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Preparation method of composite yarn containing metal organic skeleton nanometer fibers

A metal-organic framework and nanofiber technology, applied in the field of fiber materials, can solve problems such as poor performance controllability, difficulty in large-scale production, and complex processes, and achieve a large number of active sites, mass production of process operations, and large specific surface area. Effect

Active Publication Date: 2019-02-26
扬州云彩新材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is complex in process, low in efficiency, poor in performance controllability, and difficult to scale production

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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  • Preparation method of composite yarn containing metal organic skeleton nanometer fibers
  • Preparation method of composite yarn containing metal organic skeleton nanometer fibers
  • Preparation method of composite yarn containing metal organic skeleton nanometer fibers

Examples

Experimental program
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Effect test

Embodiment 1

[0040] Configure 0.01mol / L europium nitrate hexahydrate (Eu(NO 3 ) 3 ·6H 2 (2) solution, wherein solvent is the mixed solvent of ethanol and water that volume ratio is 1:1, configures the trimesic acid (BTC) solution of 0.01mol / L, and wherein solvent is the ethanol and water that volume ratio is 1:1 Mixing solvents, mixing the europium nitrate hexahydrate solution and the trimesic acid solution at a volume ratio of 1:1, and uniformly shaking the mixed solution in a water-bath shaker at 20°C for 12 hours to prepare metal-organic framework nanofibers, the The fibers were washed with deionized water, filtered with suction, and dried to obtain a white solid powder. Then place the white solid powder in a mixed solvent of ethanol and water with a volume ratio of 3:2, and stir thoroughly to obtain a metal-organic framework nanofiber suspension. The metal-organic framework nanofiber suspension was placed in image 3 In the immersion tank 41 of the shown line finishing device 4, comb...

Embodiment 2

[0044] Configure 0.01mol / L gadolinium nitrate hexahydrate (Ga(NO 3 ) 3 ·6H 2 (0) solution, wherein the solvent is a mixed solvent of methanol and water with a volume ratio of 1:1, configure 0.01mol / L of 1,3,5-three (4-carboxyphenyl) (BTBC) benzene solution, wherein the solvent is A mixed solvent of methanol and water with a volume ratio of 2:1, the gadolinium nitrate pentahydrate solution and 1,3,5-tri(4-carboxyphenyl)benzene solution are mixed according to a volume ratio of 2:1, mixed Ga(BTBC)MOFs nanofibers were prepared by shaking the solution uniformly in a water-bath shaker at 20°C for 12 hours, and the fibers were washed with deionized water, filtered with suction, and dried to obtain a white solid powder. Then the white solid powder was placed in a mixed solvent of methanol and water with a volume ratio of 3:2, and stirred thoroughly to obtain a suspension of Ga(BTBC)MOFs nanofibers.

[0045] In the wet spinning process, the hemp fiber roving was filled with the Ga(B...

Embodiment 3

[0047] Configure 0.01mol / L copper nitrate pentahydrate (CuSO 4 ·5H 2 (2) solution, wherein the solvent is a mixed solvent of methanol and water with a volume ratio of 1:1, the nitrilotriacetic acid (NTA) solution of configuration 0.01mol / L, wherein the solvent is a mixture of methanol and water with a volume ratio of 2:1 Mix the solvent, mix the copper nitrate solution and the nitrilotriacetic acid solution according to the volume ratio of 3:1, and shake the mixed solution uniformly in a water-bath shaker at 20°C for 12 hours to prepare metal-organic framework nanofibers, and use the fibers Wash with deionized water, suction filter, and dry to obtain a white solid powder. Then the white solid powder was placed in a mixed solvent of methanol and water with a volume ratio of 3:2, and stirred thoroughly to obtain a suspension of Cu(NTA)MOFs nanofibers.

[0048] In the wet spinning process, the polyamide fiber roving was filled with the Cu(NTA)MOFs nanofiber suspension in the ...

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Abstract

The invention discloses a preparation method of a composite yarn containing metal organic skeleton nanometer fibers and belongs to the technical field of fiber materials. The preparation method comprises the following steps: taking metal salt and mixing with an organic ligand to prepare the metal organic skeleton nanometer fibers; taking the metal organic skeleton nanometer fibers, preparing to obtain suspension liquid, placing coarse yarns in the suspension liquid and preparing the composite yarn containing the metal organic skeleton nanometer fibers through impregnation, twisting and compound treatment. The composite yarn has the characteristics that the specific surface area of a metal-organic framework nanometer fiber material is large, and active sites are more, and can be used for preparing a fabric with functions of moisture and sweat conduction, detoxification, antibiosis and fluorescence sensing.

Description

technical field [0001] The invention relates to nanofiber yarns, and belongs to the technical field of fiber materials, in particular to a method for preparing composite yarns containing metal-organic framework nanofibers. Background technique [0002] In textile science, yarn is an aggregate of fibers with different twists and bundles, which can give full play to the performance characteristics of various textile fibers, and it is also the basic structural unit for textiles. Therefore, improving the performance of fiber yarn is of great significance to the diversification of textiles and the improvement of added value. [0003] Yarns with different functions can be obtained by post-finishing and blending methods. Among them, blending has the characteristics of green process, diverse processes, and has become the most important method to obtain functional yarns. Fibers with different properties and structural characteristics can be blended yarns through carding, twisting a...

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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IPC IPC(8): D06M15/37C08G83/00
CPCC08G83/008D06M15/37
Inventor 刘轲王栋刘迎沈小林李沐芳刘琼珍王雯雯鲁振坦蒋海青
Owner 扬州云彩新材料科技有限公司
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