Toughenability of cyanate ester networks with reactive hydroxyl-functionalized phenolphthalein-based amorphous poly(arylene ether sulfone) thermoplastics, via conventional thermal curing, without a sacrifice in either the T g or the moderately high modulus of the unmodified cyanate ester networks wa
Synthesis and characterization of poly(arylene ether) containing cyanate ester networks
β Scribed by Ganesan Anuradha; Muthusamy Sarojadevi
- Book ID
- 106438486
- Publisher
- Springer
- Year
- 2008
- Tongue
- English
- Weight
- 279 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1022-9760
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New polyarylene ethers containing rigid naphthalene, pyridine and quinoline moieties have been prepared by the nucleophilic displacement of suitable aromatic dihalides with corresponding potassium bisphenates. The reaction was carried out using DMAc or DPS as solvent. The chemistry and thermal prope
Reactive functional thermoplastic poly(arylene ether) toughness modifiers were demonstrated to enhance toughness of brittle thermosetting cyanate ester networks and also allowed retention of a highly desirable stability to solvent stress cracking and a moderately high modulus. Careful control of the
## Abstract Poly(arylene ether oxadiazole) telechelics with fluorine and hydroxyl end groups were synthesized by nucleophilic substitution polymerizations of 2,5βbis(4βfluorophenyl)β1,3,4βoxadiazole monomer with bishydroxy compounds containing ο£ΏC(CH~3~)~2~, ο£ΏC(CF~3~)~2~ and ο£ΏSO~2~ο£Ώ groups. Fluorote