(4) 所属期刊栏目
研究方向 页码范围 402-412
页数 11页 分类号 TB3
字数 语种
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研究主题发展历程
节点文献
RICE
husk
ASH
FILLERS
NATURAL
rubber
mechanical
characteristics
dynamic
properties
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研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
可再生材料杂志(英文)
月刊
2164-6325
江苏省南京市浦口区东大路2号东大科技园A
出版文献量(篇)
126
总下载数(次)
1
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