Description

Poly(Oxy-1,4-Phenyleneoxy-1,4-Phenylenecarbonyl-1,4-Phenylene) is a high-performance engineering thermoplastic known for its exceptional thermal stability, mechanical strength, and chemical resistance. This polymer is critical for applications demanding long-term reliability under harsh environmental and mechanical stress. It is primarily utilized by manufacturers in the aerospace, automotive, and electronics industries seeking advanced material solutions.

Application

• High-Temperature Electrical Insulation: Used in wire coatings, connectors, and film capacitors for its excellent dielectric properties and thermal endurance.
• Advanced Composite Matrices: Serves as a resin matrix in fiber-reinforced composites for aerospace and automotive structural components.
• Precision Mechanical Parts: Manufactured into gears, bearings, and seals that require low friction, high wear resistance, and dimensional stability.
• Protective Coatings & Films: Applied as a barrier layer on metal substrates and flexible films for chemical and abrasion resistance.
• Semiconductor Manufacturing: Employed in wafer carriers, process jigs, and other components that must withstand aggressive cleaning agents and high temperatures.
• Membrane Technology: Utilized in the production of ultrafiltration and gas separation membranes due to its selective permeability and robustness.

Basic Information

Product Name	Poly(Oxy-1,4-Phenyleneoxy-1,4-Phenylenecarbonyl-1,4-Phenylene)
CAS No.	31694-16-3
Molecular Formula	(C21H14O4)n
Molecular Weight	~30,000 - 80,000 g/mol (Typical)
Synonyms	Poly(oxy-1,4-phenylenecarbonyl-1,4-phenyleneoxy-1,4-phenylene)
Poly(ether ketone ketone)
PEKK
Poly(oxy-1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,4-phenylene)
Poly(aryl ether ketone ketone)
PAEKK
1,4-Bis(4-phenoxybenzoyl)benzene polymer
EINECS	Contact for details

Quality Control

Our Poly(Oxy-1,4-Phenyleneoxy-1,4-Phenylenecarbonyl-1,4-Phenylene) is manufactured under a strict quality management system. Each batch undergoes rigorous testing for key parameters including intrinsic viscosity, thermal properties (Tg, Tm), and residual solvent content to ensure consistent performance and batch-to-batch reliability. Certificates of Analysis (COA) documenting full specifications are available upon request.

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 high heat sources to maintain polymer integrity.

Specification

Item	Specification
Appearance	Off-white to pale yellow powder or granules
Identification (IR)	Conforms to reference spectrum
Intrinsic Viscosity	0.6 - 1.2 dL/g (Typical, varies by grade)
Glass Transition Temperature (Tg)	~156 - 165 °C
Melting Temperature (Tm)	~360 - 385 °C
Residual Solvents (GC)	< 0.1%
Ash Content	< 0.1%

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