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Study of the kinetics of copolymerization of trioxane with butylglycidylether

โœ Scribed by R. Mateva; G. Sirashki


Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
327 KB
Volume
40
Category
Article
ISSN
0323-7648

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โœฆ Synopsis


The cationic copolymerization of trioxane with butylglycidylether in nitrobenzene was investigated. The rates of exhaustion of the monomers during the copolymerization process were followed by gas chromatography. The effects of temperature and of the content of the catalyst BF,Et,O on the rate of copolymerization were studied. A kinetic equation is proposed. The copolymers were isolated and characterized by infrared and IH-NMR spectroscopy. The mechanism of copolymerization is confirmed by the data of IH-NMR spectroscopy.

Kinetische Untersuchung der Copolymerisation von Trioxan mit Butylglycidether

Die kationische Copolymerisation von Trioxan mit Butylglycidether in Nitrobenzen wurde untersucht. Die Geschwindigkeit des Monomerverbrauchs wahrend des Copolymerisationsprozesses wurde mittels Gaschromatographie bestimmt. Die Einflusse der Temperatur und der Konzentration des Katalysators BF,Et,O auf die Geschwindigkeit der Copolymerisation wurden untersucbt. Eine kinetische Gleichung wird vorgeschlagen. Die Copolymere wurden isoliert und durch Infrarot-und lH-NMR-Spektroskopie charakterisiert. Der Mechanismus der Copolymerisation wird durch die Ergebnisse der lH-NMR-Spektroskopie bestatigt. IFuHemuqe+clt.oe uccAeaoeanue cono~luaepuaayuu mpuomana c a$upo.~ 6 y m u z ~l u y u d a pacxoAosaHm MorioMepa BO s p e m npoqecca c o n o n a ~e p 1 1 3 a q ~~ onpefienmacb MeToXoM r a a o ~o P xpoMaTorpa@m. I?CCJIe~OBaJIOCb KaTHOHHaR COIIOnIIMepH3aqIIR TpIlOHCaHa C B@IIPOM 6 y ~n n r n ~q m ~a B HHTpO6eH3One. CKOpOCTb klCCneAOBaJIOCb BJIHRHHe TeMlIepaTypbI II KOHqeHTPaqMII HaTanII3aTOpa BF3Et30 H a CHOPOCTb COIlOnIIMepII3aqIIII. IIOnyqeHHbIe COnOnIIMepbI XapaKTePH3OBaJIHCb MeTOAaMM HK-II lH-~MP-cneKTpocKonIIII. Pe3yJIbTaTbI IH-FIMP-CneKTpOCKOIlIIII IIOATBepAIInM MeXaHH3M COIIOJlIIMepII3aqIIM.


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