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Waterborne acrylic emulsion Emulsion for Paper Barrier Applications

Waterborne acrylic emulsion Emulsion for Paper Barrier Applications

Waterborne acrylic emulsion have become a vital choice for enhancing paper’s barrier performance, responding to the rising demand for sustainable and high-performance packaging and functional paper products. Unlike traditional solvent-based coatings, they use water as the dispersion medium, complying with global environmental regulations and circular economy objectives. Their unique blend of flexibility, adhesion, and customizable barrier capabilities makes them perfect for modifying paper surfaces to resist moisture, oils, gases, and other contaminants. This article explores the product overview, product description, application processes, key advantages, and core benefits of Waterborne acrylic emulsion in paper barrier applications.

  • Item No :

    Waterborne Acrylic Emulsion
  • Application :

    Clean/treat paper, apply coatings, dry, and optionally cure for barrier needs.
  • Special Feature :

    Sustainable, versatile, paper-friendly, and cost-effective barrier solutions.
  • Description

Product Overview

Waterborne acrylic emulsion are water-based film-forming systems specifically developed to boost the barrier properties of paper substrates. They are compatible with a broad spectrum of paper grades, from lightweight tissue to heavy-duty packaging board. These coatings integrate seamlessly with existing paper processing workflows, offering a flexible and efficient solution to upgrade paper performance without sacrificing its inherent traits. They address the industry’s need for paper products that can withstand external contaminants while adhering to sustainability standards.

 
 Waterborne Acrylic Emulsion
 

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Key Features

Sustainability and Environmental Compliance: Eliminating solvent use reduces environmental impact and operational hazards, supporting manufacturers in achieving carbon reduction targets. The coatings are also compatible with paper recycling processes, minimizing waste in the product lifecycle.

Versatility Across End Uses: They cater to a wide range of applications, including food packaging, beverage cartons, industrial packaging, and functional paper like labels and medical packaging. Different formulations can be customized for specific barrier needs, from basic moisture resistance to high-performance oxygen barrier.

Preservation of Paper’s Inherent Properties: The coatings do not alter paper’s lightweight, recyclable, or printable characteristics. They maintain paper’s flexibility, allowing for folding, shaping, and printing processes without compromising barrier performance.

Cost-Effectiveness: Waterborne acrylic emulsion offer competitive pricing compared to specialty barrier materials like wax or plastic laminates. Their application processes are compatible with existing paper production lines, reducing capital investment in new equipment.

 

Parameter

Typical Value

Unit

Notes

Appearance

Colorless and transparent

Visual inspection

Solid Content

24-41

%

Can be adjusted for formulation

Viscosity (25°C, Brookfield RV)

200-500CPS (25 ℃)

mPa·s

Spindle 3, 20 rpm

Color

<1 # (Fe-Co)

/

/

Density (25°C)

1.05–1.15

g/cm³

Typical value

Recommended Solvents

Water

For formulation compatibility

Shelf Life

12

months

Stored in sealed containers at 5–35°C

Storage

Cool, dry place

Avoid direct sunlight and moisture

 

Waterborne Acrylic Emulsion
Model
Type
Tg(℃) mfft(℃) Viscosity(mpa.s/25℃) Soild Content % pH Value Character
RHERI®A1303
Water-based acrylic colloid liquid
  <7 <500 40±1 7.0-8.0 A water-based acrylic semi-colloidal solution. Can be combined with 6037 to improve low-temperature heat sealing fastness. Also have good barrier effect when combined alone with carbodiimide.
RHERI®9020
Water-based acrylic colloid liquid
29 10 <500 40±1 4.5-6.5 An aqueous colloid that requires alkali neutralization. The water resistance and resolubility can be adjusted with ammonia and amines with different boiling points. Also can be neutralized with NaOH to make water-washable coating. After high-temperature baking and decomposition, there is no residual carbonized black matter, so it can be used as colored connecting material for glass ceramics. Also can be used as resin for grinding color paste.
RHERI®9025
Water-based acrylic colloid liquid
29 10 <200 24±1 8.0-9.5 A product of 9020 neutralized with ammonia. It has good compatibility with water-based polyurethane, can be used as economical matte oil when combined with water-based self-extinction PUD.
For more product list in detail  ,pls feel free to contact us 

 

Applications

◊ Substrate Preparation: Paper substrates undergo surface cleaning to remove dust, fibers, and impurities that could affect coating adhesion. Surface treatment such as corona discharge may be applied to increase surface energy, promoting better wetting and film spreading.

◊ Coating Application Methods: Common techniques include roll coating, curtain coating, spray coating, and gravure coating. Roll coating is widely used for large-scale production due to its efficiency and uniformity, while curtain coating is preferred for high-precision barrier requirements. The coating weight is adjusted based on the desired barrier level, typically ranging from a few grams to tens of grams per square meter.

◊ Drying and Film Formation: After application, the coated paper is passed through a drying system where water evaporates, and the acrylic copolymers fuse to form a continuous barrier film. The drying process is controlled to avoid paper warping or coating cracking, with temperature and air flow optimized to balance speed and film quality.

◊ Post-Treatment (Optional): Some applications require post-treatment such as heat curing or UV crosslinking to enhance film density and crosslinking degree, further improving barrier durability and resistance to external stress.

 

 

Benefits

Simplify production workflows by integrating seamlessly with existing paper processing equipment, reducing the need for costly upgrades or new machinery.

Support sustainability goals and compliance with environmental regulations, reducing the risk of penalties and enhancing brand reputation among eco-conscious partners.

Receive paper-based products with reliable barrier protection: extends the shelf life of packaged goods, prevents contamination from moisture/oils, and maintains product quality.

Enjoy products aligned with personal sustainability values: the eco-friendly, low-VOC formulation of the coatings reduces environmental impact compared to solvent-based or plastic-coated alternatives.

Benefit from versatile paper performance: coated paper retains flexibility and printability, ensuring products are easy to use and visually appealing.

 


 

 

 

 

 

 

 

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