Coatings for preventing reflection of electromagnetic wave and coating material for forming said coatings
First Claim
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1. Coatings for preventing a reflection of electromagnetic waves on iron structures, comprising 20-260 parts by weight of a ferrimagnetic ferrite powder having a particle size of 1-300μ
- selected from the group consisting of compounds having the formula MFe2 O4 in which M is a bivalent metal selected from the group consisting of Mn, Ni, Co, Mg, Cu, Zn, and Cd; and
40-680 parts by weight of an iron powder having a particle size of 1-20μ
dispersed in 100 parts by weight of a film forming polymer.
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Abstract
Coatings (or coat) for preventing reflection of electromagnetic wave on iron structures and coating material for use in forming said coatings, said coatings comprising ferrite powders and iron powders dispersed in organic high molecular weight compounds and said coating material comprising a dispersion of ferrite powders and iron powders contained in a solution of organic high molecular weight compounds dissolved in organic solvents.
42 Citations
7 Claims
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1. Coatings for preventing a reflection of electromagnetic waves on iron structures, comprising 20-260 parts by weight of a ferrimagnetic ferrite powder having a particle size of 1-300μ
- selected from the group consisting of compounds having the formula MFe2 O4 in which M is a bivalent metal selected from the group consisting of Mn, Ni, Co, Mg, Cu, Zn, and Cd; and
40-680 parts by weight of an iron powder having a particle size of 1-20μ
dispersed in 100 parts by weight of a film forming polymer. - View Dependent Claims (2, 3)
- selected from the group consisting of compounds having the formula MFe2 O4 in which M is a bivalent metal selected from the group consisting of Mn, Ni, Co, Mg, Cu, Zn, and Cd; and
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4. Coating material comprising a dispersion of 20-260 parts by weight of a ferrimagnetic ferrite powder having a particles size of 1-300μ
- selected from the group consisting of compounds having the formula MFe2 O4 in which M is a bivalent metal selected from the group consisting of Mn, Ni, Co, Mg, Cu, Zn, and Cd; and
from 40-680 parts by weight of an iron powder having a particle size of 1-20μ
contained in a solution of 100 parts by weight of a film-forming polymer dissolved in 20-3,000 parts by weight of an organic solvent. - View Dependent Claims (5, 6, 7)
- selected from the group consisting of compounds having the formula MFe2 O4 in which M is a bivalent metal selected from the group consisting of Mn, Ni, Co, Mg, Cu, Zn, and Cd; and
Specification