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Title:
MAGNETIC COMPOSITION
Document Type and Number:
Japanese Patent JP3661302
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain the subject composition which can maintain its heat resis tance, as its moldability and magnetic characteristics are improved by using a thermoplastic norbornene resin, other thermoplastic resins and a magnetic substance.
SOLUTION: This composition comprises the resin components of (A) 1-100wt.% of a thermoplastic norbornene resin and (B) 0-99wt.% of thermoplastic resins other than the component (A), and (C) a magnetic substance. As a component B, polyarylene sulfide is preferred. As the component C, a ferrite of the formula: MO.6Fe2O3 (M is Ca, Ba, Sr or the like) is cited, and is preferably a powder with particle sizes of 0.1-100μm. Preferably, this composition contains 1-50wt.% of the components A and B and 99-50wt.% of the component C. Thus, the objective composition is obtained with extremely practical values.


Inventors:
Zen Shinichiro
Hironobu Shinohara
Application Number:
JP25235996A
Publication Date:
June 15, 2005
Filing Date:
September 03, 1996
Export Citation:
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Assignee:
JSR CORPORATION
International Classes:
C08K3/08; C08K3/22; C08L45/00; C08L81/02; C08L101/00; H01F7/02; (IPC1-7): C08L81/02; C08K3/22; H01F7/02
Domestic Patent References:
JP8157651A
JP6236807A
JP8138929A
JP7242754A