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公开(公告)号：US20220017804A1
公开(公告)日：2022-01-20
申请号：US17292382
申请日：2019-10-29
Applicant: Kitagawa Industries Co,. Ltd
Inventor： Jianguang Li , Masahiro Saito , Teruaki Yuoka
Abstract: A composition for a low dielectric thermally conductive material of the present technology contains: an acrylic resin composition containing an acrylic polymer formed by polymerizing one or two or more types of (meth)acrylates and one or two or more types of (meth)acrylates; crystalline silica having an average particle size of 20 μm or greater; a metal hydroxide having an average particle size of 15 μm or less; a polyfunctional monomer; and a polymerization initiator, wherein per 100 parts by mass of the acrylic resin composition, from 330 parts by mass to 440 parts by mass of the crystalline silica, from 90 parts by mass to 190 parts by mass of the metal hydroxide, from 0.01 parts by mass to 0.5 parts by mass of the polyfunctional monomer, and from 0.6 parts by mass to 1.3 parts by mass of the polymerization initiator are blended.
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公开(公告)号：US09587153B2
公开(公告)日：2017-03-07
申请号：US14435600
申请日：2013-10-23
Applicant: KITAGAWA INDUSTRIES CO., LTD.
Inventor： Tomoyuki Suzuki , Yasuo Kondo , Makoto Kato , Ryosuke Shiono , Teruaki Yuoka
IPC: C09K5/06
CPC classification number: C09K5/063
Abstract: A heat storage material composition contains a styrene-ethylene-ethylene-propylene-styrene copolymer and a paraffin-based wax. The heat storage material composition preferably further contains a paraffin-based process oil that softens the styrene-ethylene-ethylene-propylene-styrene copolymer. Also, the heat storage material composition preferably contains not less than 300 parts by mass and not more than 1000 parts by mass of the wax with respect to 100 parts by mass of the styrene-ethylene-ethylene-propylene-styrene copolymer.
Abstract translation: 储热材料组合物含有苯乙烯 - 乙烯 - 乙烯 - 丙烯 - 苯乙烯共聚物和石蜡基蜡。 储热材料组合物优选还含有使苯乙烯 - 乙烯 - 乙烯 - 丙烯 - 苯乙烯共聚物软化的石蜡基加工油。 此外，相对于100质量份的苯乙烯 - 乙烯 - 乙烯 - 丙烯 - 苯乙烯共聚物，该蓄热材料组合物优选含有不低于300质量份且不超过1000质量份的蜡。
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公开(公告)号：US20220017740A1
公开(公告)日：2022-01-20
申请号：US17291600
申请日：2019-11-01
Applicant: Kitagawa Industries Co., Ltd.
Inventor： Hiroto Yoshino , Teruaki Yuoka
Abstract: A thermally conductive material according to the present technology includes: 100 parts by mass of a crosslinking reaction product of an acrylic polymer (A) including at least two crosslinkable functional groups containing a carbon-carbon unsaturated bond and an acrylic polymer (B) including at least one of the crosslinkable functional groups; from 100 to 200 parts by mass of an acrylic polymer (C) with a viscosity of 650 mPa·s or less; from 150 to 350 parts by mass of a trimellitate ester plasticizer; from 3500 to 7500 parts by mass of a thermally conductive filler with an average particle size ranging from 0.1 μm to 100 μm; and from 50 to 300 parts by mass of a thickener with an average particle size of 50 nm or less.
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公开(公告)号：US09273205B2
公开(公告)日：2016-03-01
申请号：US14441269
申请日：2013-10-11
Applicant: KITAGAWA INDUSTRIES CO., LTD.
Inventor： Teruaki Yuoka , Takashi Kurachi
CPC classification number: C08L33/14 , C08K3/04 , C08K5/14 , C08K2201/003 , C08K2201/011 , C08K2201/014 , C08L33/068 , C08L63/00 , C08L67/02 , C08L93/00 , C08L2201/02 , C08L2312/00
Abstract: A vibration damping material according to one aspect of the present invention comprises a composition as a main component, the composition being prepared by mixing based on 100 parts by weight of acrylic rubber, at least, in an external ratio, 0.01 to 15 parts by weight of organic peroxide that can crosslink between epoxy-based crosslinking points with each other, 25 to 50 parts by weight of carbon black having a mean particle diameter of 22 to 45 nm, and 15 to 35 parts by weight of carbon black having a mean particle diameter of 70 to 85 nm; and crosslinking crosslinking points in the acrylic rubber with each other through the organic peroxide.
Abstract translation: 根据本发明的一个方面的振动阻尼材料包含组合物作为主要成分，所述组合物通过基于100重量份的丙烯酸橡胶混合制备，至少以外部比例混合0.01至15重量份 的可以在环氧基交联点之间交联的有机过氧化物，25〜50重量份的平均粒径为22〜45nm的炭黑和15〜35重量份的具有平均粒子的炭黑 直径70〜85nm; 并通过有机过氧化物在丙烯酸橡胶中交联交联点。
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Patent Agency Ranking
公开(公告)号：US11958968B2
公开(公告)日：2024-04-16
申请号：US17291600
申请日：2019-11-01
Applicant: Kitagawa Industries Co., Ltd.
Inventor： Hiroto Yoshino , Teruaki Yuoka
CPC classification number: C08L35/02 , C08K3/22 , C08K3/26 , C08K5/12 , C08L33/14 , C08K2003/2227 , C08K2003/265 , C08K2201/001 , C08K2201/005 , C08K2201/011 , C08L2205/03 , C09K5/14
Abstract: A thermally conductive material according to the present technology includes: 100 parts by mass of a crosslinking reaction product of an acrylic polymer (A) including at least two crosslinkable functional groups containing a carbon-carbon unsaturated bond and an acrylic polymer (B) including at least one of the crosslinkable functional groups; from 100 to 200 parts by mass of an acrylic polymer (C) with a viscosity of 650 mPa·s or less; from 150 to 350 parts by mass of a trimellitate ester plasticizer; from 3500 to 7500 parts by mass of a thermally conductive filler with an average particle size ranging from 0.1 μm to 100 μm; and from 50 to 300 parts by mass of a thickener with an average particle size of 50 nm or less.
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公开(公告)号：US10851236B2
公开(公告)日：2020-12-01
申请号：US16617053
申请日：2018-06-01
Applicant: KITAGAWA INDUSTRIES CO., LTD.
Inventor： Hiroto Yoshino , Teruaki Yuoka
Abstract: Provided is a grease-like thermally conductive material having excellent heat resistance including a non-silicone resin.Resolution Means:The composition for thermally conductive material of the present invention includes: an acrylic polymer (A) having at least two crosslinkable functional groups containing a carbon-carbon unsaturated bond; an acrylic polymer (B) having at least one of the crosslinkable functional groups; an anti-dripping agent; and a thermally conductive filler, a discharge amount being 1.50 g/min or more and 4.25 g/min or less as measured using a dispense controller under a predetermined discharge pressure condition.
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公开(公告)号：US10386122B2
公开(公告)日：2019-08-20
申请号：US15336994
申请日：2016-10-28
Applicant: KITAGAWA INDUSTRIES CO., LTD.
Inventor： Shinji Nishida , Hiroto Yoshino , Teruaki Yuoka
Abstract: A nucleation device for changing a phase of a heat storage material from a liquid state to a solid state includes a plurality of substrates in close contact with each other in the heat storage material, and a pressing part that presses a portion of the plurality of substrates so as to elicit a change in the state of close contact of the plurality of substrates.
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公开(公告)号：US10352627B2
公开(公告)日：2019-07-16
申请号：US15854922
申请日：2017-12-27
Applicant: KITAGAWA INDUSTRIES CO., LTD.
Inventor： Teruaki Yuoka , Jian Guang Li , Hiroto Yoshino
Abstract: A nucleation device for causing phase change in a heat storage material from a liquid state to a solid state, the nucleation device including: an elastic member including a plurality of annular portions with a ring shape wound in substantially close contact with one another, the elastic member being elastically displaceable such that adjacent pairs of the plurality of annular portions in substantially close contact with one another separate from one another; wherein the heat storage material is caused to phase change by the elastic member elastically displacing while disposed in the heat storage material.
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公开(公告)号：US09704638B2
公开(公告)日：2017-07-11
申请号：US14904582
申请日：2014-08-06
Applicant: KITAGAWA INDUSTRIES CO., LTD.
Inventor： Tomokazu Tanimizu , Kazushige Ueno , Katsuyuki Morita , Teruaki Yuoka
Abstract: One end of a bus bar for leading an output voltage output from a switching power supply to the outside is a connection terminal connected to an output end associated with the switching power supply, while the other end is an output terminal VO. A ferrite core has a through-hole through which the bus bar is disposed. Electromagnetic coupling from the switching power supply is suppressed between the output terminal VO of the bus bar and at least a part of the ferrite core on the output terminal VO side along the bus bar. In this way, electromagnetic coupling of a part of a choke coil including the ferrite core with the bus bar penetrating therethrough on the output terminal VO side and the switching power supply is suppressed, whereby propagation of noise to the output terminal VO is suppressed.
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