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[Chemical Knowledge]：The difference between o-benzene and DOP-interpretation of the selection of plastic additives

Read： 747 Time：17months ago Source：Transform the World with Simplicity

As plastic additives, o-benzene and DOP play an important role in the production of plastic products. Although both belong to the category of plasticizers, there are some differences in their nature and use.

phthalate, full name phthalate, is one of the commonly used plasticizers. It has a good plasticizing effect, can effectively reduce the processing temperature of plastic products, improve its flexibility and ductility. Ortho-benzene is widely used in the production of PVC, PE, PS and other plastics, which can improve the processing performance and physical properties of plastics. In addition, o-benzene can also improve the low temperature resistance and weather resistance of plastic products.

DOP, full name bis (2-ethylhexenyl) acetate, is another commonly used plasticizer. Compared with o-benzene, DOP has better flexibility and ductility. It is a colorless and transparent liquid that is widely used as a plasticizer in the production of plastics. DOP is mainly used in the softening and toughening of plastic products, such as hoses, wires and cables, leather products, etc.

difference between ortho-benzene and DOP is mainly reflected in the following aspects:

1. different properties: ortho-benzene is a solid substance, while DOP is a liquid substance. This means that when used in the additive formulation, the o-benzene needs to be melted and dispersed, and the DOP can be added directly to the liquid formulation.

2. different physical properties: o-benzene plasticizing effect in plastic is better, providing flexibility and ductility is higher, to increase the toughness and cold resistance of plastic has a significant effect. The DOP has better flexibility and ductility, which can make the plastic surface smoother and increase the plasticity and processability of the plastic.

3. different fields of application: o-benzene is mainly used in the plasticization of rigid plastics, such as PVC pipes, wires and cables. DOP is mainly used for toughening and softening of soft plastics, such as PVC flooring, leather products, etc.

To sum up, although both o-benzene and DOP are plastic additives, there are some differences in properties, physical properties and application fields. When choosing and using, we should choose the appropriate additives according to the specific needs and the nature of the plastic products to achieve the best processing effect and product quality. I hope this article is helpful for you to understand the difference between o-benzene and DOP.

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