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Stereoscopic thermal transfer membrane and preparation method and thermal transfer method thereof

A technology of thermal transfer film and transfer film, which is applied in chemical instruments and methods, temperature recording methods, lamination devices, etc., and can solve problems such as complex manufacturing process and low yield rate

Inactive Publication Date: 2012-11-28
深圳市鹰达行实业有限公司
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Problems solved by technology

[0018] The present invention aims to overcome the technical problems of "complicated process" and "low yield" of traditional three-dimensional thermal transfer printing, and proposes a three-dimensional thermal transfer film, a three-dimensional thermal transfer film that can simplify the thermal transfer method and improve the thermal transfer yield. Preparation method of thermal transfer film and thermal transfer method

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  • Stereoscopic thermal transfer membrane and preparation method and thermal transfer method thereof

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Embodiment Construction

[0035] Such as figure 1 As shown, the three-dimensional thermal transfer film of a preferred embodiment provided by the present invention comprises sequential

[0036] Laminated polyethylene terephthalate (PET) base layer 1, elastic coating with release effect 2,

[0037] Hard coating 3 , printing layer 4 and secondary curing type hot melt layer 5 . In this embodiment, the temperature resistance of the PET film 1 can be baked at 100 degrees Celsius, and the slow-drying solvent can be quickly discharged. The elastic coating 2 is an elastic film formed by silicon-modified polyurethane emulsion or silicon-modified acrylic emulsion or silicon-modified polyurethane acrylate, which has good elasticity and comes with a release function. No sanding is required after transfer. With PET and elastic film as the carrier, the ink can be baked at a higher temperature during the printing process, so that the transfer film can adapt to high temperature transfer printing, thereby improving ...

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Abstract

The invention discloses a stereoscopic thermal transfer membrane which comprises a substrate (1) of polyethylene terephthalate, an elastic coating (2) with release effect, a hardening coating (3), a printing layer (4), and a secondary curing type thermosol layer (5) which are layered orderly. The invention also discloses a preparation method of the transfer membrane, and a thermal transfer method of the transfer membrane. The invention improves the product structure, and simplifies the technical process. Therefore, the thermal transfer technology is provided with improved yield, increased productivity, and reduced cost.

Description

technical field [0001] The invention relates to the field of three-dimensional thermal transfer printing, in particular to a thermal transfer printing that can be used for three-dimensional three-dimensional workpieces [0002] Membrane and its preparation method and thermal transfer method. Background technique [0003] With the flattening process of 3C electronic products, the application of three-dimensional thermal transfer film is increasing, but the current market [0004] The production process of the thermal transfer film on the surface is complicated, and the yield rate is not high, so it is necessary to [0005] The membrane is improved. The traditional three-dimensional thermal transfer film is generally composed of five layers: 1. Base layer, 2. PVC elastic bottom [0006] Layer, 3. Release layer, 4. Printing layer, 5. Adhesive layer. [0007] 1. Base layer: release paper is used as the carrier for PVC elastic bottom layer, ink and adhesive coating, and the c...

Claims

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Application Information

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IPC IPC(8): B41M5/41B41M5/44B32B37/02
Inventor 曹欣纪
Owner 深圳市鹰达行实业有限公司
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