Commonly used solvent types and analysis in the printing industry

1, pine perfume

Namely, 200# solvent gasoline, which is a product of petroleum separation, can dissolve rosin, glycerin stearate and alkyd resin, and can adjust metal and glass inks. Its solvent power is in the middle range and can be miscible with many organic solvents.

2, turpentine oil

It is a volatile part of the oil-containing turpentine extracted from pine trees. Turpentine has three isomers: alpha-pinene, beta-pinene, and bis-decene. It evaporates evenly. Due to the unsaturation in the molecular structure, it can produce oxidative polymerization, and it can form a component of film-forming substance that is dissolved in oil and resin. Turpentine oil evaporates evenly and has the effect of preventing crusting and improving leveling properties of oxidized polymeric inks.

3, xylene

Industrial xylene is a mixture of three different kinds of ortho, meta, and para positions. Xylene has a higher dissolving power than turpentine and pine perfume, and the volatilization rate is faster than both. It is widely used in high-temperature curable inks and oxidative polymerization inks.

4, toluene

It comes from the petrochemical or coal coke industry, toluene can dissolve ethyl cellulose, maleic anhydride resin, rubber, vinyl chloride, etc., can adjust the glass ink, metal ink.

5, ethanol

According to different uses, its purity is different, the purity of anhydrous ethanol is 99.5%, industrial ethanol is 95.6%, and pharmaceutical ethanol is 70% to 75%. Ethanol can dissolve many natural resins, such as: shellac, polyvinyl acetate, cyclohexanone resin, polyvinyl acetal resin (net-printing plate is used to make it with adhesive mesh), but the sensitivity of ethanol to solvent resistance Destructive effect of glue.

6, diacetone alcohol

The main product that is easily decomposed and decomposed is acetone, which can dissolve rosin, polyvinyl acetate, nitrocellulose, shellac, and chloroacetate copolymer resins.

7, acetone

It is an extremely volatile organic liquid that dissolves in the printing market of vinyl chloride resins, vinyl chloride vinegar copolymer resins, and chlorinated rubber. It has a destructive effect on solvent-resistant emulsion film. However, it is a good solvent for tackifiers.

8, cyclohexanone

Has very good solubility, in addition to some of the natural resin can be dissolved, many of the synthetic resin can be dissolved, and can be miscible with the vast majority of organic solvents, solvent solvent is a good solvent ink.

9, methyl ethyl ketone

It is similar to acetone, but it has a higher flash point and slower evaporation rate. It is soluble in water, ethanol, ether and hydrocarbons and oils.

10, isopropyl alcohol

It is soluble in water, ethanol, ether and chloroform.

11, butanol

It can dissolve many natural resins and synthetic resins, such as polyvinyl acetate resin, melamine resin, etc. Butanol and xylene can be used in high-temperature curing inks and epoxy inks in a ratio of 37.

12, ethyl acetate

It can dissolve ethyl cellulose, nitrocellulose, chlorided cypress, chloroacetate copolymer resin and so on.

13, butyl acetate

It can dissolve many synthetic resins, such as polyvinyl chloride resin, chloroacetic copolymer resin, chlorinated rubber, polyvinyl chloride resin, etc. It is a solvent for solvent evaporation type ink, but it is not suitable for use in summer printing because of its quick volatilization.

14, kerosene

Also known as flame oil, a colorless or light yellow transparent oily liquid, is a petroleum distribution product that can be used to produce printing paste.