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AQ™ 1950 Polymer
AQ™ 1950 is a low Tg water dispersible sulfopolyester polymer commonly used as a resin in hot melt adhesives.
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- Manufacturer: Eastman
- Product Line: Eastman AQ™ Polyesters
- Product: AQ™ Polymers
- Industries: Adhesives
- Authorized Countries: Canada | United States
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Overview
Eastman AQ™ 1950 is a semi-solid sulfopolyester resin commonly used in hot melt adhesive formulations. AQ™ 1950 is easily dispersed in water at moderate temperature without the aid of emulsifiers or co-solvents. It has a Tg of 3°C and provides outstanding flexibility and tack when formed into a film.
Unlike polyvinyl alcohol, polyvinyl pyrrolidone, and other water-soluble polymers, AQ™ polymers spontaneously form small anionic aggregates when added to water that remain suspended electrostatic repulsion without the need for surfactants or dispersants.
Specifications
Odor: Fruity
Viscosity @177°C: 75,000-135,000 cP
Ring and ball softening point: 115°C
Glass transition temperature (Tg): 2.5°C ± 7.5°C
Hydroxyl number: 57 mg KOH/g
Form: Solid
Color: 4 max
Primary Chemistry: Sulfopolyester
Features & Benefits
Easily dispersible in water
Excellent adhesion to a variety of substrates including polyolefins, paper, and PET
Repulpable in both neutral and alkaline conditions
Problems Solved
Adhesion failure to difficult, flexible substrates
Difficulty recycling paper products constructed with adhesive
Applications
AQ™ 1950 is easily recycled in the re-pulping process due to its water dispersibility making it an ideal base resin for hot melt adhesives used on paper and board.
Related Applications
Adhesives
Related Chemistries
Adhesives
Related Functions
Adhesives
Related Technologies
Adhesives
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