Graphene

Graphene slurry

Single layer graphene oxide aqueous slurry

1. Technical conditions and related content

1.1 Product Description

a) Name: Single layer graphene oxide aqueous slurry

b) Specifications: GO-1, 2, 3 (regular version); HoGO-1 、 3 (high oxidation); GO-D (0.1~0.8) (small size); GO3-PO (low defect)

c) Product appearance:

d) Microscopic morphology:

e) Explanation: (1) It contains abundant oxygen-containing functional groups such as carboxyl, hydroxyl, and epoxy groups, providing a good platform for chemical modification of graphene oxide and achieving surface property control; (2) Full single-layer quality, uniform dispersion, easy dissolution, processing, reduction, doping, more hydrophilic and wetting, with a larger specific surface area, easy to in-situ compound and graft modify with the substrate, endowing the composite material with properties such as reinforcement, far-infrared, UV resistance, corrosion resistance, bending resistance, flame retardancy, etc; (3) Liquid crystals can be formed at lower concentrations, and the overall quality reaches spinning grade. Wet spinning can be directly carried out without adding any additives to produce continuous graphene fibers; (4) High oxidation degree GO1 and GO3 can be prepared by increasing the oxygen content, or small-sized GO slurry can be prepared by reducing the lateral size to meet customers different requirements for oxidation degree and size.

f) The high graphene oxide produced by high graphene technology has the following eight characteristics and advantages:

Fully single-layer, the product is single-layer graphene oxide with a single-layer rate greater than 99%. It is the world''''s first and currently the only single-layer graphene oxide production enterprise to obtain certification from the International Graphene Product Certification Center (IGCC);

Large size, with adjustable lateral dimensions, capable of producing large-sized (average size>40 microns) graphene oxide. The size can be adjusted and the size distribution is narrow, making it suitable as a research reagent;

Ultra pure, with extremely low metal ion content, reaching electronic grade;

High solubility, high solubility in water and polar organic solvents (>10 mg/g), which can be directly spun into fiber, scraped into film or freeze-dried into aerogel;

Bright liquid crystal state can form liquid crystals at a low concentration of around 1 mg/g, and bright and colorful liquid crystal textures can be observed under a polarizing microscope;

Continuous spinnability, the overall quality of the slurry reaches spinning grade, and it can be directly wet spun without any additives to produce continuous fibers. The technology is an international original;

Excellent dispersibility, good dispersibility in composite materials, capable of in-situ polymerization to prepare multifunctional composite materials with minimal agglomeration and high cost-effectiveness;

Excellent powder redispersibility, providing two products: powder and slurry. The powder can be redispersed into a single-layer structure in water and polar organic solvents.

g) Instructions for use:

(1) Self assembly: GO slurry can be directly spun into high thermal conductivity pure fiber, scraped and coated into high thermal conductivity flexible film, and freeze-dried into ultra light elastic aerogel;

(2) Slurry additive: GO slurry can be uniformly dispersed in the base solution and prepared into composite materials through other reactions; GO slurry is dispersed in water-based coatings to enhance their anti-corrosion and other properties; Mixing GO slurry into concrete or cement can enhance its mechanical properties, durability, and conductivity for intelligent building and structural monitoring; Adding GO slurry to the preparation of rubber products (such as rubber seals, rubber tubes, etc.) can improve their conductivity, wear resistance, and aging resistance;

(3) Spray coating: Coating graphene oxide slurry on the surface of the substrate through spray coating technology to prepare conductive thin films, anti-corrosion coatings, etc;

(4) Composite reaction: reacting GO slurry with other compounds under certain conditions to prepare composite materials;

(5) 3D printing: By combining graphene oxide slurry with 3D printing technology, complex three-dimensional structures with conductive properties can be manufactured;

(6) Surface modification: Due to the abundant oxygen-containing functional groups on the surface of GO, it can be grafted and modified to obtain graphene grafted with different functional groups;

(7) Reduction: GO slurry can undergo chemical, hydrothermal reduction, etc. to obtain reduced graphene oxide slurry, thereby improving its conductivity and other properties;

(8) Substitution: GO slurry can be replaced by centrifugation to obtain slurry of other solvent phases, which is convenient for application in non-aqueous systems.

h) Purpose:

Composite materials (rubber, resin, plastic, fiber, cement, etc.) are used to improve their conductivity, thermal conductivity, strength, UV resistance, and other properties; Applied to supercapacitors and batteries to improve their capacity, cycling stability, etc; Graphene fibers and membranes are used to achieve high thermal conductivity, high electrical conductivity, and high flexibility; Nanofiltration membrane is used to achieve high throughput, high retention rate, etc; Aerogel to obtain low density, high porosity, high elasticity, etc; Water treatment, GO slurry can be used to remove harmful substances such as heavy metal ions and organic pollutants from water; Drug delivery, combining drug carriers with graphene oxide slurry, can be used for drug delivery and targeted therapy. GO can improve the stability and delivery efficiency of drugs; Anti corrosion coating, adding graphene oxide slurry to the coating can improve its corrosion resistance and protect metal surfaces from corrosion; In addition, it has applications in fields such as electromagnetic shielding, biological detection, catalyst loading, environmental governance, anti-corrosion lubrication, detection and sensing, health therapy devices, flexible touch screens, etc.

1.2 Technical indicators

2. Storage conditions

This product can be stored stably for more than one year under high concentration, dark and refrigerated conditions; It is recommended to store the product in the refrigerator compartment and not under freezing conditions; It should be stored separately from reducing agents and flammable materials, away from sources of fire, heat, etc.

3. Precautions

Operators should wear appropriate protective clothing and gloves during operation to avoid direct contact with the skin and entering the eyes,

Immediately rinse with plenty of water and send to the hospital; Deionized water DMF 、NMP 、 Ethylene glycol and DMAC are good solvents for single-layer graphene oxide, while tap water, ethanol, acetone, ethyl acetate, n-hexane, and other solvents are poor; This product does not contain any dispersing agents such as surfactants or polymers; It is not recommended to use ultrasound during the use of this product (ultrasound will reduce the size of graphene oxide flakes); Drying this product is quite difficult and prone to stacking; The sheet size provided by this product is the average value, and the size distribution has wide dispersion; Chemical reduction and thermal reduction can be used for this product. Reduction or strong alkali or salt will reduce the surface charge of graphene oxide, worsen its dispersion stability, and even produce gel; After opening the product, it should not be left open for a long time to prevent surface film formation and ingress Dust and water evaporation affect the solid content.

Single layer graphene oxide organic phase slurry

1. Technical conditions and related content

1.1 Product Description

a) Name: Single layer graphene oxide organic phase slurry

b) Specifications: GO-1, 2, 3 (regular version); HoGO-1 、 3 (high oxidation); GO-D (0.1~0.8) (small size); GO3-PO (low defect) - DMF, DMAC, NMP, EG

c) Product appearance:

d) Explanation: (1) Organic phase slurry is obtained by replacing aqueous phase slurry; (2) It contains abundant oxygen-containing functional groups such as carboxyl, hydroxyl, and epoxy groups, providing a good platform for chemical modification of graphene oxide and achieving surface property regulation; (3) Full single-layer quality, uniform dispersion, easy dissolution, processing, reduction, doping, more hydrophilic and wetting, with a larger specific surface area, easy to in-situ compound and graft modify with the substrate, endowing the composite material with properties such as reinforcement, far-infrared, UV resistance, corrosion resistance, bending resistance, flame retardancy, etc; (4) Liquid crystals can be formed at lower concentrations, and the overall quality reaches spinning grade. Continuous graphene fibers can be produced by wet spinning without adding any additives.

e) Instructions for use:

(1) Usage scenario: Used in non aqueous system environments;

(2) Slurry additive: Slurry can be uniformly dispersed in the base solution and prepared into composite materials through other reactions; The slurry is dispersed in non-aqueous coatings to enhance the anti-corrosion and other properties of the coating; Adding slurry to the preparation of rubber products (such as rubber seals, rubber pipes, etc.) can improve their conductivity, wear resistance, and aging resistance;

(3) Spray coating: Coating the slurry on the surface of the substrate through spray coating technology to prepare conductive thin films, anti-corrosion coatings, etc;

(4) Composite reaction: reacting the slurry with other compounds in an organic solvent system under certain conditions to prepare composite materials;

(9) Surface modification: Due to the abundant oxygen-containing functional groups on the surface of GO, it can be grafted and modified to obtain graphene grafted with different functional groups;

f) Purpose:

Material reinforcement: Adding organic phase slurry of graphene oxide to composite materials can improve their mechanical and electrical properties, making them suitable for manufacturing high-performance materials such as reinforced plastics, composite materials, and conductive composite materials. Coatings and coatings: This phase slurry can be added to coatings to prepare high-performance coatings with anti-corrosion, conductive, anti-static and other properties, suitable for fields such as aerospace, automotive industry and construction. Catalyst: Graphene oxide organic phase slurry can be used as a catalyst carrier to improve the speed and selectivity of chemical reactions. They have potential in fields such as water treatment, waste conversion, and environmental protection. Water treatment: can be used to remove harmful substances from water, such as heavy metal ions and organic pollutants. The high adsorption performance of GO makes it potentially applicable in the field of water purification. Anti corrosion coating: Adding graphene oxide slurry to the coating can improve its corrosion resistance and protect the metal surface from corrosion. Nanocomposite materials: By mixing GO slurry with other nanomaterials such as nanoparticles and nanotubes, composite materials with excellent properties can be prepared for various applications, including reinforcement materials and biomedical materials.

1.2 Technical Indicators

2. Storage conditions

This product can be stored stably for more than one year under high concentration, dark and refrigerated conditions; It is recommended to store the product in the refrigerator compartment and not under freezing conditions; It should be stored separately from reducing agents and flammable materials, away from sources of fire, heat, etc.

3. Precautions

Operators should wear appropriate protective clothing, gloves, and gas masks to avoid direct contact with the skin during operation,

If it enters the eyes, it should be immediately rinsed with plenty of water and sent to the hospital; Deionized water DMF 、NMP 、 Ethylene glycol and DMAC are good solvents for single-layer graphene oxide, while tap water, ethanol, acetone, ethyl acetate, n-hexane, and other solvents are poor; This product does not contain any dispersing agents such as surfactants or polymers; It is not recommended to use ultrasound during the use of this product (ultrasound will reduce the size of graphene oxide flakes); Drying this product is quite difficult and prone to stacking; The sheet size provided by this product is the average value, and the size distribution has wide dispersion; Chemical reduction and thermal reduction can be used for this product. Reduction or strong alkali or salt will reduce the surface charge of graphene oxide, worsen its dispersion stability, and even produce gel; After opening the product, it should not be left open for a long time to prevent surface film formation, dust entry, and moisture evaporation from affecting the solid content.

Graphene oxide slurry

1. Technical conditions and related content

1.1 Product Description

a) Name: Graphene Oxide Slurry

b) Specification: GO-S

c) Product appearance: Yellowish brown paste

d) Explanation: Graphene oxide slurry is a few layer graphene oxide slurry made by oxidizing and peeling graphite, with good dispersibility and excellent film-forming properties.

e) Instructions for use: This product is an oxidized graphene water-based slurry that has been peeled off by oxidation. There may be a certain viscosity change after prolonged storage. Stir evenly before use.

f) Purpose:

(1) Thermal and heat dissipation materials: Water based graphene oxide slurry has excellent film-forming properties and can be used to prepare thermal conductive films, thermal conductive components, etc. It is widely used in fields such as heat dissipation and thermal conductivity;

(2) Functional materials: Water based graphene oxide slurry can be mixed with other materials to prepare composite materials with antibacterial, wear-resistant and other functions; In addition, it can also be applied in other fields such as nanocomposites, electronic devices, sensors, etc.

1.2 Technical indicators

2. Precautions

Operators should wear appropriate protective clothing and gloves during operation to avoid direct contact with the skin and eyes. They should immediately rinse with plenty of water and be taken to the hospital.

3. Storage

It is recommended to store the product in a dark, ventilated environment at 4-25 ℃, with a shelf life of 6 months. Please use it within the shelf life. It is recommended to store the product in the refrigerator compartment and not under freezing conditions; It should be stored separately from reducing agents and flammable materials, away from sources of fire, heat, etc.

Water based electric graphene slurry (raw material)

1. Technical conditions and related content

1.1 Product Description

a) Name: Water based electric heating graphene slurry

b) Specifications: WETG-4050, GX-0310

c) Product appearance:

d) Explanation: Water based electric heating graphene slurry is a water-based slurry obtained by mechanically peeling graphene from graphite, and then compounding it with surfactants such as dispersants. It has excellent conductivity and chemical stability.

e) Instructions for use: This product is an aqueous slurry of exfoliated graphene, which will settle after prolonged storage. Therefore, it is necessary to stir in advance to ensure that the graphene can be evenly dispersed, and then adjust the formula accordingly.

f) Purpose:

Electric heating materials: Water based electric heating graphene slurry has excellent electric heating properties and can be used to prepare electric heating films, electric heating wires, etc. It is widely used in heating, drying and other fields; Electronics industry: Water based electric graphene slurry can be used to prepare conductive films, conductive inks, flexible electronic devices, etc; Functional materials: Water based electric graphene slurry can be mixed with other materials to prepare composite materials with functions such as conductivity, anti-static, corrosion resistance, and wear resistance; In addition, it can also be applied in other fields such as nanocomposites, electronic devices, sensors, etc.

1.2 Technical indicators

2. Storage

This product is recommended to be stored indoors in a cool and shaded environment, avoiding direct sunlight exposure; The warranty period is six months, and there may be some sedimentation after long-term storage. After stirring, it can be used normally.

3. Precautions

Operators should wear appropriate protective clothing and gloves during operation to avoid direct contact with the skin and eyes. They should immediately rinse with plenty of water and be taken to the hospital.

Conductive graphene organic phase slurry (raw material)

1. Technical conditions and related content

1.1 Product Description

a) Name: Conductive Graphene Slurry (Solvent based)

b) Specification: DM-10

c) Product Appearance: Black Slurry

d) Explanation: Our company''''''''''''''''''''''''''''''''s graphene slurry is made by dispersing high-quality graphene powder produced by Gaoene Technology in DMAC (dimethylacetamide) solvent and refining it through dispersion, grinding and other processes. The number of graphene layers is less than 10, the structure is complete, and there are few defects. The graphene slurry produced has excellent conductivity, thermal conductivity and other properties, and has good compatibility with various systems.

e) Instructions for use: This product can be compounded with other materials and stirred evenly. There may be some settling after prolonged use. Stir evenly before use.

f) Purpose:

Conductivity related: Graphene has excellent conductivity and can be applied to various scenarios that require conductivity. By adjusting the amount of graphene slurry added, different conductivity properties can be obtained to meet the needs of customers in different application fields such as conductive ink, electric heating film, anti-static coating, anti-static additive, etc. Composite materials: Adding graphene slurry to polymer based composite materials can improve their related properties. It has applications in the automotive manufacturing, aerospace, and construction industries. Coating related: Can be used in coatings and applied to the surface of substrates to achieve anti-static, antibacterial and other properties.

1.2 Technical indicators

2. Precautions

Operators should wear appropriate protective clothing and gloves during operation to avoid direct contact with the skin and eyes. They should immediately rinse with plenty of water and be taken to the hospital.

3. Storage

It is recommended to store the product in a dark, ventilated environment at 4-25 ℃, with a shelf life of 6 months. Please use it within the shelf life. It is recommended to store the product in the refrigerator compartment and not under freezing conditions; It should be stored separately from reducing agents and flammable materials, away from sources of fire, heat, etc.

Water based graphene conductive heating paste (film-forming type)

1. Technical conditions and related content

1.1 Product Description

a) Name: Graphene Composite Slurry

b) Specifications: WETG-80, WETG-140, WETG-350

c) Product Appearance: Black Slurry

d) Explanation: Our water-based graphene conductive heating slurry can be directly scraped and coated into a film, with fewer layers of graphene

10 layers, complete structure, few defects, the graphene composite slurry made has excellent conductivity and adjustable resistance value.

e) Instructions for use: After stirring evenly before use, this product can be used in various ways such as coating, scraping, spraying, etc.

f) Purpose:

Electric heating film: It has excellent conductivity and can be applied to various scenarios that require conductivity. By adjusting the amount of graphene slurry added, different conductivity properties can be obtained to meet the needs of customers in different application fields such as electric heating film and anti-static coating. Surface coating: Coating graphene composite slurry on the surface of the substrate can improve the conductivity of the composite material.

1.2 Technical indicators