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Title:
RESIN COMPOSITION, RESIN SHEET, MULTILAYER BODY AND CARD
Document Type and Number:
WIPO Patent Application WO/2022/038974
Kind Code:
A1
Abstract:
The present invention provides: a resin composition that enables the achievement of a resin sheet in which titanium oxide is sufficiently dispersed, and which has excellent light shielding ability; and a resin sheet, a multilayer body and a card, each of which uses this resin composition. A resin composition which contains from 30 parts by mass to 95 parts by mass of a polycarbonate resin and from 5 parts by mass to 40 parts by mass of titanium oxide, wherein: the titanium oxide has an average primary particle diameter of from 0.22 μm to 0.26 μm as determined by means of a scanning electron microscope (SEM) observation image; and the titanium oxide has an Si content of from 1.0% by mass to 1.8% by mass and an Al content of from 1.6% by mass to 2.2% by mass as determined by X ray fluorescence (XRF) analysis after being fired at 700°C for 2 hours.

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Inventors:
OHNO SHOTARO (JP)
TAKEDA MASAHIDE (JP)
NAKAJIMA MAMORU (JP)
TOMITA KEISUKE (JP)
SUZUKI KENTARO (JP)
Application Number:
PCT/JP2021/027661
Publication Date:
February 24, 2022
Filing Date:
July 27, 2021
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
MGC FILSHEET CO LTD (JP)
International Classes:
B32B27/20; B32B27/36; B42D25/30; C08J5/18; C08K3/04; C08K3/22; C08L67/00; C08L69/00
Domestic Patent References:
WO2009139535A12009-11-19
WO2018163889A12018-09-13
WO2020122055A12020-06-18
Foreign References:
JP2004083904A2004-03-18
JP2006321918A2006-11-30
JP2006182896A2006-07-13
JP2004161888A2004-06-10
JP2020079341A2020-05-28
JP6871464B12021-05-12
JP2012144604A2012-08-02
JP2019002023A2019-01-10
JP2018090677A2018-06-14
JP2016108424A2016-06-20
JP2020075487A2020-05-21
JP2015168728A2015-09-28
Other References:
CAS , no. 460092-03-9
See also references of EP 4201672A4
Attorney, Agent or Firm:
SIKS & CO. (JP)
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