Weaam Alali

17 Questions 14 Answers 0 Followers

Questions related from Weaam Alali

Polyester fiber morphology after Plasma treatment?

I have taken SEM pictures of the surface of polyester fabric before and after Plasma treatment at magnification × 20.000, there was no difference in the morphology of the fibers, does that make...

08 March 2024 6,962 1 View

Can anyone help me in plasma fabric finishing?

Hello, I am studying fabric finishing using plasma, and I need some help please.

29 August 2023 9,970 0 View

How can I use Latex application ?

Please I need help, I am trying to make a paper using Latex application online for the Arabian journal of research and technology , and I didn't find the journal's name in the list when I went to...

20 January 2023 2,701 3 View

Can we fabricate plasma without gas? What is the method to do that?

I need to make a plasma device for my study but the gas cylinders are too expensive so I search for a method that doesn't need gas.. is there a way for that?

15 June 2021 7,372 2 View

What is the difference between nonionic and ionic surfactant in formation of emulsion microcapsules?

I made two experiments to form an emulsion from microcapsules and used two different kinds of surfactant. In the first experiment I used sodium dodecyl sulphate (SDS), it is a anionic surfactant,...

01 January 1970 873 3 View

Does surfactant give me an organic phase?

Can any one tell me please if solution consists of PVA and little ammount of surfactant like SPAN 80 in distilled water can be considered an organic phase? and why? an article I read called this...

01 January 1970 1,354 6 View

Reaction between calcium carbonate and hydrochloric acid?

Hi I am making a solutìon and need calcium chloride, but it is not available so I used calcium carbonate with HCL, as we know they will react with each other and give calcium chloride, water and...

01 January 1970 3,537 9 View

Can glutaraldehyde or glyoxal crosslinked water?

I made w/o emulsion , the internal phase is water contain ammonium phosphate with glyoxal as crosslinker at little concentration, the external phase is cyclohexane with emulsifier span 60.. I...

01 January 1970 9,955 0 View

A conference about using plasma in fabric and textile

Hello, can anybody tell me if there is a conference about using plasma technology in the feild of fabric finishing please?

01 January 1970 451 2 View

Please can anyone help me in plasma fabric finishing?

Hello, I am studying fabric finishing using plasma, and I need some help please.

01 January 1970 2,183 0 View

How can I get dry powder microcapsules?

I am making microcapsules from gelatin and sodium alginate as shell materials and ammonium phosphate as the core material, after the emulsion formation I do centrifugal to separate the...

01 January 1970 9,525 6 View

How can I increase the microencapsulation Yield of alginate microcapsules?

Please did anyone work on microencapsulation of ammonium phosphate in sodium alginate and gelatin? I am making microcapsules and use shell/core ratio 1 . Alginate 1.4% , gelatin 1% and ammonium...

01 January 1970 5,651 1 View

Polyester fiber morphology

I have taken SEM pictures of the surface of polyester fabric before and after Plasma treatment at magnification × 20.000, there was no difference in the morphology of the fibers, does that make...

01 January 1970 6,382 4 View

Can we fabricate plasma without gas? What is the method to do that?

I need to make a plasma device for my study but the gas cylinders are too expensive so I search for a method that doesn't need gas.. is there a way for the?

01 January 1970 7,884 7 View

How can I increase the amount of resulting microcapsules from an emulsion?

I am working on complex coacervation between gelatin and sodium alginate as shell materials and ammonium phosphate as the core material to form microcapsules for flame retardant of cotton fabrics....

01 January 1970 486 4 View

At which PH gelatin b is possible?

I need to know at which PH value gelatin type b has positive charges.. its isoelectric point = 5 So when it has positive charge and at which PH has negative charge?

01 January 1970 5,332 0 View

Why ammonium phosphate deposit in w/o emulsion?

I made w/o emulsion where the internal phase is 25% and the external phase 75% . The internal phase contain ammonium phosphate 6 g in 20 ml water and the external phase is 60 ml organic oil with 2...

01 January 1970 8,884 7 View