Method for preparing agricultural mulch film from sound-absorbing cotton leftover scraps used in vehicles

A technology for corner waste and agricultural mulch film, which is applied in botanical equipment and methods, applications, plant protection, etc., can solve the problems of difficult to control degradation time, difficult to be widely accepted by farmers, incomplete degradation, etc., to improve mechanical properties and degradation. Performance, apparent viscosity reduction, effect of particle size reduction

Inactive Publication Date: 2019-02-22
袁志平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing degradable mulch films mainly include biodegradable mulch films, photodegradable mulch films, and photogenerated double-degradable mulch films. The existing problems mainly include high cost, incomplete degradation, and difficulty in controlling the degradation time.
Therefore, the existing degradable plastic film products generally have defects and are difficult to be widely accepted by farmers.

Method used

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  • Method for preparing agricultural mulch film from sound-absorbing cotton leftover scraps used in vehicles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A method for preparing agricultural mulch film by using waste materials of sound-absorbing cotton for automobiles as raw materials, including the following steps:

[0027] (1) Coarsely pulverize the corner waste of sound-absorbing cotton for automobiles, and then melt and extrude them through a single-screw extruder. The extruded materials become plastic particles after being drawn, cooled, and pelletized, which are reserved for use; The waste of cotton corners is the waste of sound-absorbing cotton corners for cars containing PET and PP mixed fibers;

[0028] (2) Mix 50 parts of linear low-density polyethylene and 6 parts of polypropylene according to parts by weight to obtain a mixture, and then add liquid paraffin to the mixture according to the weight ratio of mixture: liquid paraffin of 300:0.8, and mix evenly; A;

[0029] (3) Add 40 parts of the plastic particles produced in step (1) to the mixture A in parts by weight; 35 parts of modified tapioca starch; 5 parts of mo...

Embodiment 2

[0035] A method for preparing agricultural mulch film by using waste materials of sound-absorbing cotton for automobiles as raw materials, including the following steps:

[0036] (1) Coarsely pulverize the corner waste of sound-absorbing cotton for automobiles, and then melt and extrude them through a single-screw extruder. The extruded materials become plastic particles after being drawn, cooled, and pelletized, which are reserved for use; The waste of cotton corners is the waste of sound-absorbing cotton corners for cars containing PET and PP mixed fibers;

[0037] (2) Mix 53 parts of linear low-density polyethylene and 8 parts of polypropylene according to parts by weight to obtain a mixture, and then add liquid paraffin to the mixture according to the weight ratio of mixture: liquid paraffin of 300:0.8 and mix well; A;

[0038] (3) Add 42 parts of the plastic particles produced in step (1) to the mixture A in parts by weight; 38 parts of modified tapioca starch; 8 parts of modif...

Embodiment 3

[0043] A method for preparing agricultural mulch film by using waste materials of sound-absorbing cotton for automobiles as raw materials, including the following steps:

[0044] (1) Coarsely pulverize the corner waste of sound-absorbing cotton for automobiles, and then melt and extrude them through a single-screw extruder. The extruded materials become plastic particles after being drawn, cooled, and pelletized, which are reserved for use; The waste of cotton corners is the waste of sound-absorbing cotton corners for cars containing PET and PP mixed fibers;

[0045] (2) Mix 55 parts of linear low-density polyethylene and 10 parts of polypropylene according to parts by weight to obtain a mixture, and then add liquid paraffin to the mixture according to the weight ratio of mixture: liquid paraffin of 300:0.8, and mix evenly; A;

[0046] (3) Add 45 parts of the plastic particles produced in step (1) to the mixture A in parts by weight; 40 parts of modified tapioca starch; 10 parts of ...

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Abstract

The invention belongs to the technical field of preparation of agricultural mulch films, in particular to a method for preparing agricultural mulch film for sound-absorbing cotton leftover scraps usedin vehicles. The preparation method comprises the steps: a step of pulverization of sound-absorbing cotton leftover scraps used in vehicles, a melting and granulating treatment step, a mixed treatment step of low-density polyethylene, polypropylene and liquid paraffin and a step of granulating the all materials through a screw extruder and blowing the materials into a mulch film with the thickness of 0.004mm to 0.1mm through a film blowing machine. Accordign to the degradable agriculture mulch film disclosed by the invention, the sound-absorbing cotton leftover scraps used in vehicles are used as one of the raw materials, and materials such as modified tapioca starch, a photosensitizer cerium stearate powder, a hindered phenolic antioxidant and a thermal degradation enhancer are added, sothat the degradable capability of the mulch film is improved, the degradation time of the mulch film is effectively controlled, the degradation effect is achieved, the production cost is reduced, andwhite pollution is reduced.

Description

Technical field [0001] The invention belongs to the technical field of agricultural mulch film preparation, and specifically relates to a method for preparing an agricultural mulch film by using car sound-absorbing cotton scraps as raw materials. Background technique [0002] my country is a large agricultural country and a populous country. Agricultural issues are important strategic issues related to the national economy and people's livelihood. Agricultural film is one of the important material materials for agricultural production. Agricultural film is the general term for plastic film used in agricultural production. It plays a very important role in moisturizing and heat preservation during the sowing period. In agricultural production, the use of agricultural mulch film not only has the functions of maintaining fertilizer, preventing insects and inhibiting weeds, but also can maintain soil moisture and increase water use efficiency, while improving the growth environment o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L23/12C08L91/06C08L67/02C08L3/04C08K13/06C08K3/26C08K5/098C08J5/18A01G13/02
CPCA01G13/0275C08J5/18C08J2323/08C08J2400/16C08J2403/04C08J2423/12C08J2467/02C08J2491/06C08K5/098C08K13/06C08K2003/265C08K2201/014C08K2201/018
Inventor 袁志平席小兵张惠柳
Owner 袁志平
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