Light diffusing polyester film
A technology of polyester film and light diffusion, applied in the field of materials, to achieve high light transmittance, avoid environmental pollution, and sufficient optical diffusion
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Embodiment 1
[0030] Surface layer: 25% Yizheng chemical fiber FG610, 75% Yizheng chemical fiber SB500
[0031] Middle layer: 5% PP, 10% Changzhou Lucky LK7020 (2.5% silicon dioxide mass ratio, particle size about 4um), 85% Yizheng chemical fiber SB500
[0032] The properties of the optical diffusion film prepared after biaxial stretching and heat setting are shown in Table 1.
Embodiment 2
[0034] Surface layer: 15% Shanghai Lianle MB40 (silica mass ratio content 40%, particle size about 5-6um), 75% Yizheng chemical fiber SB500
[0035] Middle layer: 3% PP, 97% Yizheng chemical fiber SB500
[0036] The properties of the optical diffusion film prepared after biaxial stretching and heat setting are shown in Table 1.
Embodiment 3
[0038] Surface layer: 30% Shanghai Lianle MB40 (silica mass ratio content 40%, particle size about 5-6um), 75% Yizheng chemical fiber SB500
[0039] Middle layer: 3% PP, 97% Yizheng chemical fiber SB500
[0040] The properties of the optical diffusion film prepared after biaxial stretching and heat setting are shown in Table 1.
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