UV curable ferromagnetic compositions
First Claim
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1. A photocurable ferromagnetic composition comprising:
- an acrylated epoxy oligomer;
an ethylenically unsaturated monomer having Formula I;
wherein R1 is hydrogen or substituted or unsubstituted alkyl; and
R2 is substituted or unsubstituted alkyl having more than 4 carbon atoms, cycloalkyl, cycloalkenyl, or substituted or unsubstituted aryl;
a photoinitiator; and
a magnetic powder.
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Abstract
The present invention discloses an ultraviolet light curable ferromagnetic composition and method for making such a composition that may be used to produce a ferromagnetic coating on a suitable substrate. These coatings may be used to produce printed capacitors and inductors. The disclosed composition does not contain any significant amount of volatile organic solvents that do not become incorporated in the active layer after curing.
108 Citations
19 Claims
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1. A photocurable ferromagnetic composition comprising:
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an acrylated epoxy oligomer;
an ethylenically unsaturated monomer having Formula I;
wherein R1 is hydrogen or substituted or unsubstituted alkyl; and
R2 is substituted or unsubstituted alkyl having more than 4 carbon atoms, cycloalkyl, cycloalkenyl, or substituted or unsubstituted aryl;
a photoinitiator; and
a magnetic powder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A photocurable ferromagnetic composition comprising:
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an acrylated epoxy oligomer;
an isobornyl acrylate monomer;
a photoinitiator; and
a magnetic powder. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification