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What are the uses of 1,3-propanediol?

September 09, 2025

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1,3-Propanediol (PDO) is a versatile chemical. Due to its unique chemical properties and environmental sustainability, it is becoming an important raw material across various industries. Its wide-ranging applications include high-performance polyester materials, adhesives, coatings, and the formulation of cosmetics and personal care products. This article will focus on the applications and advantages of AHB's 1,3-propanediol in various fields.


As a Bio-Based Monomer: Producing High-Performance PTT Polyesters

One of the most important industrial applications of AH SYNOVA™ PDO is as a bio-based monomer for producing PTT polyester. PTT is a polymer that combines high tensile strength, high elasticity, and good recyclability, and is widely used in the textile and plastics industries.

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Key Advantages of PTT:

  • Color Fastness and Durability: PTT polyester fabrics maintain color stability and abrasion resistance over long-term use.

  • Dyeability: Compared to traditional polyesters, PTT performs better in dyeing processes, resulting in vibrant and uniform colors. Excellent Resilience and Dimensional Stability: PTT fabrics are often called "memory fibers" or "the king of fibers" because they can return to their original shape and maintain their form after repeated stretching.

  • Softness, Comfort, and Stain Resistance: The fabric offers a soft feel and possesses both stain resistance and antistatic properties, making it suitable for a variety of applications, including apparel, carpets, and nonwovens.


As a Raw Material for Adhesives and Coatings: AH SYNOVA™ PDO is valuable in adhesives and coatings, particularly for improving bond strength and durability.


Adhesive Applications:

PDO significantly improves the rheology and bond strength of adhesives, making them suitable for bonding diverse materials such as paper, wood, and plastics.


Coating Applications:

In coatings, PDO acts as a thickener and solvent, improving adhesion and abrasion resistance. It is widely used in industrial coatings for automotive, home appliance, and other applications.


These properties enable 1,3-propanediol to not only enhance product performance but also promote green and sustainable industrial production.


As a Multifunctional Moisturizing Solvent: An Ideal Choice for Cosmetics and Personal Care Products

In addition to its industrial applications, BIOBLANCA™ 1,3-PDO also plays a crucial role in cosmetics and personal care products. It primarily functions as a solubilizer, humectant, sensory enhancer, and preservative enhancer, improving the stability and user experience of cosmetics and personal care products.

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1,3-PDO's Key Functions:

  • Solubilizer: 1,3-PDO effectively dissolves oils, fragrances, and other active ingredients, enhancing the uniformity and stability of formulations.

  • Humectant: When combined with ingredients like glycerin, 1,3-PDO significantly enhances skin moisturization and maintains long-lasting hydration.

  • Sensory Enhancer: It reduces the stickiness associated with high glycerin concentrations, making lotions and skincare products smoother and more comfortable to apply.

  • Preservative Enhancer: 1,3-PDO enhances preservative effectiveness and extends product shelf life.


These properties make 1,3-PDO an indispensable multifunctional ingredient in cosmetics and personal care products.


Summary

1,3-Propanediol (PDO) is a highly promising multifunctional chemical raw material with broad application prospects. In the industrial sector, its use as a bio-based monomer has driven the development of high-performance PTT polyesters, demonstrating outstanding performance in adhesives, coatings, and other fields. In cosmetics and personal care products, 1,3-PDO acts as a solubilizer, humectant, and enhancer, improving product stability and user experience.


If you are interested in the versatile properties of 1,3-PDO, please feel free to contact our AHB team. Our experts will provide detailed solutions and technical support.