Upgradable polyolefin surfaces, e.g. lacquerable or dyeable surfaces of films, fibers or injection moldings, carry functionalized polyhedral oligomeric silicon-oxygen clusters

摘要

Upgradable polyolefin surfaces (A) carrying functionalized polyhedral oligomeric silicon-oxygen clusters (I) are new, where (I) contains at least one epoxy, ester, optionally blocked isocyanate, (meth)acrylate, nitrile, amino, phosphine or polyether group and the polyolefin (II) has a density of at most 0.96 g/cm 3>and a melt viscosity index of at most 10 ml per 10 minutes. Upgradable polyolefin surfaces (A) carrying functionalized polyhedral oligomeric silicon-oxygen clusters of formula (I) are new. (R aX bSiO 1.5) m(R cX dSiO) n(R eX fSi 2O 2.5) o(R gX hSi 2O 2) p(I) a, b, c : 0-1; d : 1-2; e, f, g : 0-3; h : 1-4; m + n + o + p : 4 or more; a + b : 1; c + d : 2; e + f : 3; g + h : 4; b.m + d.n + f.o + h.p : 1 or more; R : H, alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, cycloalkynyl, aryl, heteroaryl or a polymer unit (all optionally substituted); or further functionalized polyhedral functional oligomeric silicon-oxygen clusters, bonded via a polymer unit or bridging unit; and X : epoxy, ester, optionally blocked isocyanate, (meth)acrylate, nitrile, amino, phosphine or polyether group, or a group R substituted by at least one of such groups. At least one substituent X is present. The polyolefin (II) in (A) has a density of at most 0.96 (preferably at most 0.94) g/cm 3>(ISO 1183) and a melt viscosity index (MVI) of at most 10 (preferably at most 8.5) ml per 10 minutes (ISO 1133; 190[deg]C and 2.16 kg). An independent claim is included for the preparation of (A).