Model studies on the polyurethane synthesis reaction. Part I. Assumptions for mathematical model for step-growth polyaddition process

• Autorzy: Król P. , Gawdzik A.
• Języki publikacji: EN

Abstrakty

EN

Taking advantage of our earlier studies, we presented a new mathematical model for the step-growth polyaddition process of two monomers: diisocyanate and diol. The process gives linear polyurethanes. The model was based on the scheme for consecutive and parallel, identifiable reactions between diisocyanate, diol and urethane oligomers formed in the process. This model covers the infinite system of ordinary differential equations together with the initial conditions assigned to them and it makes atypical initial-value problem. It was assumed when developing the model that the reactivity of the functionalities present is dependent solely on the polymer structure. Moreover, the possible effects resulting from the substitution as well as the likely non-equivalent impacts from the functional groups in diisocyanates were considered .This model was used in further studies ~-- in numerical simulations of the process yielding linear polyurethanes.

Słowa kluczowe

EN

polyurethane; synthesis; polyaddition; model

PL

poliuretan; synteza; poliaddycja; model

• Wydawca: Centrum Materiałów Polimerowych i Węglowych PAN
• Czasopismo: Polish Journal of Applied Chemistry
• Rocznik: 1999
• Tom: Vol. 43, nr 1-2
• Strony: 107--124
• Opis fizyczny: Bibliogr. 17 poz.

Twórcy

autor

Król P.

• Rzeszów University of Technology, Faculty of Chemistry; Department of Polymer Science, Al. Powstańców Warszawy 6, 35-959 Rzeszów

autor

Gawdzik A.

• University of Opole, Department of Process Engineering ul. Oleska 48, 49-951 Opole