Thermochromic sheet as well as preparation process and application thereof
A thermochromic, sheet technology, applied in the direction of films/sheets without carriers, film/sheet adhesives, synthetic resin layered products, etc. Circuit damage and other problems, to avoid circuit obstacles, good viewing visual effects, and wide discoloration temperature range
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Embodiment 1
[0034] A thermochromic sheet, comprising 68.2 parts of PVB resin powder, 10 parts of discoloration auxiliary, 20 parts of triethylene glycol diisooctanoate, 0.2 part of nano-dispersion liquid containing indium tin oxide (ITO), and 0.6 part of antioxidant parts, UV-P 1.0 parts, the discoloration assistant includes Fe(II) phosphate and butanediol, and the weight parts of the two are 0.77 parts and 9.23 parts respectively. The antioxidants are tetrakis[beta-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate]pentaerythritol (1010) and tris[2.4-di-tert-butylphenyl]phosphite (168) Mix in a 1:1 ratio. All components are blended and extruded to prepare a sheet, and then a 5mm ultra-white + 0.76mm thermochromic sheet + 5mm ultra-white laminated glass is made by the laminated glass production method. At different temperatures, the ultraviolet rays of the laminated glass are The transmittance, infrared transmittance and visible light transmittance were tested, and the results are shown in Ta...
Embodiment 2
[0039] A thermochromic sheet, comprising 60.2 parts of PVB resin powder, 18 parts of discoloration auxiliary, 20 parts of triethylene glycol diisooctanoate, 0.2 part of nano-dispersion liquid containing indium tin oxide (ITO), and 0.6 part of antioxidant parts, UV-P 1.0 parts, the discoloration assistant includes Fe(II) phosphate and butanediol, and the weight parts of the two are 1.38 parts and 16.62 parts respectively. The antioxidants are tetrakis[beta-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate]pentaerythritol (1010) and tris[2.4-di-tert-butylphenyl]phosphite (168) Mix in a 1:1 ratio. All components are blended and extruded to prepare a sheet, and then a 5mm ultra-white + 0.76mm thermochromic sheet + 5mm ultra-white laminated glass is made by the laminated glass production method. At different temperatures, the ultraviolet rays of the laminated glass are The transmittance, infrared transmittance and visible light transmittance were tested, and the results are shown in T...
Embodiment 3
[0043] A thermochromic sheet, comprising 53.2 parts of PVB resin powder, 25 parts of discoloration auxiliary, 20 parts of triethylene glycol diisooctanoate, 0.2 part of nano-dispersion liquid containing indium tin oxide (ITO), and 0.6 part of antioxidant parts, UV-P 1.0 parts, the discoloration assistant includes Fe(II) phosphate and butanediol, and the weight parts of the two are 1.92 parts and 23.08 parts respectively. The antioxidants are tetrakis[beta-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate]pentaerythritol (1010) and tris[2.4-di-tert-butylphenyl]phosphite (168) Mix in a 1:1 ratio. All components are blended and extruded to prepare a sheet, and then a 5mm ultra-white + 0.76mm thermochromic sheet + 5mm ultra-white laminated glass is made by the laminated glass production method. The light transmittance experiment was carried out, and the experimental results are shown in Table 3.
[0044] Table 3 embodiment three ultra-white laminated glass performance test results ...
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