Environment-friendly waste PE (polyethylene) material, preparation method thereof, modified environment-friendly waste PE material prepared from environment-friendly waste PE material and preparation method of modified environment-friendly waste PE material
A waste and environmental protection technology, applied in the field of environmental protection waste PE material and preparation, modified environmental protection waste PE material and preparation field, can solve the problems of weakened PE material performance, difficult degradation of PE plastic, inability to find, etc., to achieve improved performance, improved performance, The effect of broadening the scope of application
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Embodiment 1
[0026] The preparation method of environment-friendly waste PE material comprises the following steps:
[0027] Step 1, one-time washing: Soak the recovered PE waste in water at a temperature of 45°C for 3 hours, filter out the water, and obtain one-time washing of PE waste;
[0028] Step 2, secondary water washing: crush the primary water-washed PE waste obtained in step 1 into granular form, and rinse with high-pressure water for 8 minutes to obtain secondary water-washed PE waste;
[0029] Step 3, drying: vacuum-dry the secondary washed PE waste obtained in Step 2 to obtain dried PE waste. The vacuum degree of vacuum drying is 0.7-5MPa, and the temperature is 43°C;
[0030] Step 4, cleaning of treatment solution Ⅰ: immerse the dried PE waste obtained in step 3 into treatment solution Ⅰ, raise the temperature to 42°C, stir at a constant temperature for 40 minutes at a constant speed of 100 r / min, and filter the PE waste to obtain a primary treatment of PE waste, of which Th...
Embodiment 2
[0035] The preparation method of environment-friendly waste PE material comprises the following steps:
[0036] Step 1, one-time washing: Soak the recovered PE waste in water at a temperature of 40°C for 4 hours, filter out the water, and obtain one-time washing of PE waste;
[0037] Step 2, secondary water washing: crush the primary water-washed PE waste obtained in step 1 into granular form, and rinse with high-pressure water for 5 minutes to obtain secondary water-washed PE waste;
[0038] Step 3, drying: vacuum-dry the secondary washed PE waste obtained in Step 2 to obtain dried PE waste. The vacuum degree of vacuum drying is 0.7 MPa and the temperature is 45°C;
[0039] Step 4, cleaning of treatment solution Ⅰ: immerse the dried PE waste obtained in step 3 into treatment solution Ⅰ, raise the temperature to 40°C, stir at a constant temperature for 50 minutes at a constant speed of 100 r / min, and filter the PE waste to obtain a primary treatment of PE waste, of which The ...
Embodiment 3
[0044] The preparation method of environment-friendly waste PE material comprises the following steps:
[0045] Step 1, one-time washing: Soak the recovered PE waste in water at a temperature of 50°C for 4 hours, filter out the water, and obtain one-time washing of PE waste;
[0046] Step 2, secondary water washing: crush the primary water-washed PE waste obtained in step 1 into granular form, and rinse with high-pressure water for 10 minutes to obtain secondary water-washed PE waste;
[0047] Step 3, drying: vacuum-dry the secondary washed PE waste obtained in Step 2 to obtain dried PE waste. The vacuum degree of vacuum drying is 0.8 MPa and the temperature is 40°C;
[0048] Step 4, cleaning of treatment solution Ⅰ: immerse the dried PE waste obtained in step 3 into treatment solution Ⅰ, raise the temperature to 45°C, stir at a constant temperature for 30 minutes at a constant speed of 150 r / min, filter the PE waste, and obtain a primary treatment of PE waste, of which The t...
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