Die Polymerisation des Äthylens zu Schmierölen

Zorn, H.

doi:10.1002/ange.19480600706

Cited by 14 publications

(3 citation statements)

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“…Finally, a series of experiments were conducted using the nonionic surfactant IGEPAL ® ( Table 7, entries [8][9][10][11][12][13][14]. Such polymerizations were off-white, tan emulsions that slowly undergo partial phase separation on prolonged standing (Supporting Information S10).…”

Section: Emulsion Polymerizations Using Phosphotungstic Acidmentioning

confidence: 99%

“…Regardless, the cationic mechanism is the primary means of producing a number of commodity products including: synthetic lubricants, [9][10][11][12][13][14][15] hydrocarbon resins, [16][17][18] terpene polymers, [19][20][21][22][23][24] polyisobutene, [25][26][27] poly(vinyl ethers), [28][29][30][31][32][33][34] and butyl rubber. [25,26,[35][36][37][38][39][40] Great effort has been made to synthesize them in a more benign manner.…”

Section: Introductionmentioning

confidence: 99%

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Indefinitely active aqueous cationic polymerizations, part I: Low cost, recyclable initiator systems

Lewis

Richards

Damodaran

2020

Journal of Polymer Science

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This article describes the first example of an aqueous cationic polymerization that utilizes a low cost, safe, and highly recyclable initiator system (phosphotungstic acid) that retains its activity indefinitely. Quantitative yields of low to medium molecular weight polymers of p‐methoxystyrene and N‐vinylcarbazole are obtained within minutes to hours. Polymerization is first order in both monomer and phosphotungstic acid. Negatively charged surfactants suppress polymerization; whereas, nonionic soaps increase the reaction rate and reduce both polymer molecular weight and polydispersity index. Herein, the discovery of a new form of aqueous cationic polymerization involving the condensation of the alcoholic derivative of p‐methoxystyrene, 1‐(4‐methoxyphenyl)ethanol, is also disclosed.

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Section: Emulsion Polymerizations Using Phosphotungstic Acidmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Indefinitely active aqueous cationic polymerizations, part I: Low cost, recyclable initiator systems

Lewis

Richards

Damodaran

2020

Journal of Polymer Science

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“…Die Polymerisation des Athylcns nach Zorn[19] rnit Aluminiumchlorid bei 110 "C unter Druck liefert Ole, die aus meist verzweigten Paraffinketten bestehen, in die noch bis zu 4 Naphthenringe eingebaut sind [ZO]. Auch Untersuchungen an Modellsubstanzen sprechen dafiir.…”

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