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An ultra-wide and foldable projection screen and its production process

A projection screen and production process technology, applied in the field of projection screens, can solve the problems of not being able to meet people's needs, difficulty in eliminating creases, poor folding resistance, etc., and achieve good projection effect, wide door width, and improved performance.

Active Publication Date: 2017-01-25
ZHEJIANG YULI NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The projection cloth on the market is generally less than 3.2 meters in width. Sometimes the projection cloth of this size cannot meet people's needs. For example, in large-scale open-air activities and movies going to the countryside, a projection screen with a wider width is required.
Although an ultra-wide projection screen has been developed in the existing market, this projection screen needs to be folded when carried, and it is difficult to eliminate creases after folding. The disadvantages are poor folding resistance and low tensile strength.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] An ultra-wide folding resistant projection screen, which is composed of a layer of reflective film and light-shielding film, and is laminated through the process steps of unfolding, heating, and pressing. The raw material is preferably PVC resin powder with a higher K value, which improves the folding resistance of the projection cloth. Because the film made of the high-K value PVC resin powder has a higher brightness than the product requirement value, through research, an appropriate amount of matting is added PVC resin powder effectively reduces the original brightness and makes the product meet the requirements. Plasticizers such as DOP are also added to the formula, so that the projection cloth has no creases after folding, and the product is well plasticized, which improves the fold fastness; the stabilizer added in the production prevents its decomposition and changes. Adding nano calcium, because the price is relatively low, adding PVC powder as a filler, so that...

Embodiment 2

[0121] The raw material formula is as follows:

[0122] The proportions of the chemical reagents of the reflective film are as follows (weight per vehicle (kg)):

[0123] PVC resin 70

[0124] Matting PVC resin powder 20

[0125] DOP plasticizer (dioctyl phthalate) 34

[0126] Epoxidized soybean oil 2.8

[0127] Liquid barium zinc stabilizer 4.0

[0128] Nano calcium 8

[0129] DOA cold protection agent 10

[0130] Rutile Titanium Dioxide 19

[0131] Barium zinc powder stabilizer 0.6

[0132] Antimony trioxide flame retardant 3.8

[0133] Liquid rubber 4

[0134] Acrylic resin (methyl acrylate) 0.6

[0135] Color (flavor) 0.02

[0136] Pigment (Ultramarine) 0.100

[0137] The ratio of the chemical reagents for the shading film is as follows (weight per vehicle (kg)):

[0138] PVC resin 75

[0139] Matting PVC resin 12

[0140] DOP plasticizer 34

[0141] Epoxidized soybean oil 2.6

[0142] Liquid barium zinc stabilizer 4.0

[0143] Nano calcium 8

[0144] DOA cold protection agent 10

[0145] Powder bariu...

Embodiment 3

[0153] The raw material formula is as follows:

[0154] The proportions of the chemical reagents of the reflective film are as follows (weight per vehicle (kg)):

[0155] PVC resin 80

[0156] Matting PVC resin powder 10

[0157] DOP plasticizer (dioctyl phthalate) 37

[0158] Epoxidized soybean oil 2.6

[0159] Liquid barium zinc stabilizer 4.4

[0160] Nano calcium 9

[0161] DOA cold protection agent 9

[0162] Rutile Titanium Dioxide 20

[0163] Barium zinc powder stabilizer 0.4

[0164] Antimony trioxide flame retardant 3.5

[0165] Liquid rubber 6

[0166] Acrylic resin (methyl acrylate) 0.4

[0167] Color (flavor) 0.02

[0168] Pigment (Ultramarine) 0.112

[0169] The ratio of the chemical reagents of the shading film is as follows (weight per vehicle (kg)):

[0170] PVC resin 85

[0171] Matting PVC resin 8

[0172] DOP plasticizer 37

[0173] Epoxidized soybean oil 2.8

[0174] Liquid barium zinc stabilizer 4.4

[0175] Nano calcium 9

[0176] DOA cold protection agent 9

[0177] Powder barium zi...

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Abstract

The invention relates to a super wide fold-resistant projection curtain. The width of the projection curtain is 4800+ / -2mm, and the projection curtain is formed by applying a reflecting film to a light shielding film. A routine projection cloth generally adopts PVC resin, a cross-linking agent, a plasticizer, calcium carbonate and other raw materials, and has the disadvantages of easy breaking and low folding fastness, and liquid rubber is added in the calendering formula of the above product to solve the problem of difficult elimination of creases of the projection curtain. The liquid rubber adopts polyurethane liquid rubber, and a result of a lot of experiments shows that the addition of a small amount of the liquid rubber and TPU polyurethane realizes the rapid elimination of the creases generated after folding. The new product has the advantages of folding resistance, strong tensile strength, flame retardation and the like.

Description

Technical field [0001] The invention relates to a projection screen, in particular to an ultra-wide folding resistant projection screen. Background technique [0002] The network information age has made people’s needs for sharing and gathering information increasingly prominent. Multimedia teaching, business presentations, modern conference room construction, automated monitoring, home entertainment, etc. have made large-screen projection display systems one of the important means of information dissemination, projection Screens are used in movies, offices, home theaters, and large-scale conferences. They are tools used to display images and video files. According to incomplete statistics, China’s projection equipment market will exceed 5.5 million units in 2013. China has become the second only The world’s second largest projection consumer market in the United States. Looking at the world, the development prospects of projection technology and equipment are even more immeasur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B27/30B32B27/18B32B37/15B32B37/04G03B21/60C08L27/06C08K13/02C08K5/12C08K5/1515C08K3/22
CPCB32B27/18B32B27/304B32B37/06B32B37/15B32B38/06B32B2307/3065B32B2307/54B32B2307/552B32B2457/00G03B21/60
Inventor 张宇蝶张建平何红平李光华章海中李峰汤红辉
Owner ZHEJIANG YULI NEW MATERIAL CO LTD
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