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Modified Aldehyde Resins for Aqueous Pigment Dispersions

Kabasph^® WB-45S is a high-performance waterborne aldehyde resin designed to improve the quality and functionality of water-based coatings and inks. By enhancing substrate adhesion, pigment dispersion, surface gloss, hardness, and coating durability, it enables formulators to achieve superior film performance while maintaining excellent processing characteristics. As a versatile resin additive, Kabasph^® WB-45S provides an effective solution for developing high-performance, environmentally friendly waterborne coating systems.

Chemical Name :
Waterborne Aldehyde Resin
Application :
Waterborne Coatings, Waterborne Printing Inks, Sealants and Adhesives.
Product model :
WB-45S
Appearance :
Yellowish Transparent Viscous Liquid
brand :
Kabasph

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product introduction

Kabasph^® WB-45S is an innovative waterborne aldehyde resin developed through the co-polymerization emulsification of modified aldehyde resin with specialized emulsifiers. This unique technology enables WB-45S to function as a versatile additive that can be seamlessly integrated with waterborne acrylic resins and waterborne polyurethanes to create stable, one-component systems. The product delivers room-temperature film formation and crosslinking curing, making it suitable for both water-based ink formulations and water-based resin coating systems.

Modified Aldehyde Resins for Aqueous Pigment Dispersions

Key Technical Indicators

Product Model	WB-45S
Solid Content	45%±2
Hydroxyl Value	≥200
Amine Value	180-200
Softening Point	160-170
Film Formation Temperature	-5

Key Features

Superior Adhesion and Crosslinking
WB-45S significantly enhances the crosslinking density of waterborne formulations, resulting in improved adhesion to various substrates. The modified aldehyde resin structure provides reactive sites that participate in crosslinking reactions during film formation, creating a more robust polymer network.

Enhanced Dispersibility and Leveling
One of the standout characteristics of WB-45S is its ability to dramatically improve the dispersion and leveling of metallic pigments in waterborne formulations. This addresses a common challenge in waterborne systems where pigment dispersion can be problematic.

Improved Optical Properties
The addition of WB-45S contributes to exceptional gloss development in finished coatings and inks. The resin's compatibility with acrylic and polyurethane systems ensures uniform film formation with high aesthetic quality.

Excellent Weather Resistance
Formulations incorporating WB-45S demonstrate outstanding weatherability and corrosion resistance. The resin system provides protection against environmental degradation, with high gloss retention even after prolonged aging.

Comprehensive Chemical Resistance
The crosslinked network formed with WB-45S imparts enhanced resistance to solvents, hydrolysis, and salt spray, extending the service life of coated or printed products.

Mechanical Durability
Significant improvements in impact resistance, bending resistance, and scratch resistance have been observed in formulations containing WB-45S. The resin also enhances both wet and dry adhesion properties, ensuring reliable performance under varying conditions.

Main Applications

Kabasph^®WB-45S is recommended for use in:

Waterborne Coatings: Architectural, industrial, and automotive coatings requiring superior adhesion and weatherability

Waterborne Printing Inks: Flexographic and gravure inks where pigment dispersion and print quality are critical

Sealants and Adhesives: Where enhanced crosslinking and substrate bonding are essential

Application for Modified Aldehyde Resins

Recommended Dosage

As a crosslinking agent: 1–5%
As a dispersing agent: 3–5%
As an adhesion promoter: 5–10%
Added into resin systems: 10–20%

Package and Storage

Available in 1,000 kg IBC totes, 200 kg/drum, or 25 kg/drum.

Store in a tightly sealed container in a cool, dry, well-ventilated place away from direct sunlight. Keep away from active oxidizing agents. Avoid low-temperature storage

Shelf life: 12 months in a sealed container at room temperature.

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