COMPOSITION CONTAINING PHOTOREACTIVE, LOW-MOLECULAR POLYALKYL PIPERIDINES ABSORBING UV RADIATION, SOLID MASTER BATCH IN WHICH THE COMPOSITION IS COMPRISED, STABILIZATION PROCESS OF NATURAL OR SYNTHETIC POLYMERIC OR PRE-POLYMERIC SUBSTRATES AND USE

摘要

PCT No. PCT/IB97/00388 Sec. 371 Date Oct. 13, 1998 Sec. 102(e) Date Oct. 13, 1998 PCT Filed Apr. 10, 1997 PCT Pub. No. WO97/39051 PCT Pub. Date Oct. 23, 1997The invention relates to novel compositions of photoreactive, UV-light absorbing, low molecular weight polyalkylpiperidines and non-photoreactive low molecular weight sterically hindered polyalkylpiperidines as well as to masterbatch compositions comprising the novel compositions. The invention relates further to a process for enhancing the light stability of organic material, the stabilized organic material and its use.