发明授权
US5229512A Compounds formed from o-hydroxyphenyl-1,3,5-triazines and sterically hindered amines 失效
由O-羟基苯基-1,3,5-三嗪和异丁醇胺形成的化合物

Compounds formed from o-hydroxyphenyl-1,3,5-triazines and sterically
hindered amines
摘要:
Compounds which comprise at least one group of the formula I or II ##STR1## and at least one polyalkylpiperidine group of the formula III ##STR2## in which R and R.sub.1 to R.sub.6 have the meaning indicated in claim 1, are effective stabilisers for organic materials against damage by light, oxygen and heat.
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