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1. 发明授权

US11591520B2 Alumina hydrate particles, flame retardant, resin composition and electric wire/cable 有权
公开(公告)号：US11591520B2
公开(公告)日：2023-02-28
申请号：US16486634
申请日：2018-03-28
申请人： Konoshima Chemical Co., Ltd.
发明人： Seiji Matsui
IPC分类号： C09K21/02 , C01F7/023 , C01F7/448 , C08K3/22 , H01B3/10 , H01B3/44 , H01B7/295
摘要： The present invention provides alumina hydrate particles, a flame retardant and a resin composition that are each for an electric wire/cable covering material improvable in flame retardancy and mechanical properties while the covering material keeps acid resistance; such an electric wire/cable; and producing methods thereof. The alumina hydrate particles of the present invention for electric wire/cable covering material have an average particle size of 0.5 to 2.5 μm, and having a primary particle variation R of 24% or less, the variation R being represented by the following expression: primary particle variation R (%)=“standard deviationσ(μm) of major axis diameters of the primary particles”/“average value(μm) of the major axis diameters of the primary particles”×100.

2. 发明授权

US09834659B2 Magnesium oxide particles, resin composition, rubber composition, and shaped body 有权
公开(公告)号：US09834659B2
公开(公告)日：2017-12-05
申请号：US14779235
申请日：2013-08-12
申请人： Konoshima Chemical Co., Ltd.
发明人： Seiji Matsui
IPC分类号： C01F5/02 , C09C1/02 , C08K3/22 , C01F5/08 , C01F5/22 , C08K9/04 , C01F5/14 , C01F5/20
CPC分类号： C08K3/22 , C01F5/02 , C01F5/08 , C01F5/14 , C01F5/20 , C01F5/22 , C01P2004/03 , C01P2004/51 , C01P2004/61 , C01P2004/62 , C01P2006/12 , C01P2006/62 , C08K9/04 , C08K2003/222 , C08K2201/003 , C08K2201/006 , C09C1/028
摘要： Provided are magnesium oxide particles which are good in dispersibility in a resin or rubber, can function sufficiently as an acid acceptor or scorch retarder, and do not lower, even after combined with a resin or rubber, material properties thereof; a resin composition; a rubber composition; and a shaped body. The magnesium oxide particles satisfying the following (A) to (C): (A) an average particle size is 5 μm or less; (B) a BET specific surface area is 20 m2/g or more and 200 m2/g or less; and (C) a screen residue by a sieve opening of 45 μm is 0.1% by weight or less.

3. 发明授权

US09982195B2 Flame retardant, flame retardant composition and shaped body 有权
公开(公告)号：US09982195B2
公开(公告)日：2018-05-29
申请号：US14768202
申请日：2013-08-12
申请人： Konoshima Chemical Co., Ltd.
发明人： Seiji Matsui
IPC分类号： C09K21/02 , C01F5/22 , C08K9/04
CPC分类号： C09K21/02 , C01F5/22 , C01P2004/03 , C01P2004/50 , C01P2004/51 , C01P2004/62 , C01P2006/12 , C08K9/04 , C08K2201/003 , C08K2201/006
摘要： Provided are a flame retardant which is good in dispersibility in an organic polymeric material, and does not lower, even after mixed with an organic polymeric material, material properties thereof; a flame retardant composition; and a shaped body. The flame retardant of the present invention includes magnesium hydroxide particles subjected to a surface treatment, the particles satisfying the following (A) to (D): (A) an average particle size is 2 μm or less according to a laser diffraction method; (B) a BET specific surface area is 3 to 15 m2/g; (C) a degree of mono-dispersion is 50% or more, the degree of mono-dispersion being represented by the following equation: Degree of mono-dispersion (%)=(average primary particle size [μm] of particles according to SEM observation/average particle size [μm] of particles according to laser diffraction method)×100; and, (D) just after 1 mL of a 0.1 M solution of nitric acid is dropwise added at a dropping rate of 0.1 mL/minute to a suspension obtained by adding 1.0 g of the flame retardant to 100 mL of an aqueous mixed solution containing 0.1% by weight of each of a wetting agent and an electrolyte, pH of the suspension is 9.0 or less according to a potentiometric titration.

4. 发明申请

US20150376507A1 FLAME RETARDANT, FLAME RETARDANT COMPOSITION AND SHAPED BODY 有权
标题翻译：阻燃剂，阻燃组合物和成型体
公开(公告)号：US20150376507A1
公开(公告)日：2015-12-31
申请号：US14768202
申请日：2013-08-12
申请人： KONOSHIMA CHEMICAL CO., LTD.
发明人： Seiji Matsui
IPC分类号： C09K21/02
CPC分类号： C09K21/02 , C01F5/22 , C01P2004/03 , C01P2004/50 , C01P2004/51 , C01P2004/62 , C01P2006/12 , C08K9/04 , C08K2201/003 , C08K2201/006
摘要： Provided are a flame retardant which is good in dispersibility in an organic polymeric material, and does not lower, even after mixed with an organic polymeric material, material properties thereof; a flame retardant composition; and a shaped body. The flame retardant of the present invention includes magnesium hydroxide particles subjected to a surface treatment, the particles satisfying the following (A) to (D): (A) an average particle size is 2 μm or less according to a laser diffraction method; (B) a BET specific surface area is 3 to 15 m2/g; (C) a degree of mono-dispersion is 50% or more, the degree of mono-dispersion being represented by the following equation: Degree of mono-dispersion (%)=(average primary particle size [μm] of particles according to SEM observation/average particle size [μm] of particles according to laser diffraction method)×100; and, (D) just after 1 mL of a 0.1 M solution of nitric acid is dropwise added at a dropping rate of 0.1 mL/minute to a suspension obtained by adding 1.0 g of the flame retardant to 100 mL of an aqueous mixed solution containing 0.1% by weight of each of a wetting agent and an electrolyte, pH of the suspension is 9.0 or less according to a potentiometric titration.
摘要翻译：提供一种阻燃剂，其在有机聚合物材料中的分散性良好，即使在与有机聚合物材料混合后，其性能也不降低; 阻燃组合物; 和成形体。本发明的阻燃剂包括经过表面处理的氢氧化镁颗粒，满足以下（A）〜（D）的颗粒：（A）根据激光衍射法的平均粒径为2μm以下; （B）BET比表面积为3〜15m 2 / g; （C）单分散度为50％以上，单分散度由下式表示：单分散度（％）=（根据SEM的颗粒的平均一次粒径[μm] 按照激光衍射法观察颗粒的平均粒径[μm]×100; 并且（D）在以0.1mL /分钟的滴加速度滴加1mL 0.1M硝酸溶液后，向通过将1.0g阻燃剂加入到含有每个润湿剂和电解质的0.1重量％，根据电位滴定法，悬浮液的pH为9.0或更小。

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