When working with water based acrylic polymers, you will surely come across acrylic polymer emulsions. To better understand what exactly an acrylic polymer emulsion is, we should first look at what emulsions are.
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The word &#;emulsion&#; is derived from the Latin word meaning &#;to milk&#;, as milk is technically an emulsion of fat and water. Emulsions are a mixture of two or more liquids that aren&#;t normally mixable. Within an emulsion, one liquid, known as the dispersed phase, is dispersed within the other, known as the continuous phase. The two liquids can form different types of emulsions, as in oil-in-water or water-in oil. Some easily identifiable examples of emulsions are vinaigrettes, mayonnaise, and homogenized milk. Emulsions usually do not exhibit a static structure, as they are liquids.
Next, we need to take a look at polymers. A polymer is defined as a large molecule composed of many repeating subunits. Both natural and synthetic polymers are an essential part of everyday life. From familiar synthetic plastics, like polystyrene, to natural biopolymers such as DNA and the proteins that are fundamental building blocks of all biological life on earth. When working with water based acrylic polymers, polymer coatings, and acrylic polymer emulsions, we find ourselves on the synthetic side of the polymer world.
This brings us to acrylics. Acrylic resins are a group of thermoplastic substances derived from acrylic acid, methacrylic acid, and other related compounds. More specifically, polymethyl acrylate is an acrylic resin used in its emulsified form for textile finishes, adhesives, lacquer, and other related products. Acrylic resins offer a huge advantage when used as an ingredient in paint. They are commonly the main ingredient in latex paint (known as &#;emulsion paint&#; in the UK). Both interior and exterior paints that have a greater portion of acrylic resin, versus vinyl, provide greater resistance to water, better stain protection, better adhesion, greater resistance to blistering and cracking, and resistance to alkali cleaners. Acrylic resin is considered to be extremely waterproof, making it ideal for application to outdoor appliances and furniture. In its solid form, acrylic resin can last for decades, and will not yellow when exposed to sunlight.
Acrylic polymer emulsions and other water based acrylic polymer products are important tools for the graphic arts and industrial coating industries. Gellner Industrial produce a line of specialty resins that can be utilized for a wide range of applications in these industries. These resins are formulated with a precise blend of water-based polymers, and provide superior results when used in water base coatings and printing inks. For any questions, comments, concerns, inquiries, or information of availability and pricing, contact us at or 570-668-.
An acrylate polymer (also known as acrylic or polyacrylate) is any of a group of polymers prepared from acrylate monomers. These plastics are noted for their transparency, resistance to breakage, and elasticity.
Acrylate polymer is commonly used in cosmetics, such as nail polish, as an adhesive.[1]
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The first synthesis of acrylic polymer was reported by G. W. A. Kahlbaum in .[2]
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Acrylic elastomer is a general term for a type of synthetic rubber whose primary component is acrylic acid alkylester (ethyl or butyl ester).[3] Acrylic elastomer possesses characteristics of heat and oil resistance, with the ability to withstand temperatures of 170&#;180 °C. It is used primarily for producing oil seals and packaging related to automobiles.
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Acrylic elastomer can generally be characterized as one of two types. "Old" types include ACM (copolymer of acrylic acid ester and 2-chloroethyl vinyl ether) containing chlorine and ANM (copolymer of acrylic acid ester and acrylonitrile) without chloride. "New" types do not contain chlorine and are less prone to mold-related staining. Other than the slightly better water resistance of ANM there are no physical differences between the two types.
The material is less resistant in terms of cold weather with a saturation point of &#;15 °C for old types and &#;28 °C to &#;30 °C for new types. In terms of vulcanization, the standard method for the old type is amine vulcanization. To minimize permanent deformation, the old type requires curing for 24 hours at a temperature of 150 °C. On the other hand, for the new type, the press curing time and follow-up vulcanization time are significantly reduced by combining metal soap and sulfur. It has no special characteristics. The rebound resilience and abrasion resistance of the new type are poor, and even its electrical characteristics are considerably poor compared with acrylonitrile-butadiene rubber and butyl rubber.
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