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Synergistic Effect of Multi-Arm Architecture and Molecular Weight on Crystallization and Degradation Behavior of Star-Shaped Poly(Lactic Acid): 《Chinese Journal of Polymer Science》2024年第12期1948-1956,I0009,共10页Nan Tian Yi-Qing Li Hong-Yi Gan Zhen-Bo Ning Ni Jiang Zhi-Hua Gan; This work was financially supported by the National Natural Science Foundation of China(No.51973010).; Star-shaped poly(lactic acid)s(PLAs)with two to five arms were synthesized by ring opening polymerization using tin(II)2-ethylhexanoate as catalyst and polyols as initiators.The effects of molecular weight together wi...; 关键词：Star-shaped poly(lactic acid) CRYSTALLIZATION Spherulite morphology Alkaline degradation

Unusual Spherulitic Morphology of Poly(propylene fumarate)被引量：2: 《Chinese Journal of Polymer Science》2021年第4期493-500,I0007,共9页Xiao-Yu Meng Yi Li Shu-Fang Yao Xue-Wei Wei Hai-Mu Ye; supported by the National Natural Science Foundation of China(No.21674128);Science Foundation of China University of Petroleum,Beijing(No.ZX20200097).; Spherulites are the most common crystalline morphology and thus the visual expression of crystal structures for polymers.The diversified patterns have provided intuitive morphology probes for various crystallization b...; 关键词：SPHERULITE CRYSTALLIZATION Growth axis Hydrogen bond

Texture Induced by Molecular Weight Dispersity: Polymorphism within Poly(L-lactic acid) Spherulites被引量：1: 《Chinese Journal of Polymer Science》2020年第12期1365-1373,共9页Da-Peng Hu Min Chen Yu-Hui Yang Han-Ying Li; supported by the National Natural Science Foundation of China(Nos.51625304 and 51873182).; Poly(L-lactic acid)(PLLA)has drawn much attention due to its excellent medical and pharmaceutical applications for decades.As a semi-crystalline polymer,morphology and crystal structure of PLLA greatly determine its p...; 关键词：PLLA SPHERULITE POLYMORPHS Molecular weight

Initiation, Development and Stabilization of Cavities during Tensile Deformation of Semicrystalline Polymers被引量：5: 《Chinese Journal of Polymer Science》2018年第10期1195-1199,共5页Ying Lu Yong-Feng Men; financially supported by the National Natural Science Foundation of China(Nos.51525305 and 21134006);the Newton Advanced Fellowship of Royal Society(No.NA150222); By using polybutene-1 as a typical example, we illustrate the initiation, development and stabilization of cavities in the sample during tensile deformation. Samples with the same crystallinity, long spacing and cryst...; 关键词：CAVITATION DEFORMATION Polymer Polubutene-1 SPHERULITE

Crystallization Kinetics and the Fine Morphological Evolution of Poly(ethylene oxide)/Ionic Liquid Mixtures: 《Chinese Journal of Polymer Science》2017年第11期1402-1414,共13页Wen-ze Li 牛艳华 Chen-ting Zhou Huan Luo Guang-xian Li; financially supported by the National Natural Science Foundation of China(Nos.51573115 and 51421061); Abstract The overall crystallization kinetics and spherulite morphologies of miscible poly（ethylene oxide）（PEO）/1-butyl-3- methylimidazolium hexafluorophosphate （[BMIM][PF6]） mixtures were studied by differenti...; 关键词：PEO [BMIM][PF6] Crystallization kinetics Spherulite morphologies

INCREASED SPHERULITIC GROWTH RATES OF SEMICRYSTALLINE POLYMER DUE TO ENHANCED LIMITED LOCAL CHAIN SEGMENTAL MOBILITY AT THE INTERFACE OF DOUBLE-LAYER THIN FILMS被引量：1: 《Chinese Journal of Polymer Science》2013年第9期1276-1283,共8页Ya-qiong Zhang Zhi-gang Wang; supported by the National Basic Research Program of China (No. 2012CB025901);National Natural Science Foundation of China (No. 21174139); In this work the nucleation and growth of spherulites for the below polylactide （PLA） layer in poly（ε- caprolactone）/polylactide （PCL/PLA） double-layer films during isothermal crystallization at various tempera...; 关键词：POLYLACTIDE Poly（ε-caprolactone） INTERFACE CRYSTALLIZATION Spherulite.

TIME-DEPENDENT MORPHOLOGY OF POLYETHYLENE-POLYPROPYLENE BLENDS: 《Chinese Journal of Polymer Science》2002年第6期497-508,共12页Robert A. Shanks; The effect of time-temperature treatment on morphology of polyethylene-polypropylene (PE-PP) blends wasstudied to establish a relationship between thermal history, morphology and mechanical properties. Polypropylene (...; 关键词：Polypropylene and polyethylene blends Thermal history SPHERULITE MORPHOLOGY Mechanical properties

CRYSTALLIZATION CHARACTERISTICS OF β-PHASE CRYSTALS IN COPOLYMERS OF POLYPROPYLENE WITH LOW ETHYLENE CONTENT被引量：1: 《Chinese Journal of Polymer Science》2001年第3期317-322,共6页Wen-tao Hao Yi-yong He Xiao-lie Luo De-zhu Ma Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 China; Polypropylene copolymers (CPP) containing β-nucleating agent were investigated by differential scanningcalorimetry (DSC), wide-angle X-ray diffraction (WAXD) and polarizing light microscopy (PLM). The results show th...; 关键词：Copolymer polypropylene β-Nucleating agent Differential scanning calorimetry Wide angle X-ray diffraction SPHERULITE

CRYSTALLINE MORPHOLOGY IN A SERIES OF CH_(3)-SUBSTITUTED THERMOTROPIC AROMATIC POLYESTERS WITH EVEN AND ODD FLEXIBLE SPACERS: 《Chinese Journal of Polymer Science》2001年第1期71-78,共8页Shou-xi Chen Zhong-ming Hu Wen-hui Song Yong-ze Jin Ren-yuan Qian; This work was supported by the National Key Prject of Fundamental Research"Maromolcular Condensed State";Ministy of Scicncc and Technology,China and by Polymer Physics Laboratory,Chinesec Academy of Science.; Crystalline morphology in a series of CH_(3)-substituted main chain thermotropic aromatic polyesters with even and odd numbered methylene spacers has been studied by polarizing optical microscopy(POM),scanning electro...; 关键词：crystalline morphology SPHERULITE even-odd flexible spacers CH_(3)-substituted thermotropic aromatic polyester

THE SPHERULITE-LIKE STRUCTURE OF MAIN CHAIN THERMOTROPIC AROMATIC COPOLYESTERS: 《Chinese Journal of Polymer Science》1999年第3期245-251,共7页Shou-xi Chen Hua-chun Zhai Yong-ze Jin Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China; This work was supported by the National Key Project for Fundamental Research"Macromolecular Condensed State",The State Science and Technology Commission of China.; A new spherulite-like structure of main chain thermotropic aromatic copolyesters formed in solution cast specimens was observed and was studied by means of polarizing microscopy, X-ray diffraction, SEM and IR spectrom...; 关键词：spherulite-like structure thermotropic aromatic copolymer PET PHB

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