Description

1,3-Benzenedicarboxylic Acid Polymer With 1,3-Propanediol is a high-performance, bio-based polyester derived from isophthalic acid and 1,3-propanediol. This polymer is valued for its excellent thermal stability, chemical resistance, and mechanical properties, making it a versatile material for demanding industrial applications. It is primarily sought by manufacturers in the specialty plastics, coatings, and advanced material sectors seeking sustainable and durable polymer solutions.

Application

• High-Performance Coatings and Resins: Used as a key component in durable industrial and protective coatings, offering enhanced chemical and weather resistance.
• Engineering Plastics and Composites: Serves as a matrix or modifier in fiber-reinforced composites and specialty plastics requiring high strength and thermal stability.
• Adhesives and Sealants: Imparts toughness and durability to high-performance adhesive and sealant formulations.
• Filaments for 3D Printing (FDM): Utilized in the production of specialty filaments where superior layer adhesion and thermal properties are critical.
• Packaging Materials: Employed in the manufacture of high-barrier films and containers, particularly where enhanced gas barrier properties are beneficial.
• Textile Fibers: Used in the production of technical and industrial fibers that require specific mechanical and chemical resistance profiles.

Basic Information

Item	Details
Product Name	1,3-Benzenedicarboxylic Acid Polymer With 1,3-Propanediol
CAS No.	33114-65-7
Molecular Formula	(C8H6O4·C3H8O2)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(1,3-propylene isophthalate); Poly(propylene isophthalate); PPI; Poly(1,3-propanediol isophthalate); Isophthalic Acid-1,3-Propanediol Polymer; 1,3-Propanediol-isophthalic acid copolymer; Poly(trimethylene isophthalate); PTI
EINECS	Contact for details

Quality Control

Our production of 1,3-Benzenedicarboxylic Acid Polymer With 1,3-Propanediol adheres to stringent quality management protocols. Each batch undergoes comprehensive analysis to ensure consistent molecular weight, intrinsic viscosity, thermal properties, and purity. Certificates of Analysis (COA) detailing key specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and excessive heat sources to maintain polymer integrity.

Specification

Item	Specification
Appearance	White to off-white pellets or powder
Identification (IR)	Conforms to structure
Intrinsic Viscosity (IV)	0.50 - 1.20 dL/g (or as specified)
Melting Point (DSC)	Contact for details
Glass Transition Temp (Tg)	Contact for details
Acid Value	≤ 2.0 mg KOH/g
Moisture Content (KF)	≤ 0.5 %
Residual Catalyst	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.