Process for production of polymers containing polyalkylpiperidine type sterically hindered amines (HALS)

A process for preparing a polymer or copolymer by addition polymerization of an ethylenically unsaturated sterically hindered amine or of an ethylenically unsaturated sterically hindered amine and one or more further ethylenically unsaturated monomers, which comprises conducting the polymerization in the presence of a catalyst of the metallocene type is new. An Independent claim is included compounds of formula (X), (XI), (XII) or (XIII): R1, R2 and R3 = 1-4C alkyl, or R2 and R3 together are 4-11C alkylene; R4 = H; R5 = H, OH, 1-18C alkyl, 3-12C alkenyl, acryloyloxy, acryloylamido, or a radical of formula -X-(CO)i-R8; i = 0 and 1; R6 = H, 1-18C alkyl, 3-8C alkenyl, 7-11C phenylalkyl optionally substituted on the phenyl ring by 1-12C and/or OH; j = 1-12; R'7 = 1-8C alkylene; R''7 = 1-4C alkyl, or together with R1 is 4-11C alkylene; R8 = 1-18C alkyl 3-12C alkenyl, 7-15C phenylalkyl optionally substituted in the phenyl moiety by 1-4C alkyl(oxy), 8-15C phenylalkenyl, phenyl, 1-4C alkyl or 1-4C alkoxy-substituted phenyl; R9 = 1-12C alkyl or 5-12C cycloalkyl; R'9 = H, 1-12C alkyl or 5-12C cycloalkyl; R18 and R19 = 1-8C alkyl; R20 = 3-18C alkenyl, 7-18C cycloalkenylalkyl or 7-18C bicycloalkenylalkyl; R17 and R21 = H, or R17 together with R21 forms a chemical bond; Es wird ein Verfahren zur Polymerisation ethylenisch ungesättigter sterisch gehinderter Amine vom Typ Polyalkylpiperidin (HALS) mittels Metallocenkatalysator, daraus resultierende neue Polymere sowie neue ungesättigte HALS beschrieben. DOLLAR A Die neuen monomeren oder copolymeren Verbindungen lassen sich vorteilhaft zur Stabilisierung organischen Materials gegen den schädigenden Einfluß von Licht, Sauerstoff und/oder Wärme einsetzen.