Polyaryl ether nitrile (PEN) and carbonyl iron powder (Fe(CO)5) composite magnetic material and preparation method thereof
A technology of composite magnetic material and carbonyl iron powder, which is used in the fields of magnetism of organic materials/organic magnetic materials, fibrous fillers, dyeing polymer organic compounds, etc.
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[0017] A preparation method of polyarylether nitrile and carbonyl iron powder composite magnetic material, comprising the following steps:
[0018] Step 1: Surface modification of carbonyl iron powder.
[0019] Add carbonyl iron powder and 4,4-diaminodiphenylsulfone curing agent (DDS) to the molten phthalonitrile monomer, and prepolymerize at 200°C for 10 minutes, then the reaction product- The surface-modified carbonyl iron powder is cooled and dried for use; wherein the mass fraction of phthalonitrile monomer is 78.05~107.70 parts, the mass fraction of carbonyl iron powder is 97.56~538.46 parts, 4,4-di The amount of aminodiphenyl sulfone curing agent accounts for 2% of the mass sum of phthalonitrile monomer and carbonyl iron powder.
[0020] Step 2: blending and granulating the polyarylether nitrile resin matrix and the carbonyl iron powder inorganic filler.
[0021] The surface-modified carbonyl iron powder obtained in step 1 is used as an inorganic filler, blended and gr...
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