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Patent Searching and Data


Title:
CRYSTALLINE POLYPROPYLENE AND MOLDED OBJECT OBTAINED BY MOLDING THE SAME
Document Type and Number:
WIPO Patent Application WO/1999/061495
Kind Code:
A1
Abstract:
A crystalline polypropylene satisfying the following relationship $g(a)$m(F)1.11[$g(h)]?-0.42¿+1.40, wherein $g(a) is the 0 °C soluble content (wt.%) as determined by the temperature-rising fractionation method and [$g(h)] is the intrinsic viscosity (dl/g) as measured in tetralin at 135 °C; and a molded object obtained by molding the crystalline polypropylene. The crystalline polypropylene is excellent in rigidity, heat resistance, and marring resistance.

Inventors:
OBATA YUTAKA (JP)
AMANO JUNICHI (JP)
SUMITOMO TAKASHI (JP)
OTA TSUYOSHI (JP)
ISOZAKI TOSHIO (JP)
Application Number:
PCT/JP1999/002687
Publication Date:
December 02, 1999
Filing Date:
May 21, 1999
Export Citation:
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Assignee:
IDEMITSU PETROCHEMICAL CO (JP)
OBATA YUTAKA (JP)
AMANO JUNICHI (JP)
SUMITOMO TAKASHI (JP)
OTA TSUYOSHI (JP)
ISOZAKI TOSHIO (JP)
International Classes:
C08J5/00; C08F4/654; C08F10/06; C08F110/06; (IPC1-7): C08F110/06; C08L23/12
Foreign References:
JPH04356511A1992-12-10
JPH08188617A1996-07-23
Attorney, Agent or Firm:
Tohei, Masamichi (Ltd. 24-4 Anesakikaigan Ichihara-shi, Chiba, JP)
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