Synthesis and Properties of Elastic Polymer-Chains Consisting of Highly Crystalline Oligo Units

Poly (ε-caprolactone) (PCL) oligomers, prepared from PCL and ethyleneglycol (EG), were allowed to react with 4, 4′-diphenylmethane diisocyanate (MDI) to give PCL-polyaddition products. The crystallinity of the products decreased not only by decreasing the average unit number (n), but also by narrowi...

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Bibliographic Details
Published inKOBUNSHI RONBUNSHU Vol. 55; no. 1; pp. 21 - 25
Main Authors ONOUCHI, Yukio, ENDO, Toshio, SHIRASAKA, Hitoshi, HASHIME, Atsuo, INOUE, Shin-ichi, OKAMOTO, Hiroshi
Format Journal Article
LanguageJapanese
Published Tokyo The Society of Polymer Science, Japan 01.01.1998
Tsukiji daisan nagaoka
Subjects
Crystallinity
Elastomer
Molecular Weight Distribution
Oligo-Unit
Oligomer
Poly (ε-caprolactone)
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ISSN0386-2186
1881-5685
1881-5685
DOI10.1295/koron.55.21

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Summary:Poly (ε-caprolactone) (PCL) oligomers, prepared from PCL and ethyleneglycol (EG), were allowed to react with 4, 4′-diphenylmethane diisocyanate (MDI) to give PCL-polyaddition products. The crystallinity of the products decreased not only by decreasing the average unit number (n), but also by narrowing the molecular weight distribution (Mw/Mn) of PCL oligomers. The crystallinity required for elastic polymer chains was thus able to be controled by n and Mw/Mn.
ISSN:0386-2186
1881-5685
1881-5685
DOI:10.1295/koron.55.21