Patent ID: 7265171

Claim:
Transparent polyolefin article having a thickness between 1 and 200 μm, which is stabilized against the effects of light, oxygen, heat and/or aggressive chemicals by addition of 0.005-0.30% by weight, based on the polyolefin, of a hydroxyphenyl triazine UV absorber selected from the group consisting of and containing 0.01 to 6% by weight of the polyolefin, of a sterically hindered amine as further stabilizer, where the hindered amine stabilizer is selected from the group consisting of bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate; bis(1,2,2,6,6-pentamethyl-4-piperidyl)sebacate; bis(1,2,2,6,6-pentamethyl-4-piperidyl) n-butyl-3,5-di-tert-butyl-4-hydroxybenzylmalonate; the condensate of 1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-hydroxypiperidine and succinic acid; a condensate of 1,2-bis(3-aminopropylamino)ethane, 2,4,6-trichloro-1,3,5-triazine and 4-butylamino-2,2,6,6-tetramethylpiperidine; N,N′, N″,N′″-tetrakis(4,6-bis(butyl-(N-methyl-2,2,6,6-tetramethylpiperidin-4-yl)amino)triazin-2-yl)-4,7-diazadecane-1,10-diamine; wherein n′ is approximately 3.