发明授权
US4650903A Oligomeric amides as synergists for antioxidants and UV stabilizers 失效
低聚酰胺作为抗氧化剂和紫外线稳定剂的增效剂

Oligomeric amides as synergists for antioxidants and UV stabilizers
摘要:
Oligomeric amides having the general structure ##STR1## are useful as stabilizers for polymers and are prepared in a one-step synthesis by reacting a suitable amine with an appropriate ketone and chloroform.
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