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Method for improving temperature resistance of PE bag polyethylene material

A technology of polyethylene and temperature resistance, which is applied in the field of improving the temperature resistance of polyethylene materials for PE bags, and can solve problems such as easy deformation, affecting product use effects, and poor temperature resistance of PE bags

Inactive Publication Date: 2021-04-20
台州来智科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The temperature resistance of PE bags is poor, and it is easy to deform during the high-temperature sterilization process, which will affect the use effect of the product. The improvement of the temperature resistance of PE bags in the prior art is mostly improved on the production raw materials, while for the already produced There are few technologies for PE bags that can further improve the temperature resistance. Therefore, the present invention provides a method for improving the temperature resistance of polyethylene materials in PE bags.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A method for improving the temperature resistance of the PE bag polyethylene material of the present embodiment comprises the following steps:

[0031] Step 1, surface irradiation treatment: use the PE bag 60 CO-γ-rays are irradiated at a dose rate of 520Gy / h for 10 minutes, followed by proton irradiation, and the irradiation is complete;

[0032] Step 2, preparation of temperature-resistant wetting agent:

[0033] S1: Active modification of nano zeolite powder: send nano zeolite powder into a calciner for calcination for 20 minutes, the calcination temperature is 600°C, after the calcination is completed, it is then sent into the active treatment liquid for stirring treatment, and the stirring treatment speed is 200r / min, the stirring time is 10min, the stirring is finished, then washing and drying;

[0034] S2: Preparation of organic graphene liquid: send graphene into sulfuric acid for acidification, then wash once with water, then add to silane coupling agent KH5...

Embodiment 2

[0047] A method for improving the temperature resistance of the PE bag polyethylene material of the present embodiment comprises the following steps:

[0048] Step 1, surface irradiation treatment: use the PE bag 60 CO-γ rays are irradiated at a dose rate of 550Gy / h for 15 minutes, followed by proton irradiation, and the irradiation is complete;

[0049] Step 2, preparation of temperature-resistant wetting agent:

[0050] S1: Active modification of nano zeolite powder: Send nano zeolite powder into the calciner for calcination for 25 minutes, the calcination temperature is 700°C, after the calcination is completed, it is then sent into the active treatment liquid for stirring treatment, and the stirring treatment speed is 500r / min, the stirring time is 10-20min, the stirring is completed, then washing and drying;

[0051] S2: Preparation of organic graphene liquid: Send graphene into sulfuric acid for acidification, then wash it with water for 3 times, then add it to silane...

Embodiment 3

[0064] A method for improving the temperature resistance of the PE bag polyethylene material of the present embodiment comprises the following steps:

[0065] Step 1, surface irradiation treatment: use the PE bag 60 CO-γ rays are irradiated at a dose rate of 550Gy / h for 15 minutes, followed by proton irradiation, and the irradiation is complete;

[0066] Step 2, preparation of temperature-resistant wetting agent:

[0067] S1: Active modification of nano zeolite powder: send nano zeolite powder into the calciner for calcination for 25 minutes, the calcination temperature is 650°C, after the calcination is completed, it is then sent into the active treatment liquid for stirring treatment, and the stirring treatment speed is 350r / min, the stirring time is 15min, the stirring is finished, then washing and drying;

[0068] S2: Preparation of organic graphene liquid: send graphene into sulfuric acid for acidification, then wash twice with water, then add to silane coupling agent ...

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Abstract

The invention discloses a method for improving the temperature resistance of a PE bag polyethylene material, which comprises the following steps: step 1, performing surface irradiation treatment: performing irradiation treatment on a PE bag by using 60CO-gamma rays with the irradiation dose rate of 520-580Gy / h for 10-20 minutes, then performing proton irradiation treatment, and finishing the irradiation; and 2, preparing a temperature-resistant wetting agent. The PE bag is firstly treated by 60CO -gamma rays and then treated by proton irradiation, the surface active energy of the PE bag can be stimulated, the PE bag is promoted to be modified more easily in subsequent operation, a microporous structure is formed on the surface of the PE bag after the PE bag is modified by a zinc chloride solution combined with ferric chloride, the internal structure is damaged, and then the interior of the PE bag is modified more easily by the temperature-resistant wetting agent.

Description

technical field [0001] The invention relates to the technical field of processing polyethylene materials in PE bags, in particular to a method for improving the temperature resistance of polyethylene materials in PE bags. Background technique [0002] PE is the abbreviation of polyethylene, which is a thermoplastic resin obtained by polymerization of ethylene. In industry, it also includes copolymers of ethylene and a small amount of α-olefin; it is a kind of transparent plastic bag, which can be used for packaging of clothing, bags, electronic products, etc.; polyethylene is a typical thermoplastic, which is odorless, tasteless and non-toxic. flammable white powder. Those with a molecular weight of more than 100,000 are ultra-high molecular weight polyethylene. The higher the molecular weight, the better its mechanical properties and mechanical properties. However, as the molecular weight increases, the difficulty of processing also increases. The melting point of polyet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/12C08J9/26C08J9/42C08L23/06
Inventor 郑贝贝
Owner 台州来智科技有限公司
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