发明授权
- 专利标题: Ester hardeners for phenolic resin binder systems
- 专利标题(中): 酚醛树脂粘合剂系统的酯类固化剂
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申请号: US344215申请日: 1989-04-27
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公开(公告)号: US4988745A公开(公告)日: 1991-01-29
- 发明人: S. Raja Iyer , Sudhir K. Trikha
- 申请人: S. Raja Iyer , Sudhir K. Trikha
- 申请人地址: IL Westchester
- 专利权人: Acme Resin Corporation
- 当前专利权人: Acme Resin Corporation
- 当前专利权人地址: IL Westchester
- 主分类号: C08K5/13
- IPC分类号: C08K5/13 ; B22C1/20 ; B22C1/22 ; C08J3/09 ; C08K5/04 ; C08K5/10 ; C08L61/04 ; C08L61/06 ; C09J161/06
摘要:
A hardener composition for alkaline phenolic resole resin binders which comprises a solution of a benzylic ether resole resin in an ester. Binder compositons comprising this hardener with alkaline phenolic resole resins are further provided as are foundry molding compositions and methods for making foundry cores and molds using the molding compositions.
公开/授权文献
- US5534847A Bicycle alarm system 公开/授权日:1996-07-09
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