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Crystal structure of isotactic poly(4-methyl-1-pentene) (1978)

Kusanagi, Hiroshi ; Takase, Minoru ; Chatani, Yozo ; [et al.]

New York : Wiley-Blackwell

Journal of Polymer Science: Polymer Physics Edition 16 (1978), S. 131-142

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ISSN: 0098-1273

Keywords: Physics ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: The crystal structure of isotactic poly(4-methyl-1-pentene) was determined by x-ray analysis. The unit cell is tetragonal, P4b2, with α = 18.70 Å and c (fiber axis) = 13.68 Å; it contains four molecular chains each consisting of seven monomeric units in the fiber period. The molecular conformation is essentially a (7/2) helix, but deviates slightly from the uniform (7/2) helix. The unusual low density is discussed from the structural point of view.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/pol.1978.180160112

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