Shear effects on crystalline structures of poly(L-lactide)
Xiao, PT; Li, HF; Huang, SY; Wen, HY; Yu, DH; Shang, YR; Li, JQ; Wu, ZH; An, LJ; Jiang, SC;吴忠华
刊名CRYSTENGCOMM
2013
卷号15期号:39页码:7914-7925
学科分类Chemistry; Crystallography
DOI10.1039/c3ce40466h
英文摘要The shearing effects of sheared polymer melts on their finally formed crystalline structures of poly(L-lactide) (PLLA) were investigated by means of small angle X-ray scattering (SAXS) and wide angle X-ray diffraction (WAXD). The results of WAXD prove that shear has no effects on the crystal structure of PLLA. The SAXS results demonstrate that both of the long period and the thickness of crystalline lamellae increase with rising shear rates when vertical to the shear direction, but remains constant when being parallel to the shear direction. The structural changes for samples prepared with different shear temperature or under the same shear strain but different shear rate were investigated. The mesophase of polymer melts and shearing effects on their pre-ordered phase turned out to be the key factor affecting the crystal structure of PLLA under different shearing conditions.
收录类别SCI
WOS记录号WOS:000324546900010
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224302
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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GB/T 7714
Xiao, PT,Li, HF,Huang, SY,et al. Shear effects on crystalline structures of poly(L-lactide)[J]. CRYSTENGCOMM,2013,15(39):7914-7925.
APA Xiao, PT.,Li, HF.,Huang, SY.,Wen, HY.,Yu, DH.,...&Jiang, SC;吴忠华.(2013).Shear effects on crystalline structures of poly(L-lactide).CRYSTENGCOMM,15(39),7914-7925.
MLA Xiao, PT,et al."Shear effects on crystalline structures of poly(L-lactide)".CRYSTENGCOMM 15.39(2013):7914-7925.
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