发明授权
- 专利标题: Furfuryl alcohol binders, methods for their production and use
- 专利标题(中): 糠醇粘合剂,其生产和使用方法
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申请号: US714746申请日: 1985-03-22
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公开(公告)号: US4634723A公开(公告)日: 1987-01-06
- 发明人: Arno Gardziella , Alois Kwasniok , Harald Heerdegen , Gerhard Janocha
- 申请人: Arno Gardziella , Alois Kwasniok , Harald Heerdegen , Gerhard Janocha
- 申请人地址: DEX Frankfurt
- 专利权人: Rutgerswerke Aktiengesellschaft
- 当前专利权人: Rutgerswerke Aktiengesellschaft
- 当前专利权人地址: DEX Frankfurt
- 优先权: DEX3412104 19840331
- 主分类号: C08L71/00
- IPC分类号: C08L71/00 ; B22C1/22 ; C08G16/02 ; C08G65/36 ; C08L61/00 ; C08L71/02 ; B22C1/16 ; C08J3/24 ; C08K5/15 ; C08L71/06
摘要:
A binder material is disclosed formed from furfuryl alcohol suitable for the preparation of molded bodies and cores for molding for the foundry industry based on the following composition:40-60 weight percent higher molecular weight furfuryl alcohol formaldehyde condensation product28-40 weight percent lower molecular weight furfuryl alcohol formaldehyde condensation product12-25 weight percent 2,5-bis-hydroxymethylfuran0-8 weight percent furfuryl alcohol.
公开/授权文献
- US5697134A Spring clamp insertion tool 公开/授权日:1997-12-16
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