Mamour Sarr

To increase the viscosity, carboxy methylcellulose is added to the detergent compositions.

Hello YURI,

Once the CMC has been added to the mixture, two phases are observed. I would like to avoid the formation of the two phases.

Dear all, what is the detergent you are using? My Regards

Hello,

Abdelkader_Bouaziz i have a question.

I know I can use NaCMC to increase the viscosity of my detergent that I prepare at home. My problem is: I don't know the amount of NaCMC and why two different phases are formed.

Can someone suggest a formulation with NaCMC which gives a high viscosity detergent.

Thank you.

Dear Mamour Sarr, without knowing you home made detergent it is really hard to guess the reason, but I am thinking about two most likely possibilities to happen. The phase separation may be due to either the formation of a strong unsoluble polyelectrolyte complex (polymer/detergent) or it is simply a salting out mechanism. My Regards

Cher Abdelkader BOUAZIZ,

I use anionic surfactants and the anionic polymer from what i read it should not have two phase formation in the absence of salt or if i add a small amount about 0.7 percent.

you will suggest me what!

I think it is simply because both have anionic charges with no mutual interactions or miscibility/compatibility. My Regards

https://www.researchgate.net/publication/222919555_Investigation_on_the_interaction_between_C16TAB_and_NaCMC_in_semidilute_aqueous_solution_based_on_rheological_measurement

Dear Abdelkader BOUAZIZ,

In this article the authors talk about a semi-dilute solution of a cationic surfactant (C16 TAB) and an anionic polymer (NaCMC). I am talking about the case where the anionic surfactants are SLES, ABSA and BTN.

Dear shahin mardani

I know I have to add the NaCMC but how much and when to avoid the formation of the two phases.