Poly (cyclohexene oxide)

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Structural formula
Structural formula of poly (cyclohexene oxide)
General
Surname Poly (cyclohexene oxide)
CAS number 25702-20-9
Monomer Cyclohexene oxide
Molecular formula of the repeating unit C 6 H 10 O
Molar mass of the repeating unit 98.145 g mol −1
Type of polymer

Thermoplastic

properties
Physical state

firmly

safety instructions
GHS labeling of hazardous substances
no classification available
H and P phrases H: see above
P: see above
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Poly (cyclohexene oxide) is a thermoplastic polyether. It is not used industrially, but primarily serves as a model system in research. The copolymerization with carbon dioxide for the production of a polycarbonate (e.g. poly (cyclohexane carbonate)) has been studied intensively .

Manufacturing

Poly (cyclohexene oxide) can be produced from cyclohexene oxide with the aid of various catalysts in ring-opening , cationic polymerization .

Poly (cyclohexene oxide) polymerization.svg

The course of the polymerization was observed via the activated chain end mechanism and via the activated monomer mechanism.

Analytics

Poly (cyclohexene oxide) was characterized using common methods of polymer chemistry . Its M n is about 50,000 when synthesized by organoaluminum catalysts.

Individual evidence

  1. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  2. ↑ C. Koning, J. Wildeson, R Parton, B Plum, P. Steeman, DJ Darensbourg ,: Synthesis and physical characterization of poly (cyclohexane carbonate), synthesized from CO 2 and cyclohexene oxide . In: polymer . 42, No. 9, 2001, pp. 3995-4004. doi : 10.1016 / S0032-3861 (00) 00709-6 .
  3. ↑ a b Ahmed Yahiaoui, Mohammed Belbachir, Jeanne Claude Soutif, Laurent Fontaine: Synthesis and structural analyzes of poly ( 1,2 -cyclohexene oxide) over solid acid catalyst . In: Materials Letters . 59, No. 7, March 2005, pp. 759-767. doi : 10.1016 / j.matlet.2004.11.017 .
  4. ↑ a b Ayhan Oral, Mehmet Atilla Tasdelen, Adem Levent Demirel, Yusuf Yagci: Poly (cyclohexene oxide) / clay nanocomposites by photoinitiated cationic polymerization via activated monomer mechanism . In: Journal of Polymer Science Part A: Polymer Chemistry . 47, No. 20, October 15, 2009, pp. 5328-5335. doi : 10.1002 / pola.23581 .
  5. ↑ Gema Martínez, Sergio Pedrosa, Vanessa Tabernero, Marta EG Mosquera, Tomás Cuenca: Controlled Synthesis of Novel Aryloxide Polynuclear Aluminum Species. Study of Their Catalytic Properties in Polymerization Processes . In: Organometallics . 27, No. 10, May 2008, pp. 2300-2305. doi : 10.1021 / om800086a .