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Title:
FOUNDRY BINDER SYSTEMS WHICH CONTAIN A SILANE-MODIFIED POLYISOCYANATE
Document Type and Number:
WIPO Patent Application WO2002047462
Kind Code:
A3
Abstract:
The invention relates to phenolic-urethane foundry binder systems containing a silane-modified polyisocyanate. The silane-modified polyisocyanates are prepared by reacting a polyisocyanate with an organosilane. The foundry binders are used to make foundry shapes, which are used to cast metal parts.

Inventors:
SINGH RINA
DAMMANN LAURENCE G
STURTZ GREGORY P
Application Number:
PCT/US2001/048172
Publication Date:
August 29, 2002
Filing Date:
November 02, 2001
Export Citation:
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Assignee:
ASHLAND INC (US)
International Classes:
B22C1/20; B22C1/22; C08G18/08; C08G18/54; C08G18/80; (IPC1-7): B22C1/22
Foreign References:
US4311631A1982-01-19
EP0953585A11999-11-03
US4495316A1985-01-22
USRE34092E1992-10-06
US4268425A1981-05-19
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