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Bacteriostatic and environment-friendly plastic protecting film and preparation method thereof

An environmentally friendly plastic and protective film technology, applied in the field of protective film, can solve problems such as uneven thickness, many fish eyes in the film, poor transparency, etc., and achieve the effects of improving mechanical strength, good environmental protection, and high safety in use

Inactive Publication Date: 2018-05-08
桐城市祥泰塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Plastic film is a common daily necessities for people nowadays. Plastic film has the advantages of good transparency, good moisture resistance, excellent heat resistance, convenient use, and low price, and is widely used in all walks of life. Ethylene, polytetrafluoroethylene, polycarbonate and other plastic films are mainly used, but some products have problems such as wrinkles, poor transparency, uneven thickness, and many fish eyes in the film. At the same time, with the gradual enhancement of people's environmental awareness , the recycling rate of plastic film is getting higher and higher, therefore, the requirements for its tear strength are also higher

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A kind of antibacterial environmental protection plastic protective film, which is composed of the following parts by weight of raw materials:

[0018] Pyromellitic dianhydride 10, octyl isothiazolinone 1, dibutyl tin dilaurate 0.4, glycerol triacetate 2, copper sulfate 0.1, sodium dinitrophenol 0.1, phytosterol 1, trimethylolpropane 1 , PTFE 120, sodium peroxide 3, montmorillonite 13, zinc stearate 2.

[0019] A preparation method of antibacterial and environmentally friendly plastic protective film, including the following steps:

[0020] (1) Take sodium peroxide, add it to 17 times its weight in deionized water, and stir evenly;

[0021] (2) Take montmorillonite, calcinate at 650℃ for 1 hour, cool to normal temperature, mix with zinc stearate, add to deionized water 10 times the weight of the mixture, add phytosterol, sonicate for 1 hour, filter, The precipitate is washed with water, dried at room temperature, and ground into fine powder to obtain activated montmorillonite ...

Embodiment 2

[0027] A kind of antibacterial environmental protection plastic protective film, which is composed of the following parts by weight of raw materials:

[0028] Pyromellitic dianhydride 16, octyl isothiazolinone 2, dibutyl tin dilaurate 1, glycerol triacetate 3, copper sulfate 0.2, sodium dinitrophenol 0.3, phytosterol 2, trimethylolpropane 2 , PTFE 140, sodium peroxide 4, montmorillonite 20, zinc stearate 4.

[0029] A preparation method of antibacterial and environmentally friendly plastic protective film, including the following steps:

[0030] (1) Take sodium peroxide, add it to 20 times its weight in deionized water, and stir evenly;

[0031] (2) Take montmorillonite, calcinate at 700℃ for 2 hours, cool to normal temperature, mix with zinc stearate, add to deionized water 15 times the weight of the mixture, add phytosterol, ultrasonicate for 2 hours, filter, The precipitate is washed with water, dried at room temperature, and ground into fine powder to obtain activated montmorillo...

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Abstract

The invention discloses a bacteriostatic and environment-friendly plastic protecting film, which is prepared from the following raw materials in parts by weight: 10 to 16 parts of pyromellitic dianhydride, 1 to 2 parts of octyl isothiazolinone, 0.4 to 1 part of dibutyltin dilaurate, 2 to 3 parts of glyceryl triacetate, 0.1 to 0.2 part of copper sulfate, 0.1 to 0.3 part of sodium dinitrophenol, 1 to 2 parts of phytosterol, 1 to 2 parts of trimethylolpropane, 120 to 140 parts of polytetrafluoroethylene, 3 to 4 parts of sodium peroxide, 13 to 20 parts of montmorillonite and 2 to 4 parts of zinc stearate. A thin film provided by the invention has good environmental friendliness, does not contain harmful and toxic volatile substances, and has high use safety.

Description

Technical field [0001] The invention belongs to the field of protective films, and specifically relates to a bacteriostatic environmental protection plastic protective film and a preparation method thereof. Background technique [0002] Plastic film is a common daily necessities for people nowadays. Plastic film has the advantages of good transparency, good moisture resistance, excellent heat resistance, convenient use, and low price. It is widely used in various industries. At present, the plastic film on the market is mainly based on poly Plastic films such as ethylene, polytetrafluoroethylene, polycarbonate, etc. are the main products, but some products have problems such as wrinkles, poor transparency, uneven thickness, and more film bubbles. At the same time, as people’s awareness of environmental protection is gradually increasing , The recycling rate of the plastic film is getting higher and higher, so the requirements for its tear resistance are higher. Summary of the in...

Claims

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Application Information

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IPC IPC(8): C08L27/18C08K13/06C08K9/04C08K3/34C08K3/30C08K5/098C08J5/18
CPCC08J5/18C08J2327/18C08K3/346C08K5/098C08K9/08C08K13/06C08K2003/3045
Inventor 李学跃
Owner 桐城市祥泰塑业有限公司
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