Gloss rosin

Maleic acid and fumaric acid can also be, and are often, incorporated in alkyd resins in the form of the Diels-Alder adduct of rosin. The adducts are tribasic acids which provide pendent carboxyl groups in the resin molecules, which can be saponified to give ionic, and, in turn, water-soluble characteristics to the resin. However, the resultant alkyds often have poorer color retention, toughness, gloss retention, and exterior durabiUty. 

The alkyd resins are of value because of their comparatively low cost, durability, flexibility, gloss retention and reasonable heat resistance. Alkyd resins modified with rosin, phenolic resin, epoxy resins and monomers such as styrene are of current commercial importance. 

D C and external D C lakes These lakes are usually manufactured by precipitating a soluble dye onto an approved substrate. In the case of D C colors, the substrate may be alumina, blanc fixe, gloss white, titanium dioxide, zinc oxide, talc, rosin, aluminum benzoate, calcium carbonate, or any combination of these materials. 

Only a limited amount of resin can be added to white paints due to its intrinsic color. Addition of these hard resins increases the hardness and the gloss of the paint films, accelerates and improves the drying of oxidatively cross-linking alkyd resins, and optimises sanding properties and corrosion protection in putties. Modified phenolic resins have lost much of their importance because they have been replaced by more efficient binder systems (e.g., thermoplastic and cross-linkable acrylic resins, polyurethane systems). Rosin-modified phenolic resins are, however, still extremely important in the production of resins for printing inks. 

Chem. Descrip. Low-rosin grade fatty acid derived from tall oil Uses Surfactant raw material for mfg. of emulsifiers used in disinfectants, cleaners, detergents, air-drying and baking alkyds, gloss oils and varnishes, toy enamels, metallic driers, core oils, masonry cements, flotation reagents, metal cleaners Regulatory FDA approved... 

Chem. Descrip. Pentaerythrityl rosinate, internally plasticized, modified CAS 8050-26-8 EINECS/ELINCS 232-479-9 Uses Modifier resin used with variety of film-formers to impart/improve gloss, adhesion, toughness, and hardness in flexographic inks, spirit varnishes, conventional lacquers, specialty coatings and finishes food contact... 

Chem. Descrip. Condensation prod, based on substituted phenols and xylene formaldehyde resin, rosin-free Uses Additive, drying aid, gloss aid in alkyd coatings Features Solv.-free not rec. for wh. coatings Properties Pale bm. hard resin supplied as lozenges dens. = 1.1 g/cm (20 C) vise. 60 30 mPa s (50% in xylene, 23 C) soften, pt. 110 10 C acid no. 15 7... 

Gloss oil n. Solution of limed rosin or lined rosin acids in a volatile solvent, used chiefly in surface coatings (when made from tall oil, the source is usually indicated). 

Resins. Resins are used to increase the solid content of paints, and improve the gloss and adhesion to the surface. Commonly used resins include alkyd resins, epoxy resins, and rosin. 

A number of applications of modified rosin esters depend on a surface-gloss effect. Although such use in structural surface coatings has decreased over the years, numerous formulations still incorporate rosin esters for gloss, leveling flow, brushability, and other characteristics. The esters also contribute gloss character-... 

Alkyds with either rosin-maleic acid, maleic anhydride, or fumaric acid adducts as the polybasic acids are used in many low-cost coating applications, but the films from these resins do not have the color retention, toughness, adhesion, gloss retention, or exterior durability that the phthalic anhydride alkyds have. 

Unmodified rosins combine with fumaric acid and maleic anhydride in accordance with the Diels-Alder reaction to form tribasic adducts. The resulting polybasic acids are often used instead of phthalic anhydride in the production of alkyd resins for low-cost coatings. These rosin-derived, nonphthalate alkyds are used to improve gloss and other properties and are suitable mainly for interior coalings. They do not possess the high degree of outdoor durability characteristic of alkyd resins derived solely from phthalic anhydride. 

Rosin modified Faster surface drying, adhesion, wetting, gloss... 

Tall oil is not really an oil, but it is often used as an oil or combined with an oil and a resin. Tall oil is a combination of fatty acids and rosin. Normally, it is separated into its different ingredients for use. As a component in alkyds, the fatty acids produce vehicles similar to those made with soybean fatty acids. When limed, tall oil yields a low-cost, high-gloss liquid with poor flexibility that tends to yellow very badly on aging. 

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