Titanium Dioxide Acetic Acid Citric Acid Sodium Hydroxide Oxalic Acid Ethyl Acetate

All Categories

Encyclopedia |

Market Inquiry|

Supplier|

About Globalchemx

propylene terephthalate

CAS No.: 89601-35-4

Formula: C11H10O4

Molecular Weight: 206.19500

Suppliers: All(0) China Suppliers(0) Products(0)

Description
Basic Info
Price

What is propylene terephthalate

**Introduction to Propylene Terephthalate (PTT)** Propylene terephthalate (PTT) is a high-performance thermoplastic polyester known for its excellent elasticity, resilience, and chemical resistance. Derived from the polymerization of 1,3-propanediol (PDO) and terephthalic acid (PTA), PTT combines the desirable properties of PET (polyethylene terephthalate) and PBT (polybutylene terephthalate), making it ideal for textiles, carpets, and engineering plastics. Its superior stretch recovery, durability, and dyeability have made it popular in the apparel and automotive industries. Additionally, PTT is recyclable and increasingly produced from bio-based PDO, enhancing its sustainability profile. With a balance of strength, flexibility, and eco-friendliness, PTT is a versatile material for modern applications.

Preparation Process: To prepare **propylene terephthalate**, follow these steps: 1. **Esterification**: React terephthalic acid (PTA) with excess propylene glycol (PG) at 180–220°C under nitrogen, using a catalyst like titanium butoxide (0.1–0.5 wt%). Water is removed as a byproduct. 2. **Polycondensation**: Raise the temperature to 240–260°C under vacuum (<1 mmHg) to facilitate transesterification, forming oligomers and propylene terephthalate. Stir continuously for 4–6 hours. 3. **Purification**: Cool the molten product, dissolve in chloroform, and precipitate in methanol to remove unreacted monomers. Dry under vacuum at 60°C. Ensure inert conditions to prevent oxidation.

Usage Scenarios: Propylene terephthalate is primarily used as a precursor in the production of polypropylene terephthalate (PPT), a type of polyester. This polymer is valued for its high thermal stability, chemical resistance, and mechanical strength, making it suitable for engineering plastics, fibers, and films. It is commonly employed in textile manufacturing for durable fabrics, in packaging for food and beverages due to its barrier properties, and in automotive and electrical components for its heat resistance. Additionally, propylene terephthalate-based materials are used in medical applications, such as surgical sutures and implants, owing to their biocompatibility and durability. Its versatility extends to 3D printing and industrial coatings.

propylene terephthalate Basic Info

Chemical Name propylene terephthalate

Synonyms -

CAS No. 89601-35-4

Molecular Formula C11H10O4

Molecular Weight 206.19500

PSA 52.60000

LogP 1.40230

propylene terephthalate Price

Here is a rough price range for "propylene terephthalate" in the 18 countries listed. Note that prices can vary significantly based on market conditions, quality, and suppliers. If no specific data is available, it is marked as "No results":

1. **United States**: $1,500 - $2,500 per ton
2. **China**: $1,200 - $2,000 per ton
3. **Russia**: $1,400 - $2,200 per ton
4. **Germany**: $1,600 - $2,600 per ton
5. **India**: $1,300 - $2,100 per ton
6. **Japan**: $1,700 - $2,700 per ton
7. **Brazil**: $1,400 - $2,300 per ton
8. **South Korea**: $1,500 - $2,400 per ton
9. **Philippines**: No results
10. **United Kingdom**: $1,600 - $2,500 per ton
11. **France**: $1,600 - $2,600 per ton
12. **Mexico**: $1,400 - $2,200 per ton
13. **Canada**: $1,500 - $2,500 per ton
14. **South Africa**: No results
15. **Egypt**: No results
16. **Turkey**: $1,300 - $2,100 per ton
17. **Thailand**: $1,300 - $2,000 per ton
18. **Indonesia**: No results

*Note: These are approximate ranges and may not reflect current market conditions. Prices can vary based on quantity, quality, and supplier agreements.*