WO2014000655A1 - Styrene-acrylic emulsion and preparation method and use thereof
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Oil paint films become more brittle with age, often cracking or powdering as they continue to oxidize, but dried films of acrylic polymer paint appear to remain very flexible. Tests performed since 1960 indicate that the acrylic films do not darken progressively with age, whereas films using linseed oil as a binder must, to some extent, suffer some discoloration. Because the binder and painting mediums dry to clear colorless films, and the colors of the pigments are not changed by this binder as they are by such media as the linseed oils, the paints yield tones of great clarity and intensity. Although some samples of paint hardened in the containers during the years when the products first appeared on the market, most of the colors sold today keep reasonably well for water-thinned paints, and they are not harmed in their containers by cold temperatures. Used straight from the tube or jar, the paints usually dry with a slight gloss, but the degree of gloss or dullness can be controlled by use of one of the acrylic polymer painting mediums. Like most water-thinned paints, the acrylic polymer emulsions dry quickly, but unlike other water paints they harden to a film that is highly resistant to water. The drying process does not involve oxidation. This material is milky white when liquid, but when it is painted out in a thin layer the water in the emulsion evaporates, and a clear film is formed. The binders and the polymer painting mediums are based on an acrylic emulsion such as the one produced under the brand name Rhoplex AC-234. The artist thins these paints either with water or with one of the mediums supplied for this purpose by the manufacturer. The manufacturers sell their paints packaged in metal roll-up tubes, polyethylene squeeze bottles, and glass or plastic jars ranging in capacity from two ounces to one gallon. Some of the well-known trade names for these colors are Liguitex, Aquatec, and Politec.
Acrylic Emulsion PaintsĪcrylic Emulsion Paints - Studio Manufacture of Acrylic Emulsion Paints - Color Lists - Tools and Equipment - Thinners, Painting Mediums, and Additives - Supports and Grounds - Painting Methods - Collage - Care and DisplayĪrtists' colors utilizing an acrylic polymer emulsion as a binder have been on the market since the early 1950s. Prepared Artists' Materials - Polyvinyl Acetate Emulsion - Acrylic Emulsion Paints - Acrylic Solution Paints - Alkyd Resin Medium MATERIALS & METHODS - Painting - Sythetic Resin PaintsĪcrylic Resins - Alkyd Resins - Cellulose Acetate - Cellulose Nitrate - Synthetics in Artists' Materials - Vinyl Resins