Description

Poly[1,4-Benzenedicarbonyl-Alt-Bis(4-Phenoxyphenyl)Methanone] is a high-performance aromatic polyketone polymer. This specialty polymer is valued for its excellent thermal stability, mechanical strength, and inherent flame retardancy, making it suitable for demanding engineering applications. It is primarily sought by manufacturers in the advanced plastics, electronics, and aerospace industries for components requiring high-temperature resistance and dimensional stability.

Application

• High-temperature resistant films and coatings for electronics.
• Matrix resin for advanced composite materials in aerospace and automotive sectors.
• Precursor for high-performance fibers and specialty textiles.
• Additive to enhance thermal and flame-retardant properties of engineering plastics.
• Component in specialty adhesives and sealants for extreme environments.
• Material for insulating components in electrical and electronic devices.
• Base polymer for membranes used in high-temperature filtration.

Basic Information

Product Name	Poly[1,4-Benzenedicarbonyl-Alt-Bis(4-Phenoxyphenyl)Methanone]
CAS No.	55088-54-5
Molecular Formula	(C27H16O4)n
Molecular Weight	404.4 (monomer unit)
Synonyms	Poly(oxy-1,4-phenylenecarbonyl-1,4-phenylenecarbonyloxy-1,4-phenylenebis(4-phenoxyphenyl)methylene); Poly(ether ketone ketone) derivative; PEKK analogue; Aromatic polyketone polymer; Poly(arylene ether ketone) containing diphenyl ether moiety; Bis(4-phenoxyphenyl)methanone-terephthaloyl chloride copolymer; High-temperature polyketone resin.
EINECS	Contact for details

Quality Control

Our Poly[1,4-Benzenedicarbonyl-Alt-Bis(4-Phenoxyphenyl)Methanone] is produced under a rigorous quality management system. Each batch is characterized for key parameters including inherent viscosity, thermal transition temperatures, and residual solvent content to ensure batch-to-batch consistency and performance. A comprehensive Certificate of Analysis (COA) detailing these specifications is provided with every shipment.

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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Off-white to pale yellow powder or granules
Inherent Viscosity	0.5 - 1.2 dL/g (in specific solvent)
Glass Transition Temperature (Tg)	> 150 °C
Melting Temperature (Tm)	300 - 380 °C
Residual Solvent	< 0.5%
Ash Content	< 0.1%
Identification (IR)	Conforms to structure

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