{"id":89863,"date":"2023-08-07T17:22:40","date_gmt":"2023-08-07T15:22:40","guid":{"rendered":"https:\/\/gahzly.com\/%d8%b5%d9%86%d8%a7%d8%b9%d8%a7%d8%aa-%d8%a7%d9%84%d8%af%d9%87%d8%a7%d9%86%d8%a7%d8%aa\/"},"modified":"2023-12-06T16:57:07","modified_gmt":"2023-12-06T14:57:07","slug":"everything-you-need-to-know-about-paints-and-their-manufacture","status":"publish","type":"post","link":"https:\/\/gahzly.com\/en\/\u0645\u0642\u0627\u0644\/everything-you-need-to-know-about-paints-and-their-manufacture\/","title":{"rendered":"Everything you need to know about paints and their manufacture"},"content":{"rendered":"

Everything you need to know about paints and their manufacture<\/span><\/span><\/h2>\n
\"Everything
Everything you need to know about paints and their manufacture<\/span><\/span><\/figcaption><\/figure>\n

The history of the paint industry dates back to ancient times, when ancient people used natural materials to add color to the walls of dwellings and buildings. Learn everything you need to know about paints and their industry. With the advancement of technology and the development of chemical sciences, the paint industry has witnessed tremendous transformations, becoming a modern specialized field that combines art, engineering, and protection.<\/span><\/span><\/p>\n

\"Everything
Everything you need to know about paints and their manufacture<\/span><\/span><\/figcaption><\/figure>\n
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Paints are a mixture of insoluble substances suspended in a liquid medium, whether this liquid medium consists of a rich oil or a water-based emulsion. The liquid medium consists of a variety of substances, both organic and inorganic. Paint is characterized by the formation of a cohesive layer, known as a \u201cfilm\u201d, when it is exposed to air and undergoes reactions such as polymerization, oxidation or drying. This film has effective adhesion to the surface to be painted.<\/span><\/span><\/p>\n

Paints are generally classified into one of two main categories:<\/span><\/span><\/p>\n

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  1. Suspension oil paints:<\/span><\/span><\/strong> The liquid medium in them consists of heavy oil and is unsaturated in some of its bonds. This type of paint is used on various surfaces.<\/span><\/span><\/li>\n
  2. Water-based emulsion paints:<\/span><\/span><\/strong> Their emulsion medium consists of water, and therefore they are not considered suitable for use on metal or plastic surfaces due to their surface properties with water.<\/span><\/span><\/li>\n<\/ol>\n

    In general, paints are an essential part of improving the aesthetic appearance of surfaces and providing effective protection against environmental factors.<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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    Paint installation:<\/span><\/span><\/h2>\n
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    A- <\/span><\/span>Membrane components:<\/span><\/span><\/strong> Film components play a vital role in the formulation of paints, as they act as a carrier medium for the rest of the paint components and play the role of a binding agent. These ingredients can be natural or synthetic. In natural ingredients, this includes some resins such as Madagascar gum, Congo gum, and mastic gum, as well as casein and some vegetable oils such as linseed oil, soybean oil, coconut oil, and castor oil. These oils must meet certain specifications to be suitable for the paint industry.<\/span><\/span><\/p>\n

    In synthetic ingredients, this includes synthetic gums, tar, acrylic and urethane gums, alkyd gums, chlorinated rubber, and cellulose derivatives such as cellulose esters and butyrates.<\/span><\/span><\/p>\n

    B \u2013 <\/span><\/span>Viscosity reducers:<\/span><\/span><\/strong> Viscosity-reducing solvents are added to paints to reduce their viscosity and facilitate their preparation and application. These solvents must have certain properties such as a relatively low boiling point and high vapor pressure. Some common solvents include spirit of turpentine, heavy petroleum, xylol, carbon tetrachloride, and methylene chloride.<\/span><\/span><\/p>\n

    C \u2013 <\/span><\/span>Dehydration accelerators:<\/span><\/span><\/strong> Dehydration accelerators are used to accelerate the polymerization or oxidation process and the formation of the final film. Examples of dehydration accelerators include: some cobalt, manganese, and lead salts, and some resins, flax oil compounds, and pentaartritol.<\/span><\/span><\/p>\n

    Pentaartritol reacts with paint oils to form a durable network that enhances the mechanical properties of the polymerized film.<\/span><\/span><\/p>\n

    D \u2013 <\/span><\/span>Plasticizers:<\/span><\/span><\/strong> Some types of oils play an important role in increasing the plasticity of membranes after they dry. Used to make films flexible, they include galvania, castor oil, and diphthalate.<\/span><\/span><\/p>\n

    Sulfur is extracted from pine trees and is used in preparing paints and children’s toys that require flexibility.<\/span><\/span><\/p>\n

    * <\/span><\/span>Qalfuna:<\/span><\/span><\/strong> It is a substance extracted from pine trees, and is used in the manufacture of paints, children\u2019s toys, and insulation materials. Contains gum resin, wood resin and pine oil.<\/span><\/span><\/p>\n

    And \u2013 <\/span><\/span>Fillers:<\/span><\/span><\/strong> Fillers are used to give the paint the ability to cover and resist weather factors and to give it a sticky consistency. Materials used include kaolin, silica, gypsum, barite, titanium oxide, ammite, mica, zinc oxide, lead carbonate, calcium carbonate, and talc.<\/span><\/span><\/p>\n

    g – <\/span><\/span>Suspension stabilizers:<\/span><\/span><\/strong> Suspension stabilizers are added to maintain the stability of the suspension over time. Such materials include mineral soap for oil paints and ammonium soap for water-based paints.<\/span><\/span><\/p>\n

    E \u2013 <\/span><\/span>Colors:<\/span><\/span><\/strong> Colorants are added to give the paint an attractive color and improve its properties. Colorants must have effective coloring, good covering ability, and be non-toxic.<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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    Colorants and dyes in paint industries<\/span><\/span><\/h3>\n

    Colorants and pigments are an essential part of the paint industries, playing a vital role in determining the color, cosmetic and functional properties of paints. Colorants are usually sold in the form of a very fine, insoluble powder. These colorants are used in the paint industry as organic or inorganic materials, and are known as \u201ctomers.\u201d (Tomer), or it can be carried on inorganic carriers such as aluminum hydroxide, barium sulfate, or clay.<\/span><\/span><\/p>\n

    Colorants used in paints:<\/span><\/span><\/h4>\n
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    1. Lithopone:<\/span><\/span><\/strong>\n