Polyolefins containing 1,3-disubstituted cyclopentane units as nucleating agents for isotactic polypropylene

Naofumi Naga, Koichi Kitaura, Akinori Toyota

研究成果: Article

3 引用 (Scopus)

抄録

Polyolefins containing 1,3-disubstituted cyclopentane units in the main chain have been synthesized by 1,3-polymerization of cyclopentene (PCP), cyclization polymerization of 1,5-hexadiene (PHD), and ring-opening metathesis polymerization of norbornene following hydrogenation of the unsaturated main chain (H-PNB) with various transition metal catalysts. These polyolefins were applied to nucleating agents for isotactic polypropylene, and relationship between the structure of the polyolefins and nucleating effect was studied by DSC, polarized optical microscope, and WAXD. All the polyolefins had an effect of nucleation for isotactic polypropylene (PP). Of the polymeric nucleating agents, H-PNB showed the most effective nucleation. Addition of PCP, which was obtained with a nickel catalyst with diimine ligand, to PP induced β-modification.

元の言語English
ページ(範囲)2953-2958
ページ数6
ジャーナルJournal of Applied Polymer Science
102
発行部数3
DOI
出版物ステータスPublished - 2006 11 5

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Cyclopentanes
Polypropylenes
Polyolefins
Polymerization
Nucleation
Catalysts
Cyclization
Ring opening polymerization
Nickel
Hydrogenation
Transition metals
Microscopes
Ligands
PL 732

ASJC Scopus subject areas

  • Polymers and Plastics

これを引用

Polyolefins containing 1,3-disubstituted cyclopentane units as nucleating agents for isotactic polypropylene. / Naga, Naofumi; Kitaura, Koichi; Toyota, Akinori.

:: Journal of Applied Polymer Science, 巻 102, 番号 3, 05.11.2006, p. 2953-2958.

研究成果: Article

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AB - Polyolefins containing 1,3-disubstituted cyclopentane units in the main chain have been synthesized by 1,3-polymerization of cyclopentene (PCP), cyclization polymerization of 1,5-hexadiene (PHD), and ring-opening metathesis polymerization of norbornene following hydrogenation of the unsaturated main chain (H-PNB) with various transition metal catalysts. These polyolefins were applied to nucleating agents for isotactic polypropylene, and relationship between the structure of the polyolefins and nucleating effect was studied by DSC, polarized optical microscope, and WAXD. All the polyolefins had an effect of nucleation for isotactic polypropylene (PP). Of the polymeric nucleating agents, H-PNB showed the most effective nucleation. Addition of PCP, which was obtained with a nickel catalyst with diimine ligand, to PP induced β-modification.

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