Transparent display film containing silicon dioxide hollow spheres as well as preparation method and application thereof
A transparent display, silicon dioxide technology, applied in the field of projection film, can solve the problems of large volume, unclear projection, high cost, etc.
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[0055] The present invention has no special limitation on the preparation method of the projection display layer, and it can be used after mixing the components uniformly; specifically, the thermoplastic resin, scattering particle material, inorganic nano black pigment, dispersant and curing The mixture is uniformly mixed to obtain a mixture; the mixture is coated on the surface of the nano magnetic silicon dioxide hollow spheres, and cured to obtain the projection display layer.
[0056] In the present invention, the substrate layer preferably includes polyethylene terephthalate film, polyethylene film, polyvinyl chloride film or glass material; the thickness of the substrate layer is preferably 20-100 μm, more preferably 50-70 μm. In the present invention, there is no special limitation on the source of the substrate layer, and the products well known to those skilled in the art or commercially available can be used.
[0057] In the present invention, the adhesive layer pre...
Embodiment 1
[0066] Weigh 10 mg of oily iron ferric oxide, disperse it in 40 mL of cyclohexane, and after ultrasonication for 1 hour, add 6 mL of Triton X-100, 6 mL of n-hexanol, 1 mL of water, ultrasonic at room temperature for 1 hour, and then slowly add 400 μL of tetraethylorthosilicate After ultrasonication for 1.5 hours, add 0.8 mL of concentrated ammonia water, react at room temperature for 24 hours, collect by centrifugation at 10,000 rpm, then add 1 mL of nitric acid at 60°C, heat for 8.5 hours, and collect by centrifugation to obtain nano-magnetic Silica hollow spheres.
[0067] The following components by weight percentage: 15% of nano-magnetic silica hollow spheres; 71.7% of polymethyl methacrylate resin; 5% of aluminum oxide; 3% of carbon black; Disperbyk-162 3%; IRGACURE127 5% % After mixing evenly, stirring and standing still, a projection display layer of 25 μm is prepared;
[0068] Coating the projection display layer on one side surface of a polyethylene terephthalate fil...
Embodiment 2
[0073] Weigh 20 mg of oily iron ferric oxide, disperse it in 85 mL of cyclohexane, and after ultrasonication for 1.5 h, add 15 mL of Triton X-100, 15 mL of n-hexanol, 12 mL of water, ultrasonic at room temperature for 1.2 h, then slowly add 800 μL of orthosilicic acid Tetraethyl ester, after ultrasonication for 1.5h, add 0.8mL of concentrated ammonia water, react at room temperature for 24h, collect by centrifugation at 10000 rpm, then add 1.5mL of nitric acid at 60°C, heat for 8.5h, and collect by centrifugation. Obtain nano magnetic silica hollow spheres.
[0074] The following components in percentage by weight: 10% nano magnetic silica hollow sphere; 74.2% polyethylene terephthalate resin; 8% zirconia; 5‰ bone black; Solsperse-5000 6.3%; IRGACURE651 1 % After mixing evenly, stirring and standing still, a projection display layer of 20 μm is prepared;
[0075] Coating the projection display layer on one side surface of vinyl film (20 μm), curing and molding;
[0076] Coat...
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Abstract
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