SKU: 31129819211

Carboxylic Double walled carbon nanotubes

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Description

Carboxylic Double walled carbon nanotubesProduct Name NameCarboxylic Double walled carbon nanotubes Product Overview Double walled carbon nanotubes (DWNTs) can be seen as a nano tube structure composed of two coaxial graphite sheets coiled together, with a layer spacing of about 0. 34nm, a diameter generally between 2 4nm, and a length of several micrometers. Performance characteristics: It has good mechanical properties, such as high strength and high modulus; Has good electrical

Product Name

Name:Carboxylic Double walled carbon nanotubes


Product Overview

Double walled carbon nanotubes (DWNTs) can be seen as a nano tube structure composed of two coaxial graphite sheets coiled together, with a layer spacing of about 0.34nm, a diameter generally between 2-4nm, and a length of several micrometers.

Performance characteristics: It has good mechanical properties, such as high strength and high modulus; Has good electrical properties, such as high conductivity and semiconductor characteristics; Has high thermal conductivity; Has a large specific surface area.

Application areas: It has potential applications in composite materials, electronic devices, energy storage and conversion, sensors, and other fields. For example, it can be used to enhance the mechanical and electrical properties of composite materials; Can be used in electronic devices to manufacture transistors, sensors, etc; In the energy field, it can be used for supercapacitors, lithium-ion batteries, etc.


Technical Parameter

OD:-4 nm

Purity:gt;60%

Length:.5-2 um

-COOH Content:.58wt%

SSA:gt;350m2/g

Tap density:.25g/cm3

True density:~2.1 g/cm3

EC:gt;100 s/cm


 

Product Features

Excellent mechanical properties: with extremely high strength and toughness. For example, its theoretical strength can reach tens or even hundreds of times that of steel.

Excellent electrical performance: can exhibit good conductivity, depending on aspect ratio, structure, and preparation method.

Good thermal performance: high thermal conductivity, capable of effectively transferring heat.

Large specific surface area: This makes it potentially applicable in fields such as adsorption and catalysis.


Application Fields

1. Composite material reinforcement: Multi walled carbon nanotubes have high strength and toughness. Adding them to matrices such as plastics, rubber, and metals can significantly improve the mechanical properties of the material, such as strength and stiffness. For example, grafting carbon nanotubes onto the surface of carbon fibers to obtain a multi-level structure can enhance the interfacial interaction with organic matrices and the mechanical properties of composite materials.

2. Electronic devices: Although their conductivity is not as single and excellent as single-walled carbon nanotubes, they still have good conductivity and can be used to manufacture high-performance conductive inks, sensors, flexible displays, and other electronic devices.

3. Electrode materials: Can be used as electrode materials for lithium-ion batteries and supercapacitors to improve energy storage and power output capabilities.

4. Catalysts and catalyst carriers: They can serve as catalysts themselves. It can also serve as a catalyst carrier, providing more active sites for catalytic reactions and enhancing catalytic performance due to its large specific surface area and unique structure. For example, acidified multi walled carbon nanotubes can be used as carriers to load composite inorganic salts, resulting in solid acid catalysts with superior catalytic effects than single component iron sulfate.

5. Energy field: In addition to the applications mentioned earlier in batteries, it can also be applied to hydrogen storage materials. The unique hollow structure and nanometer diameter of carbon nanotubes provide favorable conditions for hydrogen storage.

6. Absorbing materials: They have a certain ability to absorb electromagnetic waves and can be used to prepare absorbing materials. They have potential applications in military stealth, electromagnetic shielding, and other fields.

7. In the field of biomedicine: Its unique hollow structure and nanometer diameter can provide space for accommodating drugs, achieve high drug loading, and can pass through cell membranes and various biological barriers to deliver drugs to the inside of cells. In addition, it can effectively reduce the release rate of drugs and improve the sustained release effect.

8. Research field: commonly used in various scientific studies to help researchers explore the properties and potential applications of nanomaterials.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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SKU: 31129819211

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4.5 ★★★★★
Based on 11 reviews
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Product Reviews
P
PK
Grantham, US
★★★★★ 4
Works, but more desired features wanted
Works well. Love the “shake” feature compared to the last one I had. It actually moves the formula inside of it by spinning the bottle, and to keep it would make the formula heat up faster. Instructions leave a little to be desired for. Not super clear but you can figure it out. However I can’t seem to get it to state how much time is remaining, which could be frustrating with a screaming baby in your arms.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2025
T
Verified Purchase
Tom Cooper
Charlottesville, US
★★★★★ 3
Nice but takes time to heat up bottle.
Color: White
Takes a long time to heat bottles.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026
R
Verified Purchase
RotaVirus
Phoenix, US
★★★★★ 2
Wrong description listed. Not battery powered.
Be careful if you think this is powered by a rechargeable battery as the description indicates. I needed a battery operated bottle warmer. It's actually corded, so they have the wrong description. Now I get to fill out another return and waste gas driving to return facility.
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Reviewed in the United States on May 24, 2025
M
melissa
Port Orchard, US
★★★★★ 5
Works great!
This bottle warmer is excellent! I’ve tried a few and none of them seem to heat the milk at all. I tested this one using a wide mouth bottle filled with 2oz of water. I followed the directions for using a plastic bottle and selected the correct options and added the water. I then turned it on and watched it go. It isn’t loud while operating, but the nightlight is very small and hard to see. Not a big deal to me because I have small lights in my kitchen that I can turn on at night if I need to use this in the middle of the night. The settings on the machine are a little different than when you select options on the machine. It says for a plastic bottle with 2oz on quick is 2:30, but the time was automatic 3:30. I think you have to manually adjust the time according to what the manual suggests. It’s very neat that it spins around gently to ensure the bottle heats evenly. When I took the bottle out it wasn’t so hot that I couldn’t grab it, but I could tell it warmed it well. I obviously had the time too long because I didn’t realize until after that I needed to manually adjust it, but this was just a test run. The water was nice and hot, so I think it would have been perfectly warmed if I had only done 2:30 as recommended. My only issue is typically bottle warmers can also warm baby food, but there is no instruction or anything on how to heat it or how long. I might play around with it and give it a try when I’m ready to make baby food, but for now it’s excellent at heating bottles!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2025
Z
Birmingham, US
★★★★★ 5
works well
Bc Babycare Bottle Warmer arrived quickly and is as described. It takes very little space on the counter, looks sleek and delivers! It only takes a few minutes to warm up a bottle and it works with both skinny (Dr.Brown's) and wide-mouth (Avent) bottles. It's intuitive and easy to use, and it can be used to defrost, warm up and keep the milk warm. Works well for us.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2025

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