DOI: 10.1126/science.1140132. Molecular Basis of the Shish-Kebab Morphology in Polymer Crystallization

Molecular Basis of the Shish-Kebab Morphology in Polymer Crystallization

10.1126/science.1140132

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

In the rich and long-standing literature on the flow-induced formation of oriented precursors to polymer crystallization, it is often asserted that the longest, most extended chains are the dominant molecular species in the “shish” of the “shish-kebab” formation. We performed a critical examination of this widely held view, using deuterium labeling to distinguish different chain lengths within an overall distribution. Small-angle neutron-scattering patterns of the differently labeled materials showed that long chains are not overrepresented in the shish relative to their concentration in the material as a whole. We observed that the longest chains play a catalytic role, recruiting other chains adjacent to them into formation of the shish.

Bibliography

Kimata, S., Sakurai, T., Nozue, Y., Kasahara, T., Yamaguchi, N., Karino, T., Shibayama, M., & Kornfield, J. A. (2007). Molecular Basis of the Shish-Kebab Morphology in Polymer Crystallization. Science, 316(5827), 1014â1017.

Authors 8

Shuichi Kimata (first)
Takashi Sakurai (additional)
Yoshinobu Nozue (additional)
Tatsuya Kasahara (additional)
Noboru Yamaguchi (additional)
Takeshi Karino (additional)
Mitsuhiro Shibayama (additional)
Julia A. Kornfield (additional)

References 31 Referenced 388

C. Vasile Ed. Handbook of Polyolefins (Dekker New York ed. 2 2000). (10.1201/9780203908716)
10.1007/PL00020271
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10.1126/science.283.5410.2059
10.1126/science.285.5436.2113
A. Keller, H. W. H. Kolnaar, in Materials Science and Technology, vol. 18 of Processing Polymers, H. E. H. Meijer, Ed. (Wiley VCH, New York, 1997), pp. 189–268. / Materials Science and Technology (1997)
S. Mitsuhashi, Bull. Text. Res. Inst.66, 1 (1963). / Bull. Text. Res. Inst. (1963)
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A. Keller, J. A. Odell, Nature312, 98 (1984). / Nature (1984)
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10.1021/ma020477q
10.1021/ma990772j
10.1021/ie020237z
10.1021/ma0105901
10.1016/0032-3861(78)90241-0
10.1007/s00397-004-0358-7
10.1016/S0032-3861(03)00017-X
This work was performed using SANS-U of the Institute for Solid State Physics the University of Tokyo (no. 05.5542). Supported by the NSF Division of Materials Research (DMR-0505393 and Materials Research Science and Engineering Center DMR-0080065).

Dates

Type	When
Created	18 years, 3 months ago (May 18, 2007, 9:43 a.m.)
Deposited	1 year, 7 months ago (Jan. 10, 2024, 3:38 a.m.)
Indexed	4 weeks, 2 days ago (July 27, 2025, 3:32 a.m.)
Issued	18 years, 3 months ago (May 18, 2007)
Published	18 years, 3 months ago (May 18, 2007)
Published Print	18 years, 3 months ago (May 18, 2007)

Funders 0

None

BibTeX

@article{Kimata_2007, title={Molecular Basis of the Shish-Kebab Morphology in Polymer Crystallization}, volume={316}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1140132}, DOI={10.1126/science.1140132}, number={5827}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Kimata, Shuichi and Sakurai, Takashi and Nozue, Yoshinobu and Kasahara, Tatsuya and Yamaguchi, Noboru and Karino, Takeshi and Shibayama, Mitsuhiro and Kornfield, Julia A.}, year={2007}, month=may, pages={1014–1017} }

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