Phase-Transfer Catalysis 1994
DOI: 10.1007/978-94-011-0687-0_5
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Insoluble Phase-Transfer Catalysts

Abstract: catalysts requires extensive development and special manufacturing that cause cost and time problems frequently judged to be too high to justify their industrial use.2. The cost of resin-bound PTC catalysts is usually prohibitively high if a special catalyst composition is required. Commercially available ion-exchange resins sometimes show excellent behavior as resin-bound PTC catalysts, and these pose few barriers to commercial use. Insoluble PTC catalysts made by adsorbing simple quaternary ammonium cations … Show more

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Cited by 2 publications
(3 citation statements)
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“…The SLL-PTC system with the immobilized catalyst can overcome these drawbacks and exhibits excellent easy removal and subsequent reusability of the catalyst. 8 , 9 The SLL-PTC system has been one of the most promising industrial system.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…The SLL-PTC system with the immobilized catalyst can overcome these drawbacks and exhibits excellent easy removal and subsequent reusability of the catalyst. 8 , 9 The SLL-PTC system has been one of the most promising industrial system.…”
Section: Introductionmentioning
confidence: 99%
“…However, the introduction of the third liquid phase into the PTC system always induced that the emulsion between the liquid phases exited and the separation of the phase was more difficult than that in the biphasic PTC system, which limited the application in industry. The SLL-PTC system with the immobilized catalyst can overcome these drawbacks and exhibits excellent easy removal and subsequent reusability of the catalyst. , The SLL-PTC system has been one of the most promising industrial system.…”
Section: Introductionmentioning
confidence: 99%
“…[5][6][7] Quaternary onium salts are bound to polymer resins 6 such as styrene-divynyl benzene related resins, which is used as an ion-exchange resin support. 8 The polymer-supported catalysts can be easily separated from reaction mixtures and can be reused.…”
Section: Introductionmentioning
confidence: 99%