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Matte coating with soft and smooth touch

A coating and smooth technology, applied in the field of matt coating, can solve the problems of high hardness and poor transparency, and achieve the effect of meeting the requirements of temperature resistance and scratch resistance, good transparency, good adhesion and temperature resistance

Active Publication Date: 2020-11-24
安姆科惠州新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The matt coating provided by this patent is multi-layered, and it also uses solid particles and resins, which still has the problems of poor transparency and high hardness.

Method used

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  • Matte coating with soft and smooth touch
  • Matte coating with soft and smooth touch
  • Matte coating with soft and smooth touch

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] A matte coating with a soft and smooth touch, which is obtained by coating the coating solution on a film and drying it. The added parts by weight, raw material information and addition ratio are as shown in Table 1. The amount of components in Example 1

[0055] The component consumption of the coating liquid of table 1 embodiment 1

[0056]

[0057] Among the above components, polyurethane A is a white aqueous dispersion with a glass transition temperature of 10°C and 36°C, a primary particle size of 0.6-1 μm, and a solid content of 50%;

[0058] Polyurethane resin B is a translucent white aqueous dispersion with a glass transition temperature of 18° C., a primary particle size of 0.3 μm, and a solid content of 50%.

[0059] The dispersion system is composed of water and n-propanol.

[0060] Among the additives, the anti-blocking agent polyethylene wax emulsion is a white water dispersion, its D50 particle size is 1.2 μm, and its solid content is 50%.

[0061] Mi...

Embodiment 2

[0071] A matte coating with a soft and smooth touch, which is obtained by rolling the coating solution onto the film and drying it. The added parts by weight, raw material information and addition ratio are as shown in the component dosage of Example 2 in Table 3

[0072] The component consumption of the coating liquid of table 3 embodiment 2

[0073]

[0074]

[0075] Among the above components, polyurethane A is a white aqueous dispersion with a glass transition temperature of 10°C and 36°C, a primary particle size of 0.6-1 μm, and a solid content of 50%;

[0076] Polyurethane resin B is a translucent white aqueous dispersion with a glass transition temperature of 12°C, a primary particle size of 0.4 μm, and a solid content of 40%.

[0077] The dispersion system is composed of water and isopropanol.

[0078] Among the additives, the anti-blocking agent polyethylene wax emulsion is a white water dispersion, its D50 particle size is 1.2 μm, and its solid content is 50%....

Embodiment 3

[0089] A kind of matt coating with soft and smooth touch, which is obtained by coating the coating solution on a film and drying it. The added parts by weight, raw material information and addition ratio are as shown in the component dosage of Example 3 in Table 5

[0090] The component consumption of the coating liquid of table 5 embodiment 3

[0091]

[0092] Among the above components, polyurethane E is a white aqueous dispersion with a glass transition temperature of 16°C and 40°C, a primary particle size of 1.0-1.4μm, and a solid content of 40%;

[0093] Acrylic resin D is a translucent white aqueous dispersion with a glass transition temperature of 16°C, a primary particle size of 0.3 μm, and a solid content of 35%.

[0094] The dispersion system is composed of water and ethanol.

[0095] Among the additives, the anti-blocking agent polyethylene wax emulsion is a white water dispersion with a D50 particle size of 2.2 μm and a solid content of 40%; the mineral oil def...

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Abstract

The invention provides a matte coating with soft and smooth touch. The matte coating is prepared by roller-coating a film with coating liquid and drying, and the coating liquid comprises the followingcomponents by mass: 10-40% of water dispersible resin, 60-90% of a dispersion solvent, 0-3% of an anti-blocking agent, 0-0.2% of an antifoaming agent, 0-1% of a slipping agent. 0-0.5% of a leveling agent and 0.4-5% of an adhesion promoter. The coating has good adhesive force on the surfaces of PET, NY, BOPP and PE films, and an excellent matte effect is obtained after full-page coating or local coating of the surface.

Description

technical field [0001] The invention relates to the technical field of packaging material encapsulation, in particular to a soft and smooth matte coating. Background technique [0002] In some packaging containers on the market, the use of various colorful flexible packaging can attract consumers' attention. And some packaging containers with matte effect on the surface give people a simple and elegant feeling. [0003] In flexible packaging, plastic films with a matte surface are used for packaging bags with a matte surface, such as matte BOPP and matte PET films. The surface matting or matte effect of these films is derived from the formation of incompatible polymer particles or inorganic particles uniformly dispersed on the surface. Due to the poor compatibility of the dispersed particles, there will be problems of poor transparency, rough hand feeling and high surface hardness. In addition, the factors of the production process determine that these films are often pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D7/65C09D7/63C08J7/043C08L67/02C08L77/00C08L23/12C08L23/06
CPCC09D175/04C09D7/65C09D7/63C08J7/043C08J7/0427C08L2205/025C08L2205/035C08J2367/02C08J2377/00C08J2323/12C08J2323/06C08L75/04C08L23/06C08L83/04C08K5/3412
Inventor 冯润财吴奇张羽朱妙清蒋建中高虎
Owner 安姆科惠州新材料科技有限公司
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