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Method for preparing wood/MOF functional composite material

A technology of functional composite materials and wood, which is applied in the field of preparation of wood/MOF functional composite materials, can solve the problems of difficult processing, difficult recycling of single MOF materials, poor operability, etc., and achieve excellent economic benefits, important economic and environmental benefits, and low cost Effect

Inactive Publication Date: 2021-07-30
SOUTHWEST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the shortcomings of the prior art described above, the object of the present invention is to provide a method for preparing wood / MOF functional composites, which is used to solve the problems of difficult recycling, difficult processing and poor operability of existing single MOF materials

Method used

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  • Method for preparing wood/MOF functional composite material
  • Method for preparing wood/MOF functional composite material
  • Method for preparing wood/MOF functional composite material

Examples

Experimental program
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Effect test

Embodiment 2

[0027] Example 2: Put balsa wood in a drying oven at 90°C for 24 hours and then cool to room temperature. Add 0.2491g of terephthalic acid and 0.3495g of zirconium chloride to 30mL of N,N-dimethylformamide, and then add 2.68 mL of glacial acetic acid, stirred for 10 minutes to obtain the precursor solution of MOF material, transferred the dried wood and precursor solution into a polytetrafluoroethylene hydrothermal reaction kettle, kept it in an oven at 120°C for 24 hours, and used methanol and N,N - The dimethylformamide solution was washed repeatedly, and then dried in a vacuum oven at 80° C. to obtain a balsa wood / MOF functional composite material.

Embodiment 3

[0028] Example 3: Put poplar wood in a drying oven for 105°C heat treatment for 12 hours, then cool to room temperature, add 0.2491g of terephthalic acid and 0.466g of zirconium chloride to 30mL of N,N-dimethylformamide, then add 2.68mL of ice Acetic acid, stirred for 10 minutes to obtain the precursor solution of MOF material, transferred the dried wood and precursor solution into a polytetrafluoroethylene hydrothermal reaction kettle, kept it in an oven at 120°C for 36 hours, and used methanol and N,N-di The methylformamide solution was washed repeatedly, and then dried in a vacuum oven at 100°C to obtain a poplar / MOF functional composite.

Embodiment 4

[0029] Example 4: Put the pine wood in a drying oven at 85°C for 24 hours and then cool it to room temperature. Add 0.2491g terephthalic acid and 0.5826g zirconium chloride to 30mL N,N-dimethylformamide, then add 2.68mL Glacial acetic acid, stirred for 10 minutes to obtain the precursor solution of MOF material, transferred the dried wood and precursor solution into a polytetrafluoroethylene hydrothermal reaction kettle, kept it in an oven at 120°C for 48 hours, and used methanol and N,N- The dimethylformamide solution was washed repeatedly, and then dried in a vacuum oven at 103°C to obtain a pine wood / MOF functional composite.

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Abstract

The invention provides a method for preparing a wood / MOF (Metal Organic Framework) functional composite material, which comprises the following steps: adding a precursor solution for synthesizing an MOF material into wood, and carrying out hydrothermal reaction or a physical filling method to prepare the wood / MOF functional composite material. The nano MOF particles are grown in situ or filling wood pores with the nano MOF particles to obtain the wood / MOF functional composite material. The method is easy to operate and low in cost. The defects that powder nano MOF is not easy to recycle and poor in machinability and operability are overcome, and the wood / MOF functional composite material has wide application prospects in the fields of flame retardance, adsorption, catalysis and the like. According to the preparation method, the organic ligand, the metal salt solution and the wood are taken as main raw materials, the synthesized MOF uniformly grows on the wood through a one-step hydrothermal reaction or a physical filling method, the effective load of the MOF active component on the wood can be realized, and the prepared wood / MOF functional composite material has excellent performances of catalysis, flame retardance, adsorption and the like. The raw materials are wide in source, and the preparation method is simple.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a method for preparing wood / MOF functional composite materials. Background technique [0002] MOF is an inorganic-organic hybrid porous, highly crystalline, and ordered crystalline material self-assembled by metal clusters or metal ions and multi-dentate (pore) ligands. It has a large specific surface area, abundant active sites, regular accessible pores, and multifunctional structure, and is widely used in adsorption, flame retardancy, and catalysis. However, due to the crystalline nature of MOFs, they usually exist in the form of powders, and their processability and manipulability are a great challenge, resulting in the inability to fully exploit the functional properties of MOF materials. Based on this, it is of great significance to seek to immobilize MOFs on supports to construct new functional composite materials. Wood has sufficient porosity, excellent mecha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/02B27K3/52B27K3/00B27K3/34B27K3/38B27K3/42B27K5/00B27K5/04B01J20/22B01J20/30
CPCB27K3/02B27K3/52B27K3/005B27K3/343B27K3/38B27K3/42B27K5/001B27K5/04B01J20/226B27K2240/30
Inventor 朱刚李辉邓书端康昆勇强明礼张朝岭李顺艳
Owner SOUTHWEST FORESTRY UNIVERSITY
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