Thermal analysis of phenoxyacetic acids of bisphenol derivatives and poly(R,R',4,4'-cyclohexylidenediphenylene phosphorochloridate)

D.R.Bhadja; Y.V.Patel; P.H.Parsania

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Thermal analysis of phenoxyacetic acids of bisphenol derivatives and poly(R,R',4,4'-cyclohexylidenediphenylene phosphorochloridate)

机译：双酚衍生物和聚（R，R'，4,4'-环己二烯二苯基亚苯基磷酸氯）的苯氧乙酸的热分析

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DTA-TG thermograms of phenoxyacetic acid derivatives of bisphenol-S, phenolphthalein and polyphosphates of bisphenol-C derivatives has been scanned. PAAS-1 and PAAP-1 to - 4 are thermally stable up to 291-336 deg and 306-331 deg, respectively, and invovled two-step decomposition. PHO-1 to - 6 are thermaly stable up to 212-302 deg and followed either single or two-step degradation. The DTA transitions support either some physical change or chemical change. The kinetic parameters are interpreted in light of the nature of the substitution (CH_3, Cl, Br and NO_2). A large and positive DELTAS~(not =) suggests less ordered transition state while negative DELTAS~(not =) supports ordered transition state.

机译：扫描了双酚S，苯酚酞和双酚C衍生物的多磷酸盐的DTA-TG热谱图。 PAAS-1和PAAP-1至-4分别在高达291-336度和306-331度的温度下具有热稳定性，并且涉及两步分解。 PHO-1至-6在高达212-302度的温度下均保持热稳定性，并经过单步或两步降解。 DTA过渡支持某些物理更改或化学更改。根据取代的性质（CH_3，Cl，Br和NO_2）解释动力学参数。较大且正的DELTAS〜（not =）表示有序的过渡状态，而负的DELTAS〜（not =）支持有序的过渡状态。

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《Journal of the Indian Chemical Society》 |2002年第12期|共3页
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D.R.Bhadja; Y.V.Patel; P.H.Parsania;
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Thermal analysis of phenoxyacetic acids of bisphenol derivatives and poly(R,R',4,4'-cyclohexylidenediphenylene phosphorochloridate)

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