Products

Products

Anhui Liwei Chemical Co., Limited.

VAE Paper Coating Grade

    • Product Name: VAE Paper Coating Grade
    • Chemical Name (IUPAC): Poly(ethenyl acetate-co-2-ethenyl acetate)
    • CAS No.: 24937-78-8
    • Chemical Formula: (C4H6O2)m·(C2H4)n
    • Form/Physical State: Milky white liquid
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: sales3@liwei-chem.com
    • Manufacturer: Anhui Liwei Chemical Co., Limited.
    • CONTACT NOW
    Specifications
    HS Code 284814
    Product Name VAE Paper Coating Grade
    Chemical Type Vinyl Acetate Ethylene Copolymer
    Appearance White liquid
    Solid Content 50% ± 1%
    Ph Value 4.0-6.0
    Viscosity 1000-3000 mPa.s (at 25°C)
    Particle Size 0.2-0.5 µm
    Glass Transition Temperature 0°C to 10°C
    Density 1.05 g/cm³
    Film Forming Temperature 0°C
    Ionic Nature Non-ionic
    Application Paper surface coating

    As an accredited VAE Paper Coating Grade factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging for VAE Paper Coating Grade contains 25 kg per bag, utilizing moisture-proof, multi-layer kraft paper sacks with inner lining.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for VAE Paper Coating Grade: 16–18 metric tons packed in 25 kg bags, securely palletized for shipment.
    Shipping VAE Paper Coating Grade is securely packed in 25kg kraft paper bags or jumbo bags with inner PE liners to ensure moisture protection. Products are shipped on pallets and shrink-wrapped for stability. Recommended storage is in a cool, dry place. Shipping complies with standard regulations for non-hazardous chemical transport.
    Storage VAE Paper Coating Grade should be stored in a cool, dry, and well-ventilated area, protected from direct sunlight, extreme temperatures, and moisture. Containers should be tightly sealed to prevent contamination and evaporation. Avoid freezing and exposure to strong oxidizers. Properly label and store away from incompatible materials. Follow all relevant safety and regulatory guidelines for chemical storage and handling.
    Shelf Life The shelf life of VAE Paper Coating Grade is typically 6 months in unopened containers, stored in cool, dry conditions.
    Application of VAE Paper Coating Grade

    Applications of VAE Paper Coating Grade in Industrial Manufacturing

    As a direct manufacturer of VAE Paper Coating Grade, we provide a specialized emulsion relevant for industrial processes requiring advanced coating performance on various paper substrates. Our raw material supports downstream formulation needs within coated paper production, packaging board upgrading, specialty release paper fabrication, and high-demand wallcovering bases. Each application scenario addresses strict compliance, functional formulation, processing integration, and end-use requirements for professional manufacturers.

    1. Coated Printing Paper for Commercial Publishing

    Commercial printers demand precise control over paper surface quality, ink absorption, and runnability. In high-speed offset or gravure processes, our emulsion integrates into the formulation stage for coating base paper targeted at book, magazine, catalog, and advertising print jobs. Its use allows paper convertors to tune gloss, smoothness, and printability, while controlling repulpability in recycling. Our technical team works directly with coating line managers to maintain on-reel stability and minimize foaming through tailored dosing.

    Industry compliance standards

    Typical usage ratio

    Downstream process integration

    Final product types

    2. Folding Carton Packaging Substrates

    Premium folding box boards require a balance of surface integrity for print receptivity and mechanical flexibility for die-cut behaviors. Our customers in carton production rely on the emulsion’s binding effect to anchor pigments, control dusting, and increase resistance to fiber pick during high-shear printing and blanking. Our material fits into lines targeting food, pharmaceutical, and cosmetics packaging where both regulatory and functional performance are critical.

    Industry compliance standards

    Typical usage ratio

    Downstream process integration

    Final product types

    3. Self-Adhesive and Release Paper Backings

    Release liner manufacturers process our specialty grade in their coating stages to produce stable, non-blocking base for silicone, wax, or hot-melt subsequent layers. Our emulsion optimizes porosity and holds pigment in place for micro-smoothness crucial to clean release, especially on high-speed lines aimed at pressure-sensitive label stocks, tapes, and industrial laminate backings. Continuous collaboration ensures minimal migration of low molecular weight species to comply with converting and end-user specifications.

    Industry compliance standards

    Typical usage ratio

    Downstream process integration

    Final product types

    4. Wallcovering Base Paper Enhancement

    Wallcovering substrate producers value controlled porosity and strong pigment retention for direct printing, embossing, or PVC extruding. Our emulsion enters factory blending lines to hold chalk and titanium dioxide at the top surface for durable decorative finishes. It supports batch-to-batch reproducibility in cellulose- and synthetic-fiber base systems, while withstanding high-latex-load calendering and continuous embossing. Processing adapts to heavy-duty wipe-resistant or dry-strippable end-user requirements.

    Industry compliance standards

    Typical usage ratio

    Downstream process integration

    Final product types

    5. Thermal Paper Base Coating for Receipts and Tickets

    Thermal paper converters integrate our grade into their functional coating layer to anchor pigments and optimize melt viscosity for direct thermal imaging quality. Engineered to minimize background coloration and premature image fade, our product also aids dispersion uniformity in both one-pass and two-pass coaters. It complies with global retail and food labeling standards, enabling downstream clients to balance image clarity, anti-curl properties, and print longevity in high-cycle production lines.

    Industry compliance standards

    Typical usage ratio

    Downstream process integration

    Final product types

    Free Quote

    Competitive VAE Paper Coating Grade prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: sales3@liwei-chem.com

    Inquiry

    Get Free Quote of Anhui Liwei Chemical Co., Limited.

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    VAE Paper Coating Grade: Improving Paper Quality with Experience and Reliability

    Understanding VAE Paper Coating Grade

    Years of hands-on work at our own manufacturing site have shown us just how much polyvinyl acetate-ethylene copolymer emulsion, commonly known as VAE, can change the game in coated paper production. Our VAE Paper Coating Grade stands as the result of a series of investments into R&D, careful pilot plant trials, and real-time feedback from coating lines. We offer several models, though the general focus centers on a particle size that strengthens pigment binding and boosts surface coverage. Models in our lineup range through various solid contents, rheological behaviors, and minimum film formation temperatures to suit everything from art paper to high-bulk board.

    The Reasons Behind the Product

    In our factory halls, we've watched hundreds of tons of paper coating slurry transform from a raw mix into a finished product ready for a pressroom. Time and again, VAE excels where pure polyvinyl acetate or styrene-butadiene latex misses out. Many customers need their coated paper to balance printability, gloss, smoothness, and strength. With VAE’s flexibility in film formation and high wet-rub resistance, our product meets challenges presented by fast-speed blades, rough cellulose base sheets, or tight energy budgets. The emulsion's molecular arrangement allows for strong adhesion to pigments like kaolin and calcium carbonate, all while maintaining a low odor profile, which matters for both food packaging and high-end books.

    The Role of Specification and Control in Coating Grade VAE

    Not all VAE emulsions work for paper, and even fewer keep up under the demands of industrial scale. Decades of in-house testing have shown that certain viscosity windows allow for trouble-free pumping and thorough pigment dispersion. Our standard products offer solids contents ranging from 54% to nearly 60%, with viscosities monitored daily on plant-floor Brookfield viscometers. Those who have lab experience with coatings will recognize the need for a latex that doesn't react poorly with common thickeners or destabilize during high-speed mixing.

    Coaters often deal with problems like dusting, linting, or poor print definition, especially if the binder can’t lock down pigment on the sheet. Through frequent direct communication with papermakers, we've consistently tweaked the core-shell structure and surfactant level to suppress foam, increase binder strength, and improve lubrication. Changing these features without losing machine speed takes more than a guessing game; it requires regular sample checks down to sub-micron particle size and film integrity studies under hot air or infrared drying.

    Field Usage: Factory and Pressroom Observations

    In our own lines, as well as at customer coatings facilities, VAE Paper Coating Grade operates at dosages that depend on required final performance. Standard coated fine papers typically run at 8-16 parts per hundred pigment, though book paper often needs finer adjustments. Our emulsion wets kaolin and precipitated calcium carbonate quickly, showing little delay in thickener response or pigment flocculation. Formulators can bring gloss and brightness to spec by balancing our VAE with clay or GCC, making sure print ink lies smoothly and doesn’t feather at the edges.

    Working closely with pressroom teams, we’ve also worked out that VAE’s film-forming ability at moderate temperatures gives coated paper a soft touch without losing binding force. For printers running offset or gravure, this softness translates to improved tactile feel and faster ink drying, which means more jobs run in a shift and less risk of set-off. The low formaldehyde content leaves both operators and odor-sensitive end users with confidence in the final product.

    Practical Differentiation from Other Technologies

    We started using VAE systems at a time when styrene-butadiene and pure PVAc ruled the market. Experience quickly demonstrated several differences. Styrene-butadiene latex products can offer brightness and stiffness, but in variable weather or high humidity, they’re more likely to let water pass through the sheet. On the other hand, pure polyvinyl acetate yields brittle films, which crack on folding or under lamination.

    With VAE, we tap into the middle ground: thicker, more elastic films resist blockiness and cracking. Customers see fewer issues with curl or cockle, especially in regions with substantial seasonal change. We rely less on extra surface size additives, as the core of the VAE molecule already balances wet and dry strength. Plus, with consistently lower monomer residuals, our emissions during both manufacture and final paper use stay below international thresholds, setting us apart in responsible production.

    Handling Formulation Challenges

    No two pigmentation recipes look the same. Coaters who wish to raise opacity by adding more calcium carbonate or who pursue a high-gloss finish with titanium dioxide need a binder that will not settle out or lead to streaks. We identified, through line trials, the optimal surfactant package for our emulsion that interacts well with dispersants and rheology modifiers.

    Some coatings demand high solids content for mass balance or quick water removal in the drying stage. We test every batch to confirm consistent coagulation resistance, so high-speed coaters rarely see build-up or gelation. Those running curtain coaters or blade coating machines report that our VAE resists edge build-up and delivers smoother draws without stopping production. Because we make the latex ourselves, line feedback leads to adjustments in next batches, not just future products.

    Environmental Considerations and Safety

    Modern papermaking expects more than just function; sustainability and health concerns now stand at the forefront. Over the years, we phased out problematic additives and improved polymerization methods, so hazardous byproducts are now negligible. Lab studies from our site show our VAE Paper Coating Grade has lower VOC release during both application and subsequent heat-curing stages, helping environmentally conscious mills reduce air emissions.

    Compliance with food contact standards, strict for food carton and cup grades, shapes everything from monomer sourcing to testing frequency. Our product routinely passes global benchmarks for migration limits, so converters achieve food safety certifications without hassle. Staff on our floor and partner mills handle materials with the latest chemical safety training, but years of incident-free operation affirm the inherent stability of the emulsion during storage and handling.

    Real-World Results: Performance Where It Counts

    Anyone who has witnessed a high-speed paper machine in motion knows the frustrations of dust-off, uneven drying, and unexpected machine stops. The best feedback about our VAE Paper Coating Grade comes from those who run these lines: longer blade life, fewer off-spec reels, and less time spent cleaning. Double-sided coaters note the improved holdout and lower tendency toward edge cracking on large-format sheets. Smaller converters say that the product keeps dispersing well in smaller batches, all the way from first load till the last.

    Across various climates, from tropical mills to cold-regions board plants, the stability of the VAE emulsion over weeks of storage impressed clients. No large-scale case of phase separation or thickener drift has appeared since we optimized the synthesis procedure. End customers in publishing and packaging get paper that stands up to commercial printing inks, digital toner, and even demanding flexo systems thanks to the binder polymer’s well-balanced structure.

    Ongoing Improvements Through Collaboration

    We believe in learning from each new order and complaint. With feedback from laboratories and commercial operations worldwide, our R&D group tests small pilot runs to make incremental changes, from emulsion sizing to add-on surfactants. Mill engineers want binders that don’t compromise on economics. VAE Paper Coating Grade achieves the right ratio of dry strength to price, allowing papermakers to stretch pigment levels without risking dusting or scuffing.

    Our technical team visits customer sites and listens to practical concerns around pumpability, stability, transition times, and waste reduction. Armed with that insight, we refine recipes again and again. By keeping manufacturing in-house, not relying on tollers or traders, we control outcomes from start to finish. This reduces the risk of raw material drift, surprises in performance, or sudden shifts in regulatory compliance.

    Looking Ahead

    As print technology and packaging standards evolve, so too have user expectations for coated paper. Digital and offset applications require coatings that bridge the gap between flexibility and film strength, especially for short runs and variable formats. Our experience shows VAE Paper Coating Grade copes well with these needs, resulting in less waste and higher satisfaction.

    Papermaking and coating always carry a mix of old and new techniques, but the key remains consistent: reliably supplying a binder that works across changing pigments, machines, and conditions. Our VAE Paper Coating Grade aims to do exactly that, built on decades of direct feedback and continual adjustment. From large-scale board makers to specialty fine paper plants, we continue to stand with those who value consistency, dependability, and honest workmanship in every drum and tote shipped from our facility.

    Summary Table of Field Benefits (For Reference)

    Feature Benefit Observed in Production
    Optimal particle size and solids Strong pigment bonding, smoother finish, less dust-off
    Customizable viscosity Stable during storage and mixing, easy dosing at all temperatures
    Low volatile component level Worker and consumer safety, lower emissions for certification
    Consistent film formation Reduced edge cracks, no chalking, uniform tactile properties
    Responsiveness to pigment mix No settling, superb blending through various pigment grades

    Conclusion: Experience Backed Innovation for Paper Coating Success

    Our VAE Paper Coating Grade product represents dedication to hands-on process control, collaboration with real-world operations, and adaptability to new market demands. With every improvement made on the factory floor, we help papermakers deliver better, safer, and more efficient coated paper, no matter their market or scale. Years of practical use, direct troubleshooting, and honest feedback continue to shape what we offer, ensuring that our product supports your coated paper needs for today and the future.