Description

1,4-Benzenedicarboxylic Acid Polymer With [1,1'-Biphenyl]-4,4'-Diol, 1,2-Ethanediol And 4-Hydroxy Benzoic Acid is a high-performance, fully aromatic liquid crystal polymer (LCP) known for its exceptional thermal stability, mechanical strength, and chemical resistance. This material matters for engineers and formulators seeking to replace metals or conventional plastics in demanding environments where reliability is non-negotiable. It is primarily needed by the electronics, automotive, aerospace, and industrial components sectors for creating precision-molded parts, connectors, and high-barrier films.

Application

• High-Temperature Electrical Connectors: Used in surface-mount technology (SMT) components, sockets, and bobbins due to its excellent dimensional stability and flame retardancy.
• Miniaturized Electronic Components: Ideal for micro-molded parts in smartphones, wearables, and sensors where thin walls and high precision are required.
• Under-the-Hood Automotive Parts: Employed in fuel system components, ignition systems, and transmission parts that must withstand high temperatures and aggressive fluids.
• Chemical Process Equipment: Suitable for seals, pump components, and valve linings in applications involving exposure to solvents and corrosive chemicals.
• Aerospace and Defense Components: Used in lightweight, high-strength structural parts and housings that perform reliably in extreme conditions.
• High-Barrier Packaging Films: Provides exceptional gas barrier properties for specialized technical and industrial packaging.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid Polymer With [1,1'-Biphenyl]-4,4'-Diol, 1,2-Ethanediol And 4-Hydroxy Benzoic Acid
CAS No.	124417-30-7
Molecular Formula	(C8H4O4·C12H8O2·C2H6O2·C7H6O3)n
Molecular Weight	Polymer - Contact for details
Synonyms	Liquid Crystal Polymer (LCP), Type I; Aromatic Copolyester; Thermotropic Liquid Crystalline Polymer; Vectra®-type LCP; Xydar®-type LCP; 4-Hydroxybenzoic Acid / Terephthalic Acid / Biphenol / Ethylene Glycol Copolymer; Poly(4-hydroxybenzoate-co-terephthalate-co-biphenyl-4,4'-diol terephthalate-co-ethylene terephthalate)
EINECS	Contact for details

Quality Control

Our Liquid Crystal Polymer grades are manufactured under strict process controls to ensure batch-to-batch consistency. Quality is verified through a comprehensive suite of tests including intrinsic viscosity, thermal analysis (DSC/TGA), and mechanical property assessment. Certificates of Analysis (COA) documenting key parameters are available for every shipment. We support compliance with relevant industry standards, including ISO 9001 quality management systems.

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 heat sources and open flames. As with most polymers, prolonged exposure to high humidity should be avoided to prevent moisture absorption prior to processing.

Specification

Item	Specification
Appearance	Off-white to beige pellets or powder
Identification (IR)	Conforms to standard
Melting Point (DSC)	280 - 350 °C (Grade dependent)
Heat Deflection Temperature (HDT)	> 250 °C @ 1.82 MPa
Tensile Strength	> 150 MPa
Moisture Content (Karl Fischer)	< 0.05 %
Ash Content	< 0.1 %

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