Light-diffusion polycarbonate composite material, and preparation method and application thereof
A technology of polycarbonate and composite materials, applied in the field of materials, can solve problems such as compounding and proportion optimization, lack of color rendering function, disadvantages, etc., and achieve the effect of improving color rendering index, high light transmittance, and increasing haze
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[0085] Example 1-2, polymethyl methacrylate cross-linked microspheres and polystyrene cross-linked microspheres are used in proportions, and the appropriate amount is controlled. The light transmittance and haze of the composition are significantly improved, and the LED light diffusion is fully achieved. At the same time, the blue color developer and the red color developer are also matched in a certain proportion, and the color rendering index R9 is obviously improved.
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[0086] In Example 3-4, not only blue color developer and red color developer were used to control their dosage and ratio, and used in combination to selectively absorb different wavelengths and synergistically increase the color rendering index of the LED, but also It is used in combination with polymethyl methacrylate cross-linked microspheres and polystyrene cross-linked microspheres, so that when the composition is used in LED lights, it can also achieve both high light transmittance, high haze and good performance. The optimal effect of the mechanical properties.
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[0087] In Examples 5-6, although the red coloring agent, blue coloring agent and light diffusing agent have synergistic effect, the color rendering index R9 is increased while having higher haze, but the mechanical properties and light transmittance are slightly lower. The failure to achieve the best results is due to the defective combination of light diffusing agent and coloring agent.
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