High-Performance Waterborne Polyurethane for Packaging and Ink

This product line comprises high-performance waterborne polyurethane resins specifically engineered for packaging materials and ink formulations. These eco-friendly solutions provide superior adhesion, flexibility, and durability while meeting stringent regulatory requirements for packaging and printing applications.



Product Overview

The waterborne polyurethane resins presented here represent cutting-edge technology in sustainable coating and ink solutions for the packaging industry. These products are designed as aqueous polyurethane dispersions with tailored properties for excellent performance on various packaging substrates including PET, CPP, PVC films, and aluminum surfaces. They offer exceptional printability, heat resistance, and mechanical properties essential for modern packaging applications, while maintaining environmental compliance through solvent-free formulations and reduced VOC emissions.

 
Waterborne Polyurethane Resin
 

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Key Features

    •  
    • ◊Excellent adhesion to packaging substrates (PET, CPP, PVC, AU)

      ◊Water based polyurethane dipsersion with good pigment wetting and dispersion capabilities for ink formulations

      ◊High alcohol resistance and chemical resistance for packaging protection

      ◊Good heat sealability and thermal resistance for packaging processes

      ◊Low viscosity for easy application and processing

      ◊Solvent-free, aliphatic compositions with excellent optical clarity

      ◊Waterborne PUD with good mechanical properties including flexibility and abrasion resistance

      ◊Our water based polyurethane resin with excellent compatibility with various printing and coating systems

Parameter Typical Value Unit Notes
Viscosity (25°C, Brookfield RV) 50-800 mPa·s Spindle 3, 20 rpm
Soild Content (34-39)±1 % /
pH Value 6.0-9.0 – /
Shelf Life 12 months Stored in sealed containers at 5–35°C
Storage Cool, dry place – Avoid direct sunlight and moisture

 

 

Waterborne Polyurethane Resin
Model Viscosity(mpa.s/25℃) Soild Content % pH Value Tensile Strength(Mpa) 100% Modulus
(Mpa)
Elongation
%
Dried Forming-Film Surface Tension Character
RHERI®U105 <500 35±1 6.0-8.0       38 Solvent-free, aliphatic, outstanding weather resistance, non-yellowing, self-cross-linking, excellent chemical resistance.
Can be used with matte polyurethane to prepare replacement oil, or can be used as gloss replacements.
Combined with 6027 to prepare UV ink primer varnish with better flexibility.
RHERI®U106 <500 39±1 6.0-8.0       <36 Solvent-free, aliphatic, with high hardness, excellent solvent resistance. Excellent anti-adhesion and anti-indentation properties.
RHERI®U107 <400 35±1 7.0-9.0       >40 NMP containing, high hardness, can improve anti-adhesion of products, have good adhesion to PVC.
RHERI®U110 <800 37±1 7.0-9.0 6.5 4 160% <38 NMP containing, has good adhesion to PVC, good wetting and dispersion of TiO2 and various organic pigments. Can be ground in color paste, and has excellent storage stability.
RHERI®U111 <600 34±1 7.0-9.0 27 13 350% <38 NMP containing, has good adhesion to PVC and is resistant to plasticizer migration.
RHERI®U114 50–300 35±1 7.0-8.5       38-40 Providing excellent metal orientation and good stability of pigment formulations. Providing good mechanical & chemical properties, and good adhesion to PVC, high alcohol tolerance(cannot be diluted directly with anhydrous ethanol). Good interlayer fastness with UV ink, good folding resistance and explosion-proof, combined with 6027 for good heat storage.
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Applications

   ◊ Flexible packaging coatings and laminations

   ◊ PVC shrink labels and packaging films

   ◊ Ink formulations for packaging printing

   ◊ Primer coatings for packaging materials

   ◊ Protective overprint varnishes

   ◊ Metalized film coatings for packaging

   ◊ Food packaging compliant coatings

 

 

Benefits

 

◊Enhanced Printability: Provides excellent surface properties for superior print quality and ink adhesion on various packaging materials

◊Environmental Compliance: Water-based, solvent-free formulations with low VOC content meet stringent packaging industry regulations

◊Superior Protection: Offers excellent resistance to abrasion, chemicals, and moisture, ensuring package integrity throughout the supply chain

◊Excellent Adhesion: Reliable bonding to diverse packaging substrates including plastics, metals, and treated surfaces

◊Optical Clarity: Maintains package transparency and brilliance while providing protective functions

◊Heat Resistance: Withstands packaging processes including heat sealing and sterilization

◊Flexibility: Maintains film integrity under various packaging conditions and handling stresses

◊Regulatory Safety: APEO-free and compliant with food contact regulations for packaging applications

◊Production Efficiency: Easy to process and apply with excellent storage stability and handling properties

 

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