Characterization and properties of polypropylene-block-poly(ethylene-co-propylene) synthesized by short-period polymerizationстатья
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Дата последнего поиска статьи во внешних источниках: 14 февраля 2019 г.
Авторы:
Nitta Koh-Hei ,
Kawada Takenori ,
Prokhorov Valery V. ,
Yamahiro Mikio ,
Mori Hideharu ,
Terano Minoru
Журнал:
Journal of Applied Polymer Science
Том:
74
Номер:
4
Год издания:
1999
Издательство:
John Wiley & Sons Inc.
Местоположение издательства:
United States
Первая страница:
958
Последняя страница:
964
DOI:
10.1002/(sici)1097-4628(19991024)74:4<958::aid-app22>3.0.co;2-7
Аннотация:
The morphology and mechanical properties of novel block copolymers consisting of isotactic polypropylene (PP) and ethylene–propylene rubber (EPR) synthesized by a short‐period polymerization method were examined using differential scanning calorimetry, atomic force microscopy, dynamic mechanical analysis, and a rheooptical technique. It was found that the novel block copolymers show a single glass transition and EPR segments are trapped into the amorphous region of PP. Furthermore, the rheooptical analysis demonstrates that a drawing process of the EPR‐rich block copolymer induces orientation of the PP lamellae in the EPR matrix. © 1999 John Wiley & Sons, Inc. J Appl Polym Sci 74: 958–964, 1999
Добавил в систему:
Прохоров Валерий Васильевич