What are the raw materials of nitrocellulose coatings?

It is recommended to choose a polymer dispersant, which has little impact on the subsequent process links and the gloss and water resistance of the coating. Coating additives, including substrate wetting agents, dispersants, defoamers, wetting leveling agents; Its characteristics are as follows: Substrate wetting agent:

The substrate wetting agent is mainly based on alkyne glycol surfactant and isomeric alcohol polyether components, which has low foaming and effectively controls the dynamic surface tension of the water-based system, ensures the good wetting of the substrate by the water-based coating, prevents shrinkage and porosity, and obtains a continuous and complete coating surface. Dispersants: Dispersants include wetting and dispersing agents, such as FS-204, FS-683, LFS-209, etc., which can quickly wet pigments and achieve deflocculation; Dispersants also include flocculant control agents, such as DS-192N for universal use, DS-195LS, DS-172, DS-191 193, HD-20 series....

The raw materials of nitrocellulose coatings are mainly:

nitrocellulose, butyl acetate;

The commonly used solvent is a micron-sized solution of alumina.

Each glucose unit in the cellulose molecule contains three free hydroxyl groups, which are converted to nitrocellulose when treated with concentrated nitric acid and concentrated sulfuric acid. It is yellowish in color and looks like fibers. It is generally expressed as [C6H7O2(ONo2)3]n.

Insoluble in water, soluble in methanol, acetone, glacial acetic acid, etc., slightly soluble in 1 3 (volume) ethanol-ether mixed solvent. Dried nitrocellulose is very sensitive and is immediately subjected to friction or impact**. The water content has a great impact on its detonation, it can be detonated instantaneously when the water content is 1% 2%, and it can barely be detonated when the water content is 7%, and it does not burn when the water content is higher than 20%; Decomposition occurs with long-term exposure to sunlight.

Do you want its formula? I'll sell you a mature. Contact;

The role of cellulose in coatings is to have good thickening, suspension, dispersion, emulsification, bonding, film formation, moisture protection and providing protective colloids. From a performance and cost perspective, no more suitable fit has been found.

The following are reference materials.

Lignocellulose.

Hydroxypropyl cellulose.

Carboxymethyl cellulose.

Sodiumphenylacrylic emulsion.

Polyanionic cellulose.

Polyvinyl propylene glycol.

Sodium polyacrylate ethylcellulose.

Methylcellulose.

Calcium thioglycol, polyethylene glycol, hydroxypropyl methylcellulose, detailed content, please visit China Paint Coating Network.

Leshibang paint manufacturers direct sales, in the case of Leshibang paint manufacturers:

Generally, if you do engineering paint, you can use it directly without adding cellulose.

If you want to make commercial paint, it is best to add, cellulose is made of cotton, which is similar to a network structure, which can indeed prevent precipitation.

Without cellulose, you can also use a variety of thickening combinations, such as the combination of rheological and thixotropic types.

Repham Paint is an environmentally friendly smart coating.

Cellulose should be to increase the hardness of the paint.

The role of cellulose in coatings: thickener Cellulose for coatings has good thickening, suspension, dispersion, emulsification, bonding, film formation, moisture protection and providing protective colloids. From a performance and cost perspective, no more suitable fit has been found.

The role of cellulose in water-based coatings can improve the production process, improve product performance, improve the construction performance of coatings, reduce pollution to the environment, develop special functions of new coatings, and launch water-based coatings with various functions. Although the vast majority of additives are used in coatings in a relatively small proportion, they often play a key role in improving and improving the performance of coatings and coating films, so they are increasingly valued by the industry. In some products, it is even inseparable from it, and there are many varieties of coating additives due to their different functions.

It plays a role in enhancing the toughness of coatings!!

The paint generally has fibers, which improve water retention, leveling, and other coating properties, and belong to slow-drying coatings.

As for the strength, there is no big connection, the strength is mainly the amount of synthetic resin, additives.