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CARBOPOL 940 type Thickener
Top performing, widely used thickener, and film forming aid Carbopol 940 polymer thickener is a cross-linked polyacrylate polymer. It is a very efficient thickener (rheology modifier) providing high viscosity and clear water or hydroalcoholic for making a variety of gels and creams.
The properties of Carbopol 940 type polymer short flow (non-drip) are great for applications where you are making clear gels, hydroalcoholic gels, creams. Widely used due to their versatility and safety.
Features and Benefits of Carbopol 940 type powder Polymer for thickening: Short flow properties
High suspending ability
High clarityRecommended Applications Hair styling gels
Hand, body and face lotions
Normal / typical usage is 0.1 to 1.5 % depending on the viscosity / thickness desired.
1 Pound with a price break when 5 selected ( 5 pounds)
Choose the desired quantity. We carry several sizes
When carbomer is dispersed in to water and neutralized with an approbate base (NaOH, KOH, NH4OH, or organic amine such as Triethanolamine also known as TEA, AMP, AMPD) an opalescent gel is formed. Dispersion should be made by slow addition of the polymer in order to avoid the formation of lumps and stirring until all particles are completely hydrated.
To neutralize 1 g of of the carbomer to pH 7 ca. .0.01 equivalent of base are required (e.g. 0.4 g of NaOH, 1.5 g of Triethanolamine also known as TEA) It is advisable to add strong bases previously diluted in to water at a concentration not higher than 10%.
Poly(acrylic acid) (PAA or Carbomer) is a generic name or term for the synthetic high molecular weight polymers of acrylic acid. These may be homopolymers of acrylic acid, crosslinked with an allyl ether pentaerythritol, allyl ether of sucrose or allyl ether of propylene. And, in a water solution at neutral pH, PAA is an anionic polymer, i.e. many of the side chains of PAA will lose their protons and acquire a negative charge. This makes PAAs polyelectrolytes, with the ability to absorb and retain water and swell to many times their original volume. Dry PAAs are found in the market as white and fluffy powders. Carbomer codes (like 940 for example) indicate the molecular weight and the specific components of the polymer typically .
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