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A technology of anodizing aluminum and titanium dioxide, applied in the field of anodizing aluminum, can solve problems such as insufficient performance and insufficient tolerance
Active Publication Date: 2017-10-17
ANHUI JIYOU NEW MATERIAL CO LTD
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[0004] Based on this, it is necessary to provide a kind of anodized aluminum for the problem that the performance of the
Method used
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[0035] The invention also provides a method for preparing anodized aluminum, including the following steps:
[0036] S100, provide base film;
[0037] S200, coating the release layer on the base film, the coating speed is 80m / min, the coating temperature is 100℃, and the dry coating amount is 0.2~1.0g / m 2 ;
[0038] S300, coating the color layer on the release layer, the coating speed is 100m / min, the coating temperature is 120℃, and the dry coating amount is 0.6~1.2g / m 2 ;
[0039] S400, vacuum aluminum plating on the base film coated with release layer and color layer, the aluminum plating speed is 80m / min, and the dry coating amount is 0.2~0.5g / m 2 ;as well as
[0040] S500: Apply adhesive layer to the product obtained from vacuum aluminum plating, the coating speed is 100m / min, the coating temperature is 110℃, and the dry coating amount is 0.6~1.2g / m 2 .
Example Embodiment
[0041] Example 1
[0042] Components:
[0043] Base film: select 18g / m 2 , PET (polyethylene terephthalate) with a thickness of 12u is the base film layer.
[0044] Water-based release layer: 2.5 parts of ethylene vinyl acetate copolymer modified polypropylene wax, 3 parts of modified oxidized polyethylene wax with silicon hydroxyl group, 0.1 part of silicone defoamer, 25 parts of ethanol, 25 parts of deionized water;
[0045] Water-based color layer: 25 parts of water-based acrylic emulsion, 8 parts of water-based magenta, 10 parts of modified cellulose, 5 parts of alumina-coated titanium dioxide (particle size 60nm), 0.2 parts of silicone defoamer, 35 parts of deionized water;
[0046] Water-based adhesive layer: 25 parts of water-based acrylic resin, 5 parts of water-based terpene resin, 5 parts of fumed silica (particle size 70nm), 30 parts of deionized water, 0.3 parts of silicone defoamer.
[0047] preparation:
[0048] Add 25 parts of ethanol and 25 parts of deionized water into th...
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Abstract
The invention relates to electric aluminium comprising a base film layer, a release layer, a color layer, an aluminized layer and an adhesive layer which are sequentially arranged in a laminating mode. The release layer comprises, by weight, 2-5 parts of liquid wax, 1-3 parts of plate release wax, 20-30 parts of ethyl alcohol and 20-30 parts of deionized water, wherein the plate release wax is modified oxidized polyethylene wax with silicon hydroxyl. The modified oxidized polyethylene wax is added in the release layer to serve as the plate release wax, the modified oxidized polyethylene wax has the silicon hydroxyl (Si-OH), the friction resisting property of the release layer can be improved, and thus the release layer has smooth and full hand feelings and accordingly has the good stripping property; and meanwhile the modified oxidized polyethylene wax can be matched with the liquid wax mutually, so that the release layer has good acid resistant, alkali resistant and hard-water resistant properties, and the uniformity of smearing of the color layer on the release layer can be further improved. By adjusting the adding amount of the modified oxidized polyethylene wax, the electric aluminium can have different degrees of the friction resisting property and the acid resistant, alkali resistant and hard-water resistant properties, and accordingly the application requirement can be better met.
Description
technical field [0001] The invention relates to the technical field of tipping paper, in particular to anodized aluminum. Background technique [0002] Anodized aluminum hot stamping patterns are more and more widely used in packaging and printing because of their special metallic luster and eye-catching effects. In recent years, they have been gradually developed and utilized by printing manufacturers. The current trend of high-end tipping paper production, while improving the aesthetics and grades of products, it also adds a lot of value to printing manufacturers. [0003] Anodized aluminum is composed of polyester film (PET) and multi-layer chemical coatings coated on its surface. Different coatings play different roles in anodized aluminum hot stamping. The release layer is mainly to ensure that the anodized aluminum can be transferred from the substrate during the hot stamping process, while the color layer is mainly for decoration, and the aluminum coating is mainly t...
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