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PE (Polyethylene) composite material and preparation method thereof

A technology of composite materials and mixtures, which is applied in the field of PE composite materials and its preparation, can solve the problems of poor physical properties and compatibility of composite materials, and limit the application of PE composite materials, and achieve improved compatibility and excellent impact strength. Effect

Inactive Publication Date: 2015-12-09
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the poor compatibility of PE and silica, the physical properties of the composite material obtained by directly compounding the two are poor, which seriously limits the application of PE composite materials. Therefore, how to improve the relationship between PE and silica Compatibility, obtaining PE composite materials with excellent physical properties has become a technical problem that needs to be solved urgently in this field

Method used

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  • PE (Polyethylene) composite material and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0039] (1) Preheat 12g of absolute ethanol at 40°C for 2 hours, add 180g of concentrated ammonia water under stirring conditions, and continue stirring to obtain a mixture of concentrated ammonia water and absolute ethanol, then add 8g of TEOS to the mixture of concentrated ammonia water and absolute ethanol Reaction in medium for 12h, then add 1gKH550 and heat to reflux for 4h, centrifuge and filter and wash, and disperse the obtained product in toluene to obtain Si0 2 -NH 2 Dispersions;

[0040] (2) 28g triethylamine is added to Si0 under low temperature conditions 2 -NH 2 In the dispersion liquid, 28g of 2-bromoisobutyryl bromide was added dropwise, reacted at room temperature for 12h, washed by centrifugal filtration, and dried in vacuum to obtain Si0 2 -Br material;

[0041] (3) Si0 2 -Br material and 12gCuCl and 12gCuCl 2 Ultrasonic dispersion into anisole, followed by adding 30g of n-butyl acrylate and 20g of pentamethyldiethylenetriamine, freezing in liquid nitro...

Embodiment 2

[0045] (1) Preheat 16g of absolute ethanol at 80°C for 4 hours, add 300g of concentrated ammonia water under stirring conditions, continue to stir to obtain a mixture of concentrated ammonia water and absolute ethanol, and then add 12g of TEOS to the mixture of concentrated ammonia water and absolute ethanol Reaction in medium for 24h, then add 3gKH550 and then heat to reflux for 8h, centrifuge and filter and wash, and disperse the obtained product in toluene to obtain Si0 2 -NH 2 Dispersions;

[0046] (2) 36g triethylamine is added to SiO under low temperature conditions 2 -NH 2 In the dispersion liquid, 36g of 2-bromoisobutyryl bromide was added dropwise, reacted at room temperature for 24h, washed by centrifugal filtration, and dried in vacuum to obtain Si0 2 -Br material;

[0047] (3) Si0 2 -Br material and 18g CuCl and 18g CuCl 2 Ultrasonic dispersion into anisole, followed by adding 40g of n-butyl acrylate and 30g of pentamethyldiethylenetriamine respectively, then...

Embodiment 3

[0051] (1) Preheat 14g of absolute ethanol at 60°C for 3 hours, add 240g of concentrated ammonia water under stirring conditions, and continue stirring to obtain a mixture of concentrated ammonia water and absolute ethanol, then add 10g of TEOS to the mixture of concentrated ammonia water and absolute ethanol Reacted in medium for 18h, then added 2gKH550 and then heated to reflux for 6h, centrifugally filtered and washed, and the obtained product was dispersed in toluene to obtain Si0 2 -NH 2 Dispersions;

[0052] (2) 32g triethylamine is added to SiO under low temperature conditions 2 -NH 2 In the dispersion liquid, 32g of 2-bromoisobutyryl bromide was added dropwise, then reacted at room temperature for 18h, washed by centrifugal filtration, and dried in vacuum to obtain Si0 2 -Br material;

[0053] (3) Si0 2 -Br material and 15g CuCl and 15g CuCl 2 Ultrasonic dispersion into anisole, followed by adding 35g of n-butyl acrylate and 25g of pentamethyldiethylenetriamine r...

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Abstract

The invention provides a PE (Polyethylene) composite material and a preparation method of the PE composite material. The PE composite material comprises the following components in parts by weight: 50 to 80 parts of PE, 10 to 20 parts of SiO2-g-PBA (Poly Butyl Acrylate) material, 0.1 to 0.5 part of antioxidant and 0.2 to 0.8 part of lubricant. According to the PE composite material provided by the invention, the SiO2-g-PBA material is adopted, the compatibility problem between the PE and SiO2 is favorably improved, and both the stretching strength and the impact strength of the PE composite material are excellent.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a PE composite material and a preparation method thereof. Background technique [0002] The English name of polyethylene is polyethylene, referred to as PE. It is a thermoplastic resin obtained by polymerization of ethylene. It has excellent low temperature resistance, good chemical stability, and can withstand most acid and alkali erosion. [0003] Silicon dioxide (SiO 2 ), insoluble in acid, but soluble in hydrofluoric acid and hot concentrated phosphoric acid, and can act with molten alkalis. Rubber felt, ferrosilicon, molding sand, elemental silicon, cement, etc. [0004] Due to the poor compatibility of PE and silica, the physical properties of the composite material obtained by directly compounding the two are poor, which seriously limits the application of PE composite materials. Therefore, how to improve the relationship between PE and silica Compatibility, obtaining P...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L51/10C08K5/00C08K5/134C08K5/526C08K5/098C08K5/13C08F292/00B29B7/28B29C43/58
CPCB29B7/28B29C43/52B29C43/58B29C2043/5816C08F292/00C08L23/06C08L51/10C08K5/00C08K5/1345C08K5/526C08K5/098C08K5/13C08F220/1804
Inventor 刘凯黄家奇程健
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD