发明授权
US5804623A Process for the stabilization of and stablizer mixtures for recycled
plastics
失效
用于再循环塑料稳定化和稳定剂混合物的方法
- 专利标题: Process for the stabilization of and stablizer mixtures for recycled plastics
- 专利标题(中): 用于再循环塑料稳定化和稳定剂混合物的方法
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申请号: US756226申请日: 1996-11-25
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公开(公告)号: US5804623A公开(公告)日: 1998-09-08
- 发明人: Kurt Hoffmann , Heinz Herbst , Rudolf Pfaendner , Hans-Jurgen Sander , Franciszek Sitek
- 申请人: Kurt Hoffmann , Heinz Herbst , Rudolf Pfaendner , Hans-Jurgen Sander , Franciszek Sitek
- 申请人地址: NY Tarrytown
- 专利权人: Ciba Specialty Chemicals Corporation
- 当前专利权人: Ciba Specialty Chemicals Corporation
- 当前专利权人地址: NY Tarrytown
- 优先权: CHX3012/92 19920925
- 主分类号: C08K5/00
- IPC分类号: C08K5/00 ; C08K5/09 ; C08K5/098 ; C08K5/13 ; C08K5/36 ; C08K5/52 ; C08K5/521 ; C08K5/524 ; C08K5/53 ; C08K5/5393 ; C08L23/00 ; C08L101/00 ; C08K5/34 ; C08K5/49 ; C08K5/51
摘要:
Recycled plastics, predominandy thermoplastics, from domestic, commercial and industrial waste can be stabilized against thermooxidative degradation by adding a combination of a sterically hindered phenol with an organic phosphite or phosphonite and a metal salt of a fatty acid.
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