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Modified polyethylene and preparation method thereof

A polyethylene and modification technology, applied in the field of modified polyethylene and its preparation, can solve the problems of poor anti-ultraviolet ability, short service life, yellowing of color, etc., achieve faster dissolution speed, lower processing cost, and reduce kinetic energy The effect of loss

Inactive Publication Date: 2018-06-22
李柯英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing PE has poor anti-ultraviolet ability, and the color will turn yellow after long-term use, and the material will age and the service life will be short

Method used

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  • Modified polyethylene and preparation method thereof
  • Modified polyethylene and preparation method thereof
  • Modified polyethylene and preparation method thereof

Examples

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Effect test

Embodiment 1

[0028] A modified polyethylene, comprising the following components in parts by weight: 20 parts of polyethylene, 10 parts of nylon, 10 parts of carbon black, 5 parts of zinc oxide, 5 parts of titanium dioxide, 3 parts of mineral oil, and 2 parts of stabilizer ; Wherein, described stabilizer is the common stabilizer that obtains on the market.

[0029] A preparation method of modified polyethylene, comprising the following steps: (1) crushing 20 kg of polyethylene waste through crushing equipment to obtain fragments; (2) grinding the fragments with a grinder and passing through a 150-mesh sieve to obtain powder; ( 3) Put the powder and organic solvent into the dissolving device, mix and stir, stir at 110°C until the powder is dissolved, then continue to add polyethylene 20kg, nylon 10kg, carbon black 10kg, zinc oxide 5kg, titanium dioxide 5kg to the organic solvent, 3kg of mineral oil and 2kg of stabilizer are stirred until gelatinous to obtain a gelatinous mixture; (4) pulver...

Embodiment 2

[0036] A modified polyethylene, comprising the following components in parts by weight: 25 parts of polyethylene, 13 parts of nylon, 10 parts of carbon black, 5 parts of zinc oxide, 5 parts of titanium dioxide, 4 parts of mineral oil, and 2 parts of stabilizer ; Wherein, described stabilizer is the common stabilizer that obtains on the market.

[0037] A preparation method of modified polyethylene, comprising the following steps: (1) crushing 25kg of polyethylene waste through crushing equipment to obtain fragments; (2) grinding the fragments with a grinder and passing through a 150-mesh sieve to obtain powder; ( 3) Put the powder and organic solvent into the dissolving device, mix and stir, stir at 110°C until the powder is dissolved, then continue to add 25kg of polyethylene, 13kg of nylon, 10kg of carbon black, 5kg of zinc oxide, and 5kg of titanium dioxide into the organic solvent. 4kg of mineral oil and 2kg of stabilizer are stirred until gelatinous to obtain a gelatinous...

Embodiment 3

[0039] A modified polyethylene, comprising the following components in parts by weight: 28 parts of polyethylene, 15 parts of nylon, 12 parts of carbon black, 6 parts of zinc oxide, 6 parts of titanium dioxide, 4 parts of mineral oil, and 2 parts of stabilizer ; Wherein, described stabilizer is the common stabilizer that obtains on the market.

[0040] A preparation method of modified polyethylene, comprising the following steps: (1) taking 28kg of polyethylene waste and crushing it through crushing equipment to obtain fragments; (2) grinding the fragments with a grinder and passing through a 150-mesh sieve to obtain powder; ( 3) Put the powder and organic solvent into the dissolving device, mix and stir, stir at 110°C until the powder is dissolved, then continue to add 28kg of polyethylene, 15kg of nylon, 12kg of carbon black, 6kg of zinc oxide, and 6kg of titanium dioxide into the organic solvent. 4kg of mineral oil and 2kg of stabilizer are stirred until gelatinous to obtai...

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Abstract

The invention discloses modified polyethylene and a preparation method thereof. The modified polyethylene comprises the following components in part by weight: 20-30 parts of polyethylene, 10-15 partsof nylon, 10-12 parts of carbon black, 5-8 parts of zinc oxide, 5-8 parts of titanium dioxide, 3-5 parts of mineral oil and 2-3 parts of a stabilizer. The modified polyethylene and the preparation method thereof, disclosed by the invention, have the benefits that the anti-oxidation and anti-ultraviolet properties of the polyethylene are fully improved, the aging situation is hard to occur in caseof long-term use, and the service life is long; and the discoloration of the polyethylene is effectively avoided.

Description

technical field [0001] The invention belongs to the technical field of polyethylene processing, and in particular relates to a modified polyethylene and a preparation method thereof. Background technique [0002] Polyethylene (PE) is currently a commonly used plastic, and has been widely used in water supply pipes, drainage pipes, automotive exteriors, and agricultural films. However, the existing PE has poor anti-ultraviolet ability, and the color will turn yellow after long-term use, and the material will age and the service life will be short. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the invention provides a modified polyethylene with stable performance and long service life and a preparation method thereof. [0004] In order to achieve the above object, the present invention adopts the following technical solutions: a modified polyethylene, comprising the following components in parts by weight: 20-30 parts of polyethy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L77/00C08L91/00C08K3/22C08K3/04C08J3/21
CPCC08J3/21C08J2323/06C08J2477/00C08J2491/00C08K3/04C08K2003/2241C08K2003/2296
Inventor 李柯英李国俊
Owner 李柯英
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