A platform for research: civil engineering, architecture and urbanism
RESIN-IMPREGNATED BORON NITRIDE SINTERED BODY AND USE FOR SAME
본 발명은 열전도율 및 강도가 뛰어난 수지 함침 질화 붕소 소결체 및 전도율이 뛰어나고 열전도율의 이방성이 작은 수지 함침 질화 붕소 소결체를 제공하는 것에 있다. 본 발명에 의하면 질화 붕소 입자가 3차원으로 결합된 질화 붕소 소결체 30~90부피%와 수지 10~70부피%로 이루어지고, 질화 붕소 소결체의 기공률이 10~70%, 질화 붕소 입자의 평균 장직경이 10㎛ 이상, 분말 X선 회절법에 의한 흑연화 지수가 4.0 이하이며, I.O.P.에 의한 배향도가 0.01~0.05 또는 20~100인 수지 함침 질화 붕소 소결체, 및 질화 붕소 입자가 3차원으로 결합된 질화 붕소 소결체 30~90부피%와 수지 10~70부피%를 함유하여 이루어지고, 질화 붕소 소결체의 칼슘 함유율이 500~5000ppm, 질화 붕소 소결체의 분말 X선 회절법에 의한 흑연화 지수가 0.8~4.0이며, 질화 붕소 소결체가 평균 장직경 10㎛ 이상의 인편상 질화 붕소 입자로 이루어지고, I.O.P.의 배향도가 0.6~1.4인 수지 함침 질화 붕소 소결체가 제공된다.
A resin-impregnated boron nitride sintered body having superior thermal conductivity and superior strength, and a resin-impregnated boron nitride sintered body having superior conductivity and small anisotropy of thermal conductivity are provided. A resin-impregnated boron nitride sintered body, including: 30 to 90 volume% of a boron nitride sintered body having boron nitride particles bonded three-dimensionally; and 10 to 70 volume% of a resin; wherein the boron nitride sintered body has a porosity of 10 to 70%; the boron nitride particles of the boron nitride sintered body has an average long diameter of 10µm or more; the boron nitride sintered body has a graphitization index by powder X-ray diffractometry is 4.0 or less; and an orientation degree of the boron nitride particles of the boron nitride sintered body by I.O.P is 0.01 to 0.05 or 20 to 100; and a resin-impregnated boron nitride sintered body, including: 30 to 90 volume% of a boron nitride sintered body having boron nitride particles bonded three-dimensionally; and 10 to 70 volume% of a resin; wherein: the boron nitride sintered body has a calcium content of 500 to 5000ppm; the boron nitride sintered body has a graphitization index by powder X-ray diffractometry of 0.8 to 4.0; the boron nitride sintered body comprises flake-like boron nitride particles having an average long diameter of 10µm or more; and an orientation degree by I.O.P is 0.6 to 1.4; are provided.
RESIN-IMPREGNATED BORON NITRIDE SINTERED BODY AND USE FOR SAME
본 발명은 열전도율 및 강도가 뛰어난 수지 함침 질화 붕소 소결체 및 전도율이 뛰어나고 열전도율의 이방성이 작은 수지 함침 질화 붕소 소결체를 제공하는 것에 있다. 본 발명에 의하면 질화 붕소 입자가 3차원으로 결합된 질화 붕소 소결체 30~90부피%와 수지 10~70부피%로 이루어지고, 질화 붕소 소결체의 기공률이 10~70%, 질화 붕소 입자의 평균 장직경이 10㎛ 이상, 분말 X선 회절법에 의한 흑연화 지수가 4.0 이하이며, I.O.P.에 의한 배향도가 0.01~0.05 또는 20~100인 수지 함침 질화 붕소 소결체, 및 질화 붕소 입자가 3차원으로 결합된 질화 붕소 소결체 30~90부피%와 수지 10~70부피%를 함유하여 이루어지고, 질화 붕소 소결체의 칼슘 함유율이 500~5000ppm, 질화 붕소 소결체의 분말 X선 회절법에 의한 흑연화 지수가 0.8~4.0이며, 질화 붕소 소결체가 평균 장직경 10㎛ 이상의 인편상 질화 붕소 입자로 이루어지고, I.O.P.의 배향도가 0.6~1.4인 수지 함침 질화 붕소 소결체가 제공된다.
A resin-impregnated boron nitride sintered body having superior thermal conductivity and superior strength, and a resin-impregnated boron nitride sintered body having superior conductivity and small anisotropy of thermal conductivity are provided. A resin-impregnated boron nitride sintered body, including: 30 to 90 volume% of a boron nitride sintered body having boron nitride particles bonded three-dimensionally; and 10 to 70 volume% of a resin; wherein the boron nitride sintered body has a porosity of 10 to 70%; the boron nitride particles of the boron nitride sintered body has an average long diameter of 10µm or more; the boron nitride sintered body has a graphitization index by powder X-ray diffractometry is 4.0 or less; and an orientation degree of the boron nitride particles of the boron nitride sintered body by I.O.P is 0.01 to 0.05 or 20 to 100; and a resin-impregnated boron nitride sintered body, including: 30 to 90 volume% of a boron nitride sintered body having boron nitride particles bonded three-dimensionally; and 10 to 70 volume% of a resin; wherein: the boron nitride sintered body has a calcium content of 500 to 5000ppm; the boron nitride sintered body has a graphitization index by powder X-ray diffractometry of 0.8 to 4.0; the boron nitride sintered body comprises flake-like boron nitride particles having an average long diameter of 10µm or more; and an orientation degree by I.O.P is 0.6 to 1.4; are provided.
RESIN-IMPREGNATED BORON NITRIDE SINTERED BODY AND USE FOR SAME
수지 함침 질화 붕소 소결체 및 그 용도
IKARASHI KOKI (author) / NONAKA SHUHEI (author) / MITSUNAGA TOSHIKATSU (author) / HIROTSURU HIDEKI (author) / SHIIBA MITSURU (author)
2016-02-15
Patent
Electronic Resource
Korean
RESIN-IMPREGNATED BORON NITRIDE SINTERED BODY AND USE FOR SAME
European Patent Office | 2017
|Resin-impregnated boron nitride sintered body and use for same
European Patent Office | 2019
|Resin-impregnated boron nitride sintered body and use for same
European Patent Office | 2016
|Resin-impregnated boron nitride sintered body and use for same
European Patent Office | 2018
|RESIN-IMPREGNATED BORON NITRIDE SINTERED BODY AND USE FOR SAME
European Patent Office | 2016
|