Dioctyl terephthalate (DOTP) is a high-performance plasticizer used in polyvinyl chloride (PVC) plastics. Compared to the commonly used dioctyl phthalate (DOP), it offers advantages such as heat resistance, cold resistance, low volatility, extraction resistance, good flexibility, and excellent electrical insulation properties.
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The main applications of dioctyl terephthalate are as follows:
I. As a primary plasticizer for polyvinyl chloride (PVC)
DOTP is a high-performance primary plasticizer for PVC plastics. Compared to the commonly used dioctyl phthalate (DOP), it offers advantages such as heat resistance, cold resistance, low volatility, extraction resistance, good flexibility, and excellent electrical insulation properties. It exhibits excellent durability, soap water resistance, and low-temperature flexibility in finished products. Therefore, DOTP is used in the production of PVC plastics, especially in areas such as wires and cables, flooring materials, artificial leather films, and automotive interiors.
II. Used in food packaging materials
Due to its low volatility and good heat resistance, DOTP is considered a relatively safe plasticizer and is suitable for the production of food packaging materials.
III. Applied in the medical device field
The low toxicity and good biocompatibility of DOTP make it suitable for the manufacture of medical devices. These devices need to remain stable under high-temperature sterilization conditions, and DOTP's excellent heat resistance makes it an ideal choice.
IV. Other application areas
DOTP can also be used as a plasticizer in various synthetic rubbers. In addition, DOTP can be used as a coating additive, a lubricant for precision instruments, a lubricant additive, and a paper softener.
Post time: Dec-23-2025
