What is the harmless way of cutting epoxy filled nanocomposite ?

I want to cut epoxy filled nanocomposite for FE-SEM analysis. What is the best way to cut it without resulting in any cracks or change in position or alignment of the particle reinforcement ? Also...

28 January 2021 7,084 5 View

How to prepare the sample of polymer nanocomposite for SEM analysis ?

Does Epoxy clay nanocomposite sample require surface preparation. I am going for Gold sputtering to make the surface conductive. I guess there is no need to clean or polish the surface beneath the...

04 January 2021 1,943 8 View

How to measure diffusion coefficient of filled polymers other than standard immersion tests that consume lot of time and resource ?

Diffusion coefficient of filled polymers are experimentally determined by standard water immersion test (ASTM D570). This will enable us to determine percentage increase in weight with respect to...

15 November 2020 9,790 4 View

What is the difference between permeability and diffusivity ?

In polymer clay nanocomposites, researchers have studied water absorption by measuring the weight of specimen periodically when immersed in water. Diffusion coefficients are measured. How is...

29 October 2020 1,422 10 View

What could be the maximum amplitude in a ultrasonication process ?

If I can limit the temperature build up during the ultrasonication process, can I increase the amplitude from 30 to 100 % and observe the changes in the prepared nanocomposite. Some people are of...

12 March 2020 2,503 3 View

How to produce epoxy and epoxy nanocomposite free or free standing films ?

In order to analyze epoxy neat and nanocomposite coatings in SEM, AFM, etc. I need free or free-standing films. How do I produce them? Basically, if I coat the epoxy nanocomposite on a substrate,...

17 December 2019 3,367 5 View

Where can I buy air bubble release agent for epoxy from (only ones in India reply) ?

I found air bubbles in the cured epoxy coatings. I do not have a vacuum oven, vacuum pump, thinky mixer, etc. in order to remove the entrapped air. I came to know that there are bubble release...

11 December 2019 185 3 View

How to remove solvent without the aid of any equipment ?

After preparing epoxy clay nanocomposite using the solution intercalation method, how can the solvent be removed? I do not have a vacuum oven, vacuum pump, degassing equipment, etc. Are there any...

29 November 2019 4,076 2 View

Is afra heavy duty silicone spray or release agent compatible with epoxy ?

Application: to peel out epoxy coating from mild steel or glass substrate Basically I am going to apply epoxy coating on a substrate. But since I want to peel out the coating for further AFM/SEM...

20 November 2019 5,057 1 View

What is the glass transition temperature of LY 556 epoxy cured with HY 951 cured in room temperature for one week ?

I have used LY 556 and HY 951 in a 10:1 ratio and cured at room temperature for one week. Has anyone determined the glass transition temperature for this combination when cured at room temperature?

11 October 2019 3,393 3 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

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 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 can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View