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Transparent Body/face scrub - transparency problem
Hey dear Chemists,
I’m new here and my first project is a transparent body scrub with suspensions.
i already have the shower gel formula just have to add the little particles and a suspending agent, for the obvious reason.
the problem is this suspending agent (Acrylates copolymer) is a liquid with a milky color and it stays like that even after the mixing.
what should i do?
ps: the formula contains
Aqua Sodium laureth sulfate Cocamidopropyl Betaine Coco-Glucoside (and) Glyceryl Oleate Acrylates copolymer
Sodium chloride -
13 Replies
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share the percentage of chemicals so we can help better
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72,50 Aqua13,00 Sodium laureth sulfate5,00 Cocamidopropyl Betaine1,50 Coco-Glucoside (and) Glyceryl Oleate3,00 Acrylates copolymer1,50 Sodium chlorideother: preservative, NaOH solution, perfume
ps: water, acrylates copolymer ans sodium chloride are the variables, all other ingredients are constants. -
what is the final ph
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with no base its around 4
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Increase the pH to neutralize the polymer, otherwise it won’t do the job it is supposed to I do. What does the TDS of that polymer says about the final pH adjustment????
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There are 2 system that can provide high viscosity bulk for your suspension product:
1. SLES/CAPB/NaCl
2. Acrylate Polymer/NaOHFor acrylate Polymer system, you have to adjust final pH to achieve viscosity increasing of this polymer (usually around 7). Some grade of Acrylate Polymer can provide clear final gel bulk at pH around 7. The thing I suggest you to do is making Acrylate Polymer as constant, and set NaOH as variable till the pH that produce best appearance for your product.
Please read TDS for instruction of Acrylate Polymer.
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Chemist77 said:Increase the pH to neutralize the polymer, otherwise it won’t do the job it is supposed to I do. What does the TDS of that polymer says about the final pH adjustment????
Thank you for your input, the TDS specifies that i neutralize the mix with NaOH solution, and i did once on a solution “water + acrylates copolymer 5%” and another on the final mix but it didn’t change anything. Still have that white color.
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in the TDS they mention that at a pH between 6 and 13 the product functions at its best and i increased the pH to 7 and still nothing changed.
i’m suspecting if the polymer’s sample is ruined or something or i might be doing something wrong. -
What if you just add polymer in water and try to neutralize it just to see if it still OK to be used??
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Chemist77 said:What if you just add polymer in water and try to neutralize it just to see if it still OK to be used??
That’s what i did! didn’t work
choukr11 said:
Thank you for your input, the TDS specifies that i neutralize the mix with NaOH solution, and i did once on a solution “water + acrylates copolymer 5%” and another on the final mix but it didn’t change anything. Still have that white color. -
In that case, time to get a fresh sample.
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Thank you so much!
Great community! -
You firstly have to make neutralize acrylate crosspolymer solution
First dissolve acrylate crosspolymer in water and neutralize with triethanolamine
5 percent acrylate crosspolymer 1 percent TEA works .
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