LOW-MOLAR-MASS POLYMERS COMPRISING AT LEAST ONE 4-METHYLETHER-1,3-DIOXOLAN-2-ONE END GROUP

摘要

A polymer of formula (I):;;in which P is a divalent polymeric radical other than a polyoxypropylene radical; m is a number from 1 to 6; B is a monovalent, divalent, trivalent, tetravalent, pentavalent or hexavalent radical, having from 1 to 44 carbon atoms per molecule; the divalent polymeric radical P being such that the number-average molar mass Mn of the polymer of formula (I) is in a range from 400 to 8000 g/mol and such that the polydispersity (Pd) of the polymer of formula (I) is within a range from 1.0 to 4.0.;Process for preparing the polymer of formula (I).;Process for preparing polyurethanes, by reaction of a polymer of formula (I) with a compound, having an amine group, and also polyurethanes that may be thus obtained.

主权项

1. A polymer of formula (I) comprising at least one 1,3-dioxolan-2-one 4-methyl ether end group: in which:
P is a polymeric divalent radical, with the proviso that P is other than a polyoxypropylene radical;m is a number from 1 to 6, m is preferably chosen from 2 and 3, and even more preferably m is equal to 2;B is a monovalent, divalent, trivalent, tetravalent, pentavalent or hexavalent radical, said radical generally comprising from 1 to 44 carbon atoms per molecule;the polymeric divalent radical P being such that the number-average molar mass Mn of the polymer of formula (I) is within a range from 400 to 8000 g/mol, preferably from 1000 to 4000 g/mol, and such that the polydispersity (Pd) of the polymer of formula (I) is within a range from 1.0 to 4.0.