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US3935161A Process for stabilizing polyamides 失效
稳定聚酰胺的方法

Process for stabilizing polyamides
摘要:
Suitable compounds for stabilizing polyamides against oxidation and thermal degradation are bis-ureas and bis(acid amides) based on 2,6-di-t-butylphenol-butylamine said compounds having the general formula: ##SPC1##Wherein Y represents the urea or amide radical.
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