How can you prepare the high conduct polymers?

cnduct polymer

04 May 2019 10,034 1 View

Can you dissolve poly phenol formaldehyde by suitable solvents?

dissolve poly phenol formaldehyde

31 December 2018 8,658 1 View

How can we use poly urethane with concrete?

How can we use poly urethane with concrete?

31 December 2018 7,216 1 View

How can we prepare the light weight concrete?

How can we prepare the light weight concrete?ow can we prepare the light weight concrete?

31 December 2018 9,783 1 View

What are the main types of lightweight aggregate concrete according to its application. ?

What are the main types of lightweight aggregate concrete according to its application. ?

31 December 2018 2,658 1 View

List the main characteristic of light concrete?

List the main characteristic of light concrete?

11 December 2018 4,339 1 View

Give some references of emerging Applications of Liquid Crystals Based on Nanotechnology?

Emerging Applications of Liquid Crystals Based on Nanotechnology J

11 December 2018 638 6 View

What is The FOAMCEM light weight cellular concrete ?

The FOAMCEM light weight cellular concrete

11 December 2018 6,749 3 View

- What is meanPolymeric Potassium Sequestrants?

-Polymeric Potassium Sequestrants

10 November 2018 7,248 0 View

Why we coudnt apply more important work papers?

the more applied paper can not used?

10 November 2018 4,235 1 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 Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 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

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View

How to identify what type of fillers are in a polymer?

Hello everyone, I have some PHAs blended with fillers and nucleating agents, yet I don't know what kind of fillers or nucleating agents. The producer has shut down and there's no way to get in...

24 February 2021 1,356 8 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View