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The parameters of textile coating emulsion include appearance, viscosity, solid content, pH value, glass transition temperature (Tg), storage temperature and shelf life, etc. These parameters are crucial for evaluating the performance and application conditions of the emulsion. The following are some specific parameter descriptions: Appearance: The emulsion can be a milky white slightly ...
Water-based ink, also known as waterborne ink, is an ink that uses water as a solvent or dispersion medium. Its characteristics of "non-toxic, non-irritating, non-flammable, and non-explosive" are destined to have a broad development prospect. Performance of water-based ink 1. Viscosity Viscosity is a key physical parameter of water-based printing ink, which indicates the resistance...
Water-based ink is mainly a uniform paste composed of binders, pigments, additives and other substances. The binder is the core component of water-based ink. It not only serves to disperse colorants but is also a key factor influencing the performance of ink, determining its adhesion, water resistance, washability and solvent resistance, among other properties. There are t...
Acrylic emulsion is widely used in printing inks. Here are its main functions and advantages: Enhance adhesion Acrylic emulsion can form a strong bond with various substrates (such as PET, BOPP, PE plastic films and paper), ensuring that the ink does not come off easily after printing. It is particularly suitable for packaging printing. Enhance glossiness and color spreadability It can make the su...
Water based acrylic resin has many applications. Today, let's talk about one of them - water-based ink. 1. Water-based ink and solvent-based ink As is known to all, water-based ink has the advantages of being environmentally friendly, non-toxic, without irritating odors, and without corrosiveness. During use, it can be diluted directly with tap water, and is harmless to the environment and human b...
At present, water-based inks are mainly used for flexible and recessed plate printing. Among these, most of them are used in food packaging, tobacco and alcohol, pharmaceutical factories, and children's toys, occupying a considerable market share. Composition of water-based inks Water-based inks are made by compounding and grinding water-based resins, pigments, and solvents. Water-soluble resins m...
The performance of the ink mainly depends on the resin emulsion; for instance, the viscosity, adhesion, gloss, drying, and printing adaptability of the ink are mainly determined by the resin. Water-based inks use water-based acrylic copolymer resins, as these resins have significant advantages over alkyd resins, epoxy resins, and polyurethane resins in terms of gloss, weather resistance, heat...
Water-based inks are primarily composed of a uniform slurry of binders, pigments, and additives. The binder is a core component of water-based inks. It not only disperses the pigment but also plays a key role in influencing ink performance, determining adhesion, water and scrub resistance, and solvent resistance. Three common types of binders for water-based inks exist: water-soluble resins, hydro...
Product Description SW7541,SW7542,SW7543 is a modified, fluorine-free, waterproof paper coating emulsion based on a specialized polymer system. It offers excellent heat-activated adhesion and printability, as well as excellent oil and grease resistance. It is proven biodegradable in industrial composting environments and meets FDA food contact regulations, making it an ideal choice for paper ...
In the printing industry, the demands for waterborne coating performance, especially high-gloss applications, are increasingly stringent. Single-component waterborne acrylic emulsion systems often suffer from limitations in balancing key performance characteristics when meeting high-end requirements. To address this, Sinograce Chemical has developed a high-performance emulsion combinatio...
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 ...
In flexographic printing, the performance of waterborne polymers and resin systems directly affects ink stability, color consistency, adhesion, and production efficiency. Traditional water-based inks may cause anilox roller clogging during long production runs, leading to unstable ink transfer and interrupted printing. In comparison, UV flexographic inks cure instantly under UV light, helping redu...
Printing varnish plays a multifaceted and crucial role in the post-press processing of printed materials, primarily encompassing the following points: Enhancing Visual Appeal Increased Gloss: It renders the surface of printed materials smooth and lustrous, enhancing color saturation and contrast, making images and text sharper and more striking, and thereby boosting overall visual appeal. Creating...
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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