Eastman
 
 
Eastman AQ™ polymers for Cosmetics and Personal Care include Eastman AQ™ 38S, 48 Ultra, and 55S. These polymers are sulfopolyesters that disperse directly in water without the assistance of surfactants or other additives. Low-viscosity aqueous dispersions can be prepared at concentrations up to 30% polymer solids. AQ polymers aid the dispersion of hydrophobic ingredients in water-based formulations and form clear films at room temperature from aqueous dispersions.

Eastman AQ™ 38S, 48 Ultra, and 55S polymers differ in glass transition temperature (Tg), alcohol tolerance, and dispersion temperature. AQ 38S and 55S are more water resistant than AQ 48.

The INCI name for Eastman AQ™ 38S, 48 Ultra, and 55S polymers is Polyester-5.

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Typical Properties of Eastman AQ™ Polymers
 
Polymer Primary Applications
Tg, °C
Water Temperature
for Dispersion, °C
Dispersion Clarity
Alcohol Tolerance of 5% AQ Dispersion
Eastman AQ™ 38S Sun Care / Skin Care: Creams, Lotions & Sprays
35-38
60-80
Hazy
45% Max.
Eastman AQ™ 48 Hairstyling: Hair gel & Hairspray
45-48
40-50
Clear
55% Max.
Eastman AQ™ 55S Color Makeup & Hairstyling
51-54
60-80
Slightly hazy
35% Max.
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