Synthesis of poly(phenylene sulfide sulfonic acid) as thermostable ion exchanger

Oligo (p-phenylene sulfide) (OPS) as ion exchanger matrix was synthesized by cationic oxidative polymerization of diphenyl disulfide. Sulfonated oligo (p-phenylene sulfide) (SOPS) derivative was prepared by sulfonating OPS with concentrated sulfuric acid, the sulfonation was confirmed by the presence of a high intensity band at 1200 cm(-1) due to the SO3 H group in arylene sulfonic acid, and the optimum reactive conditions introducing sulfonic acid group, which was obtained by IR absorbance and ion exchange capacity, indicated to reaction time 11h, reaction temp. 110 degrees C, and 9N-H2SO4. Also Sulfonated poly(phenylene sulfide) (SPPS) was obtained by reacting SOPS with 1,4-diiodobenzene to improve the higher thermostability. These ion exchange capacity were 11.0 meq/g for SOPS and 6.1 meq/g for SPPS. SPPS improved thermostability was decreased ion exchange capacity and IR absorbance of sulfonic acid group but increased T-d10% (temp. for 10% weight loss) in TG analysis. These results increased the possibility of use as thermostable cationic exchange resin. In addition, adsorption of various metal ions was discussed.
Publisher
POLYMER SOC KOREA
Issue Date
1996-03
Language
ENG
Keywords

SO3-DOPED POLY(P-PHENYLENE SULFIDE); POLY(PARA-PHENYLENE SULFIDE); SULFUR-TRIOXIDE; POLYMERIZATION; NMR

Citation

POLYMER-KOREA, v.20, no.2, pp.201 - 207

ISSN
0379-153X
URI
http://hdl.handle.net/10203/73520
Appears in Collection
NE-Journal Papers(저널논문)
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