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Aculyn™ 33 Rheology Modifier
Aculyn™ 33 is an alkali-swellable anionic acrylic polymer emulsion (ASE) that is lightly crosslinked to impart a short pseudoplastic flow. It is a liquid, cold-processable product that instantaneously thickens upon neutralization providing ease of handling and increased manufacturing efficiency. This thickener is offered at 28% solids and is compatible with peroxide and other oxidizing agents, electrolytes, polar solvents and zinc pyrithione. The polymer has a well-established toxicological profile and is safe in normal use.

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FEATURES

Stable in highly alkaline systems Divalent ion tolerance
Particulate suspension Excellent viscosity stability
Polar solvent compatibility Peroxide compatible
Instant neutralization/thickening Flat pH/viscosity response
Short flow

Lack of odor

Cold-processable/liquid Excellent high shear stability
Yields clear gels  

BENEFITS

Easy to handle

Ability to stabilize suspensions
Formulations exhibit little viscosity drift Less sensitive to water hardness
No preparation necessary Able to formulate clear products
Compatible with nonionic and anionic surfactants Does not promote or support contamination, unlike natural thickeners
Non-hygroscopic Mild, soft, non-greasy, non-sticky
Thickens and stabilizes hydrogen peroxide No watery feel upon skin contact
Increased manufacturing efficiency Flexibility in choice of preservative system
No odor/color change in two-part peroxide formulations Improved pickup properties
Allows for use of continuous production processes with use of in-line static mixers Supported by comprehensive environmental, health and safety data
Permits stable formulations with particulates Formulation of spreadable lotion products that flow readily from the container

PHYSICAL DESCRIPTION*

INCI Name: Acrylates Copolymer
Association: None
Ionic Nature: Anionic
Appearance: Milky Liquid
Solvent: Water
Solids: 28
pH (as supplied): 3.0
Density: 1.05
Equivalent Weight: 218
Rheology: Short, buttery
Shear Thinning : Moderate
Viscosity, mPAs
(as supplied):
10
Pseudoplastic Index:
(viscosity @ 6 rpm / viscosity @ 60 rpm)
5.0
(2% solids in water)

* The values presented in this chart should not be considered as product specifications.

ADDITIONAL LITERATURE

FORMULATIONS

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Skin care
Emulsifier Free Liquid Makeup
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Sun and Skin care
Emulsifier Free SPF 15 Daily Use Lotion
Emulsifier Free Water Resistant SPF 30 sun Protection Lotion
Emulsifier Free Water Resistant SPF 50 Sun Protection Lotion
SPF 30 Water Resistant Sun Protection Spray