Description

Poly(1,4-Butanediol) Bis(4-Aminobenzoate) is a specialized aromatic amine-terminated polymer chain extender and building block. This compound is valued for its ability to introduce rigid aromatic segments and reactive amine end groups into polymer backbones, significantly enhancing material properties. It is primarily utilized by manufacturers in the polymer and advanced materials industries seeking to develop high-performance polyurethanes, polyamides, and epoxy resins with tailored mechanical strength, thermal stability, and chemical resistance.

Application

• As a chain extender in the synthesis of high-performance, segmented polyurethane elastomers and thermoplastic polyurethanes (TPU).
• As a reactive monomer for producing aromatic polyamides (aramids) and other high-temperature resistant polymers.
• As a curing agent or hardener component in epoxy resin formulations for composites and adhesives.
• In the manufacture of liquid crystal polymers (LCPs) and other advanced engineering plastics.
• As a key intermediate for pharmaceutical synthesis and the production of specialty fine chemicals.
• For research and development of novel polymer networks with specific optical or mechanical properties.

Basic Information

Product Name	Poly(1,4-Butanediol) Bis(4-Aminobenzoate)
CAS No.	54667-43-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	4-Aminobenzoic Acid 1,4-Butanediol Ester Polymer; Poly(tetramethylene 4-aminobenzoate); Poly(1,4-butanediol 4-aminobenzoate); Aminobenzoate-terminated Poly(tetramethylene oxide); PTMO-Bis(4-aminobenzoate); PolyTHF Bis(4-aminobenzoate); 1,4-Butanediol, polymer with 4-aminobenzoic acid
EINECS	Contact for details

Quality Control

Our Poly(1,4-Butanediol) Bis(4-Aminobenzoate) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency in molecular weight distribution, amine end-group concentration, and purity. Certificates of Analysis (COA) detailing key specifications are available upon request to support your quality assurance and R&D processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic) and should be handled under a dry atmosphere to prevent degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow powder or granules
Identification (IR)	Conforms to structure
Assay (Amino End-group)	Contact for details
Molecular Weight (Mn)	Contact for details
Melting Point	Contact for details
Loss on Drying	< 1.0%

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