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Title:
COMPONENT FOR COMMUNICATION DEVICES
Document Type and Number:
WIPO Patent Application WO/2022/107409
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a component for communication devices that maintains a low dielectric loss tangent while enabling dielectric constant control and making it possible to form a circuit, wiring, or a substrate using metal. The present invention is a component for communication devices that includes a molded article comprising a resin composition, wherein the component for communication devices is characterized in that the resin composition contains (A) a matrix resin and (B) titanium dioxide, the (A) matrix resin includes (A-a) a polyphenylene ether-based resin, the total content of the (A-a) polyphenylene ether-based resin, (A-b) a block copolymer including at least one block mainly composed of an aromatic vinyl monomer unit and at least one block mainly composed of a conjugated diene monomer unit, and/or a hydrogenated product of the block copolymer is 75 parts by mass or more with respect to 100 parts by mass of the (A) matrix resin, the average L/D of the (B) titanium dioxide is 1.2-6.0, and the content of titanium dioxide in which L/D exceeds 7.0 is less than 10%.

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Inventors:
TOKUYAMA MIKI (JP)
KURAMITSU MASAHITO (JP)
Application Number:
PCT/JP2021/031202
Publication Date:
May 27, 2022
Filing Date:
August 25, 2021
Export Citation:
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Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C08L25/04; C08K3/22; C08L53/02; C08L71/12; C08L77/00; C08L81/02
Foreign References:
JP2011116870A2011-06-16
JP2010024326A2010-02-04
JP2006206689A2006-08-10
JPS5217880B21977-05-18
US3306874A1967-02-28
US3306875A1967-02-28
US3257357A1966-06-21
US3257358A1966-06-21
JPS5051197A1975-05-07
JPS63152628A1988-06-25
JP2002324966A2002-11-08
JPH07228689A1995-08-29
Other References:
CAS , no. 8005-20-5/101357-15-7
See also references of EP 4249557A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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