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)
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:
Assignee:
IDEMITSU PETROCHEMICAL CO (JP)
OBATA YUTAKA (JP)
AMANO JUNICHI (JP)
SUMITOMO TAKASHI (JP)
OTA TSUYOSHI (JP)
ISOZAKI TOSHIO (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:
JPH04356511A | 1992-12-10 | |||
JPH08188617A | 1996-07-23 |
Attorney, Agent or Firm:
Tohei, Masamichi (Ltd. 24-4 Anesakikaigan Ichihara-shi, Chiba, JP)
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