## SYNOPSIS Poly(ary1 ether ether ketone ketone)s (PEEKK) containing rneta-phenyl links and their series of copolymers were synthesized and investigated by both X-ray and differential scanning calorimetry (DSC) methods. Results showed that the heat properties of this kind of copolymer depended gre
The crystal structures of aryl ether ketone polymers containing meta-phenyl links
β Scribed by D.J. Blundell
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 318 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0032-3861
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## Abstract The evolution of crystallinity and polymorphism during hotβdrawing of amorphous poly(ether ether ketone ketone) (PEEKK) as a function of strain rate, draw ratio, and temperature was investigated. In modification I, the competition of chain extension and molecular alignment is responsibl
Different routes for preparing poly(aryl ether ketone)s (PEKKs) are presented and compared. The properties of PEKKs are related to the content of metaphenyl links in the molecular main chains, the molecular chain branching degree, the gelation content by molecular crosslinks, and, especially, the re