POLYAMIDE RESIN COMPOSITION, MAGNETIC MATERIAL RESIN COMPOSITE MATERIAL AND MOLDED ARTICLE THEREOF

WIPO Patent Application WO/2023/181711

A1

The present invention provides a polyamide resin composition which contains, in 100% y mass of the polyamide resin composition, 10% by mass to 50% by mass of a polyamide elastomer (A), 40% by mass to 75% by mass of an aliphatic homopolyamide resin (B) that has an average of more than 6 carbon atoms relative to one amide group, and 0.5% by mass to 30% by mass of an aliphatic copolymerized polyamide resin (C), while substantially containing no aromatic polyamide resins. The present invention also provides a magnetic material resin composite material which contains a polyamide resin composition (X) and a magnetic powder (Y), wherein: 5.0% by mass to 30.0% by mass of the polyamide resin composition (X) and 70.0% by mass to 95.0% by mass of the magnetic powder (Y) are contained in a total of 100% by mass of the polyamide resin composition (X) and the magnetic powder (Y); and 10% by mass to 50% by mass of a polyamide elastomer (A), 40% by mass to 75% by mass of an aliphatic homopolyamide resin (B) that has an average of more than 6 carbon atoms relative to one amide group, 0.5% by mass to 30% by mass of an aliphatic copolymerized polyamide resin (C), and no aromatic polyamide resins are contained in 100% by mass of the polyamide resin composition (X).

KURACHI KOICHIRO (JP)
IRISA YUMA (JP)

PCT/JP2023/004979

September 28, 2023

February 14, 2023

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UBE CORP (JP)

C08L77/00; C08K3/01

WO2008123450A1	2008-10-16
WO2022075180A1	2022-04-14

JP2010222394A	2010-10-07
JP2020200555A	2020-12-17
JP2021113274A	2021-08-05
JPH115898A	1999-01-12

TSUKUNI & ASSOCIATES et al. (JP)

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