What is efficient way of desizing?

I am using enzymatic desizing process. after that Using Sodium Percarbonate for scouring and bleaching. Cotton fabric is gets white but still tegawa rating is poor. I am Looking for suggestion...

31 December 2019 1,733 4 View

Can anyone suggest acidic buffer system for disperse dyeing?

When we dye polyester with disperse dye there is the requirement of maintaining constant acidic ph of fabric. Just using acetic acid at 150-200 degree centigrade cannot withstand and maintain...

06 July 2018 4,074 7 View

Is anyone working on melamine formaldehyde fragrance microencapsulation?

Please help me about PH shift for polycondenstaion of MF. What is the appropriate PH, temp and time for it? Would be there any free formaldehyde remaining in the solution after cross linking? As...

04 May 2018 332 0 View

How to get adequate sodium alginate hardening in CaCl2 sol with proper encapsulation and proper shape?

Kindly guide me how can I get proper hardening of of sodium alginate along with proper microencapsulation? I am using 3% NaAlginate sol and different concentration for calcium chloride (0.2, 0.5...

03 April 2018 4,928 8 View

How to remove the residual PDMS on the silicon mold?

Incompletely cross-linked pdms are difficult to remove.

01 March 2021 798 3 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

What is the best solvent to remove PDMS from nano particles?

I want to remove PDMS oligomers from the surface of nanolayers. I have just read a very helpful paper about the compatibility of PDMS with different solvents( Solvent Compatibility of...

24 February 2021 7,845 5 View

How to remove compound ( Europium complex ) from paraffin oil?

How can I remove my compound from paraffin oil? Mistakenly my compound fell in an oil. Compound = Europium complex

22 February 2021 5,667 2 View

Can't recognize exact phase and PDF card no of Silicon carbide in XRD?

We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...

22 February 2021 2,072 3 View

When I mix oil and NaOH solution, Why solid layer in the surface is formed?

During my trial for lubricant oil re-refinery process, I use NaOH as coagulant agent. After overnight of gravity settling, a solid layer in the surface was form. what product is that? since the...

22 February 2021 2,116 4 View

Amorphous silica XRD peak at around 10 degree?

21 February 2021 3,417 5 View

The type of filter paper used to filter an epoxidized oil (the mixture is an epoxidized oil with magnesium sulfate) ?

I have a mixture of epoxidized oil and magnesium sulfate wich type of filtre paper should i use

21 February 2021 3,944 3 View