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Magnetic orientation pattern and preparation method thereof

A magnetic orientation and pattern technology, applied in the field of magnetic orientation pattern and its preparation, can solve the problems of large amount of pigment used, single overall optical effect of magnetic pigment, etc. Effect

Active Publication Date: 2015-01-07
HUIZHOU FORYOU OPTICAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. It is used for the coating containing magnetic pigment (magnetic pigment containing layer) is relatively thick, and the magnetic pigment contained in the coating can have a better magnetic orientation space when the thickness is not less than d50 / 3. Thicker Coating means a large amount of pigment is used;
[0005] 2. The overall optical effect of the magnetic pigment is single

Method used

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  • Magnetic orientation pattern and preparation method thereof
  • Magnetic orientation pattern and preparation method thereof
  • Magnetic orientation pattern and preparation method thereof

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Embodiment Construction

[0035] see figure 1 , figure 1 It is a flowchart of a method for preparing a magnetic alignment pattern provided by an embodiment of the present invention. The method for preparing a magnetic alignment pattern in this embodiment includes:

[0036] S101: providing a base layer;

[0037] Wherein, the substrate layer may be a fibrous substrate, such as paper or cardboard. Fiber-free porous substrates are also possible, such as plastic substrates with a porous surface, or even non-porous substrates with a textured or uneven surface structure. The base layer can be transparent, opaque or translucent. Colorless or pigmented substrates are also available as desired.

[0038] S102: Coating a first coating on the base layer, the first coating contains a plurality of first magnetic pigments;

[0039] The first coating can be applied according to any printing means known in the art, such as inkjet printing, offset printing, flexographic printing, gravure printing, stencil printing, ...

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Abstract

The invention discloses a magnetic orientation pattern and a preparation method thereof. The preparation method of the magnetic orientation pattern comprises the steps of: providing a substrate layer; coating a first coating including multiple first magnetic pigments on the substrate layer; drying and curing the first coating; coating a second coating on the dried or cured first coating and swelling the first coating by the second coating; performing magnetic orientation on the first magnetic pigments in the first coating which is swelled by the second coating; drying or curing the second coating and the first coating which is swelled by the second coating so as to form the magnetic orientation pattern. Through the way mentioned above, thickness of a magnetic pigment carrying layer can be reduced fully, and the use amount of the pigments can be further reduced. Furthermore, according to the magnetic orientation pattern and the preparation method thereof, excellent diversified optical effects can be obtained, ink film performances in special demands can be obtained, and a set magnetic induction image also can be produced.

Description

technical field [0001] The invention relates to a magnetic alignment pattern and a preparation method thereof. Background technique [0002] The method of producing a magnetic induction image is generally to coat the ink or coating composition containing magnetic pigments on the substrate, immediately apply an external magnetic field for magnetic orientation when the coating is in the wet film stage, and then harden the coating to form the final magnetic induction image components or decorative coatings. [0003] In the existing methods for obtaining magnetic induction images, the magnetic pigments contained in the coating must have sufficient deflection space and small enough resistance during magnetic orientation, so the magnetic orientation must be performed in a wet film state. Therefore, there are generally following defects in the prior art: [0004] 1. It is used for the coating containing magnetic pigment (magnetic pigment containing layer) is relatively thick, and...

Claims

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Application Information

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IPC IPC(8): B41M3/14B41M7/00
Inventor 樊长武邹文格王荇阳义峰
Owner HUIZHOU FORYOU OPTICAL TECH
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