Coating industry on the composition of coatings

Formulation Composition of Coatings:

Coatings are generally composed of four basic ingredients: film-forming substances (resins, emulsions), pigments (including filled pigments), solvents and additives (auxiliaries).

1. film-forming substances are important components of the coating film, including oil, oil-processed products, cellulose derivatives, natural resins, synthetic resins and synthetic emulsions.

2. additives such as antifoam agents, levelling agents, and some special functional additives such as substrate wetting agents. These additives generally can not form a film, add a small amount, but they play a very important role in the process and durability of the coating film formed by the substrate.

3. pigments are generally divided into two kinds, one is colouring pigment, common titanium dioxide, chrome yellow and so on; the other is filling pigment, which is what we often call filler, such as calcium carbonate, talc and so on.

4. Solvents include hydrocarbons.

Coatings belong to organic chemical polymer materials, and the coating film formed belongs to the type of polymer compounds. According to the modern classification of chemical products, coatings belong to fine chemicals. Modern coatings are gradually becoming a class of multifunctional engineering materials and an important industry in the chemical industry.

There are four main functions: protection, decoration, cover up product defects and other special functions, for home decoration and protection as well as personalisation, beautification has a great help to improve the value of the product.

Accompanied by the development of various sectors of the national economy, as a support tool for the paint industry, from a very inconspicuous small industry, and gradually developed into an indispensable and important industry in various fields of the national economy. After several generations of hard work, China has become the world's second largest producer and consumer of coatings, has entered the mainstream of the world's coatings industry. Under the development and progress of society, there have been many branches of classification.

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