Graphene modified glue solution and preparation method and application thereof

A graphene modification, graphene technology, applied in adhesives, textiles and papermaking, adhesive types, etc., can solve the problems of short sustainability, difficult industrialization implementation, deterioration of production environment, etc., to improve adhesion performance, preparation The method is simple and reliable, and the effect of improving the thermal conductivity

Inactive Publication Date: 2016-12-07
JIANGSU JIUJIUJIU TECH
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  • Abstract
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Problems solved by technology

[0003] Some R&D personnel start from the adhesive system and add a certain amount of co-solvent to the water-based adhesive system to improve the adhesion effect. However, since the co-solvent is generally an organic solvent, it not only deteriorates the production environment, but also the trace residue in the product is harmful to the human body. Harmful, preferably with zero organic solvent content in the system
There are also researchers who use radiation or low-temperature plasma treatment to change the inertness of the fiber surface and improve its adhesion with the adhesive. However, the effect of this treatment is limited, uneven, and the duration is short. Immediately carry out the glue coating process, which is difficult to implement industrially

Method used

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  • Graphene modified glue solution and preparation method and application thereof

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Embodiment 1

[0019] Prepare modified glue

[0020] 400g of commercially available AT-06 water-based polyurethane adhesive with a solid content of 45% was used as the base material to prepare the modified glue. Firstly, 0.8 g of graphene powder and 8 g of polyvinylpyrrolidone were put into 160 g of deionized water, stirred at high speed for 60 min, and the stirring speed was 1000 rpm. Put the water-based polyurethane adhesive base material on the stirring device for slow stirring, the stirring speed is 40rpm. Gradually add the dispersed graphene aqueous dispersion into the adhesive base material being stirred, and continue stirring for 60 minutes after the addition is complete. Then put the uniformly stirred mixed solution together with the container into a 3kw ultrasonic generator, ultrasonically vibrate for 60 minutes, take it out and let it stand for 48 hours. Finally, the sediment at the bottom of the container is filtered off, and the evenly mixed emulsion in the upper part is retain...

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Abstract

The invention discloses a graphene modified glue solution and a preparation method and application thereof. The graphene modified glue solution is mainly prepared from a waterborne polyurethane adhesive, graphene and a dispersant. The graphene accounts for 0.1%-0.25% of the weight of the waterborne polyurethane adhesive, the dispersant accounts for 1%-2.5% of the weight of the adhesive, and the solid content of the waterborne polyurethane adhesive ranges from 30% to 50%. The modified water-based adhesive can effectively improve bonding performance and heat conduction performance; the preparation method is easy and convenient to carry out and reliable.

Description

technical field [0001] The invention relates to a graphene modified glue solution, a preparation method and application thereof. Background technique [0002] In the process of using ultra-high molecular weight polyethylene fibers to produce non-woven fabrics, water-based polyurethane adhesives are used. Based on the characteristics of ultra-high molecular weight polyethylene, the bonding force between the fiber surface and the adhesive is poor, and the thermal conductivity of polyurethane adhesives The performance is poor, and the thermal conductivity is only about 0.25. When the bulletproof products made of ultra-high molecular weight polyethylene non-weft fabric are tested, the poor bonding force between the fiber and the adhesive leads to the peeling of the fiber and the glue, which leads to the deterioration of its impact resistance; the poor thermal conductivity of the glue leads to the formation of bullet impact. A large amount of heat is transferred slowly from the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J175/04C09J11/04C09J11/08D04H1/587D04H3/12D04H5/04
CPCC09J175/04C08K2201/003C09J11/04C09J11/08D04H1/587D04H3/12D04H5/04C08L39/06C08K3/04
Inventor 周新基牛艳丰蔡卫
Owner JIANGSU JIUJIUJIU TECH
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