SKU: 77733852576

Helical Multi-walled carbon nanotubes

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Helical Multi-walled carbon nanotubesProduct Name Name: Helical Multi walled carbon nanotubes Product Overview Coiled Multi Walled Carbon Nanotubes (CMWCNTs) are a kind of coiled multi walled carbon nanotubes with special morphology. Their structure is characterized by the coiled coiled tube wall. Spiral multi walled carbon nanotubes are formed by a plurality of graphite layers bent around a central axis and arranged spirally to form a continuous tubular structure. Each layer of graphite

Product Name

Name:Helical Multi-walled carbon nanotubes


Product Overview

 

Coiled Multi-Walled Carbon Nanotubes (CMWCNTs) are a kind of coiled multi-walled carbon nanotubes with special morphology. Their structure is characterized by the coiled coiled tube wall. Spiral multi-walled carbon nanotubes are formed by a plurality of graphite layers bent around a central axis and arranged spirally to form a continuous tubular structure. Each layer of graphite interacts with each other through van der Waals forces.

The appearance of spiral multi-walled carbon nanotubes shows a distinct spiral shape, which gives them unique physical and chemical properties. The preparation of spiral multi-walled carbon nanotubes usually involves complex chemical or physical processes, and chemical vapor deposition (CVD) is one of the most common methods for preparing spiral multi-walled carbon nanotubes. Under certain conditions, carbon source gas (such as methane, acetylene, etc.) is introduced into the reaction chamber, and metal catalysts (such as iron, cobalt, nickel, etc.) are used to decompose carbon source gas and deposit carbon nanotubes on the catalyst surface at high temperature. The morphology and structure of spiral multi-walled carbon nanotubes can be controlled by adjusting the catalyst type, concentration, reaction temperature and gas flow rate.


Technical Parameter

OD:00-200 nm

Length:-10 um

CNTs content:gt;90%

Helical CNTs content:>60%

SSA:gt;30m2/g 


Product Features

Mechanical properties: Spiral multi-walled carbon nanotubes have high strength and modulus, and can withstand greater stress and deformation without damage.

Electrical properties: Spiral multi-walled carbon nanotubes have good electrical conductivity, and their electrical properties depend on their diameter, helicity and the number of layers. They may exhibit metallic properties, semiconducting properties, or insulator properties.

Thermal properties: Spiral multi-walled carbon nanotubes have excellent thermal conductivity, which can transfer heat quickly and maintain low thermal resistance.

Chemical stability: Spiral multi-walled carbon nanotubes have high chemical stability and can maintain the stability of their structure and properties in a variety of environments.


Application Fields

Composite materials: Spiral multi-walled carbon nanotubes can be added to the composite as a reinforcing phase to improve the mechanical properties and thermal stability of the composite. They have potential application value in aerospace, automobile manufacturing and other fields.

Electronic devices: Spiral multi-walled carbon nanotubes can be used to construct electronic devices such as field-effect transistors and sensors. Their high conductivity and adjustable electrical properties give these devices excellent performance.

Catalyst support: The high specific surface area and excellent chemical stability of spiral multi-walled carbon nanotubes make them the ideal choice for catalyst support. They can support a variety of metal or non-metal catalysts to improve the activity and stability of the catalyst.

Gas adsorption and separation: Spiral multi-wall carbon nanotubes have strong adsorption capacity for some gases, and can be used to construct gas adsorption materials or gas separation membranes. They have potential application value in air purification, water treatment and other fields.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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ForTheLOVEofBooks
Charlottesville, US
★★★★★ 4
Pretty Darn Good
Format: Kindle
So I’ve been on a omega kick and this definitely hit the spot. Madison was frustrating at times with how she acted towards Lucas, Gray, and Rian. It was like she said towards the end, she didn’t believe she deserved nice things. It would have been nice to hear from her best friends again. They kind of were there in the beginning and the gone except for mention of text messages received from them. I feel like her friends would have been great help in encouraging Madison to go with the pack and never give Brent another chance because he was toxic. I loved Rian. His personality was awesome. His humor. His ability to make Madison comfortable whenever she was feeling overwhelmed. And the fact he fell for her and she fell for him first. They are cute together. I do feel like Lucas was the odd man out though. Like Lucas didn’t develop as much of a relationship with Madison. I would have really liked to see more development in the relationship between them. It was also the same with him and Rian. There is really no relationship displayed. Most of the relationship being displayed is between Rian and Gray. Nevertheless, I loved reading about the dynamic that came to fruition during the entirety of this story. Madison finally got her happiness. And Brent finally got punched in the face. Everyone got exactly what they deserve.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 6, 2022
E
Verified Purchase
ediebegonia
Omaha, US
★★★★★ 3
Pack's Promise was okay but not great
Format: Kindle
Pack's Promise was okay but not great. I won't recommend it to anyone that I know. PRO: * Very likable characters * Lots of steamy scenes that are written very well * The spelling and grammar are good * The punctuation is good with the exception of using hyphens instead of commas. Lots of hyphens. Lots and lots of hyphens. CON: * Almost no interactions with any characters outside of Madison and the pack * Nearly no plot. They meet, get together for a heat, agree to make it permanent, done * Quite a few typos such as extraneous words, missing words and words out of order THINGS TO KNOW: * More steamy scenes than storytelling * A lot of MM & MMM, some MFMM during heat
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Reviewed in the United States on January 5, 2023
L
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LJM
Houston, US
★★★★★ 5
such a good read
Format: Kindle
Madison, Lucas, Grey and Rian were made for each other!!! First time reading from this author and I’m not disappointed!!! Absolutely love the Love in this book and couldn’t ask for a better OV!
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Reviewed in the United States on October 25, 2023
B
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Beccaroo
Birmingham, US
★★★★★ 4
Fluffy and Nice Omegaverse
Format: Kindle
… this would have made 5 stars but for 2 reasons. A.) there were quite a few typos; misspelled words, missing quotations, “the his” mistakes, and various signs that maybe a proofread would do good. B.) the writing was quite textbook. Late blooming omega is struggling with her new self, finds a absurdly wealthy pack of alphas, every thing is almost insta-love but she resists, then decides to love herself and let everyone be happy. Rian was my favourite (obviously the author’s favourite too because he got the most page time) but I wish we could see more of his CEO side? He went to work maybe ONCE the entire time. Gray was supposed to be the “growly one” but he turned out to be puppy dog. Lucas was a genius brainiac doctor - but also super alpha with an aggressive hindbrain with a breeding k*nk?? And then there was no actual “breeding”?? Spice 3/5 - normally omegaverse books are super high on messy smut but this was tamer. Romance 3/5 - insta-love that was then resisted because of personal hangup’s Plot 2/5 - weird paced head hopping, showing the same scene from different POV’s that made me feel like it was 2 steps backward, 1 step forward. Humour 4/5 - there were a dozen lines that genuinely made me chuckle out loud Would have been five stars but the lack of proofreading and the predictable plot made me unable to get up to ADORED IT level - four stars is still and official ENJOYED IT, y’all. This isn’t a bad rating. The “Club Heat” has intriguing possibilities so I’m going to give the second one a shot.
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Reviewed in the United States on March 31, 2023
R
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Ruth Ann Burt
Fort Morgan, US
★★★★★ 5
Great book
Format: Kindle
I absolutely feel in love with all 4 characters!!! The bedroom scenes were 🌋🌡🔥🔥🔥. I couldn't put this book down!!! I'm hooked for the whole series Book 2 here I come!!!!! Its a fun easy book and story to read!!
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Reviewed in the United States on October 4, 2024

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