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Black weeding mulching film special for potatoes

A technology for weeding film and potato is applied in the field of black agricultural ground covering film, which can solve the problems of soil structure hardening, environmental pollution, harming the ecological environment, etc., and achieve the effects of increasing the effective accumulated temperature, suppressing weeds, and large temperature difference between day and night.

Inactive Publication Date: 2014-08-27
甘肃宏鑫农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These film fragments can form a shade layer in the soil, hinder the flow of water, air, fertilizer, etc. in the soil, cause the soil structure to harden, seriously endanger the ecological environment, and cause environmental pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] ⑴ Preparation of potato black special herbicide mulch masterbatch

[0028] a. Take linear low-density polyethylene 18kg, low-density polyethylene 5kg, metallocene polyethylene 5kg, high-density polyethylene 5kg, black masterbatch 20kg, dispersant stearic acid 1.5kg, dispersant polyethylene wax 1.5kg , UV absorber 1.5kg, antioxidant 2kg, herbicide 4kg, polymeric hindered amine light stabilizer 5kg, heat preservation agent hydrotalcite 3.5kg for spare.

[0029] b. Put the spare raw materials into the automatic mixer and stir evenly.

[0030] c. Quality inspectors inspect the mixed raw materials, and take samples of anti-aging special masterbatch of longevity mulch film for testing with a special testing machine, and implement the national standard GB13735-92.

[0031] d. After passing the inspection, pack it into the warehouse.

[0032] ⑵Preparation of potato black special weeding film

[0033] a. Start-up inspection: Whether the plasticizing blow molding machine is ru...

Embodiment 2

[0043] The preparation of this embodiment film masterbatch is identical with embodiment 1, and difference is:

[0044] Step ⑴ In the preparation of potato black special weeding film masterbatch a, take 25kg of linear low density polyethylene, 15kg of low density polyethylene, 15kg of metallocene polyethylene, 10kg of high density polyethylene, 30kg of black masterbatch, and dispersant stearin Acid 3.5kg, dispersant polyethylene wax 3.5kg, ultraviolet absorber 3kg, antioxidant 4kg, herbicide 8kg, polymeric hindered amine light stabilizer 10kg, heat preservation agent hydrotalcite 5kg for spare.

[0045] Step (2) In the preparation of potato black special weeding mulch a, take 62kg of linear low density polyethylene, 15kg of low density polyethylene, 16kg of metallocene polyethylene, 14kg of high density polyethylene, and 18kg of masterbatch of potato black special weeding mulch.

[0046] Step ⑵ During the preparation of potato black special weeding film d. Put the spare raw mat...

Embodiment 3

[0050] The preparation of this embodiment film masterbatch is identical with embodiment 1, and difference is:

[0051] Step ⑴ In the preparation of potato black special weeding mulch masterbatch a, take linear low density polyethylene 20kg, low density polyethylene 11kg, metallocene polyethylene 13kg, high density polyethylene 6kg, black masterbatch 23kg, dispersant stearin Acid 2kg, dispersant polyethylene wax 1.7kg, ultraviolet absorber 2.4kg, antioxidant 2.7kg, herbicide 6.2kg, polymeric hindered amine light stabilizer 8kg, heat preservation agent hydrotalcite 4kg spare.

[0052] Step (2) In the preparation of special weeding mulch film for potato black, a. Take 58 kg of linear low-density polyethylene, 8 kg of low-density polyethylene, 13 kg of metallocene polyethylene, 7 kg of high-density polyethylene, and 14 kg of mulch masterbatch.

[0053] Step ⑵ During the preparation of potato black special weeding film d. Put the spare raw materials into the automatic mixer and sti...

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Abstract

The invention relates to a black weeding mulching film special for potatoes. The black weeding mulching film special for the potatoes is made of linear low density polyethylene, low density polyethylene, metallocene polyethylene, high density polyethylene and mulching film master batch raw materials. The mulching film master batch is made of the linear low density polyethylene, low density polyethylene, metallocene polyethylene, high density polyethylene, black master batch, dispersing agent stearic acid, dispersing agent polyethylene wax, ultraviolet radiation absorbefacient, antioxygen, herbicides, aggregate type hindered amine light stabilizer and heat preservation agent hydrotalcite raw materials. A preparation method of the black special weeding mulching film for the potatoes includes the following steps that (1) the mulching film master batch raw materials with different weight parts are sent to an automatic blender mixer, stirred evenly in a mixed mode and inspected for use; (2) the mulching film master batch raw materials with different weight parts are sent to the automatic blender mixer, stirred evenly in a mixed mode, and are subjected to automatic plasticizing extrusion in a plasticizing extrusion machine, blowing traction, slitting and rolling, inspection and warehousing. By means of the black weeding mulching film special for the potatoes, nutrient loss of the potatoes can be reduced, the utilization rate of fertilizers is improved, the service life of the black weeding mulching film special for the potatoes can reach 12 months, and the black weeding mulching film special for the potatoes can be effectively recycled after being used.

Description

technical field [0001] The invention relates to a black agricultural ground covering film, in particular to a special black weed-killing film suitable for potato planting. Background technique [0002] Cultivation of potatoes with black special weeding mulch film for potatoes can not only improve the physical properties of the soil, but also promote the growth of crop roots, and at the same time promote the absorption of nutrients in the deeper soil layer by the crops, improve the utilization rate of fertilizers, improve crop quality, mature earlier, increase benefits, and improve crop quality. The purpose of output can be expanded demonstration application. However, the commonly used black mulch has a service life of only about 180 days, and overgrown with weeds, which seriously affects plant growth, and it is difficult to recycle after aging. Due to the one-time use of mulch, a large amount of residual mulch remains in the soil every year. Plastic mulches are mostly polye...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L23/06C08K13/02C08K3/26C08K5/09C08J3/22A01G13/02
CPCC08L23/0815A01G13/0275B29D7/01C08J3/226C08J5/18C08J2323/08C08J2423/06C08L2203/16C08L2205/025C08L2205/035C08L2207/062C08L2207/066C08L23/06C08K13/02C08K3/26C08K5/09
Inventor 刘晓军张昇龙李宏义
Owner 甘肃宏鑫农业科技有限公司
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