Plastic masterbatch and preparation method thereof
A technology of plastic masterbatch and raw materials, applied in the field of plastic masterbatch, can solve the problems of poor mechanical properties, wear resistance, poor toughness, etc., and achieve the effect of good elasticity, good gloss and improved rheology
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[0024] Example 1
[0025] Weigh the following parts by weight of raw materials: 70 parts of polypropylene resin, 8 parts of modified mica powder, 5 parts of modified pearl clay, 1 part of modified nano calcium carbonate, 2 parts of modified sepiolite fiber, lignin 1 part of fiber, 1 part of modified glass fiber, 1 part of chlorinated polyethylene, 6 parts of chlorinated paraffin;
[0026] Among them, the preparation method of modified mica powder includes: adding 10g of mica powder to 50mL of distilled water, placing it in an ice water bath, adding 5mL of concentrated hydrochloric acid while stirring, and dropping 10mL of TiCl with a concentration of 2mol / L. 4 Solution, then continue to add 10mL of ammonium sulfate solution with a concentration of 2mol / L, mix and stir, heat the mixture in a water bath to 90~100℃ and keep it for 30~60min; then adjust the pH of the mixture to 7 with ammonia water, filter and wash, Dry at 80°C to obtain modified mica powder.
[0027] The modification m...
Example Embodiment
[0037] Example 2
[0038] Weigh the following raw materials: 72 parts of polypropylene resin, 10 parts of modified mica powder, 6 parts of modified pearl clay, 2 parts of modified nano calcium carbonate, 3 parts of modified sepiolite fiber, lignin 2 parts of fiber, 1.5 parts of modified glass fiber, 1.5 parts of chlorinated polyethylene, 8 parts of chlorinated paraffin;
[0039] Among them, the modification methods of modified mica powder, modified pearl clay, modified nano calcium carbonate, modified sepiolite fiber, and modified glass fiber are the same as those in Example 1.
[0040] Prepare the plastic masterbatch with the above raw materials according to the following method:
[0041] S1. Mix the modified mica powder, modified pearl clay, and modified nano-calcium carbonate, add them to a ball mill and grind for 30 minutes to obtain mixture A;
[0042] S2. Add mixture A, half of the above-mentioned polypropylene resin and chlorinated polyethylene into a high-speed mixer, heat up t...
Example Embodiment
[0045] Example 3
[0046] Weigh the following raw materials to make: 75 parts of polypropylene resin, 11 parts of modified mica powder, 7 parts of modified pearl clay, 3 parts of modified nano-calcium carbonate, 4 parts of modified sepiolite fiber, lignin 3 parts of fiber, 2 parts of modified glass fiber, 2 parts of chlorinated polyethylene, 9 parts of chlorinated paraffin.
[0047] Among them, the modification methods of modified mica powder, modified pearl clay, modified nano calcium carbonate, modified sepiolite fiber, and modified glass fiber are the same as those in Example 1.
[0048] Prepare the plastic masterbatch with the above raw materials according to the following method:
[0049] S1. Mix the modified mica powder, modified pearl clay and modified nano-calcium carbonate, add them to a ball mill and grind for 20-30 minutes to obtain mixture A;
[0050] S2. Add mixture A, polypropylene resin and chlorinated polyethylene with half of the above weight into a high-speed mixer, h...
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