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heat stabilizers
相关语句
  热稳定剂
     Present situation and development of heat stabilizers for PVC
     PVC热稳定剂现状及发展
短句来源
     Development trend of heat stabilizers for PVC and technological progress of zinc-based nontoxic heat stabilizers
     PVC热稳定剂的发展趋势与锌基无毒热稳定剂技术进展
短句来源
     s In this paper the performances (heat resistance、weathering resistance and malleability) of the new solid Ca Zn composite heat stabilizer for PVC were reported and compared with such as Ca(st) 2,Ba(st) 2,Zn(st) 2 and Ca(st) 2 and those of other heat stabilizers.
     制备了聚氯乙烯用新型固体钙锌复合热稳定剂,研究了它的耐热性、耐候性及其加工性,并与Ca(St)2,Ba(St)2 ,Zn(St)2 ,Cd(St)2 等常规的聚氯乙烯热稳定剂作了对比。
短句来源
     The functional mechanism, development applications and synthesis technology of liquid calcium-zinc compound heat stabilizers for PVC were introduced.
     介绍了液体钙/锌PVC复合热稳定剂的作用机理、开发应用及其合成工艺。
短句来源
     DEVELOPMENT AND APPLICATION PROSPECTS OF ANTIMONY HEAT STABILIZERS
     锑系热稳定剂的研究开发与应用前景
短句来源
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  “heat stabilizers”译为未确定词的双语例句
     Synergistic Effect among Non-Toxic Metal Soap Heat Stabilizers
     无毒金属皂间协同热稳定效果的研究
短句来源
     The suitable light stabilizers, heat stabilizers and antioxidant are added to preventnylon from degrading and ageing in applications to improve the quality of plastic productsand reduce the dispersion of properties.
     添加光、热氧稳定剂,防止尼龙在成型加工和使用过程中产生降解与老化,提高塑料制品的质量和减少性能的分散性;
短句来源
     According to this correlation,it could be inferred that the progressive change of compatibilities to the PVC matrix depending on the intermolecular forces accounted for the progressive change of heat stabilities and transparencies of rare earth fatty acid salts as heat stabilizers for PVC.
     根据这种关系分析,由分子间力递变引起的与PVC基质相容性的递变是添加脂肪酸稀土后PVC热稳定性和透明性递变的主要原因
短句来源
     The heat stabilities and transparencies of stearates of rare earth metals except scandium and promethium used as heat stabilizers as PVC were studied.
     研究了钪、钷外其他稀土金属硬脂酸皂对PVC热稳定作用。
短句来源
     This result of the impact effect among the Heat stabilizers obtained by this optimization design is compliant with the experiment result and the experiment time is reduced compared with using of the simplex focus design method.
     利用该模型进行优化设计获得的稳定剂间的效应与实验结果一致 ,且优化设计所需次数比采用目前常用的单纯形重心设计方法的实验次数少
短句来源
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  相似匹配句对
     Organoantimony Heat Stabilizers
     有机锑热稳定剂
短句来源
     THE RECENT DOMESTIC DEVELOPMENT OF HEAT STABILIZERS
     近年来国内热稳定剂发展
短句来源
     THE SERVICE IS THE HEAT
     服务是心
短句来源
     T,the heat treatment;
     T5燃油热风机加温处理,此燃油热风机采用电接打火设备,能够根据所要调节的温度增大或减小功率,以达加温的目的;
短句来源
     Ship Stabilizers
     舰船减摇装置
短句来源
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  heat stabilizers
Preparation of tetra-(4-hydroxy-3,5-di-tert-butylphenylalkoxy)silanes and a study of their efficiency as heat stabilizers for po
      
The polyvinyl chloride resins containing antimony mercaptide heat stabilizers, do not darken at elevated temperatures and exhibit a high degree of stability.
      
Boric Acid Esters as Fungicide Additives and Heat Stabilizers of Elastomers Based on Siloxane Rubber
      


This paper described preparative separation of ultraviolet absorbers in polymethylmethacrylate and heat stabilizer in polycarbonate by means of HPLC analytical column zorbax sil column (250×4.6mm I. D.) and Tiangin YWG column (250×4mm I. D.) were used and the mobile phase was n-hexane ,methylene chloride(contain 0.5%-2%methanol.)The optimal preparative conditions were discussed.

本工作采用分析型高效液相色谱柱,制备分离了有机玻璃中的紫外吸收剂和聚碳酸酯中的热稳定剂,并对制备分离条件进行了探讨。

it is shown that a thiol u. v. stabilzer and a thiol heat stabilizer can be effectively bound to PVC during processing in the presence of an alk-yltin stabilizer. Thiol u.v.stabilizer interferes with the processing stability of PVC to a lesser extent than a conventional u. v. stabilizer ( 2 -hydroxy-4 octoxy benzophenone ) ( HOBP ) . The reason why DOTG has a good heat stabilization on PVC during processing. The heat stabilizers and u. v. stabilizers have a good synergistic action on PVC with their...

it is shown that a thiol u. v. stabilzer and a thiol heat stabilizer can be effectively bound to PVC during processing in the presence of an alk-yltin stabilizer. Thiol u.v.stabilizer interferes with the processing stability of PVC to a lesser extent than a conventional u. v. stabilizer ( 2 -hydroxy-4 octoxy benzophenone ) ( HOBP ) . The reason why DOTG has a good heat stabilization on PVC during processing. The heat stabilizers and u. v. stabilizers have a good synergistic action on PVC with their best molor ratio in the thermal-oxidative photo stabilization, however, the molar ratio relate to the stabilizer activity on PVC.The mechanism above is discussed and a new idea is offered which about theoretical quantity of .sta-bilizer used in PVC.

本文根据大量实验数据和曲线阐述了PVC稳定剂DOTG、DBTM、BHBM、EBHPT及HOBP(分子结构式见附录)在PVC热加工中的作用、机理以及它们相互间复合使用的比率与防PVC热氧、光氧老化的关系及其协同效应情况.

In order to ensure the colourlessness and transparency of RPVG produ-cts,a home-made high series suspension grade PVC should be chosen first.The stabilizer system includes heat stabilizer,antioxidant,and synergisticstabilizer,etc.Organotins and metallic soaps can be used,and the compositemetallic soaps are more preferable.Internal and external lubricants areall nacessary,but,transparency of the final products will decrease with alittle more amount of external lubricants.ACR can shorten the plastificationtime,improve...

In order to ensure the colourlessness and transparency of RPVG produ-cts,a home-made high series suspension grade PVC should be chosen first.The stabilizer system includes heat stabilizer,antioxidant,and synergisticstabilizer,etc.Organotins and metallic soaps can be used,and the compositemetallic soaps are more preferable.Internal and external lubricants areall nacessary,but,transparency of the final products will decrease with alittle more amount of external lubricants.ACR can shorten the plastificationtime,improve the quality of plastificalion,and make the products appearancebetter.The compatibility of PVC with impact modifiers is limited,so thatthe refraction index of these two phases must be closed each other to ensurethe colourlessness and transparency of the final products.

为了保证 RPVC 制品无色透明,应选用国产高型号悬浮聚合 PVC。稳定剂体系包括热稳定剂、抗氧剂和协同稳定剂等。有机锡和金属皂可用于无色透明配方,金属皂宜用复合物。内、外润滑剂都是必要的,外润滑剂稍多时透明度即下降。ACR 可缩短塑化时间,提高塑化质量,改善制品外观。抗冲击剂与 PVC 的相容性有限,应使两相的折光指数接近,才能保证制品无色透明。

 
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