Resin composition and molded or formed product
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United States of America Patent
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Jan 29, 2002
Grant Date -
N/A
app pub date -
Sep 3, 1999
filing date -
Sep 7, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A resin composition comprising a synthetic resin and a powdered magnetic material, wherein (1) the powdered magnetic material is soft ferrite powder having a rate of permeability change by temperature ranging from -0.040 to 0.010%/.degree. C. in a temperature range of from 20.degree. C. to 80.degree. C. and an average particle diameter ranging from 2 to 1,000 .mu.m, and (2) the powdered magnetic material is contained in a proportion of 50 to 1,400 parts by weight per 100 parts by weight of the synthetic resin, and a molded or formed product which is formed from the resin composition and exhibits a permeability stable to changes in environmental temperature.
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