High-transparency anti-fog polypropylene material and preparation process thereof
A technology of polypropylene material and transparent polypropylene, which is applied in the field of highly transparent anti-fog polypropylene material and its preparation process, can solve the problems that the product cannot obtain good anti-fog effect, the leftover material cannot be reused twice, and the cost of the product is increased. Long-term maintenance of anti-fog effect, significant anti-fog effect, and high transparency
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Embodiment 1
[0024] In this embodiment, the anti-fog material is an anti-fog masterbatch, and the selection of each material is as follows:
[0025] Polypropylene PH-05, China-Korea Wuhan Ethylene Co., Ltd.;
[0026] Anti-fog masterbatch AFM-PP2001, prepared by Shanghai Ruxia New Material Technology Co., Ltd.
[0027] The preparation process is as follows:
[0028] Mix the polypropylene PH-05 granules with the anti-fog masterbatch AFM-PP2001 at a ratio of 95:5 by weight, and then send them into a single-screw sheet extruder to melt and extrude to form a sheet;
[0029] Sheet extrusion temperature setting: zone 1 temperature 200°C, zone 2 temperature 210°C, zone 3 temperature 220°C, zone 4 temperature 230°C, zone 5 temperature 235°C, die head temperature 225°C;
[0030] Three-roll cooling temperature: the temperature of the upper roll is 35°C, the temperature of the middle roll is 45°C, and the temperature of the lower roll is 35°C.
Embodiment 2
[0032] The difference between this example and Example 1 is that the content of the anti-fog masterbatch AFM-PP2001 is 3wt%. The other steps are the same.
experiment example
[0036] The first, second, and comparative examples were tested, and the test standard was based on the anti-fog performance test with reference to GB / T31726-2015.
[0037] First fill the container with 80% of the capacity of hot water, the temperature of the hot water is controlled at 85±10°C, and then cover the required test products (plates made in Example 1, Example 2, and Comparative Example) on the container to prevent fogging The test surface faces the inside of the container, and the test sample and the container need to be well sealed. Then, timing was performed to evaluate the anti-fog effect.
[0038] For test results see figure 1 , it can be clearly seen from the figure that the plate has obvious anti-fog performance after adding anti-fog masterbatch AFM-PP2001, and the performance of adding 3wt% anti-fog masterbatch AFM-PP2001 is far worse than adding 5wt% anti-fog masterbatch AFM-PP2001. Therefore, the plate prepared in Example 1 has high anti-fogging propertie...
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