发明授权
- 专利标题: Process for stabilizing polyamides
- 专利标题(中): 稳定聚酰胺的方法
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申请号: US504873申请日: 1974-09-11
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公开(公告)号: US3935161A公开(公告)日: 1976-01-27
- 发明人: Karl Schlichting , Peter Horn , Johannes Schlag , Wolfgang Koernig
- 申请人: Karl Schlichting , Peter Horn , Johannes Schlag , Wolfgang Koernig
- 申请人地址: DT Ludwigshafen (Rhine)
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DT Ludwigshafen (Rhine)
- 优先权: DT2309435 19730224
- 主分类号: C08K5/20
- IPC分类号: C08K5/20 ; C08G6/00
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.
公开/授权文献
- US5098441A Lithotriptor 公开/授权日:1992-03-24
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