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Material formula and production process of automatic winding packaging film

A production process and automatic technology, which is applied in the field of agricultural harvesting crop packaging materials, can solve the problems of complex structure of separable adhesive tapes, large demand for adhesives, complicated production processes, etc., and achieves remarkable packaging effect and saves adhesives. The amount of use and the effect of good puncture resistance

Active Publication Date: 2022-06-24
新疆棉锦农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this technology, both ends of the double-sided adhesive base layer are bonded by adhesive, so the demand for adhesive is relatively large in the preparation process, and there are harmful ingredients in the adhesive, which is not conducive to environmental protection.
On the other hand, the separable adhesive tape has a complex structure and a wide width. During actual use, one end will be separated and the other end will be stuck. shutdown, and the specific structure of the above-mentioned packaging film has caused its production process to be complicated, with low efficiency and high cost

Method used

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  • Material formula and production process of automatic winding packaging film
  • Material formula and production process of automatic winding packaging film
  • Material formula and production process of automatic winding packaging film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] Refer to the attached figure 1 , a material formula for winding automatic packaging film, measured by mass percentage, mainly including the following raw materials: linear low density polyethylene, high pressure low density polyethylene, metallocene polyethylene, color masterbatch, anti-aging agent, ultraviolet absorber, anti-aging agent electrostatic agent;

[0071] The anti-aging agent is: antioxidant 1010, namely tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester;

[0072] The ultraviolet absorber is: 2-hydroxy-4-n-octyloxybenzophenone;

[0073] The antistatic agent is: octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate;

[0074] Stir the above-mentioned raw materials uniformly according to the following formula ratio, and use the five-layer co-extrusion film blowing machine equipment to carry out blow molding:

[0075] The raw material ratio of inner layer 1 and inner layer 2 is as follows: high pressure low density pol...

Embodiment 2

[0079] A material formula for winding automatic packaging film, measured by mass percentage, mainly includes the following raw materials: linear low density polyethylene, high pressure low density polyethylene, metallocene polyethylene, color masterbatch, anti-aging agent, ultraviolet absorber, antistatic agent;

[0080] The anti-aging agent is: anti-oxidant 1076, namely β-(3,5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate;

[0081] Described ultraviolet absorber is: 2-(2'-hydroxyl-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole;

[0082] The antistatic agent is: octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate;

[0083] Stir the above-mentioned raw materials uniformly according to the following formula ratio, and use the five-layer co-extrusion film blowing machine equipment to carry out blow molding:

[0084]The raw material ratio of inner layer 1 and inner layer 2 is as follows: high pressure low density polyethylene 12%, linear low density polyethylene ...

Embodiment 3

[0088] A material formula for winding automatic packaging film, measured by mass percentage, mainly includes the following raw materials: linear low density polyethylene, high pressure low density polyethylene, metallocene polyethylene, color masterbatch, anti-aging agent, ultraviolet absorber, antistatic agent;

[0089] The anti-aging agent is: antioxidant 1010, namely tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester;

[0090] The ultraviolet absorber is: 2-hydroxy-4-n-octyloxybenzophenone;

[0091] The antistatic agent is: octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate;

[0092] Stir the above-mentioned raw materials uniformly according to the following formula ratio, and use the five-layer co-extrusion film blowing machine equipment to carry out blow molding:

[0093] The raw material ratio of inner layer 1 and inner layer 2 is as follows: high pressure low density polyethylene 14%, linear low density polyethylene 45%, met...

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Abstract

The invention relates to packaging materials for agricultural harvested crops, in particular to a material formula and a production process for wrapping automatic packaging films used for harvesting and packaging operations such as cotton and silage. Winding automatic packaging film material formula, measured by mass percentage, including the following raw materials: linear low-density polyethylene, high-pressure low-density polyethylene, metallocene polyethylene, color masterbatch, anti-aging agent, ultraviolet absorber, antistatic agent; winding The production process of automatic packaging film mainly includes: material preparation; film blowing; glue coating; making roll film unit; roll film unit is connected to form a finished roll film. Utilizing the material formula, the prepared packaging film material has moderate thickness, stable anti-aging and anti-static properties, high anti-buffer strength, good retraction rate and good puncture resistance. The production process of the present invention is reasonable in process design, economical and practical, so that the sealing mouth of the material is tight and firm, and the produced packaging film can be quickly separated during the packaging process of the material.

Description

technical field [0001] The invention relates to the technical field of packaging materials for agricultural harvested crops, in particular to a material formulation and a production process for wrapping automatic packaging films used in harvesting and packaging operations such as cotton and silage. Background technique [0002] Winding packaging roll film is used in the field of crop harvesting material packaging. It can be automatically packaged by automatic packaging machinery without manual operation during use, which greatly improves packaging efficiency and improves economic benefits. [0003] The conventional packaging operation for cotton, silage, etc. in the prior art is to use the roll film from the roll to package the material, and the end of the roll film must be bonded to the roll film layer below it, so as to be firmly Wrap the item. For example, in the working process of the cotton picker, the cotton is finally wrapped through the roll film and then packaged. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B27/06B32B27/32B32B37/10C08L23/08C08L23/06C08K5/134C08K5/132C08K5/3475C08K5/17C08J5/18B29C48/08B29C48/21B29C48/49B29C55/28B65H18/08B65D65/40
CPCB32B27/08B32B27/32B32B37/10C08J5/18B29C48/0018B29C48/08B29C48/21B29C48/49B29C55/28B65H18/08B65D65/40C08J2323/08C08J2423/06C08K5/1345C08K5/132C08K5/3475C08K5/17B65H2701/19B65D2565/381
Inventor 宋林林宋定俊
Owner 新疆棉锦农业科技有限公司
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