THERMAL DEGRADATION OF POLY(ARYLENE SULFIDE SULFONE)/N-METHYLPYRROLIDONE CRYSTAL SOLVATE

Xiao-jun Wang a; c; Mei-lin Zhang b; Jing Liu b; Gang Zhang b

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THERMAL DEGRADATION OF POLY(ARYLENE SULFIDE SULFONE)/N-METHYLPYRROLIDONE CRYSTAL SOLVATE

Papers | Updated：2021-06-21

- THERMAL DEGRADATION OF POLY(ARYLENE SULFIDE SULFONE)/N-METHYLPYRROLIDONE CRYSTAL SOLVATE
- Vol. 28, Issue 1, Pages: 85-91(2010)
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- Published：20 January 2010
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Xiao-jun Wang a, c, Mei-lin Zhang b, et al. THERMAL DEGRADATION OF POLY(ARYLENE SULFIDE SULFONE)/N-METHYLPYRROLIDONE CRYSTAL SOLVATE[J]. 2010, 28(1): 85-91.
DOI：

Xiao-jun Wang a, c, Mei-lin Zhang b, et al. THERMAL DEGRADATION OF POLY(ARYLENE SULFIDE SULFONE)/N-METHYLPYRROLIDONE CRYSTAL SOLVATE[J]. 2010, 28(1): 85-91. DOI：

摘要

The thermal degradation of poly(arylene sulfide sulfone)/N-methylpyrrolidone (PASS/NMP) crystal solvate was studied by thermogravimetric analysis (TGA) and was compared with pure PASS in order to determine the way in which the formation of the crystal solvate affected the thermal properties of the polymer. The activation energy of the solid state process was determined using Kissinger’s method

which does not require knowledge of the reaction mechanism (RM)

to be 174.18 kJ/mol which was lower than that for pure PASS (E = 214 kJ/mol). The study of master curves together with interpretation of integral methods

allows confirmation that the thermal degradation mechanism for PASS in the crystal solvate system is a decelerated Rn type

which is a solid-state process based on a phase boundary controlled reaction

in the conversion range considered. Whereas

the pure PASS follows a decelerated Dn thermodegradation mechanism in the same conversion range.

Abstract

which does not require knowledge of the reaction mechanism (RM)

to be 174.18 kJ/mol which was lower than that for pure PASS (E = 214 kJ/mol). The study of master curves together with interpretation of integral methods

allows confirmation that the thermal degradation mechanism for PASS in the crystal solvate system is a decelerated Rn type

which is a solid-state process based on a phase boundary controlled reaction

in the conversion range considered. Whereas

the pure PASS follows a decelerated Dn thermodegradation mechanism in the same conversion range.

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