Multifunctional graphene/high-molecular composite material water permeable membrane, preparation method, and application thereof

A technology of composite materials and high molecular polymers, applied in the field of multifunctional graphene/polymer composite material permeable membranes and its preparation, to achieve the effects of improved acid and alkali resistance, antibacterial and anti-pollution capabilities, and good mechanical strength

Inactive Publication Date: 2017-03-15
中山市创思泰新材料科技股份有限公司
View PDF5 Cites 35 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to overcome the deficiencies in the current water treatment technology that meet the requirements of water permeability in the anti-pollution and antibacterial capabilities, the performance of the mechanical strength needs to be improved, the present invention has developed a new type of water-permeable membrane material.

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
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Multifunctional graphene/high-molecular composite material water permeable membrane, preparation method, and application thereof
  • Multifunctional graphene/high-molecular composite material water permeable membrane, preparation method, and application thereof
  • Multifunctional graphene/high-molecular composite material water permeable membrane, preparation method, and application thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0050] According to another aspect of the present invention, the present invention provides the preparation method of above-mentioned multifunctional graphene / polymer composite water-permeable membrane, and it comprises the steps:

[0051] A) Under constant temperature conditions selected from the range of 10-100°C, the moisture-permeable high molecular polymer is dissolved in various organic solvents in a predetermined time and order to form a solution, and fully stirred to mix evenly;

[0052] B) adding graphene or graphene composite material to the solution obtained in the previous step, fully stirring to mix uniformly; and

[0053] C) Film formation process: The solution obtained in step B) is applied to one or both surfaces of the microporous substrate at a temperature in the range of 10-200°C.

[0054] According to a specific technical solution of the present invention, the preparation method of the multifunctional graphene / polymer composite water-permeable membrane furt...

Embodiment 1

[0084] Firstly, under the constant temperature condition of 45-50°C, the pre-selected moisture-conducting polymer (KX-1) is dissolved in the corresponding organic solvent mixture, and fully stirred until the mixture is uniform.

[0085] Then, add the pre-selected antioxidant (d1) to the obtained solution, and stir well until the mixture is uniform.

[0086] Then, add graphene oxide / silver / titanium dioxide composite material (GC-1) to the solution obtained in the previous step, and stir well to mix evenly.

[0087] Finally, a film is formed at a temperature of 60°C, and the solution obtained in the previous step is applied to the surface of the preselected microporous substrate (c1), and cross-linked after the film forming process, and the microporous substrate (c1) Forms a continuous coating of cross-linked water-permeable polymer. A uniform film material with a thickness of 150 μm was formed.

[0088] After testing, the obtained membrane material has good water permeability...

Embodiment 2

[0090] First, under the constant temperature condition of 50°C, the moisture-conducting high molecular polymer (PM-3) was dissolved in the corresponding organic solvent mixture, fully stirred until completely dissolved, then mixed, and continued to stir until uniformly mixed.

[0091] Then, add the pre-selected antioxidant (d3) to the obtained solution, and stir well until the mixture is uniform.

[0092] Then, add graphene oxide / silver / titanium dioxide composite material (GC-2) to the solution obtained in the previous step, and stir well to mix evenly.

[0093] Finally, a film is formed at a temperature of 70°C, and the solution obtained in the previous step is applied to both sides of the microporous substrate (c2), and cross-linked after the film forming process to form a continuous film with the microporous substrate (c2). A coating of cross-linked water-permeable polymers. A uniform film material with a thickness of 120 μm was formed.

[0094] After testing, the obtaine...

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
Login to view more

PUM

PropertyMeasurementUnit
pore sizeaaaaaaaaaa
thicknessaaaaaaaaaa
thermal resistanceaaaaaaaaaa
Login to view more

Abstract

The invention relates to a multifunctional graphene/high-molecular composite material water permeable membrane, a preparation method, and an application thereof. A high-molecular moisture-conductive polymer and a graphene-based composite material are organically bonded in a manner of forming effective chemical bonds, such as a hydrogen bond, an ionic bond, a covalent bond and the like, through polar functional groups, thereby forming a water permeation channel with reinforced hydrophilic-hydrophobic groups on the basis of the moisture-conductive polymer, and meanwhile, significantly improving the mechanical strength, anti-friction strength and acid- and alkali-resistant property, anti-bacterial and anti-fouling capabilities, heat conductivity and heat resistance and the like characters. The multifunctional composite water permeable membrane has long service life, is free of replacement during operation and has self-cleaning capability, and can be applied in the field of whole-heat exchanger, humidity conditioner, sewage treatment and other fields requiring water permeation or water filtration.

Description

technical field [0001] The invention belongs to the field of preparation of polymer composite materials, and in particular relates to a multifunctional graphene / polymer composite material water-permeable membrane and its preparation method and application. Background technique [0002] In recent years, with the continuous deepening of membrane separation technology research and the continuous expansion of the application market, membrane separation technology has become an important force in the water treatment industry. Among membrane materials, polymer materials have incomparable advantages. There are many types of polymers that constitute polymer water treatment membranes. For example, various polymer materials such as polysulfide (PS), polyvinylidene fluoride (PVDF), polyethylene (PE), cellulose acetate (CA) and polyacrylonitrile (PAN) are used as separation membranes. It is used as a polymer water treatment membrane. In terms of the form of membrane material, it can ...

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
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): B01D71/26B01D71/28B01D71/48B01D71/50B01D71/40B01D71/56B01D71/58B01D71/66B01D71/06B01D71/52B01D69/12B01D67/00C02F1/44
Inventor 郭剑锋韩霜张艺纯
Owner 中山市创思泰新材料科技股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap