AQ™ 48 Ultra is a water-dispersible polyester resin. It is commonly used as a fixative for hair care products and as a film former in coatings and inks.
Eastman AQ™ 48 Ultra is a sulfopolyester resin that disperses directly in water without the aid of surfactants or additives. Dispersions of AQ™ 48 Ultra are made up of very small particle aggregates that allow for rapid formation of clear and glossy films at room temperature that are low in tack. The electrostatic nature of AQ™ 48 Ultra aggregates in dispersion keeps the particles suspended without the need for dispersing aids.
Form: Pellets
Color: Pale amber
Glass transition temperature (Tg): 45-48°C
dry polymer
Inherent viscosity: 0.26-0.32 dL/g
Acid Number (mg KOH/g): <2
Hydroxyl number: <10mg KOH/g
Bulk density: 6.9 lb/gal
Primary Chemistry: Polyester-5
High gloss
Low film tack
Excellent film formation with and without alcohol
Fast drying and low viscosity in hairspray applications
Excellent hold in high humidity environments
Hair care products that fail out with sweat and humidity
Hairspray and hair gel that is too sticky
High formulation cost associated with common dispersing agents and surfactants
AQ™ 48 Ultra, also known as polyester-5, was designed to be used as a fixative in hair sprays and gels. It has good compatibility with alcohols, resists sweat, and has good wash out with shampooing.
Clear, tack free films of AQ™ 48 Ultra dispersions can be easily formed on packaging films to produce a heat seal coating. This coating can subsequently be sealed to other packaging films and foils to create laminates that are useful in the packaging industry.
In ink formulations, AQ™ 48 Ultra is used as a binder. The rapid drying speed of the polymer allows for increased printing speeds and rapid curing of inks.
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