Spiral carbon tube/zinc oxide/PCTG master batch and PCTG composite material containing same

A technology of zinc oxide and four-needle zinc oxide, which is applied in the field of polymer composite materials, can solve problems such as poor strength, achieve the effects of preventing interface slippage, enhancing photocatalytic antibacterial effect, and enhancing interaction

Pending Publication Date: 2022-07-22
宁波坚锋新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of poor PCTG material strength and modification methods, to propose a spiral carbon tube / zinc oxide / PCTG master batch and a PCTG composite material containing the master batch, to enhance and modify the PCTG material, Make the material have high strength and high modulus on the basis of maintaining the original ultra-high toughness, and at the same time have excellent antibacterial properties, further broaden the application field of PCTG materials

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  • Spiral carbon tube/zinc oxide/PCTG master batch and PCTG composite material containing same
  • Spiral carbon tube/zinc oxide/PCTG master batch and PCTG composite material containing same

Examples

Experimental program
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Effect test

Embodiment 1

[0038] The preparation method of the present embodiment spiral carbon tube / zinc oxide / PCTG master batch is as follows:

[0039]A1: Add 5 parts of carbon spiral tubes to 150 parts of nitric acid solution with a concentration of 3 mol / L, stir at room temperature for 2 hours, filter and separate out the carbon spiral tubes, wash three times with deionized water and absolute ethanol, and dry at 100 °C for 24 hours. The acidified carbon spiral tubes were added to 150 parts of hydrogen peroxide with a concentration of 30 vol.% for ultrasonic dispersion for 2 hours, the spiral carbon tubes were separated by filtration, repeatedly washed with deionized water until the pH was neutral, and filtered and dried;

[0040] A2: Premix 5 parts of spiral carbon tubes obtained in the above steps, 10 parts of four-needle zinc oxide and 30 parts of ethylene glycol by mechanical stirring for 1 h, and the mixture is mixed with terephthalic acid and 1,4-cyclohexanedimethanol according to 0.5: The rat...

Embodiment 2

[0043] The preparation method of the present embodiment spiral carbon tube / zinc oxide / PCTG master batch is as follows:

[0044] A1: Add 5 parts of carbon spiral tubes to 150 parts of nitric acid solution with a concentration of 3 mol / L, stir at room temperature for 2 hours, filter and separate out the carbon spiral tubes, wash three times with deionized water and absolute ethanol, and dry at 100 °C for 24 hours. The acidified carbon spiral tubes were added to 150 parts of hydrogen peroxide with a concentration of 30 vol.% for ultrasonic dispersion for 2 hours, the spiral carbon tubes were separated by filtration, repeatedly washed with deionized water until the pH was neutral, and filtered and dried;

[0045] A2: Premix 2 parts of spiral carbon tubes obtained in the above steps, 10 parts of four-needle zinc oxide and 30 parts of ethylene glycol by mechanical stirring for 1 h, and the mixture is mixed with terephthalic acid and 1,4-cyclohexanedimethanol according to 0.5: The ra...

Embodiment 3

[0048] The preparation method of the present embodiment spiral carbon tube / zinc oxide / PCTG master batch is as follows:

[0049] A1: Add 5 parts of carbon spiral tubes to 150 parts of nitric acid solution with a concentration of 3 mol / L, stir at room temperature for 2 hours, filter and separate out the carbon spiral tubes, wash three times with deionized water and absolute ethanol, and dry at 100 °C for 24 hours. The acidified carbon spiral tubes were added to 150 parts of hydrogen peroxide with a concentration of 30 vol.% for ultrasonic dispersion for 2 hours, the spiral carbon tubes were separated by filtration, repeatedly washed with deionized water until the pH was neutral, and filtered and dried;

[0050] A2: Premix 1 part of the spiral carbon tube obtained in the above steps, 10 parts of four-needle zinc oxide and 30 parts of ethylene glycol by mechanical stirring for 1 h, and the mixture is mixed with terephthalic acid and 1,4-cyclohexanedimethanol according to 0.5: The ...

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Abstract

The invention belongs to the technical field of polymer composite materials, and particularly relates to a helical carbon tube/zinc oxide/PCTG master batch and a PCTG composite material containing the master batch. A PCTG material loaded with the spiral carbon tube and tetrapod-like zinc oxide is prepared through an in-situ polymerization reaction and serves as a spiral carbon tube/zinc oxide/PCTG master batch, the content of the spiral carbon tube is 0.01-10 wt% of the mass of the master batch, the content of the zinc oxide is 0.01-20 wt% of the mass of the master batch, and the PCTG composite material has the advantages that the spiral carbon tube/zinc oxide/PCTG composite material is used as the spiral carbon tube/zinc oxide/PCTG master batch; comprising 50-90 parts of PCTG raw material, 10-40 parts of helical carbon tube/zinc oxide/PCTG master batch, 10-45 parts of glass fiber and 0.1-1 part of antioxidant, the structural damage of the helical carbon tube and zinc oxide in the blending process is reduced to the greatest extent, the helical carbon tube and zinc oxide are uniformly dispersed in a PCTG matrix, and the mechanical property and antibacterial effect of the PCTG composite material are remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of polymer composite materials, and particularly relates to a spiral carbon tube / zinc oxide / PCTG master batch and a PCTG composite material containing the master batch. Background technique [0002] Compared with PET, amorphous copolyester polyethylene terephthalate / cyclohexanedimethanol (PCTG) has one more comonomer (1,4-cyclohexanedimethanol, CHDM). With the increase of CHDM content, the melting point of the material decreases, the glass transition temperature increases, the crystallinity decreases, and finally an amorphous polymer is formed. Due to the difference in chemical structure, PCTG exhibits significantly different properties from PET. It has good heat resistance, high product transparency, excellent impact resistance, and excellent processing and molding properties, but its strength is reduced, so it can only partially replace the application of PET. . [0003] At present, the modification of P...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/22C08L67/02C08G63/199C08G63/78C08K7/00C08K7/24C08K7/08C08K9/02C08K7/14
CPCC08J3/226C08G63/199C08G63/78C08K7/00C08K7/24C08K7/08C08K9/02C08L67/02C08J2467/02C08J2367/02C08K7/14
Inventor 梅园李振麻一明
Owner 宁波坚锋新材料有限公司
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