Is there any polymer that can be used to shield electromagnetic waves?

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How can I study deformation behaviour of High Entopy Alloys

I want to know the best method to study deformation behaviour of High Entropy Alloy

06 July 2017 3,129 4 View

What are the possible interstitial atoms that can be used to improve mechanical properties of High Entropy Alloy

I need examples of interstitial atoms that can be used to improve the strength of High Entropy Alloy

05 June 2017 4,142 5 View

What is the best method of studying deformation behaviour of materials

I want to investigate deformation behaviour of an alloy, which method is the most suitable?

05 June 2017 4,484 15 View

Which wetting agent is the best for metal matrix nano composite?

I want to know the most efficient wetting agent for metal matrix nano composites

02 March 2016 4,646 2 View

What is the maximum quantity of nano particles reinforcement that can be used for metal matrix nano composites?

I want to know the maximum quantity of nano particles reinforcement that can be used in metal matrix nano composites in order to prevent agglomeration of the particles

02 March 2016 5,090 3 View

Determination of nano particles size

Where can I get particle size analyzer or TEM in Nigeria for analyzing nano particles?

01 February 2016 4,305 14 View

What can I use to filter nanoparticles from a solution?

I want to get nanoparticles out of ethanol solution. i know filter paper can not do this because the aperture on filter paper is bigger than the nano particles. What else can I use?

31 December 2015 9,837 15 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 View

Could anyone tell me what is the range of submillimeter wave?

There is confusion regarding the submillimeter-wave range. Many papers specify its range from 300GHz but some also consider its range from 100GHz. If I design an antenna on 122ghz what would I...

01 March 2021 516 7 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

Mohammad Kooti

I have seen many reports in which polyaniline/graphene composite has shown electromagnetic wave absorption properties. It is not difficult to prepare this composite.

Seun Owoeye

my Doc. in waiting. i think for a polymer that can resist electromagnetic waves, such a polymer must be reinforced with graphene. i believe there should be a technology to process that where you are