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ZIF-8/nonwoven fabric composite material and preparation method thereof

A technology of ZIF-8 and composite materials, which is applied in non-woven fabrics, textiles, papermaking, fiber types, etc., can solve the problems of complex preparation process, high energy consumption, and large area of ​​equipment, and achieve simple process and relatively low cost. The effect of large surface area and low cost

Active Publication Date: 2020-02-11
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the preparation process of this method is complicated, the equipment occupies a large area, the energy consumption is high, and the prepared composite material has many defects.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • ZIF-8/nonwoven fabric composite material and preparation method thereof
  • ZIF-8/nonwoven fabric composite material and preparation method thereof
  • ZIF-8/nonwoven fabric composite material and preparation method thereof

Examples

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preparation example Construction

[0060] The ZIF-8 / nonwoven fabric composite material obtained by the preparation method of the present invention has excellent hydrophobic and lipophilic properties, for example, the contact angle of the obtained composite material is greater than 120°, preferably above 125°, and even reaches 137.5°. The oil absorption of the obtained composite material, that is, the oil absorption per gram of the non-woven fabric, is 30-37 g / g.

[0061] The preparation method provided by the present invention can control the loading of ZIF-8 nanoparticles on the non-woven fabric by controlling the amount of ZIF-8 original solution and the time of in-situ deposition, and then control the performance of the obtained composite material; the present invention adopts the original The ZIF-8 / non-woven fabric composite material is prepared by the method of position deposition and low-temperature drying, the process is simple, the energy consumption is low, and the cost is low. Through the composite mat...

Embodiment 1

[0064] Dissolve 1.052g of 2-methylimidazole in 80ml of methanol to obtain a 2-methylimidazole solution, dissolve 1.032g of zinc nitrate in 80ml of methanol to obtain a zinc nitrate solution, mix the 2-methylimidazole solution with the zinc nitrate solution , and stir evenly to obtain the original solution of ZIF-8;

[0065] Cut the PP melt-blown non-woven fabric to a size of 6cm*6cm;

[0066] Pour the obtained ZIF-8 original solution into a petri dish, put the PP melt-blown non-woven fabric into the petri dish, soak it in the ZIF-8 original solution, and let it stand for 96 hours;

[0067] The soaked non-woven fabric was taken out and dried at room temperature for 24 hours to obtain a ZIF-8 / non-woven fabric composite material.

Embodiment 2

[0069] Dissolve 1.052g of 2-methylimidazole in 80ml of methanol to obtain a 2-methylimidazole solution, dissolve 1.032g of zinc nitrate in 80ml of methanol to obtain a zinc nitrate solution, mix the 2-methylimidazole solution with the zinc nitrate solution , and stir evenly to obtain the original solution of ZIF-8;

[0070] Cut the PP spunbonded non-woven fabric to a size of 6cm*6cm;

[0071] Pour the obtained ZIF-8 original solution into a petri dish, put the PP melt-blown non-woven fabric into the petri dish, soak it in the ZIF-8 original solution, and let it stand for 48 hours;

[0072] The soaked non-woven fabric was taken out and dried at room temperature for 12 hours to obtain a ZIF-8 / non-woven fabric composite material.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a ZIF-8 / nonwoven fabric composite material and a preparation method thereof. The preparation method includes following steps: preparing a ZIF-8 primary solution; putting nonwoven fabric into the ZIF-8 primary solution; drying to obtain the ZIF-8 / nonwoven fabric composite material. ZIF-8 particles are deposited on the surface of the nonwoven fabric in situ by soaking the nonwoven fabric into the ZIF-8 primary solution and standing for aging and uniformly distributed on the surface of the nonwoven fabric, and the ZIF-8 / nonwoven fabric composite material with a multistagehole structure is obtained by adopting the ZIF-8 particles to fill the nonwoven cloth; the composite material has good adsorption performance and excellent hydrophobicity and lipophilicity. Methods ofin-situ deposition and low-temperature drying are adopted, so that the preparation method is simple in process, low in cost and energy consumption and suitable for popularization and implementation.

Description

technical field [0001] The invention relates to the field of composite materials, in particular to a ZIF-8 / non-woven composite material and a preparation method thereof. Background technique [0002] Non-woven fabric, also known as non-woven fabric, is a material with a fiber mesh structure obtained by directional or random arrangement of textile short fibers or filaments. It has the advantages of moisture resistance, breathability, flexibility, light weight, low price, and recyclability. . However, the performance of existing non-woven fabrics in terms of adsorption and oil-water separation needs to be improved. [0003] Zeolite imidazolium salt framework compound (ZIF-8) is a kind of metal organic framework compound material (MOFs), ZIF-8 can be prepared by zinc ion and imidazole compound through coordination, ZIF-8 is a porous crystal material, and its preparation process Simple, with the characteristics of porosity, highly ordered structure, good thermal and chemical s...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/37C08G83/00D04H1/407D06M101/20D06M101/32
CPCC08G83/008D04H1/407D06M15/37D06M2101/20D06M2101/32D06M2200/12D10B2401/021
Inventor 柴春鹏杨煊赫李邵平姚艳青朱志国黄木华
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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