How to distinguish between the coating, paint, water-based paint, and latex paint-Iota

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Service > How to distinguish between the coating, paint, water-based paint, and latex paint

How to distinguish between the coating, paint, water-based paint, and latex paint

A, concept

Coating to the surface to form a protective liquids or collectively, decorative or special properties (such as insulation, corrosion, signs, etc.) of the solid coating of solid material. Including oil (sexual) paint, water-based paint, powder coating. Flowable liquid paint coating. Including oil (sexual) paint and water-based paint. Paint with organic solvent as the medium or high solids, solvent oil paint. Water-based paint can be dissolved in water or water-dispersible coating. (Water-based Wood, latex) latex paint, also known as synthetic resin emulsion paint, is a synthetic resin emulsion as the base material added pigments, fillers and various additives formulated a class of water-based paint.

B, paint classification

1, according to different parts
Paint is divided into paint, wood and metallic paint. Including the exterior wall paint, interior wall and top coat, it is mainly paint and other varieties, mainly painted wood lacquer, polyurethane paint, etc., metallic paint mainly enamel.
2, according to the state of different
Paint can be divided into water-based paint and oil paint. Latex paint is water-based primary, and lacquer, paint and other polyester ammonia mostly oil paint. Latex is a common water-based paint. However, water-based latex paint and often said that there is a difference. We usually refer to water-based paint is water-based paint means Wood class. (Brushing the surface of the furniture plate, paint the floor like a class). Water-based paint is water as a diluent liquid coating. Traditional oil-based paint and paint the biggest difference is that the water-based paints do not need to add any curing agents, diluents, just water to reconcile, and therefore does not contain formaldehyde, benzene, xylene and other harmful substances, thus eliminating the potential air pollution . Currently in Europe and other developed countries, it has replaced oil paint, penetration has reached 90%. It is a more environmentally friendly paint. With the growing awareness of environmental protection. More and more owners about water-based paint, water-based paint understanding. Use water-based paint. Water-soluble coating may be referred done on the wood, it is the wood of improved varieties. Latex paint can be dissolved in water, but only paint on the wall is done.

C, top ten paint on the common market
Varieties and Characteristics
1, acrylic latex paint: acrylic paint generally consists of an acrylic emulsion, fillers, water, additives components. A moderate cost, excellent weatherability, performance scalability, and no organic solvent release, etc., is the recent very rapid development of a class of paint products. Mainly used for interior and exterior paint, leather painting of buildings and so on. Wood recently appeared with latex paint, self-crosslinking latex paint and other new varieties. Acrylic paint can be divided according to the different acrylic emulsions, styrene, silicone-acrylic, vinegar C class varieties.

2, solvent-based acrylic paint: solvent-based acrylic paint with excellent weather resistance, high mechanical properties, is the rapid development of a class of paint. Solvent-based acrylic paint can be divided into self-drying acrylic paint (thermoplastic) and crosslinking acrylic paint (heatset), the former is a non-conversion coating, which belongs to the conversion coating. Self-drying acrylic paint is mainly used in architectural coatings, plastic coatings, electronics coatings, road marking paints, etc., with table dry fast, easy construction, protection and decoration obvious advantages. The disadvantage is not easy high solids content, hardness, elasticity is not easy to balance, a construction can not be very thick coating, coating fullness ideal. Crosslinking acrylic coatings are mainly acrylic amino paint, acrylic urethane paint, acrylic alkyd, radiation curable acrylic coatings and other varieties. Widely used in automotive coatings, appliance paint, coatings, architectural coatings and so on. Crosslinking acrylic coatings generally have a high solids content, a painting can be very thick coating, and excellent mechanical properties, can be made into high weather resistance, high fullness, high flexibility, high hardness of the coating. The disadvantage is a two-component coatings, construction is too much trouble, and many varieties also require heat curing or radiation curing of environmental conditions is relatively high, generally require better equipment, more skilled painting techniques.
3, polyurethane paint: polyurethane coating is the more common type of paint can be divided into two-component polyurethane coatings and one-component polyurethane coatings. Two-component polyurethane coatings are generally isocyanate prepolymers (also known as low-molecular urethane polymer) and a hydroxyl-containing resin composed of two parts, commonly referred to as the main agent component and a component of the curing agent. Many varieties of this type of paint, a wide range of applications, according to the hydroxyl-containing component can be divided into varieties of acrylic urethane, polyester urethane alkyd polyurethane, polyether polyurethane, epoxy and polyurethane. Generally have good mechanical properties, high solids content, all aspects of performance are better. It is a class of promising varieties of paint. The main application direction coatings, automotive refinish coatings, anti-corrosion coatings, floor coatings, electronics coatings, specialty coatings. The disadvantage is that the construction process is complicated and demanding construction environment, the film prone ills. One-component polyurethane coatings are mainly oil paint polyurethane, moisture curing polyurethane coatings, blocked polyurethane coatings and other varieties. Wide application surface is better two-component coating, mainly used for floor coatings, anti-corrosion coatings, coil coatings Pre, with its overall performance than a comprehensive two-component coating.

4, lacquer: lacquers is the more common wood and decorated with paint. The advantage is better decorative effect, simple construction, dry quickly, do not ask for painting environment, with better hardness and brightness, less prone to film defects, repair easily. The disadvantage is that low solids content, more number of road construction needed to achieve better results; durability is not very good, especially in the use lacquer, its gloss and color retention is bad, it is easy to use a little longer situations such as loss of light, cracking, discoloration and other ills; film protective effect is not good, intolerance organic solvents, heat, corrosion intolerance. Lacquers main film material is nitrocellulose-based, with alkyd resins, modified rosin resin, acrylic resin, amino resin, hard and soft resin composed. Usually you need to add dibutyl phthalate, dioctyl, castor oil and other plasticizers. There are really solvent solvent esters, ketones, ethers, etc., alcohol and other co-solvents, and benzene and other diluent. Lacquers mainly for wood and furniture, painting, home improvement, general decorative coating, metal coating, painting and other general aspects of cement.
5, epoxy paint epoxy paint is very rapid development in recent years a class of industrial coatings, in general, the composition containing paint more epoxy groups collectively referred to as epoxy paint. The main varieties are two-component epoxy paint coatings, epoxy resin and a curing agent. There are also other mono-component self-dry varieties, but its performance and two-component coatings are more certain gap. The main advantage of epoxy paint is strong adhesion cement, metal and other inorganic materials; paint itself is very resistant to corrosion; excellent mechanical properties, abrasion resistance, impact resistance; can be made solvent-free or high-solids coatings; resistant to organic solvents, heat, water; non-toxic coating. The disadvantage is that the weather is bad, the sunlight for a long time there may be chalking phenomenon, which can only be used in the primer or paint; decorative poor gloss easy to maintain; high environmental requirements for the construction, at a low temperature coating curing slow, ineffective; many varieties require high temperature curing, the larger investment painting equipment. Epoxy floor coating is mainly used for automobile paint, metal corrosion, chemical corrosion and other aspects.
6, amino paint: amino paint is mainly composed of two parts, one of which is an amino resin component, mainly ether of melamine formaldehyde resin, methylated melamine formaldehyde resin, urea-formaldehyde resin butyl ether resin. The other is hydroxy resin portion, mainly in the short oil alkyd resin, acrylic resin containing hydroxyl and epoxy resins. Amino paint in addition to urea-formaldehyde resin lacquer for wood coatings (commonly known as acid-curing paint), the main varieties require heat curing, curing temperatures are generally above 100 ℃, curing time of 20 minutes or more. Excellent film properties after curing, the film hard plump, shiny bright, solid durable, has a good decorative effect and protection. The disadvantage is the higher requirements for coating equipment, high energy consumption, is not suitable for small-scale production. Amino paint is mainly used for coating automotive finishes, furniture painting, home appliances coating, metal surface coating, instrumentation and industrial equipment.
7, alkyd: alkyd resin is mainly composed of alkyd. It is currently the largest domestic production of a class of paint. Is cheap, simple construction, for less demanding construction environment, hard coating fullness, durability and weather resistance, decorative and protective advantages are better. The disadvantage is slow drying, the film is not easy to achieve higher requirements, not suitable for high decorative applications. Alkyd mainly used for general carpentry, furniture and home decoration painting, general metal decorative painting, demanding metal anti-corrosion coating, general farm machinery, automotive, instrumentation, industrial equipment and other aspects of painting.

8, unsaturated polyester paint: Unsaturated polyester paint is the recent rapid development of a class of paint, into dry gas and radiation curing of unsaturated polyester (light-curing) unsaturated polyester two categories. The main advantage is that can be made solvent-free coatings, a brushing of the film can be thicker, less demanding on the temperature of the coating, and good decorative effect paint, paint film is tough wear-resistant, easy to maintain. The disadvantage is that the film shrinkage greater adhesion to the substrate is prone to problems when cured, air-drying unsaturated polyester generally require polishing treatment procedures are more cumbersome, radiation curing of unsaturated polyester coating equipment requirements more high, it is not suitable for small-scale production. Unsaturated polyester paint mainly used for furniture, wooden floors, metal corrosion and other aspects.
9, vinyl paint: paint vinyl acetate copolymer resin varnish include chlorine, polyvinyl butyral paint, polyvinylidene chloride, vinyl chloride, chlorosulfonated polyethylene paint and other varieties. The main advantages of vinyl paint is weather, chemical resistance, water resistance, insulation, mildew, good flexibility. The disadvantage is mainly manifested in the heat resistance in general, not be processed into high-solids coatings, mechanical properties, in general, poor performance decorative aspect. Vinyl paint mainly for industrial anti-corrosion coatings, electrical insulating coating, phosphate primer, metallic paint, exterior paints and so on.
10, phenolic paint: phenolic resin is a phenol and an aldehyde in the presence of a catalyst of the condensation product. Paint industry mainly paints oil-soluble phenolic resin. Advantages phenolic paint is fast drying, hard and bright film, water resistance and good chemical resistance. The disadvantage is that easy to turn yellow, not made of light-colored paint, poor weather resistance. Phenolic paint is mainly used in anti-corrosion coatings, insulation coatings, general metal coatings, general decorative paints and so on.

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