Foamed light diffusion material and preparation method thereof
A light diffusion and light diffusion agent technology, applied in the field of light diffusion materials, can solve the problems of poor light diffusion and easy sticking of products
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Embodiment 1-6
[0086] A method for preparing a foamed light-diffusing material, comprising the following steps:
[0087] s1, weigh sample mixture, according to the proportioning of Table 2, weigh PC02-10, antioxidant 1010 and release agent PETS to carry out batching;
[0088] s2. Prepare pellets, set parameters according to Table 4, add PC02-10, antioxidant 1010, and mold release agent PETS into Coperion STS35 twin-screw extruder, mix and extrude to obtain pellets;
[0089] s3. Injection foaming and single removal. According to the parameter settings in Table 6, add the pellets to Ningbo Haitian MA1200 injection molding machine for secondary mold injection foaming. During the injection molding process, inject supercritical carbon dioxide into the injection molding machine. In the barrel, after injection molding, during the molding process of the mold, supercritical carbon dioxide is cooled and foamed, stripped and stripped to obtain a foamed light diffusion material; the size of the mold use...
Embodiment 7-9
[0091] A method for preparing a foamed light-diffusing material, the difference from Example 5 is:
[0092] In step s1, according to the ratios in Table 2 and Table 3, weigh PC02-10 and PC02-20 to replace PC02-10;
[0093] In the s2 step, set the parameters of the extruder according to Table 4 and Table 5;
[0094] In step s3, set the parameters of the injection molding machine according to Table 6 and Table 7.
Embodiment 10-12
[0096] A method for preparing a foamed light-diffusing material, the difference from Example 7 is:
[0097] In step s1, according to the proportioning in Table 3, the light diffusing agent of Taiwan Changxing DF30B5 in Taiwan, China was weighed and added to the ingredients;
[0098] In the s2 step, set the parameters of the extruder according to Table 5;
[0099] In step s3, set the parameters of the injection molding machine according to Table 7.
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