Studies on the Influence of Molecular Weight and Isotacticity of Polypropylene on the Formation of Mesomorphic Phase

Singh G; Kaur S; Kothari AV; Naik DG; Vyas PB; Gupta VK

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Studies on the Influence of Molecular Weight and Isotacticity of Polypropylene on the Formation of Mesomorphic Phase

机译：聚丙烯的分子量和全同立构规整度对同构相形成影响的研究

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Polypropylene (PP) blends with various molecular weight and isotacticity were prepared through Solution blending and Subjected to rapid melt quenching. Structural changes in the PP matrix during mesomorphic phase formation were measured by FTIR spectroscopy and wide-angle X-ray diffraction measurements. The blends with different molecular weight and isotacticity provided the pathway to understand their influence oil mesomorphic phase formation. It is observed that low molecular weight PP with low isotacticity forms mesomorphic phase, whereas high molecular weight and low isotactic PP does not lead to the formation of mesomorphic phase.

机译：通过溶液共混制备具有不同分子量和全同规整度的聚丙烯（PP）共混物，并进行快速熔融淬火。通过FTIR光谱法和广角X射线衍射测量法测量了在同晶相形成过程中PP基质的结构变化。具有不同分子量和全同立构规整度的共混物提供了了解其影响油同晶相形成的途径。观察到，具有低全同立构规整度的低分子量PP形成了介晶相，而具有高分子量和低全同立构规整度的PP没有导致形成同构相。

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《Journal of Applied Polymer Science》 |2009年第5期|共6页
作者
Singh G; Kaur S; Kothari AV; Naik DG; Vyas PB; Gupta VK;
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正文语种 eng
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关键词
polypropylene; mesomorphic state; isotacticity; molecular weight;

机译：聚丙烯;同构状态;等规度;分子量;

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1. Studies on the Influence of Molecular Weight and Isotacticity of Polypropylene on the Formation of Mesomorphic Phase [J] . Singh G, Kaur S, Kothari AV, Journal of Applied Polymer Science . 2009,第5期

机译：聚丙烯的分子量和全同立构规整度对同构相形成影响的研究
2. Effect of Isotacticity on Formation of Mesomorphic Phase of Isotactic Polypropylene [J] . Takashi Konishi, Koji Nishida, Toshiji Kanaya, Macromolecules . 2005,第21期

机译：全同立构规整度对全同立构聚丙烯同构相形成的影响
3. A real-time study of homogeneous nucleation, growth, and phase transformations in nanodroplets of low molecular weight isotactic polypropylene using AFM [J] . Kailas L, Vasilev C, Audinot JN, Macromolecules . 2007,第20期

机译：使用AFM实时研究低分子量等规聚丙烯纳米液滴中的均匀成核，生长和相变
4. Mesomorphic-monoclinic Phase Transition in Isotactic Polypropylene: A Study of Processing Effects [C] . Sara A. Arvidson, Saad A. Khan, Russell E. Gorga PMSE Symposia . 2009

机译：同位素聚丙烯中的中晶型单斜相转变：加工效果研究
5. TRANSMISSION ELECTRON MICROSCOPY STUDY OF PHASE TRANSFORMATIONS IN TERNARY NICKEL(4)MOLYBDENUM-BASED ALLOYS CONTAINING 0 TO 4 WEIGHT PERCENT CHROMIUM (NICKEL-MOLYBDENUM, ALLOYING EFFECTS, CHROMIUM). [D] . VASUDEVAN, K. 1986

机译：含0至4重量百分比铬（镍，钼，合金作用，铬）的三元镍（4）钼基合金的相变的透射电子显微镜研究。
6. Time-Resolving Study of Stress-Induced Transformations of Isotactic Polypropylene through Wide Angle X-ray Scattering Measurements [O] . Finizia Auriemma, Claudio De Rosa, Rocco Di Girolamo, 2018

机译：通过广角X射线散射测量的应力诱导的全同立构聚丙烯相变的时间分辨研究
7. Study of the Molecular Weight Influence on the Formation of the ß-polymorph in Metallocenic Isotactic Polypropylene [O] . Benavente Castro Mª del Rosario, Polo-Corpa M.J., Pérez Tabernero Ernesto, 2009

机译：分子量对茂金属全同立构聚丙烯中β-多晶型物形成影响的研究
8. Synthesis of Side Chain Liquid Crystal Polymers by Living Ring Opening MetathesisPolymerization. 3. Influence of Molecular Weight, Interconnecting Unit and Substituent on the Mesomorphic behavior of Polymers with Laterally Attached Mesogens [R] . Pugh, C., Schrock, R. R. 1992

机译：活环开环复分解聚合合成侧链液晶聚合物。 3.分子量，互连单元和取代基对具有横向附着的中间体的聚合物的介晶行为的影响

Studies on the Influence of Molecular Weight and Isotacticity of Polypropylene on the Formation of Mesomorphic Phase

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