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小木虫论坛-学术科研互动平台» 学术交流区» 论文翻译 » 论文翻译求助完结子版 » 摘要 急求摘要翻译呀 急急如律令啊筒子们 高质量答案可追加哟
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高卢oo

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[求助] 摘要 急求摘要翻译呀 急急如律令啊筒子们 高质量答案可追加哟

摘 要：采用在废旧轮胎胶粉（GTR）与HDPE的熔融挤出过程中提高双螺杆挤出机螺杆转速的高剪切应力诱导方法，研究了双螺杆挤出机的螺杆转速、挤出反应温度及脱硫促进剂仲丁醇、烷基酚多硫化物（420或450）和正丁胺对轮胎胶脱硫共混物（DGTR/HDPE）的凝胶含量、熔体流动速率、溶胶红外吸收光谱及轮胎胶脱硫共混物(DGTR/HDPE)/三元乙丙橡胶(EPDM)动态交联热塑性弹性体力学性能的影响。结果表明：高转速同向双螺杆挤出机的高剪切作用，可诱发废旧轮胎胶共混物中交联网络的断链和解交联反应，引起脱硫共混物凝胶含量的下降、未熔融凝胶颗粒尺寸的减小及熔体流动速率的增加；四种促进剂均具有明显促进脱硫反应的作用，其中450或正丁胺的促进脱硫效果较好，并引起脱硫产物凝胶含量下降、熔体流动速率上升及动态交联热塑性弹性体力学性能的明显改善；当以正丁胺为脱硫促进剂时，最佳脱硫反应条件（240℃和1000r/min）下，DGTR/HDPE/EPDM动态交联热塑性弹性体的拉伸强度和断裂伸长率分别达到12.5Mpa和440.6%。
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1楼2011-12-15 10:49:36
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terry_well

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wg423(金币+50, 翻译EPI+1): 代发金币 2011-12-15 19:02:38
Abstract: In the melting extrusion process of the waste tire rubber powder (GTR) and high density polyethylene (HDPE), a high speed and high shear stress-induced twin-screw extruder screw method was used to study the effect of twin-screw extruder screw speed and extrusion the reaction temperature on the physical properties of thermoplastic mterials. Besides, the effects of the desulfurization agent butanol, alkyl polysulfides (420 or 450) and n-butylamine desulfurization of tire rubber blends (DGTR/HDPE) of gel content, flow rate, sol-infrared absorption spectroscopy and desulfurization tire rubber blends (DGTR/HDPE) ethylene propylene diene monomer rubber (EPDM) dynamic cross-linking process on the mechanical properties of such materials. It was shown that high-speed twin-screw extruder with high shear could  induce the scission of cross-linked network chain and reconciliation crosslinking reaction for waste tire rubber blends, causing desulfurization blends gel content decreased and reducing the size of non-melting gel particles and increasing the flow rate of the melt. In fact, those four kinds of promoters played obvious role to promote the desulfurization reaction, in which 450 or n-butylamine could promote the desulfurization effect and decrease content of desulfurization products gel and increase the flow rate of the melting. In this way, the physical properties of dynamic cross-linked thermoplastic elastomer were significantly improved. When n-butylamine as desulfurization agents was promoted, the best desulfurization reaction conditions (240 ℃ and 1000r/min) under, DGTR / HDPE / EPDM dynamically crosslinked thermoplastic elastomer tensile strength and elongation at break were obtained as 12.5MPa and 440.6%, respectively.
Keywords: desulfurization, EPDM, elastomer, tire, accelerator;
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签名:英文名“Terry”,EC版专用；中文名“浆糊哥”，灌水专用，谢谢合作！
2楼2011-12-15 17:54:02
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wg423(金币+50, 翻译EPI+1): 代发金币 2011-12-15 19:02:48
Abstract：The high shear stress inducing method, which was used to increase the screw revolving speed of the twin-screw extruder during the melt extrusion process of the waste tire rubber powder (GTR) and HDPE, was applied to study the influences on the gel content, melt flow rate, sol gel infrared absorption spectrum of the tire rubber desulfuration blends(DGTR/HDPE) and the mechanical properties of the tire rubber desulfuration blends(DGTR/HDPE)/ EPDM dynamical cross linking thermal plastic elastic body, by the screw revolving speed of the twin-screw extruder, the extrusion reaction temperature and the desulfuration accelerating agent, including the sec-butyl alcohol, the alkylphenol polysulfide(420 or 450) and the n-butylamine. The results showed that: the high shearing action of the co-rotating twin-screw extruder with high revolving speed could induce the chain scission and disassemble the cross linking reaction of the waste tire rubber blends, leading to the decrease of the gel content of the desulfuration blends, the decrease of the unmelted gel grain size and the increase of the melt flow rate; The four kinds of accelerating agents had an apparent effect of improving the desulfuration reaction, among which the 450 or the n-butylamine had better effect, leading to the decrease of the gel content of the desulfuration products, the increase of the melt flow rate and the apparent improvement of the mechanical properties of the dynamic cross linking thermal plastic elastic body; With the n-butylamine being the accelerating agent, under the best desulfuration reaction conditions（240℃ and 1000r/min）, the tensile strength and the elongation at break of the DGTR/HDPE/EPDM dynamic cross linking thermal plastic elastic body were 12.5Mpa and 440.6%, respectively.
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3楼2011-12-15 17:55:51
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