Surface treatment method for magnetic particles

Details Surface treatment method for magnetic particles Surface treatment method for magnetic particles

1984-05-25

1986-11-04

Smith, John D.

Coating processes

Magnetic base or coating

Magnetic coating

427214, 427215, 427216, 427221, 427302, 427314, 427318, 427379, 4273855, 4273881, 427399, 4274071, 427409, B05D 512

Patent

active

046209875

ABSTRACT:
A surface treatment method for magnetic particles is disclosed, which comprises the steps of activating magnetic particles by application of heat thereto, treating the surface of the magnetic particles with a reactive silane coupling agent, bringing the treated magnetic particles into contact with at least one polymerizable vinyl-type monomer, polymerizing the monomer to form a polymer, and coating the surface of the magnetic particles with the polymer.

REFERENCES:
patent: 2876133 (1959-03-01), Iler et al.
patent: 3505100 (1970-04-01), Vanderbilt et al.
patent: 3837892 (1974-09-01), Marzacchi
patent: 4264700 (1981-04-01), Bayley
patent: 4314931 (1982-02-01), Hoffend

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