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Water-based polyurethane textile coating technology is widely used in the textile industry, with different coating methods suitable for different production needs and product functions. The following details five main water-based polyurethane coating methods, including their principles, advantages, and typical application areas. Dip Coating Dip coating is a basic and effective water-based polyuret...
Water-based Acrylic Resin PA-8223 PA-8224 PA-8220 Application Industries Water-based inks, pigment grinding, water-based varnishes Application Features 1. Wide applicability, excellent wetting and color development properties for different pigments; 2. High pigment-to-binder ratio, low viscosity; 3. Improves system re-solubility, hardness and gloss, high transfer rate; 4. Good storage stability. B...
Acrylic resins used in adhesives and acrylic resins used in coatings differ in the following aspects: Performance Characteristics Acrylic Resins for Adhesives High Bonding Strength Requires strong adhesion between different materials, requiring rapid curing and sufficient cohesive and adhesive strength. For example, α-cyanoacrylate adhesives can cure in seconds for rapid bonding. Good Flexibility ...
Environmental Friendliness: Water-based acrylic resins use water as a solvent and do not produce harmful gases or pollutants during use, meeting environmental protection requirements. Weather Resistance: They have good weather resistance and can be used under various climatic conditions, being less susceptible to the effects of ultraviolet light, oxygen, and humidity. Good Adhesion:...
01 Polyurethane The structure of polyurethane is formed by the reaction of polyisocyanates (e.g., diisocyanate OCN-R-NCO) and polyols (e.g., diol HO-R-OH), where urethane segments are repeating structural units. Polyurethane structures have structures similar to amide and ester groups; therefore, the chemical and physical properties of polyurethane are between those of polyamides and polyesters. S...
Acrylic resins constitute a broad category of synthetic polymers produced through the copolymerization of acrylate monomers (such as methyl acrylate, ethyl acrylate, butyl acrylate, hydroxyethyl acrylate, etc.) and methacrylate monomers (such as methyl methacrylate—commonly known as the monomer for organic glass or PMMA). I. Core Characteristics and Advantages Excellent Film-Forming Properties: Ca...
Leveraging their exceptional surface modification capabilities, water-based acrylic emulsions enhance both the physical properties and printability of coatings applied to paper. When incorporated into a formulation and applied to the paper surface, they form a protective film that improves surface strength, water resistance, and smoothness, while simultaneously reducing ink penetration t...
Water-based acrylic emulsion is a polymeric emulsion material that utilizes water as its dispersion medium. It is produced through an emulsion polymerization reaction involving vinyl monomers, primarily acrylic esters. Key Features: Environmental Friendliness: With water serving as the dispersion medium, it features extremely low levels of Volatile Organic Compounds (VOCs); it is no...
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...
In the coatings industry, pure acrylic emulsion and acrylic emulsion (typically meaning styrene-acrylic) are two common waterborne binders. Their main differences lie in composition, performance, and application. 1. Composition Pure acrylic emulsion: Made from 100% acrylic monomers (e.g., butyl acrylate, methyl methacrylate). Acrylic emulsion (styrene-acrylic): Copolymer of styrene and acrylic mon...
Classified by Raw Materials Vinyl Acetate Latex Paint Vinyl acetate latex paint refers to a category of latex coatings produced from polyvinyl acetate emulsion, combined with pigments, fillers, and various additives. This type of coating features strong adhesion, good flow properties, and low production costs. However, it is characterized by high brittleness, necessitating the addition of external...
In the printing industry, overprint varnish and clear varnish are often mentioned together. While they are closely related, they differ in definition, composition, application, and performance. Definition and Scope Overprint Varnish Overprint varnish refers to a transparent coating applied to the surface of printed materials. It is typically composed of synthetic resins, solvents, and ad...
Water-based Clear Primer for Printing: Addressing Insufficient Ink Adhesion on Gold and Silver Cardboard The use of a water-based clear primer on gold and silver cardboard to resolve issues of insufficient ink adhesion is achieved primarily through the following mechanisms: Improving Surface Tension The surface of gold and silver cardboard is typically smooth and possesses low ...
Water-based varnishes are classified as eco-friendly products; the primary solvents used in their formulation are water and various alcohols, ensuring that their volatile components do not pollute the environment. The development of water-based varnishes has gained momentum in recent years, driven by the growing public demand for environmental protection. The process of applying varnish essentiall...
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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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