Environment-friendly water-based composite wax emulsion release material for electric aluminum and preparation method of material

It is a release material and environment-friendly technology, which is applied in the direction of wax coating and coating, which can solve the problems of low surface tension of coating, high cost of use, inconsistent product tightness, etc., to increase surface tension, improve the appearance of coating film, The effect of good alcohol resistance

Active Publication Date: 2015-06-24
云南玉溪东魅包装材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the wax emulsion has poor alcohol resistance, and it is easy to demulsify and flocculate during use, which not only causes waste, but also makes the wax particles coated on the polyester film unevenly distributed, and the coating amount per unit area is unstable, which affects its stri

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The water-based resin used in the environment-friendly water-based composite wax emulsion release material for anodized aluminum in the present embodiment is hydroxypropyl methylcellulose, and the emulsifier is polyoxyethylene (20EO) sorbitan monostearate, pH The regulator is 2-amino-2-ethyl-1,3-propanediol, and the raw materials are calculated in parts by weight: 15 parts of montan wax, 7 parts of hydroxypropyl methylcellulose, polyoxyethylene (20EO) for dehydration 3 parts of sorbitol monostearate, 1 part of 2-amino-2-ethyl-1,3-propanediol, 5 parts of polyether-modified fluorine-containing polydimethylsiloxane, and 80 parts of water.

[0031] The preparation method of this composite wax emulsion comprises the following steps:

[0032] (1) Preparation of water-based resin solution

[0033] A. Weigh 15 parts of water with a temperature of 10-25°C into the reaction kettle and heat to 65-70°C;

[0034] B. Add 7 parts of hydroxypropyl methylcellulose under the stirr...

Embodiment 2

[0044] The water-based resin used in the environment-friendly water-based composite wax emulsion release material for anodized aluminum in this embodiment is hydroxypropyl methylcellulose, and the emulsifier is polyoxyethylene (20EO) sorbitan monooleate, and the pH is adjusted The agent is 2-amino-2-ethyl-1,3-propanediol, and the wetting agent is polyether-modified fluorine-containing polydimethylsiloxane, and the specific proportion is, in parts by weight: 17 parts of montan wax , 5 parts of hydroxypropyl methylcellulose, 4 parts of polyoxyethylene (20EO) sorbitan monooleate, 2 parts of 2-amino-2-ethyl-1,3-propanediol, polyether modified containing 1 part of fluoropolydimethylsiloxane, 75 parts of water.

[0045] The preparation method of this composite wax emulsion is:

[0046] (1) Preparation method of water-based resin solution

[0047] A. Weigh 10 parts of water with a temperature of 10-25°C into the reaction kettle and heat to 65-70°C;

[0048]B. Add 5 parts of hy...

Embodiment 3

[0058] The water-based resin used in the environment-friendly water-based composite wax emulsion release material for anodized aluminum in this embodiment is styrene acrylic acid copolymer, the emulsifier is polyoxyethylene (24EO) cholesteryl ether, and the pH regulator is butyldiethanolamine. The agent is polyether-modified fluorine-containing polydimethylsiloxane, and the specific proportion is, by weight parts: 25 parts of montan wax, 4 parts of styrene acrylic acid copolymer, 2 parts of polyoxyethylene (24EO) cholesteryl ether 2 parts, 2 parts of butyldiethanolamine, 2 parts of polyether modified fluorine-containing polydimethylsiloxane, 60 parts of water.

[0059] The preparation method of this composite wax emulsion is:

[0060] (1) Preparation method of water-based resin solution

[0061] A. Weigh 12 parts of water with a temperature of 10-25°C into the reaction kettle and heat to 65-70°C;

[0062] B. Add 4 parts of styrene acrylic acid copolymer under the stirring...

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PUM

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Abstract

The invention relates to the technical field of film coating products, and provides an environment-friendly water-based composite wax emulsion release material for electric aluminum and a preparation method of the material. The composite wax emulsion release material is characterized in that the composite wax emulsion release material is prepared from the following raw materials in parts by weight: 10-25 parts of montan wax, 2-8 parts of water-based resin, 2-7 parts of emulsifying agents, 1-5 parts of PH conditioning agents, 1-5 parts of wetting agents and 60-80 parts of water. Compared with the prior art, the composite wax emulsion release material has good alcohol tolerance; the composite wax emulsion release material is diluted with alcohol and water according to a ratio of 3:2, and then flocculated by a non-breaking emulsion, and wax particles coated on a film are distributed uniformly, so that the problem that the peeling effect of the wax emulsion release material is affected due to the fact that the coating quantity in a unit area is not stable is solved; water-based resin is matched reasonably, so that the surface tension of a coating layer is improved; the recoatability is excellent; the film coating appearance of a dark product is improved effectively; the water serves as a dispersion medium, so that the influence to the environment is little; the production cost is low; and the wax emulsion release material has the advantages of environmental protection and low cost.

Description

technical field [0001] The invention relates to the technical field of film coating products, and more specifically relates to a release material for anodized aluminum. Background technique [0002] Anodized aluminum is a multi-coated hot stamping material formed on a polyester film through a certain coating and vacuum aluminum plating process. The coatings from bottom to top are release layer, coloring layer, aluminum plating layer and bonding layer. The function of the release layer is to make the coatings quickly detach from the polyester film after hot stamping and transfer and bond on the surface of the hot stamped object. It must have good detachment performance, otherwise it will easily cause quality problems. [0003] Release materials generally include resins and waxes. [0004] The resin-type release material coating surface has a high surface tension, good recoatability, but poor cutability, not suitable for hot stamping of fine graphics and texts, and is mo...

Claims

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Application Information

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IPC IPC(8): C09D191/06C09D101/28C09D125/14C09D135/06C09D7/12C09D7/00
CPCC08L2205/035C09D7/63C09D7/65C09D191/06C08L1/284C08L71/02C08L83/12C08K5/17C08L25/08C08L35/06
Inventor 何宗修龚麟陈诗阳杨正德
Owner 云南玉溪东魅包装材料有限公司
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