磁気コアおよび磁気コア用接着性樹脂組成物

Japanese Patent JP3871268

B2

The present invention provides a magnetic core whose outer surface has been coated without handling brittle ribbon to thereby impart insulating properties and shape retention properties to the magnetic core after annealing heat treatment, and further provides an adhesive resin composition for a magnetic core, which is useful for efficiently producing the above-mentioned magnetic core without using any organic solvent and which per se is stable to heat and elapse of time. By forming a coating film having a certain thickness or more on an outer surface using a composition containing a resin of specific properties, there can be obtained a magnetic core whose outer surface has been coated without handling brittle ribbon to thereby impart insulating properties and shape retention properties to the magnetic core after annealing heat treatment. The adhesive resin composition containing particles of a resin having specific properties is useful for efficiently producing the above-mentioned excellent magnetic core without using any organic solvent, and this composition is stable to heat and elapse of time.

Takashi Ono
Mitsunobu Yoshida
Maruko Nobuhiro
Takashi Kuroki
Masashi Tamai
Kanayama Koichi
Hiroshi Watanabe

JP2002581534A

January 24, 2007

April 12, 2002

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Mitsui Chemicals, Inc.

H01F27/24; C08L71/00; C08L81/06; C09D181/06; C09J171/10; C09J177/00; C09J179/08; C09J181/06; H01F3/04; H01F41/02; H01F1/18

JP63094609A
JP61208811A
JP4339880A
JP4086254A
JP61095029A
JP7331068A
JP2000095997A
JP11246759A
JP58210976A
JP6124841A
JP1096910A
JP2002033213A

Shunichiro Suzuki
Koji Makimura

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