Abstract
A novel solid-acid catalyst (PVC-EDA-SO4H) based on polyvinyl chloride (PVC) were prepared after amination of Ethylenediamine (EDA) and anchorage of sulfuric acid. The as-prepared catalyst was characterized by FT-IR, Element analysis, Chemical titration and Thermal analysis, the results indicated that the sulfuric acid was successfully anchored on PVC. The PVC-EDA-SO4H showed excellent catalytic performance for the synthesis of bisphenol F, and achieved almost high yield and selectivity (94%) of BPF under the mind reaction conditions. Meanwhile, exhibited excellent reusability without the significant loss after six cycles via simple filtration.
Highlights
Bisphenol F[1-2] (BPF) as a high-quality chemical intermediate has been widely applied in fine chemical field including coatings, rubber and building structural rubbers
The composite material formed by palladium supported on polyamine modified polyvinyl chloride (PVC) is used as catalyst for Suzuki reaction[16] and Heck reaction[17], which catalytic activity remains after 7 times of reused, EDA modified PVC material has great catalytic performance after introducing hydrogen sulfate
We prepared a novel catalyst (PVC-EDASO4H) (Scheme 1) by nucleophilic substitution with PVC and EDA to form basic polymeric material (PVC-EDA), followed via neutralization reaction to anchor acid groups of hydrogen sulfate, The as-prepared catalyst was characterized by Physicochemical method, and catalytic performance of the catalyst was investigated by condensation of phenol with formaldehyde to bisphenol F
Summary
Bisphenol F[1-2] (BPF) as a high-quality chemical intermediate has been widely applied in fine chemical field including coatings, rubber and building structural rubbers. Development of acid catalyst for synthesis of BPF has drawn much attention in fine chemical fields. Solid acid catalysts showed great catalytic performance, the deactivation phenomena limits their usage in continuous catalytic reaction. Chemically modified PVC materials show good catalytic performance in some important organic reactions. The composite material formed by palladium supported on polyamine modified PVC is used as catalyst for Suzuki reaction[16] and Heck reaction[17], which catalytic activity remains after 7 times of reused, EDA modified PVC material has great catalytic performance after introducing hydrogen sulfate. We prepared a novel catalyst (PVC-EDASO4H) (Scheme 1) by nucleophilic substitution with PVC and EDA to form basic polymeric material (PVC-EDA), followed via neutralization reaction to anchor acid groups of hydrogen sulfate, The as-prepared catalyst was characterized by Physicochemical method, and catalytic performance of the catalyst was investigated by condensation of phenol with formaldehyde to bisphenol F
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