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    • 1. 发明公开
    • TEMPERATURE-STABLE SOFT-MAGNETIC POWDER
    • TEMPERATURSTABILES WEICHMAGNETISCHES PULVER
    • EP3066672A1
    • 2016-09-14
    • EP14793153.9
    • 2014-11-04
    • BASF SE
    • PAGANO, SandroHWANG, Jae HyungLIEBSCHER, RalfPRECHTL, FrankKOCH, OliverWATZENBERGER, OttoKLOCK, Volker
    • H01F1/26B22F1/00
    • H01F1/20B22F1/02C23C30/00H01F1/26H01F1/36H01F3/08H01F41/0246
    • The invention relates to a soft-magnetic powder coated with a silicon based coating, wherein the silicon based coating comprises at least one of the following fluorine containing compositions: a) a fluorine containing composition of formula (I) €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ Si 1-0,25a M1 a O 2-0,5b F b €ƒ€ƒ€ƒ€ƒ€ƒ(I) wherein a is in the range of 0.015 to 0.52, b is in the range of 0.015 to 0.52, M1 is H, K, Rb, Cs or NR 1 4 , wherein each R 1 is independently selected from the group consisting of H, C 1-6 alkyl, phenyl and benzyl; or b) a fluorine containing composition of formula (II) €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ Si 1-0,75c M2 c O 2-0,5d F d €ƒ€ƒ€ƒ€ƒ€ƒ(II) wherein c is in the range of 0.005 to 0.17, d is in the range of 0.015 to 0.52, M2 is B or Al; or c) a fluorine containing composition of formula (III) €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ Si 1-1,25e P e O 2-0,5f F f €ƒ€ƒ€ƒ€ƒ€ƒ(III) wherein e is in the range of 0.003 to 0.10, f is in the range of 0.015 to 0.52. The invention further relates to a process of coating the soft-magnetic powder, the use of such soft-magnetic powder and an electronic component including such soft-magnetic powder.
    • 本发明涉及涂覆有硅基涂层的软磁性粉末,其中硅基涂层包含至少一种以下含氟组合物:a)含氟的式(I)组合物€ƒ€ƒ€ ƒ€ƒ€ƒ€ƒSi 1-0,25a M1 a O 2-0,5b F b€ƒ€ƒ€ƒ(I)其中a在0.015至0.52的范围内,b 在0.015〜0.52的范围内,M1是H,K,Rb,Cs或NR11,其中每个R 1独立地选自H,C 1-6烷基,苯基和苄基; 或b)式(II)的含氟组合物€ƒ€ƒ€ƒ€ƒ€ƒ€ƒSi 1-0,75c M2 c O 2-0,5d F d€ƒ€ƒ (II)其中c在0.005至0.17的范围内,d在0.015至0.52的范围内,M2是B或Al; 或c)式(III)的含氟组合物€ƒ€ƒ€ƒ€ƒ€ƒ€ƒSi 1-1,25e P e O 2-0,5f F f€ƒ€ƒ 其中e在0.003〜0.10的范围内,f在0.015〜0.52的范围内。 本发明还涉及涂覆软磁性粉末的方法,使用这种软磁性粉末和包含这种软磁性粉末的电子部件。
    • 5. 发明公开
    • NON-CORROSIVE SOFT-MAGNETIC POWDER
    • 耐蚀软磁粉末
    • EP2978549A1
    • 2016-02-03
    • EP14712672.6
    • 2014-03-26
    • BASF SE
    • PAGANO, SandroHWANG, Jae HyungLIEBSCHER, Ralf
    • B22F1/00B22F1/02H01F1/24H01F1/26H01F41/02
    • H01F1/42B22F1/0062B22F1/02C22C2202/02H01F1/24H01F1/26H01F3/08H01F41/0206
    • The invention relates to a soft-magnetic powder comprising a core of a soft-magnetic material and a coating, the coating comprising an insulation treatment compound and an inhibitor, the inhibitor being: (a) a carboxylic acid with the general formula (I) wherein R 1 is a single bond or C 1 -C 6 -alkylene, R 2 to R 6 are each independently H, OH, -X-COOH, C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C 3 -C 7 -cycloalkyl, C 6 -C 12 -aryl, COOR 7 , OR 8 , or two adjacent groups R 2 to R 6 together form a ring, X is a single bond or C 1 -C 6 -alkylene; R 7 , R 8 are C 1 -C 20 -alkyl; or a salt of the carboxylic acid, and/or (b) a compound of the general formula (II) €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ (R 9 -O-)(R 10 -O-)(R 11 -O-)PO€ƒ€ƒ€ƒ€ƒ€ƒ(II) wherein R 9 to R 11 independently of each other indicate C 1 -C 20 -alkyl, C 2 -C 20 -alkenyl, C 2 -C 6 -alkynyl, C 3 -C 7 -cycloalkyl, C 6 -C 12 -aryl, unsubstituted or substituted with one or more groups selected from OH and NH 2 , or R 9 to R 11 are each independently a polydiol moiety having a molecular weight Mw of 500 to 30000 g/mol which is optionally capped at the end by -C 1 -C 20 -alkyl and/or at the connection to O atom bonding to P by C 1 -C 20 -alkylene, or R 10 , R 11 are each independently H. The invention further relates to a process for producing the soft-magnetic powder and an electronic component comprising the soft-magnetic powder.