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Environment-friendly flame-retardant ternary composite material POSS/GO/ZIF-8 and preparation method thereof

A technology of ZIF-8 and composite materials, which is applied in the field of environmentally friendly flame-retardant ternary composite materials POSS/GO/ZIF-8 and its preparation, to achieve the effect of simple process and high feasibility

Inactive Publication Date: 2021-02-09
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a single metal-organic framework material as a flame retardant cannot meet people's needs. Therefore, it is imperative to prepare a high flame-retardant composite material.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Dissolve 1.5 parts by mass of zinc nitrate in 8 parts by mass of deionized water, stir magnetically for 10 minutes, then add 0.3 parts by mass of POSS / GO binary composite material, stir and sonicate for 30 minutes to obtain solution A; 28.7 parts by mass of 2-methylimidazole are dissolved In 80 parts by mass of deionized water, magnetically stirred for 10 minutes to obtain solution B; pour solution B into solution A and stir for 120 minutes; centrifuge at 10,000 r / min for 10 minutes, wash with deionized water several times, and dry at 65°C to obtain POSS / GO / ZIF-8 ternary composite material.

[0022] Wherein, the preparation method of POSS / GO binary composite material:

[0023] Take 38 parts by mass of POSS and ultrasonically disperse them in 60 mL of tetrahydrofuran, and take 60 parts by mass of GO and ultrasonically disperse them in 60 mL of tetrahydrofuran; mix the two solutions evenly, and put them in a water bath at 65°C for 15 hours in a nitrogen atmosphere, and e...

Embodiment 2

[0025] Dissolve 2.3 parts by mass of zinc nitrate in 8 parts by mass of deionized water, stir magnetically for 10 minutes, then add 0.5 parts by mass of POSS / GO binary composite material, stir and sonicate for 30 minutes to obtain solution A; 43.0 parts by mass of 2-methylimidazole is dissolved In 80 parts by mass of deionized water, magnetically stirred for 10 minutes to obtain solution B; pour solution B into solution A and stir for 120 minutes; centrifuge at 10,000 r / min for 10 minutes, wash with deionized water several times, and dry at 65°C to obtain POSS / GO / ZIF-8 ternary composite material.

[0026] Wherein, the preparation method of the POSS / GO binary composite material is the same as that in Example 1.

Embodiment 3

[0028] Dissolve 3.0 parts by mass of zinc nitrate in 8 parts by mass of deionized water, stir magnetically for 10 minutes, then add 0.6 parts by mass of POSS / GO binary composite material, stir and sonicate for 30 minutes to obtain solution A; 57.4 parts by mass of 2-methylimidazole are dissolved In 80 parts by mass of deionized water, magnetically stirred for 10 minutes to obtain solution B; pour solution B into solution A and stir for 120 minutes; centrifuge at 10,000 r / min for 10 minutes, wash with deionized water several times, and dry at 65°C to obtain POSS / GO / ZIF-8 ternary composite material.

[0029] Wherein, the preparation method of the POSS / GO binary composite material is the same as that in Example 1.

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Abstract

The invention relates to an environment-friendly flame-retardant ternary composite material POSS / GO / ZIF-8 and a preparation method thereof. With the rapid development of the China and the increasinglyenhanced environmental protection, safety and health consciousness, the flame retardant property and environmental protection property of existing flame retardant materials cannot meet the requirements of people. According to the invention, graphene oxide (GO), polyhedral oligomeric silsesquioxane (POSS) and a zeolite imidazole framework material (ZIF-8) are compounded so as to prepare the ternary composite material. Compared with a single-component flame retardant and a binary composite flame retardant, the flame retardant property of the ternary composite material is improved, and meanwhile, the environmental protection requirement is met; and ultrasonic waves are used for dispersion in the preparation process of the ternary composite material, so it is guaranteed that dispersion liquidis stable, uniform and free of agglomeration, the process is simple, and feasibility is high.

Description

technical field [0001] The invention relates to the technical field of design and preparation of a flame retardant, in particular to an environmentally friendly flame-retardant ternary composite material POSS / GO / ZIF-8 and a preparation method thereof. Background technique [0002] With the rapid development of the country, the increasing awareness of environmental protection, safety and health, and the instillation of the concept of fire prevention, people have higher and higher requirements for the flame retardant performance and environmental protection performance of flame retardant materials. [0003] Metal organic framework material is a new type of organic-inorganic hybrid material, which can be used as an environmentally friendly flame retardant in epoxy resin, polycarbonate, polyurethane and other flame retardant fields [Xu W, Wang G, Xu J, et al.Modification of diatomite with melamine coated zeolitic imidazolate framework-8as effective flame retardant to enhance fla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/08C08L87/00C08K3/04C08G83/00
CPCC08L83/08C08L87/00C08G83/008C08L2201/02C08K3/042
Inventor 吕斌刘慧慧高党鸽
Owner SHAANXI UNIV OF SCI & TECH
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