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What Is a Plasticizer?

Jul. 10, 2020
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Eco-Plasticizer, also known as plasticizer, is a polymer material additive added to polymer materials to increase its plasticity. According to the different application fields and methods of use, it is divided into external plasticization (physical method) and internal plasticization (chemical method).

The principle of the plasticizer is to weaken the secondary bond between the resin molecules, increase the mobility and plasticity of the molecules, reduce the crystallinity, and make it more flexible for easy processing. Because it can improve the performance of polymer materials, reduce production costs, improve production efficiency and other advantages, it is widely used in food packaging, cosmetics, medical equipment and other industrial production.

Adipic Acid Dioctyl Ester

Adipic Acid Dioctyl Ester

What are the common plasticizers?

Di (2-ethylhexyl) sebacate (DOS): also known as Dioctyl sebacate (DOS). It is a cold-resistant plasticizer, suitable for making cold-resistant wire and cable materials, artificial leather, lubricants for jet engines, etc. This product is non-toxic and can also be used as food packaging materials.

Adipic acid dioctyl ester (DOA): typical cold-resistant plasticizer, soluble in organic solvents such as alcohols, ethers, gasoline, toluene, etc., insoluble in water. Often used with DOP, DBP and other main plasticizers and used in cold-resistant agricultural films, artificial leather, outdoor water pipes and other materials, it can give products good low-temperature flexibility and light resistance, and the products have a good hand feel. This product is toxic. Special care must be taken to avoid heat, light, water, and prevent leakage during storage.

Dibutyl sebacate (DBS): also called di-n-butyl sebacate, a cold-resistant plasticizer, soluble in most organic solvents, and can be used with polyvinyl chloride, polystyrene, nitrocellulose, phenolic resin, etc. Compatible with many resins. This product is non-toxic, can be used for food packaging materials, also used as a lubricant for rubber, cables and synthetic jet engines;

Di-n-butyl adipate (DBA): Insoluble in water, soluble in organic solvents such as alcohols and ethers. It can be used as a plasticizer for vinyl resin, cellulose resin, PVC and synthetic rubber. It can also be used as a nitrocellulose coating.

Dibutyl phthalate (DBP): colorless or light yellow transparent oily liquid is miscible with alcohols and ethers, has good compatibility with plastic resins, its volatility is small, non-toxic, and has Good stability and insulation, mainly used for plasticizing of plastics, rubber, paints, and as lubricants, emulsifiers, meteorological chromatographic fixatives and high boiling point solvents.

 


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