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US4634723A Furfuryl alcohol binders, methods for their production and use 失效
糠醇粘合剂,其生产和使用方法

Furfuryl alcohol binders, methods for their production and use
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.
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