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1. (WO2018056404) BIAXIALLY STRETCHED POLYPROPYLENE FILM, METALLIZED FILM FOR CAPACITORS, AND CAPACITOR
PCT Biblio. Data
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Pub. No.:
WO/2018/056404
International Application No.:
PCT/JP2017/034339
Publication Date:
29.03.2018
International Filing Date:
22.09.2017
IPC:
H01G 4/18
(2006.01),
C08J 5/18
(2006.01)
H
ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
G
CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
4
Fixed capacitors; Processes of their manufacture
002
Details
018
Dielectrics
06
Solid dielectrics
14
Organic dielectrics
18
of synthetic material, e.g. derivatives of cellulose
C
CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
5
Manufacture of articles or shaped materials containing macromolecular substances
18
Manufacture of films or sheets
Applicants:
OJI HOLDINGS CORPORATION
[JP/JP]; 7-5, Ginza 4-chome, Chuo-ku, Tokyo 1040061 (JP)
Inventors:
TOMINAGA,Takeshi
; (JP).
SUEYOSHI,Michiko
; (JP).
OKUYAMA,Yoshimune
; (JP).
NAKATA,Masahiro
; (JP).
ISHIWATA,Tadakazu
; (JP)
Agent:
UNIUS PATENT ATTORNEYS OFFICE
; First Shin-Osaka MT Bldg. 2nd Floor, 5-13-9 Nishinakajima, Yodogawa-ku, Osaka-shi, Osaka 5320011 (JP)
Priority Data:
2016-185779
23.09.2016
JP
Title
(EN)
BIAXIALLY STRETCHED POLYPROPYLENE FILM, METALLIZED FILM FOR CAPACITORS, AND CAPACITOR
(FR)
FILM EN POLYPROPYLÈNE À ÉTIRAGE BIAXIAL, FILM MÉTALLISÉ POUR CONDENSATEURS ET CONDENSATEUR
(JA)
二軸延伸ポリプロピレンフィルム、コンデンサ用金属化フィルム、及び、コンデンサ
Abstract:
(EN)
A biaxially stretched polypropylene film comprising a polypropylene resin and satisfying the following: (a) the crystallite size S
a
, which is determined using the Scherrer equation from the full width at half maximum of the α-crystal (040) plane reflection peak as measured by wide-angle x-ray diffraction after treatment for 200 hours at 105°C, is not more than 12.9 nm; and (b) the planar orientation coefficient ΔP
a
, which is calculated from the birefringence values ΔNyz and ΔNxz with respect to the thickness direction as determined by optical birefringence measurement after treatment for 200 hours at 105°C, is at least 0.013 (where, ΔP
a
= (ΔNyz + ΔNxz)/2).
(FR)
L'invention concerne un film en polypropylène à étirage biaxial, comprenant une résine de polypropylène et présentant les caractéristiques suivantes : (a) la taille de cristallite S
a
, qui est déterminée en utilisant l'équation de Scherrer à partir de la largeur totale à la moitié du maximum de la crête de réflexion du plan du cristal α (040) telle qu'elle est mesurée par diffraction des rayons X à grand angle après traitement pendant 200 heures à 105 °C, n'est pas supérieure à 12,9 nm ; et (b) le coefficient d'orientation planaire ΔΡ
a
, qui est calculé à partir des valeurs de biréfringence ΔNyz et ΔNxz par rapport au sens de l'épaisseur telle qu'elle est déterminée par mesure de biréfringence optique après traitement pendant 200 heures à 105 °C, est d'au moins 0,013 (avec ΔΡ
a
= (ΔNyz + ΔNxz)/2).
(JA)
(a)105℃で200時間処理後の、広角X線回折法により測定したα晶(040)面反射ピークの半価幅からScherrerの式により求めた結晶子サイズS
a
が、12.9nm以下であること、及び、(b)105℃で200時間処理後の、光学的複屈折測定により求めた厚さ方向に対する複屈折値ΔNyz及びΔNxzの値から算出される面配向係数ΔP
a
(ただし、ΔP
a
=(ΔNyz+ΔNxz)/2)が、0.013以上であること、を満たす、ポリプロピレン樹脂を含む二軸延伸ポリプロピレンフィルム。
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)