p-Xylene (CAS 106-42-3) is an important aromatic hydrocarbon. It is mainly used as the basic raw material for making Purified Terephthalic Acid (PTA) and Dimethyl Terephthalate (DMT). These two substances are key to producing Polyethylene Terephthalate (PET) resins, polyester fibers and films. Turning p-xylene into PTA supports the global polyester industry, which makes bottles, textiles and packaging materials.
CAS 106-42-3 p-Xylene Uses in PTA and PET Resin Manufacturing
Manufacturing PTA - Primary Use of p-Xylene
More than 90% of p-xylene is made into PTA through oxidation. This process usually uses liquid-phase oxidation of p-xylene, changing it into PTA-a key chemical material.
Synthesizing PET Resin
The PTA obtained from p-xylene is then mixed with ethylene glycol through polymerization to make PET resin, which has a wide range of uses.
Applications of PET Resin
PET resin made from PTA (derived from p-xylene) is widely used in many fields:
- Packaging: Light and recyclable bottles for drinks, food and cosmetics.
- Textiles: Polyester fibers for clothes, home decorations and industrial fabrics.
- Films: PET films for different industrial and daily use purposes.
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