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blowing agents
相关语句
  发泡剂
     The results showed that for preparing EPDM sponge,the optimal addition levels of blowing agents AC,OBSH or H were 5,5 and 3 phr respectively;
     结果表明,以发泡剂AC,OB-SH或H制备EPDM海绵,最佳用量分别为5,5和3份;
短句来源
     The influences of blending ratio of LDPE/BR, crosslinkers, blowing agents and promoters, fillers and blending temperatures, blowing temperatures on the performance of the microporous material of LDPE/BR blend have been studied.
     讨论了LDPE/BR并用比、交联剂、发泡剂及助剂、填料和共混温度、发泡成型温度对LDPE/BR并用比、交联剂、发泡剂及助剂、填料和共混温度、发泡成型温度对LDPE/BR微孔塑料性能、结构的影响。
短句来源
     Present Study Situation and Development Tendency of Blowing Agents
     发泡剂的研究现状与发展趋势
短句来源
     The present situation of the study of HCFC-123 and HCFC--141b,the most promising substitutes of blowing agents for PU foams, and the development of the application of HCFC- 123 and HCFC- 141b to rigid and soft foams aredescribed in this paper.
     本文综述了用作聚氨酯发泡剂的HCFC—123和HCFC—141b两个最有希望的代用品的研究现状及其在硬质和软质聚氨酯泡沫塑料中的应用技术进展;
短句来源
     Study on Decomposition Temperature of Blowing Agents
     发泡剂分解温度的研究
短句来源
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  “blowing agents”译为未确定词的双语例句
     The results show that the optimal processing of aluminum foams which have uniform structure and controlled porosity is that the blowing agents are -200 mu and which mass percentage is 1%, the foaming temperature is 680 C and heat preservation time is 10min.
     研究结果表明,对于实验采用的AlSi6合金粉末来说,加热发泡制备出孔隙结构均匀,孔隙率可控的泡沫铝的最优条件是:采用质量百分含量为1%的—200目经预处理的TiH_2,发泡温度为680℃,保温时间为10min。
短句来源
     2-5mm pore diameter, and 0.4-0.6 restive density, were produced by the P/M method, i.e. by mixing 6061 powders and blowing agents and pressing them to densification, then foaming.
     制备的泡沫铝其相对密度为0.2~0.6,平均孔径为2~5mm,孔隙率为40%~85%。
短句来源
     A Study on Testing Method for Decomposition Characteristics of Blowing Agents in Rubber Media
     橡胶介质中发泡剂分解特性测试方法的研究
短句来源
     Using chemical crosslinking technology and one- step compression molding process,the foaming technique of flame- retardant polyvinyl chloride(PVC) foamed plastics modified by nitrile rubber(NBR) was studied. The effects of chlorinated paraffin(CP) ,dioctyl phthalate(DOP),Sb2O3,modified rubber types,blowing agents,fillers and crosslinking agent on modified flame- retardant PVC foam were discussed.
     在以聚氯乙烯( PVC)为主体材料、加入丁腈橡胶( NBR)共混改性、用化学交联模压一步法制备改性 PVC泡沫塑料的基础上,选用阻燃型增塑剂氯化石蜡( CP)、阻燃剂 Sb2O3进行阻燃型 NBR改性 PVC软质泡沫塑料的制备研究。
短句来源
     Effect of the Ratio of Two Blowing Agents HAP and DME on the OCF Foaming and Foam Dimensional Stability
     丙丁烷与二甲醚比例对OCF发泡及泡沫尺寸稳定性的影响
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  相似匹配句对
     BLOWING AGENTS FOR POLYPROPYLENE
     聚丙烯发泡剂
短句来源
     Blowing Agents for Plastics
     塑料发泡剂
短句来源
     Research of Agents
     关于Agent的研究
短句来源
     RESEARCH ON THE GEO AGENTS
     Geo-Agents研究
短句来源
     Blowing carding and Autoleveller
     清梳联与自调匀整
短句来源
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  blowing agents
Such melts can be foamed by injecting gases or by adding gas-releasing blowing agents which cause the formation of bubbles during their in-situ decomposition.
      
The research presented is of interest both in determining the foam durability and in replacing freons by alternative, ecologically less harmful blowing agents.
      
Chlorofluorocarbons (CFCs) are used as propellants in spray cans, as refrigerants and as blowing agents for plastic foams, which are finally dumped together with solid wastes in landfills.
      
The measurements are needed to help identify alternative refrigerants and blowing agents that do not deplete the stratospheric ozone layer.
      
A novel technique is described for studying the growth of foam from polymer melts containing thermally-decomposable blowing agents.
      
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Decomposition curve of diazodicarboxamide(AC.) was determined by simple equipment andmethod, Different foaming accelerators, inhibitors,blowing-agent-accelerator binary systems and blo-wing agent-accelerator-inhibitor ternary systems werestudied. The basic requirement for chemical embos-sing process and influential factors were discussed,and a useful formulation for the embossion processwas suggested, good result was obtained.

用简易的装置和方法测定了发泡剂,发泡剂—促进剂,发泡剂—抑制剂和发泡剂—促进剂—抑制剂等体系不同促进剂、制抑剂,不同配比的偶氮二甲酰胺(AC)分解特性曲线并讨论了化学压花工艺的基本要求及各组份的影响,从而选择了适合PVC发泡—促进—抑制体系的化学压花配方和工艺,制得了具有立体图案的试样。

This Paper studies the relationship between density of flexible polyure-thane foam and it's physical-mechanical properties Under the condition of dif-ferent amount of water as blowing agents.Optimum foaming formulations andrange of densities has been found for production.

本文用水作发泡剂,通过变化用水量,研究软质聚氨酯泡沫塑料的密度与物理机械性能之间的关系。找出具有最佳物理机械性能的发泡配方和密度范围,用以指导生产。

The theological behavior study of the extruded rigid PVC structural foamplastics(RPVC-SF)was carried out with“capillary die”fitted on Theconventional single screw extruder.It was found that the rheological beha-vior of PVC melt contained with the blowing agent AC appears to be pseudo-plastic fluid characteristic,and can be expressed as Ss=K·S_r~n,flow behaviorindex n《l,and that the entrance angle a,diameter D and length L ofextrusion die affected strongly the rheological behavior of RPVC-SF,Theoptimal...

The theological behavior study of the extruded rigid PVC structural foamplastics(RPVC-SF)was carried out with“capillary die”fitted on Theconventional single screw extruder.It was found that the rheological beha-vior of PVC melt contained with the blowing agent AC appears to be pseudo-plastic fluid characteristic,and can be expressed as Ss=K·S_r~n,flow behaviorindex n《l,and that the entrance angle a,diameter D and length L ofextrusion die affected strongly the rheological behavior of RPVC-SF,Theoptimal die parameters are a=90°and L:d=3:1-5:1 for achieving a lowerdensity(d<0,89/cm~3)products。

本文详细论述了使用直接装在普通单螺杆挤出机上的“毛细管”机头研究硬PVC 结构泡沫塑料(RPVC-SF)挤出过程中流变行为的全过程。实验结果表明:含发泡剂 AC 的 PVC 熔融物的流变行为具有假塑性流体的特性,可以表示为 S_S=K·Sr~n,流变行为指数 n<<1,机头口模的进口角α、直径 D 和长度 L 对 RPVC-SF 的流变行为有强烈影响。使用合适参数的口模,例如α=90度,L/D=3∶1-5∶1,就能获得密度 d 小于0.8g/cm~3的制件。

 
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