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A Facile Synthesis and the Polymerization of Macrocyclic 1,4-Phenylene Sulfide (PPS) Oligomers

✍ Scribed by Wang, Yi-Feng; Hay, Allan S.

Book ID
127209930
Publisher
American Chemical Society
Year
1996
Tongue
English
Weight
110 KB
Volume
29
Category
Article
ISSN
0024-9297

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πŸ“œ SIMILAR VOLUMES

Phenylene sulfide polymers. III. The syn
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## Abstract Linear polyphenylene sulfide has been synthesized by the condensation polymerization of alkali metal salts of __p__‐halothiophenols. The monomers investigated included the lithium, sodium and potassium salts of __p__‐bromothiophenol and the sodium salts of __p__‐fluoro‐, __p__‐chloro‐,

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Preparation of novel high Tg (220-280Β°C) macrocyclic oligomers in high yield by the reaction of 1,2-dihydro-4-(4-hydroxyphenyl) (2H)phthalazin-1-one with activated difluoro-monomers is described. The reaction, conducted under pseudo-high dilution conditions, produces cyclic oligomers in 90-97% isola