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Polyethylene composition for large-scale container lining

A large-scale container and polyethylene technology, which is applied to large-scale containers, containers, packaging, etc., can solve the problems of not fundamentally changing the adhesion between polyethylene lining and metal shell, affecting the service life of containers, and increasing interface defects , to achieve the effect of ensuring storage and transportation safety, solving poor combination and improving performance

Active Publication Date: 2012-06-06
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, large-scale container plastic lining production plants are limited to the adjustment of processes and equipment to improve product performance and prolong the service life of products, but they have not fundamentally changed the adhesion between polyethylene lining and metal shells. The increase of the contact surface between body and polyethylene, the increase of the interface area between polyethylene and metal, and the increase of interface defects affect the service life of the container to a certain extent

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Polyethylene (PE, typically LLDPE grade DFDA7042) 100 parts (all parts by weight, the same below)

[0027] MAA-g-PE 3 parts

[0028] Diacetyl monoglyceride 3 parts

[0029] EMMA 5 copies

[0030] 1010 0.05 copies

Embodiment 2

[0032] Polyethylene (PE, LLDPE grade YLF-1802) 100 parts

[0033] EVA 2 parts

[0034] MAH-g-PE (polyethylene grafted maleic anhydride) 1 part

[0035] Acrylic-methacrylic acid copolymer 2 parts

[0036] Fatty acid polyoxyethylene ester 3 parts

[0037] 168 0.01 copies

Embodiment 3

[0039] Polyethylene (PE, LLDPE grade DFDA7042) 100 parts

[0040] Sodium Octadecyl Toluene Sulfonate 3 parts

[0041] MAH-g-PE 1 part

[0042] 2 parts ethylene bis stearamide

[0043] 168 0.02 copies

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PUM

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Abstract

The invention relates a polyethylene composition for a large-scale container lining. The polyethylene composition for a large-scale container lining comprises polyethylene, modifiers and an anti-oxidant. Compared with the prior art, the polyethylene composition for a large-scale container lining has the advantages that through the synergism of the modifiers and the anti-oxidant which is a traditional anti-oxidant, polyethylene performances are improved; and through the improvement of polyethylene resin polarity and adherence between a metal framework and a polyethylene lining, a product service life is improved and thus the problem of poor adherence between the existing plastic lining and the metal framework is solved thoroughly.

Description

[0001] 1. Technical field [0002] The invention belongs to the technical field of polymer materials, and in particular relates to a polyethylene composition. The composition can be used to produce various large steel-lined plastic hollow products, such as chemical storage tanks, chemical equipment and the like. 2. Technical Background [0003] In the chemical industry, large containers are indispensable facilities for transportation and storage of raw materials and products, such as tank trucks for transportation and storage tanks for storage. The corrosion of containers has always been an important issue in equipment management. Generally, carbon steel containers will produce iron ion pollution, which cannot meet the storage requirements. And all stainless steel tanks are too expensive. In order to meet the needs of storage product quality assurance or storage tank itself anti-corrosion, in recent years, the method of lining plastic is usually adopted, and the carbon ste...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L67/02C08L71/00C08L33/02C08L35/00C08L33/08C08L51/06C08L23/08C08L31/04C08K5/521C08K5/42C08K5/20C08K5/103B65D88/02
Inventor 陈枫
Owner CHINA PETROLEUM & CHEM CORP
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