Development of Novel Molecular Catalysts “Phosphazene Catalysts” for Commercial Production of Highly Advanced Polypropylene Glycols

This contribution reports development and an application of high-performance catalysts, phosphazene catalysts (PZN and PZO) with high reactivity and selectivity for ring-opening polymerization reactions of propylene oxides that provide highly advanced polypropylene glycols. The produced polypropylen...

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Veröffentlicht in:	Catalysis Surveys from Asia 2010-09, Vol.14 (3-4), p.164-167
Hauptverfasser:	Nobori, Tadahito, Hayashi, Takaomi, Shibahara, Atsushi, Saeki, Takuya, Yamasaki, Satoshi, Ohkubo, Kazuhiko
Format:	Artikel
Sprache:	eng
Schlagworte:	Catalysis Catalysts Characterization and Evaluation of Materials Chemical industry Chemistry Chemistry and Materials Science Glycols Herbicides Industrial Chemistry/Chemical Engineering Pesticides industry Physical Chemistry Polymerization Polypropylene Raw materials Substitution reactions Surface active agents
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Beschreibung
Zusammenfassung:	This contribution reports development and an application of high-performance catalysts, phosphazene catalysts (PZN and PZO) with high reactivity and selectivity for ring-opening polymerization reactions of propylene oxides that provide highly advanced polypropylene glycols. The produced polypropylene glycols with high purity and narrow molecular weight distributions have been commercialized as raw materials for environmentally- and people-friendly polyurethane foams (for car sheet cushions).
ISSN:	1571-1013 1571-1013 1574-9266
DOI:	10.1007/s10563-010-9098-0