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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.
Product 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.
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Thank you for your inquiry and interest in ChemPoint.
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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.