High brightness gain metal screen coating

A metal curtain, high-brightness technology, applied in the direction of coating, metal-free paint, etc., can solve the problems of high cost of metal curtain, fear of moisture, easy to drop beads, etc., to achieve difficult and easy to fall off, reduce moisture absorption, inhibit Shedding effect

Inactive Publication Date: 2016-06-01
JIANGYIN DONGHENG NEW MATERIAL SCI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The common defect of glass bead curtain is that it is afraid of moisture and easy to drop beads
In contrast, the metal curtain has no defects of powder falling or moisture resistance because the metal powder is mixed with resin and applied on the curtain blank, but the cost of the metal curtain is higher

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The present invention is a high-brightness gain metal curtain coating, the composition and weight ratio of the coating: 100 parts of polyvinyl chloride paste resin, 12 parts of chlorinated polyethylene, 3 parts of metal powder, anatase titanium dioxide 10 parts, 2 parts of hollow glass powder, 85 parts of dioctyl phthalate, 10 parts of dioctyl adipate, 8 parts of epoxidized soybean oil. Among them, the particle size of the hollow glass powder is not more than 3 microns.

Embodiment 2

[0021] The present invention is a high-brightness gain metal curtain coating, the composition and weight ratio of the coating: 100 parts of polyvinyl chloride paste resin, 10 parts of chlorinated polyethylene, 10 parts of metal powder, anatase titanium dioxide 15 parts, 0.5 parts of hollow glass powder, 70 parts of dioctyl adipate, 6 parts of epoxy soybean oil. Among them, the particle size of the hollow glass powder is not more than 3 microns.

Embodiment 3

[0023] The present invention is a high-brightness gain metal curtain coating, the composition and weight ratio of the coating: 100 parts of polyvinyl chloride paste resin, 20 parts of chlorinated polyethylene, 5 parts of metal powder, anatase titanium dioxide 12 parts, 1 part of hollow glass powder, 42 parts of dioctyl phthalate, 32 parts of dioctyl adipate, 10 parts of epoxidized soybean oil. Among them, the particle size of the hollow glass powder is not more than 3 microns.

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Abstract

The invention discloses a high brightness gain metal screen coating. The coating comprises, by weight, 100 parts of polyvinyl chloride paste resin, 10-20 parts of chlorinated polyethylene, 3-10 parts of metal powder, 10-15 parts of anatase titanium dioxide, 0.5-2 parts of hollow glass powder, 70-85 parts of a plasticizer and 6-10 parts of a heat stabilizer. The hollow glass powder and the metal powder are simultaneously added to reduce the moisture absorption ability of a screen and inhibit shedding of the glass powder, and shedding of the hollow glass powder having light weight is more difficult than shedding of common powder; and the hollow glass powder and the metal powder are simultaneously used, so the production cost of the screen is reduced, and the produced screen has low cost and high brightness gain.

Description

technical field [0001] The invention relates to a metal curtain coating with high brightness gain. Background technique [0002] At present, most projection screens used for film or video image projection are formed by superimposing a black base plate and a white polyvinyl chloride (PVC) thin layer. Traditional projection screens have low reflectivity (gain) parameters, resulting in dark projection images that need to be seen clearly in a dark space; and traditional projection screens have poor scattering capabilities, and projection images can only be seen in a dark space. Can only be seen from a small viewing angle. [0003] In order to improve the projection effect of the projection screen, people have proposed a glass bead screen with glass beads glued on the PVC film and a metal screen with a metal powder layer added on the curtain blank. The common defect of glass bead curtain is that it is afraid of moisture and easy to drop beads. In contrast, the metal curtain ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/06C09D123/28C09D7/12C09D5/38
Inventor 刘长青
Owner JIANGYIN DONGHENG NEW MATERIAL SCI TECH
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