Plastic mulching film
A technology for plastic mulch film and raw materials, which can be used in plant protection, application, horticulture, etc., can solve the problems of sustainable development of agriculture, difficult to degrade, etc., and achieve the effect of good performance and fast degradation.
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Embodiment 1
[0017] This plastic mulch comprises the following steps:
[0018] A plastic mulch, the method comprising the steps of:
[0019] A, first put 5.0kg of linear low-density polyethylene, 2.0kg of polypropylene, 0.1kg of tert-butyl peroxycumene and 0.1kg of nanoscale titanium dioxide into the mixer and stir for 3 minutes at a speed of 8000 rpm;
[0020] B. After the stirring in step A is finished, add 5.0kg of 120 mesh potato starch, 0.8kg of microcrystalline wax, 0.1kg of iron stearate, 1.0kg of calcium carbonate and 0.5kg of polyvinyl alcohol into the mixer, with 50 Stir at a speed of rev / min for 10 minutes;
[0021] C. Put the mixed material obtained in step B into the hopper of the film blowing machine, set 5 heating sections in turn, and the heating time of each heating section is 5 minutes, and then extrude and blow mold it into a cylinder with a thickness of 0.006mm shape film; wherein, the temperatures of the five heating sections are 190°C, 195°C, 200°C, 202°C, and 205°C...
Embodiment 2
[0025] This plastic mulch comprises the following steps:
[0026] A, first put 6.0kg of linear low density polyethylene, 1.0kg of polypropylene, 0.05kg of tert-butyl peroxycumene and 0.05kg of nano-scale titanium dioxide into the mixer and stir for 1 minute at a speed of 10000 rpm;
[0027] B. After the stirring in step A ends, add 4.0kg of 120 mesh potato starch, 0.5kg of microcrystalline wax, 0.05kg of iron stearate, 0.8kg of calcium carbonate and 0.1kg of polyvinyl alcohol into the mixer, and use 100 Stir at a speed of rev / min for 5 minutes;
[0028] C. Put the mixed material obtained in step B into the hopper of the film blowing machine, set 5 heating sections in turn, and the heating time of each heating section is 5 minutes, and then extrude and blow mold it into a tube with a thickness of 0.2mm shape film; wherein, the temperatures of the five heating sections are 190°C, 195°C, 200°C, 202°C, and 205°C in sequence;
[0029] D. Cut and roll the tubular film prepared in ...
Embodiment 3
[0032] This plastic mulch comprises the following steps:
[0033] A, first put 5.5kg of linear low density polyethylene, 1.5kg of polypropylene, 0.08kg of tert-butyl peroxycumene and 0.08kg of nanoscale titanium dioxide into the mixer and stir for 2 minutes at a speed of 9000 rpm;
[0034] B. After the stirring in step A ends, add 4.5kg of 120 mesh potato starch, 0.6kg of microcrystalline wax, 0.07kg of iron stearate, 0.9kg of calcium carbonate and 0.4kg of polyvinyl alcohol into the mixer, with 80 Stir at a speed of rev / min for 9 minutes;
[0035] C. Put the mixed material obtained in step B into the hopper of the film blowing machine, set 5 heating sections in turn, and the heating time of each heating section is 5 minutes, and then extrude and blow mold it into a tube with a thickness of 0.1mm shape film; wherein, the temperatures of the five heating sections are 190°C, 195°C, 200°C, 202°C, and 205°C in sequence;
[0036] D. Cut and roll the tubular film prepared in step ...
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