| 摘要 |
A stabilized polyolefine-based polymeric compn. characterized in that it contains as stabilizer and a stabilizing amount of an organic polyamine having the following general formula(I) wherein R1,R2,R3 and R4 are equal to or different from each other and are an alkyl group havig from/to 4 carbon atoms; A is an alkylene group ranging from 2 to 10 carbon atoms B is a divalent aliphatic cycloaliphatic, aromatic or alkylaromatic radical which contains hereto atoms such as O, S, N and P either in the chain or as side substituents; and n is a whole number between 2 and 1000.
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