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Seeking a packaging seal that balances both strength and eco-friendliness? Water-based acrylics offer the perfect "best-of-both-worlds" solution! As a core raw material for sealing adhesives, they are widely utilized across diverse packaging applications—including food, express delivery, and daily chemical products. Whether applied to paper boxes, plastic bags, or composite film materials, they en...
As environmental regulations tighten globally and end users increasingly prioritize health and sustainability, the adhesive industry is undergoing a fundamental shift from solvent‑based to eco‑friendly alternatives. Among the various solutions, waterborne acrylic emulsion has emerged as a leading material due to its excellent balance of performance, versatility, and environmental compatibility. Wa...
If you are a manufacturer of—or a user of—hot-melt adhesives, you are well aware that while most hot-melt pressure-sensitive adhesives (HMPSAs) appear virtually identical in appearance, the specific manufacturing processes employed during their blending result in distinct sets of advantages and disadvantages. Hot-melt pressure-sensitive adhesives are complex mixtures composed of SBC (Styrene-Butad...
1. Hot Melt Adhesives – Coating Methods Hot melt adhesives are 100% solids, require heating to melt, and solidify upon cooling. They are solvent‑free and cure quickly, making them ideal for high‑speed production. Roll Coating How it works: Molten adhesive is transferred to the substrate via a heated gravure or applicator roll. Coating thickness is controlled by the roll’s surface pattern. Applicat...
Acrylic resin synthesis is fundamentally a free-radical polymerization process, consisting of chain initiation, chain propagation, and chain termination, often accompanied by chain transfer throughout the reaction. For thermoplastic acrylic resins, controlling molecular weight and molecular weight distribution is critical. While increasing molecular weight improves the mechanical properties o...
Water-based acrylics and oil-based acrylics are two distinct types of acrylics. But do you know what distinguishes them? Base Water-based Acrylic: The base for water-based acrylics is water. It is an acrylic coating that utilizes water as its solvent. Oil-based Acrylic: The base for oil-based acrylics consists of acrylic resins suspended in organic solvents. Drying Time Water-based ...
Choose the Right Adhesive: Making Packaging Both Beautiful and Durable The aesthetic appeal and durability of printed packaging hinge on a crucial—yet often overlooked—element: the adhesive used. From the everyday shipping boxes and food packaging we receive, to high-end gift sets for tobacco and spirits, every bonded joint relies on the support of specialized adhesives. Selecting the right adhesi...
Varnishing (Gloss Varnish / Matte Varnish) The primary difference between gloss varnish and matte varnish lies in their level of brightness. Varnishing involves applying a layer of clear lacquer over the printed surface to provide waterproofing, scratch resistance, and a high-gloss effect. It offers superior abrasion resistance and stain resistance, effectively preventing the surface ink from bein...
sinograce chemical
Sinograce Chemical is professional technical enterprise providing solutions of surface materials and manufacturing of raw materials. Sinograce Chemical Company is composed of R&D center, Manufacture center, Quality control department, Market center and International trade department. We have been dedicating to research on excellent paint/coating, adhesive for over 15 years. And now still conti...
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