How to make the combination of chemical raw material plasticizer and resin the best?

Under what conditions, the combination of chemical raw materials plasticizer and resin can achieve the best results, please see below:
(1) Good compatibility This is the basic requirement for environmentally friendly plasticizers. By good compatibility, it is meant that the polymer can hold as much plasticizer as possible. And form a uniform, stable system. Without phase separation, no seepage occurs.
Good compatibility is the basic requirement for plasticizers for chemical raw materials. A good compatibility means that the polymer can hold as much plasticizer as possible. And form a uniform, stable system.
(2) Good durability is a comprehensive performance index for measuring plasticizers of chemical raw materials, including low volatility, migration resistance, low extraction, heat resistance, light and heat stability.
1, volatility refers to the ability of chemical raw materials plasticizer to volatilize from the polymer. This ability can be thought of as migrating from the inside of the compound to the surface and then evaporating from the surface into the surrounding medium. Therefore, a plasticizer with a low diffusion rate and a high boiling point should be selected.
2. Mobility means that the molecules of the plasticizer move toward the surface or the plastic containing plasticizer is in contact with other substances, and the plasticizer moves toward the surface in the plastic. For example, plastics used in electrical equipment must be non-migratory in order to ensure electrical insulation.
3. Chemical extraction When the plasticizer is extracted by other substances to cause chemical changes, it is chemically extractable. This phenomenon is manifested in the fact that when the plastic article is attacked by an organic solvent or mineral oil, the solvent is absorbed and the solvent is absorbed. The rule is that the higher the molecular weight, the smaller the extraction.
The use of plastics processed with plasticizers that have low volatility and good migration resistance and that are not extracted can have a long service life.
(3) Photothermal stability and low temperature cold resistance The plastic shake product is required to maintain its soft performance during processing and use, which requires the plasticizer to have heat resistance, light resistance and low temperature resistance, and the heat consumption is greatly increased. Plasticizers have poor heat resistance.
(4) Polyvinyl chloride hard products with electrical insulation without plasticizer, whose electrical insulation is ohm/cm (volume resistivity coefficient), when the plasticizer such as chemical raw materials is added, the insulation performance is degraded. Therefore, the electrical insulation of PVC plastics depends mainly on the type, amount and nature of the plasticizer. Phosphates and chlorinated paraffins. Due to high toughness,
It fixes the polymerization backbone at the polarization position and provides better electrical insulation.
(5) Flame retardants are generally flame retardants. Phosphates and chlorinated paraffins (among others) have flame retardant properties. Therefore, when considering the use of plastic products such as construction and furniture, it is necessary to select a plasticizer having flame retardant or nonflammable ability.
(6) Anti-mildew (bacterial) Some plastic products, such as PVC artificial leather, are caused by the crystallization of diurethane plasticizer during the storage and use of the mold. This phenomenon does not occur if you choose phosphate and chlorinated paraffin.
(7) When selecting a plasticizer for food packaging materials, it should be considered non-toxic. Epoxy plasticizers for chemical raw materials such as epoxidized soybean oil are widely used.

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