ICCAS OpenIR
Studies on biodegradable poly(hexano-6-lactone) fibers 1. Structure and properties of drawn poly(hexano-6-lactone) fibers
Mochizuki, M; Nakayama, K; Qian, RY; Jiang, BZ; Hirami, M; Hayashi, T; Masuda, T; Nakajima, A
1997-12-01
Source PublicationPURE AND APPLIED CHEMISTRY
ISSN0033-4545
Volume69Issue:12Pages:2567-2575
AbstractUsing high molecular weight (M-n=80,000) Poly(hexano-6-lactone) (PCL'), tough and high tenacity PCL monofilaments with various draw ratios (undrawn to 9 times drawn) were prepared by melt-spinning. The relationship between microstructure and properties of the PCL fibers is described in this current IUPAC Technical Report. Analysis of microstructure of the drawn PCL fibers by wide-angle X-ray diffraction revealed typical c-axis orientation with an increase in crystallinity. It was also supported by sonic velocity measurements. The thermal, mechanical, and dynamic mechanical properties of the PCL fibers were affected significantly by draw ratio. DSC thermograms showed that the melting temperature and the enthalpy of fusion increased with draw ratio. The temperature dependence curves of dynamic viscoelasticity showed that the temperature at tan delta peak of alpha dispersion corresponding to the glass transition temperature shifted toward higher temperature and the peak value of tan delta decreased with draw ratio. The dynamic storage modulus and the sonic modulus increased with draw ratio. These results are due to the increase in crystallinity and molecular orientation with drawing, and are responsible for an increase in tensile tenacity as well as knot tenacity of the PCL fibers.
Indexed BySCI
Language英语
WOS IDWOS:000071217300008
PublisherBLACKWELL SCIENCE LTD
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/74110
Collection中国科学院化学研究所
Corresponding AuthorMochizuki, M
Affiliation1.Unitika Ltd, Ctr Res & Dev, Uji, Kyoto 611, Japan
2.Natl Inst Mat & Chem Res, Tsukuba, Ibaraki 305, Japan
3.Acad Sinica, Inst Chem, Beijing 100080, Peoples R China
4.Acad Sinica, Changchun Inst Appl Chem, Changchun 130022, Jilin, Peoples R China
5.Univ Osaka Prefecture, Adv Sci & Technol Res Inst, Sakai, Osaka 593, Japan
6.Kyoto Univ, Dept Chem Mat, Sakyo Ku, Kyoto 60601, Japan
Recommended Citation
GB/T 7714
Mochizuki, M,Nakayama, K,Qian, RY,et al. Studies on biodegradable poly(hexano-6-lactone) fibers 1. Structure and properties of drawn poly(hexano-6-lactone) fibers[J]. PURE AND APPLIED CHEMISTRY,1997,69(12):2567-2575.
APA Mochizuki, M.,Nakayama, K.,Qian, RY.,Jiang, BZ.,Hirami, M.,...&Nakajima, A.(1997).Studies on biodegradable poly(hexano-6-lactone) fibers 1. Structure and properties of drawn poly(hexano-6-lactone) fibers.PURE AND APPLIED CHEMISTRY,69(12),2567-2575.
MLA Mochizuki, M,et al."Studies on biodegradable poly(hexano-6-lactone) fibers 1. Structure and properties of drawn poly(hexano-6-lactone) fibers".PURE AND APPLIED CHEMISTRY 69.12(1997):2567-2575.
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