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thickening ability of Carbopol SC 800
I am making a baby shower gel formula using Carbopol SC 800 as a thickener. First, dissolve sodium benzoate in water and then add Carbopol SC 800. After dispersing, I see that the mixture is very liquid. But if I do the opposite, let carbopol disperse in water first, the resulting mixture is quite thick. And then add sodium benzoate, the system becomes liquid. I do the following steps, add SLES, CAPB… to complete the product, and the final system obtained has the required viscosity. So I want to ask, does Carbopol SC 800 need to be neutralized? And why is the initial dispersion liquid but the final product obtained is thick?
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