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Eastman AQ™ 38S Polymer
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Producer: 
Eastman
Brand: 
Eastman AQ
Eastman AQ ™ 38S polymer is a sulfopolyester that disperses directly in hot water without the assistance of amines, cosolvents, surfactants or other additives. AQ 38S polymer aids the dispersion of many hydrophobic ingredients in water-based products and forms clear films at room temperature from aqueous dispersions. Eastman AQ ™polymers differ chiefly in glass transition temperature (Tg) or softening point. As indicated by the number in the product name, Eastman AQ 38S polymer has a Tg of about 38°C. The "S" indicates AQ 38S is supplied as solid pellets. Eastman AQ linear polyesters serve as film formers in numerous cosmetic and personal care applications. Because of its low Tg, Eastman AQ™ 38S forms flexible films on the skin. It imparts a smooth feel to creams, lotions, and sprays and adheres to the skin. Thus, it is useful as a film-former in sunscreen products, providing excellent water resistance. AQ 38 is added to the water phase and aids the emulsification of oil-phase UV absorbers. AQ 38 provides improved coverage for sprayable sunscreens.

Eastman AQ™ 38S Polymer

Producer: 
Eastman
Brand: 
Eastman AQ
Eastman AQ ™ 38S polymer is a sulfopolyester that disperses directly in hot water without the assistance of amines, cosolvents, surfactants or other additives. AQ 38S polymer aids the dispersion of many hydrophobic ingredients in water-based products and forms clear films at room temperature from aqueous dispersions. Eastman AQ ™polymers differ chiefly in glass transition temperature (Tg) or softening point. As indicated by the number in the product name, Eastman AQ 38S polymer has a Tg of about 38°C. The "S" indicates AQ 38S is supplied as solid pellets. Eastman AQ linear polyesters serve as film formers in numerous cosmetic and personal care applications. Because of its low Tg, Eastman AQ™ 38S forms flexible films on the skin. It imparts a smooth feel to creams, lotions, and sprays and adheres to the skin. Thus, it is useful as a film-former in sunscreen products, providing excellent water resistance. AQ 38 is added to the water phase and aids the emulsification of oil-phase UV absorbers. AQ 38 provides improved coverage for sprayable sunscreens.
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Features & Benefits

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CASE Ingredients Features
Product Highlights
  • Aids the emulsification of organic ingredients
  • Low-viscosity hairsprays
  • No neutralization needed
  • Quick drying
  • Water resistant
Product Highlights
  • Aids the emulsification of organic ingredients
  • Low-viscosity hairsprays
  • No neutralization needed
  • Quick drying
  • Water resistant

Applications & Uses

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Ink Type
Bath & Body Applications
Color Cosmetic Applications
Skin Care Applications
Treatment Products
Recommended Applications
  • Adhesives/sealants-B&C
  • Paints & coatings
  • Personal care ingredients
  • Skin care ingredients
Recommended Uses
  • Adhesives/sealants-b&c
  • Paints & coatings
  • Personal care ingredients
  • Skin care ingredients

Properties

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Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Acid Numbermax. 2mg KOH/g-
ColorPale amber--
Glass Transition Temperature (Tg) Dry Polymer35-38°C-
Hydroxyl Numbermax. 10mg KOH/g-
Inherent Viscosity0.32-0.40dL/g-
Melt Viscosity at 200°C9700.0poise-
Physical Form
Color
Pale amber
Glass Transition Temperature Tg
35-38°C
Acid Number
<2 mgKOH/g
Hydroxyl Number
<10 mgKOH/g
Bulk Density
6.5 lb/gal
Inherent Viscosity
0.32-0.40 dL/g
Melt Viscosity
9700 poise at 200°C
Dispersible in
Water

Documents (5)

Name
Type
AQ - 38S Polymer Sales Specifications Sheet
Other
Eastman Products for Sun Care
Brochure
Eastman products for graphic arts and inks
Brochure
Eastman AQ polymers for cosmetics and personal care
Brochure
Eastman AQ 38S Polymer Technical Data Sheet
Technical Data Sheet