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PE thin-film material and preparation method thereof

A film material, technology of sodium alkylbenzene sulfonate, applied in the field of PE film material and its preparation, can solve the problems of PE film material flexibility, poor tearability, etc., to improve anti-aging performance, improve surface activity, strong penetration effect of ability

Inactive Publication Date: 2018-05-18
长沙善道新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a PE film material and its preparation method to solve the problem of how to optimize the components based on the PE film material formula disclosed in the Chinese patent document "A PE film packaging material and its preparation method (Patent No. ZL 201410294112.2)" , dosage, etc., to improve the flexibility and poor tearability of PE film materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0032] The preparation method of above-mentioned PE film material, comprises the following steps:

[0033] S1: Combine linear low density polyethylene and nano-Si0 2 Put it in a three-head grinder and grind it for 1-2h to make a nanocomposite material, then add a-cyanoacrylate, sodium alkylbenzenesulfonate, sodium methyl siliconate, aluminum isopropoxide and mix evenly, and then mix at 150- Melt at 180°C, and react for 1-2 hours under a vacuum of 0.8-1.2MPa to obtain a polymer solution;

[0034] S2: Dry the montmorillonite at 120-130°C for 1-2 hours, put it into a ball mill for grinding, and set aside;

[0035] S3: Add polyethylene oxide, zinc stearate, glycerol, montmorillonite, oleic acid, polyethylimide, anti-scratch agent, toughener to the polymer solution, and then add it to the mixer and stir evenly , the stirring rate is 200-400r / min, the mixing temperature is adjusted to 100-120°C, and the mixing time is 20-30min;

[0036] S4: Send the mixed material into the twin-s...

Embodiment 1

[0038] A PE film material, including the following raw materials: 45 parts of linear low-density polyethylene, 5 parts of a-cyanoacrylate, 2 parts of sodium alkylbenzene sulfonate, 3 parts of sodium methyl siliconate, 2 parts of aluminum isopropoxide parts, nano-Si0 2 3 parts, 18 parts of polyethylene oxide, 8 parts of zinc stearate, 4 parts of glycerin, 15 parts of montmorillonite, 1 part of oleic acid, 7 parts of polyacetimide, 2 parts of polysiloxane, thread 4 parts of type low density polyvinyl butyral;

[0039] The preparation method of described PE film material, comprises the following steps:

[0040] S1: Combine linear low density polyethylene and nano-Si0 2 Put it in a three-head grinder and grind it for 2 hours to make a nanocomposite material, then add a-cyanoacrylate, sodium alkylbenzene sulfonate, sodium methyl siliconate, and aluminum isopropoxide to mix evenly, and then melt at 180°C , and placed in a vacuum of 1MPa to react for 2 hours to obtain a polymer so...

Embodiment 2

[0045] A PE film material, including the following raw materials: 38 parts of linear low-density polyethylene, 4 parts of a-cyanoacrylate, 1 part of sodium alkylbenzene sulfonate, 2 parts of sodium methyl siliconate, 1 part of aluminum isopropoxide parts, nano-Si0 2 2 parts, 15 parts of polyethylene oxide, 7 parts of zinc stearate, 7 parts of glycerin, 12 parts of montmorillonite, 4 parts of oleic acid, 5 parts of polyacetimide, 8 parts of polytetrafluoroethylene, liquid 3 parts silicone rubber;

[0046] The preparation method of described PE film material, comprises the following steps:

[0047] S1: Combine linear low density polyethylene and nano-Si0 2 Put it in a three-head grinder and grind it for 1.5h to make a nanocomposite material, then add a-cyanoacrylate, sodium alkylbenzene sulfonate, sodium methyl siliconate, and aluminum isopropoxide to mix evenly, and then heat it at 160°C Melted, and placed in a vacuum of 0.8MPa to react for 1.5h to obtain a polymer solution;...

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Abstract

The invention discloses a PE thin-film material and a preparation method thereof, and belongs to the technical field of thin film preparation. The PE thin-film material is prepared from linear low-density polyethylene, alpha-cyanoacrylate, sodium alkyl benzene sulfonate, sodium methylsiliconate, aluminium isopropoxide, nanometer SiO2, polyethylene oxide, zinc stearate, glycerol, montmorillonoid, oleic acid, polyethyleneimine, a scratching resistance agent and a flexibilizer. The PE thin-film material is prepared through the steps of grinding, high-temperature reaction, mixing, pelleting, rolling and the like. The PE thin-film material has excellent tensile strength, elongation at break and tearing strength.

Description

technical field [0001] The invention belongs to the field of film materials, and in particular relates to a PE film material and a preparation method thereof. Background technique [0002] With the continuous improvement of people's living standards, people are paying more and more attention to the quality of life. While there are many requirements for product performance, the packaging and appearance of products are also getting higher and higher. When people choose products, product packaging The quality and appearance of the product have also become a very important consideration for people to choose products and judge product quality. At present, the outer packaging film materials on the market usually use polyvinyl chloride as the raw material. Polyvinyl chloride is a thermoplastic resin polymerized by vinyl chloride under the action of an initiator. It has good mechanical properties and is widely used in packaging. However, its high transparency and scratch resistance...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08L71/02C08L83/04C08L29/14C08K13/02C08K5/42C08K3/36C08K5/098C08K3/34C08K5/057C08J5/18
CPCC08J5/18C08J2323/08C08J2471/02C08K3/346C08K3/36C08K5/057C08K5/098C08K5/42C08K13/02C08K2201/011
Inventor 不公告发明人
Owner 长沙善道新材料科技有限公司
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