Many problems in coating formulations may appear, on the surface, to be related to solvents, additives, pigments, application, or curing. In essence, however, they are often associated with the polarity matching of resins.
The same resin can be modified in different ways, and different resins can also achieve performance improvements through similar structural design strategies. For example, copolymerization can be used to adjust the glass transition temperature, Tg; grafting can improve the compatibility between ...
When problems occur in a coating formulation, it is not enough to look only at the surface symptoms. Issues such as foaming, cratering, sagging, floating and flooding, and poor application appearance can often be improved by adjusting additives, pigments and fillers, solvents, the rheological ...
After a waterborne coating is applied, water evaporation is only the beginning of the film-formation process. For emulsion-type resins and waterborne dispersions, the resin is usually dispersed in water in the form of polymer particles, colloidal particles, or resin microparticles. After ...
There is no “best” waterborne resin in an absolute sense. The key question is whether it is suitable for the target application. Different resins have different strengths in water resistance, weatherability, hardness, flexibility, adhesion, chemical resistance, application properties, cost, ...
Waterborne resin is the core source of performance in waterborne coatings, but the final coating film performance is not determined by the resin alone. The same waterborne resin may show completely different storage stability, application performance, film-forming behavior, and dry-film ...
Shellac is a natural resin of animal origin prepared from lac resin secreted by lac insects. The resin is collected, washed, melted, filtered, and then processed into sheets or crushed forms. Lac insects live on the branches of specific host trees, and their secretions can be processed into ...
Rosin, commonly referred to in English as rosin or colophony, is a natural resin derived from resin resources of pine and other coniferous trees, with resin acids as its main components. Based on source and production route, industrial rosin is commonly classified into three types.
In coating formulations, resins typically serve functions such as film formation, binding, adhesion, protection, and decoration. In its description of “resin,” the International Union of Pure and Applied Chemistry (IUPAC) notes that the term “resin” was originally used because of ...
Chlorinated rubber resin offers fast drying, one-component application, easy recoating, water resistance, salt resistance, and convenient maintenance. It is therefore commonly used in maintenance protective coatings, swimming pool coatings, road-marking coatings, and some industrial ...
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