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Title:
PROPYLENE HOMOPOLYMER COMPOSITION FOR CAPACITOR FILM, METHOD FOR PRODUCING SAME, AND CAPACITOR FILM
Document Type and Number:
WIPO Patent Application WO/2016/017753
Kind Code:
A1
Abstract:
Provided are: a propylene homopolymer composition for a capacitor film, from which a thin film can be easily produced and which has excellent film high temperature withstand voltage properties; a method for producing same; and a capacitor film. The propylene homopolymer composition for a capacitor film is characterized by containing not less than 1 mass % but less than 50 mass % of (A1) a propylene homopolymer having prescribed characteristics and more than 50 mass % but not more than 99 mass % of (B1) a propylene homopolymer having prescribed characteristics, and characterized in that (i) the melt flow rate (MFR) is 1.0-10.0 g/10 min and (ii) the chlorine content is 2 ppm by mass or less.

Inventors:
OHTA, Katsutoshi (3, Chigusakaigan, Ichihara-sh, Chiba 08, 〒2990108, JP)
Application Number:
JP2015/071634
Publication Date:
February 04, 2016
Filing Date:
July 30, 2015
Export Citation:
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Assignee:
MITSUI CHEMICALS, INC. (5-2 Higashi-Shimbashi 1-chome, Minato-ku Tokyo, 22, 〒1057122, JP)
PRIME POLYMER CO., LTD. (5-2 Higashi-Shimbashi 1-chome, Minato-ku Tokyo, 17, 〒1057117, JP)
International Classes:
C08L23/12; C08F4/654; C08F4/6592; C08J5/18; H01G4/18
Domestic Patent References:
WO2009060944A12009-05-14
Foreign References:
JP2011148896A2011-08-04
JP2010280795A2010-12-16
JP2010254868A2010-11-11
JP2010254794A2010-11-11
JP2002348423A2002-12-04
JPH06248133A1994-09-06
US20120329951A12012-12-27
JP2014205799A2014-10-30
JP2014194010A2014-10-09
Other References:
See also references of EP 3176214A4
Attorney, Agent or Firm:
MIYAZAKI, Teruo et al. (3F Tamachi Square, 26-24 Shiba 5-chome, Minato-k, Tokyo 14, 〒1080014, JP)
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