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Chlorinated Solvent There Are Many Varieties

Chlorinated Solvent Paint in the application of life is very wide, and there are many varieties of paint, related to the solvent there are many kinds. So what are the solvents used in the paint?

First, aliphatic hydrocarbons

Second, alicyclic hydrocarbons

(L) cyclohexane. Colorless and transparent, gasoline flavor liquid. Compatible with most organic solvents, but insoluble in methanol, dimethylformamide and solvents with similar polarities.

(2) methylcyclohexane. Similar to cyclohexane but less volatile.

(3) 1,2,3,4-tetrahydronaphthalene. Colorless liquid, smell such as naphthalene, insoluble in water, and all commonly used organic solvents compatible.

(4) decahydronaphthalene. Colorless solvent, with a pungent odor and high volatility, the dissolution of slightly lower than tetrahydronaphthalene.

Third, aromatic hydrocarbons

(1) toluene. Mainly used for nitrocellulose paint, based on urea-formaldehyde resin, melamine formaldehyde resin or phenolic resin heat curing paint, alkyd paint and chlorinated rubber paint.

(2) xylene. Usually containing a small amount of toluene and a greater amount of vinyl benzene. In the paint industry, xylene is the most important aromatic solvent.

(3) ethylbenzene. Appearance transparent, characteristic odor, compatible with all organic solvents, but insoluble in water.

(4) styrene. A colorless liquid is used as a solvent for an unsaturated polyester resin.

4.Chlorinated Solvent Terpene hydrocarbons and terpenoids

(1) turpentine. It is the product of the tree juice obtained after the pine resin is collected.

(2) tung oil. For a yellow acidic liquid, the smell is not easy, only suitable for dark paint and varnish solvent.

(3) Timber turpentine. Its nature and the wood pulp in the health of the formation of sulfuric acid turpentine oil similar.

 Five, chlorinated hydrocarbons

(1) dichloromethane. Colorless high volatile neutral liquid, a special smell, insoluble in water, but with the organic solvent immiscibility.

(2) trichloromethane. Has a strong anesthetic effect, not widely used.

(3) 1,2-dichloroethane. Is one of the most stable chlorinated hydrocarbons, the fat, oil, resin, rubber, asphalt and tar pitch have a good solubility.

(4) 1,1,2,2-tetrachloroethane. It is a good solvent for resin, rubber and cellulose acetate. Because of its potential for health hazards, so there is a certain limit of use.

(5) 1,1,1-trichloroethane. Do not dissolve in water, but with the organic solvent immiscibility. Can dissolve fat, oil, resin, wax and asphalt.

(6) trichlorethylene. Do not dissolve in water, but with the organic solvent immiscibility. It dissolves fat, oil, wax, rubber and many resins can also be used as solvents and extractants.

(7) 1,2-dichloropropane. Is a solvent for asphalt, tar pitch, building protectants and roof linoleum.

(8) chlorobenzene. Is a colorless neutral liquid, with a weaker smell like benzene. Do not dissolve in water, can be miscible with organic solvents.

Chlorinated Solvent Six, alcohol

(1) methanol. Colorless transparent with a special smell of liquid.

(2) ethanol. It is colorless and transparent, with a special pleasant odor. It can be miscible with water. It is easily miscible with many organic solvents such as ether, hydrocarbon, acid, ester, ketone, carbon disulfide, ethylene glycol and other alcohols.

(3) isopropanol. Colorless liquid, with water and commonly used organic solvents can be any miscible, with water and many organic solvents to form binary or Chlorinated Solvent ternary azeotrope.

(4) butanol. Colorless neutral liquid, and water compatibility is limited, with a special smell, and organic solvent immiscibility.

(5) isobutanol. Colorless, neutral liquid, with a special smell. It is confused with water.

(6) sec-butanol. Mint flavors are much more soluble in water than in butanol, and are limited in their use as solvents. It is often used as a paint remover, alcohol-soluble varnish and printing ink in the solvent.

(7) tert-butanol. Colorless liquid, solid at room temperature, soluble in most organic solvents such as alcohols, ethers, ketones, esters and hydrocarbons, with water can be any miscibility, and water azeotrope at room temperature for the liquid




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