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Low-light matt film and preparation thereof

A matting film and matting agent technology, applied in the field of low-gloss matting film, can solve the problems of loss of material strength film surface gloss, mechanical properties of low-gloss matting film and many bright spots in the film, and achieve high strength, good hand feeling, and few bright spots. Effect

Inactive Publication Date: 2011-04-27
温州市金田塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when adding matting masterbatch, it is difficult to take into account all aspects of the mechanical properties of the low-gloss matting film and the problem of many bright spots in the film. Improve the strength of the material, the surface gloss of the film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～3

300

[0028] The performance test is as follows:

[0029]

Embodiment 4

[0031] A preparation method of a low light matting film, comprising the following process steps: 40 kg of polypropylene resin, 10 kg of antistatic agent erucamide, 10 kg of antiblocking agent silicon dioxide, 40 kg of matting masterbatch, the matting masterbatch is containing matting agent 65wt% polypropylene resin, after mixing and metering, undergoes physical and chemical reactions through a single-screw extruder at 200°C, longitudinal stretching, transverse stretching and traction, and then biaxially stretches to obtain a product.

Embodiment 5

[0033] A method for preparing a low-gloss matting film, comprising the following process steps: 90 kg of polypropylene resin, 1 kg of antistatic agent ethoxylamine, 1 kg of anti-blocking agent silicone, 8 kg of matting masterbatch, the matting masterbatch is containing matting agent 65wt% polypropylene resin, after mixing and metering, undergoes physical and chemical reactions through a single-screw extruder at 270°C, longitudinal stretching, transverse stretching and traction, and then biaxially stretches to obtain a product.

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PUM

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Abstract

The invention relates to a low-light matt film and a method for preparing the same. The low-light matt film comprises the following components in weight percentage: 40 to 90 weight percent of polypropylene resin, 0 to 30 weight percent of antistatic agent, 0.5 to 30 weight percent of antiblocking agent and 1 to 40 weight percent of matt masterbatch; the components are evenly mixed and measured and undergo physical and chemical reactions through a single screw extrusion machine, longitudinal extension, horizontal extension and traction, and the matt film is obtained after bi-directional extension. Compared with the prior art, the matt film has the characteristics of low luster, high strength, less bright points and good handfeel, etc.

Description

technical field [0001] The invention relates to a low-gloss matte film with low gloss, high strength, few bright spots and excellent hand feeling, which is made of polypropylene. The smooth texture of this low-gloss matte film makes the cover of booklets and books very beautiful. Especially convenient for the decoration of the cover. Used for printing and packaging can show the high-grade grade of products. Background technique [0002] Low-gloss matting film has the characteristics of good cost performance, easy availability of raw materials, stable product quality, etc., and it is easy to make a film through antistatic, adhesion or other polymer blending. Therefore, BOPP film made of polypropylene has been widely used for a long time. various fields. However, when the matting masterbatch is added, it is difficult to take into account all aspects of the mechanical properties of the low-gloss matting film and the problem of many bright spots in the film. It improves the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J5/18C08L23/12C08K5/20B29C55/18C08K5/54C08L23/16
Inventor 姚瑱余小双张瑾瑾朱自清黄新龙张金忠
Owner 温州市金田塑业有限公司
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