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UNI-REZ™ 2291

1 of 47 products in this brand
UNI-REZ 2291 polyamide resin is a high molecular weight resin designed to provide laminating inks with a combination of excellent adhesion and viscosity stability. It has good alcohol solubility, low odor and the fast solvent release needed to obtain a low volatiles retain in laminated films.

Chemical Family: Polyamides

End Uses: Hot Melt Adhesive, Solventborne Ink

Features: Broad Range of Viscosity, Excellent Adhesion

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Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies

Features & Benefits

Product Highlights
  • High viscosity
  • Alcohol soluble

Applications & Uses

Adhesive & Sealant Type
Ink & Toner Type
Applications
  • Laminating ink with superior bonding ability
  • Fast solvent release
  • Low volatiles retained

Properties

Physical Form
Soluble in
Alcohol
Sales Specifications
ValueUnitsTest Method / Conditions
Acid Numbermax. 6AQCM 001
Amine Numbermax. 7mg KOH/gAQCM 069A
Softening Point (Ring & Ball)129 - 141°CAQCM 003A
Color, 40% in n-Propanolmax. 7GardnerAQCM 002C
Solution Viscosity-Holdt of Resin Solution, 40% in n-Propanol, 25°CX – Z2cPAQCM 042
Typical Properties
ValueUnitsTest Method / Conditions
Acid Number0.8mg KOH/gAQCM 001
Amine Number4.6mg KOH/gAQCM 069A
Softening Point (Ring & Ball)135.0°CAQCM 003A
Color, 40% in n-Propanol4.0GardnerAQCM 002C
Color, 40% in n-Propanol4 +GardnerAQCM 002A
Solution Viscosity-Holdt of Resin Solution, 40% in n-Propanol, 25°CYZcPAQCM 042
Solution Viscosity Brookfield, 40% in n-Propanol, 25°C8470.0cPAQCM 004
Solution Viscosity Brookfield, 35% in i-Propanol/VM&P Naphtha, 25°C1750.0cPAQCM 004
Viscosity Brookfield at 160°C94130.0cpsAQCM 004

Packaging & Availability

Packaging
  • UNI-REZ 2291 is a granulated resin, packaged in multiwall paper bags, 50 lbs

Storage & Handling

Storage

Granulated forms of resin are prone to slow oxidation which may result in darkening and/or have an adverse effect on solubility after prolonged storage. The shelf life of this product can be extended by storing in full, closed containers kept in a cool, dry area.