Smellless EVA (ethylene-vinyl acetate) material used as shoe sole and preparation method thereof
A natural, hemp-stem technology, used in soles, applications, footwear, etc., can solve the problems of poor breathability of soles, easy to produce peculiar smell, and unpleasant odor of materials, and achieve the effect of good breathability, comfort and elasticity.
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Embodiment 1
[0027] Example 1: Prepare the following raw materials in parts by weight and send them to the internal mixer:
[0028] 70 copies of EVA;
[0029] 5 servings of natural hemp powder;
[0030] 3 parts of natural bamboo fiber;
[0031] 3 parts of filler;
[0032] Odorless foaming agent 2.5 parts;
[0033] 0.3 parts of odorless coupling agent;
[0034] 0.5 parts of zinc oxide powder;
[0035] 0.1 part of stearic acid,
[0036] The banburying temperature is controlled at 105℃, the air pressure is 0.65kg, and the banburying time is 10 minutes; the mixture obtained from the banburying is sent to the open mill for smelting, and the temperature is controlled at 80℃ during the smelting, 15mm2 times, 1mm2 times; when discharging The thickness of the discharging machine is 2mm, and the cooling water of the discharging machine is kept smooth; the resulting mixture is sent to the foaming machine for foaming, the foaming temperature is 160°C, the pressure is 170kg, and the time is 12-18 minutes; after coo...
Embodiment 2
[0037] Example 2: Prepare the following raw materials in parts by weight and send them to the internal mixer:
[0038] 90 copies of EVA;
[0039] 15 parts of natural hemp stem powder;
[0040] 7 parts of natural bamboo fiber;
[0041] 7 parts of filler;
[0042] 4.5 parts of odorless foaming agent;
[0043] 0.7 parts of odorless coupling agent;
[0044] 1.5 parts of zinc oxide powder;
[0045] 0.5 parts of stearic acid,
[0046] The banburying temperature is controlled at 115℃, the air pressure is 0.8kg, and the banburying time is 10 minutes; the mixture obtained from the banburying is sent to the open mill for smelting, and the temperature is controlled at 90℃ during the smelting, 15mm2 times, 1mm2 times; when discharging The thickness of the discharging machine is 3mm, and the cooling water of the discharging machine is kept smooth; the obtained mixture is sent to the foaming machine for foaming, the foaming temperature is 180℃, the pressure is 170kg, and the time is 18 minutes; after c...
Embodiment 3
[0047] Example 3: Prepare the following raw materials in parts by weight and send them to the internal mixer:
[0048] 80 copies of EVA;
[0049] 10 servings of natural hemp stem powder;
[0050] 5 parts of natural bamboo fiber;
[0051] 5 parts of filler;
[0052] Odorless foaming agent 3.5 parts;
[0053] 0.5 parts of odorless coupling agent;
[0054] 1 part of zinc oxide powder;
[0055] 0.3 parts of stearic acid,
[0056] The banburying temperature is controlled at 110℃, the air pressure is 0.7kg, and the banburying time is 10 minutes; the mixture obtained from the banburying is sent to the open mill for smelting, and the temperature is controlled at 85℃ during the smelting, 15mm2 times, 1mm2 times; when discharging The thickness of the discharging machine is 3mm, and the cooling water of the discharging machine is kept smooth; the obtained mixture is sent to the foaming machine for foaming, the foaming temperature is 170℃, the pressure is 175kg, and the time is 15 minutes; after cool...
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