等规聚丙烯
- 网络isotactic polypropylene;ipp
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等规聚丙烯未拉伸丝的结构对拉伸性能的影响
Effect of Structure of IPP Undrawn Monofilament on Drawing Behavior
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等规聚丙烯球晶形变过程的研究
A Study on the Process of IPP Spherulite Deformation
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研究了等规聚丙烯(iPP)在加工过程中的降解机理及其力学性能的变化。
Degradation mechanism of isotactic polypropylene ( iPP ) in processing was studied by multiple extrusions .
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等规聚丙烯纤维结构与性能研究&中粗旦FDY成型过程中的结构变化
Study on the structure and property of IPP fiber & structure changes of mid-coarse FDY in forming process
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由于茂金属催化剂价格昂贵,国内生产的聚丙烯多为Ziegler-Natta等规聚丙烯。
The metallocene catalyst is expensive , so most polypropylene in domestic industry is prepared by Ziegler-Natta catalyst .
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采用搅拌式固相法制备氯化等规聚丙烯(CIPP),讨论了不同的温度控制方式对等规聚丙烯氯化反应的影响。
The chlorinated isotactic polypropylene ( CIPP ) was prepared via solid state chlorination method .
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等规聚丙烯(iPP)是一种半结晶性聚合物,它的结晶程度和结晶完整性在很大程度上依赖于结晶条件和后处理。
Isotactic polypropylene ( iPP ) is a kind of semi-crystalline polymer , the crystalline structure and perfection of which depends largely on the crystallization and annealing conditions .
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通过差示扫描量热仪(DSC)和X射线衍射分别研究了二氧化硅(SiO2)粒子填充等规聚丙烯(iPP)和共聚聚丙烯(co-PP)复合材料的结晶行为和晶体结构。
The crystallization and melting behavior of isotactic polypropylene ( iPP ) and polypropylene copolymer ( co-PP ) containing silicon dioxide ( SiO2 ) were investigated using differential scanning calorimeter ( DSC ) and X-ray diffraction .
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采用DSC考察了2,2′亚甲基双(4,6二叔丁基苯基)磷酸的不同金属盐在等规聚丙烯中的成核效应,并研究了这些成核剂对等规聚丙烯力学性能和光学性能的影响。
Nucleation efficiency of 2,2 ′ - methylene-bis ( 4,6-di-tert-butylphenyl ) phosphoric acid metal salts as the nucleators for isotactic polypropylene ( iPP ) were investigated with differential scanning calorimeter ( DSC ), their effects on mechanical and optical properties of iPP were also studied .
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本文选用机械熔融共混的方式制备了等规聚丙烯(iPP)和顺丁橡胶(PcBR)共混物,并对共混物结构和性能做了系统的研究。
In this paper , the blends of Isotactic polypropylene and material poly ( cis-butadiene ) rubber ( iPP / PcBR ) blends were prepared by melt blending .
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采用密度法,声速法,X射线衍射,强力试验仪研究了化学降解改进剂含量不同的等规聚丙烯IPP(Z30S)共混纤维的结构和性能;
The structure and properties of fiber of IPP ( Z30S ) blent with different content of chemical degrading modifying adduct have been studied by the way of density , velocity of sound , Xray diffraction and stressmeter .
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等规聚丙烯(iPP)作为通用塑料的主要组成部分,具有良好的加工性能和应用性,以其良好的结晶性能和重要的工业应用背景为人们所关注。
As the main kind of plastics , Isotactic polypropylene ( iPP ) has good processing properties and application properties . Because of its good crystallization ability and the important industrial application background , iPP is applied in more and more field .
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本工作对室温拉伸的等规聚丙烯(iPP)及其退火样品进行了收缩应力、应力应变及动态力学性能测量,得到了在温度升高和降低过程中收缩应力的变化。
The retractive stress , strain-stress and dynamic mechanical properties have been measured for the isotactic polypropylene ( iPP ) samples as drawn and annealed . With increasing temperature , the retractive stress increases , goes through a maximum and then decreases rapidly .
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利用偏光显微镜观察了等规聚丙烯(iPP)在透明成核剂TM-3作用下的等温结晶形态,并与普通成核剂苯甲酸钠的影响作了对比。
Isothermal crystalline morphology of isotactic polypropylene ( iPP ) with clarifying nucleator - TM-3 was observed by polarized light microscope . In addition , the morphology was compared with that of iPP containing ordinary nucleator sodium benzoate .
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结果表明,选择适当的控温方式制得氯分布均匀的CIPP溶解性较好;原料熔融指数高的等规聚丙烯原料制得的CIPP产品溶解性较好;
The results showed that the properties of the raw material such as the size , melting index ( MI ) and reaction temperature , cl content are important factors to effect the dissolvability of the CIPP .
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以用等规聚丙烯改性氯化制得的氯化聚丙烯(MCPP)与聚乙二醇(PEG)为原料,在金属钠作用下,合成了以MCPP为主链、PEG为支链的梳形结构的两亲性高聚物。
With chlorinated polypropylene ( MCPP ) and poly ( ethylene glycol ) ( PEG ) as raw materials , a kind of new comb - shaped amphipathic polymer containing PEG side chains attached to a MCPP backbone was synthesized in the presence of sodium .
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超临界聚合法等规聚丙烯的结晶行为
Study on Crystallization Behavior of isotactic polypropylene produced by Supercritical Polymerization
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等规聚丙烯加工过程中的降解机理及性能变化
Degradation Mechanism and Mechanical Properties Change of Isotactic Polypropylene in Processing
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等规聚丙烯β晶形态研究
Study of the morphology of β - modification of isotactic polypropylene
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加苯甲酸类成核剂的等规聚丙烯结晶动力学的研究
The Effect of Nucleating Agents on Crystallization Kinetics of Isotactic polypropylene
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β晶型等规聚丙烯的成核剂结构特征
Structure of nucleators inducing β - phase crystallization in isotactic polypropylene
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高含量β晶型等规聚丙烯的研究
Studies on High Levels of β - Form Isotactic Polypropylene
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具非晶态接枝链的等规聚丙烯超分子结构的研究
A Study of Supermolecular Structures of Isotactic Polypropylene with Amorphous Grafting Chains
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稀释剂-等规聚丙烯体系球晶形态和双折射的研究
Study on the spherulite morphology and birefraction of diluent-isotactic polypropylene
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聚苯乙烯/等规聚丙烯共混中双重海/岛复合结构的形成
Formation of double sea-island composite structure in blending polymers
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间规聚丙烯与等规聚丙烯共混物的结晶行为
Crystallization Behavior of Blends of Syndiotactic and Isotactic Polypropylene
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透明成核剂作用下的等规聚丙烯的结晶形态
Crystalline Morphology of Isotactic Polypropylene Containing Clarifying Nucleating Agents
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固相法化学降解等规聚丙烯
Chemical degradation of isotactic PP by solid state reaction
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等规聚丙烯及其共混复合体系的辐射交联
Radiation crosslinking of isotactic polypropylene and its blend system
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水相法合成氯化等规聚丙烯的研究
Study on Synthesis of CIPP with Aqueous Method