Binder compositions containing phenolic resins and organic phosp

Details Binder compositions containing phenolic resins and organic phosp Binder compositions containing phenolic resins and organic phosp

1979-03-07

1981-01-20

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

528155, C08K 552

Patent

active

042461570

ABSTRACT:
There are provided binder compositions particularly useful in the foundry art which are rapid curing and which comprise (A) a phenolic resin component including at least one resole or novolak resin, solvent comprising a mixture of (1) hydrocarbon solvent and (2) polar organic solvent containing at least sufficient organic phosphate and/or carbonate ester to increase the curing speed and solubility of the phenolic resin component, (B) an isocyanate component having a functionality of two or more and (C) sufficient catalyst to catalyze substantially completely the reaction between components (A) and (B). There is also provided a moldable composition comprising aggregate material, such as foundry sand, and such binder compositions and foundry cores or molds made therefrom and including a process for their manufacture from the moldable compositions by either "cold box" or "no-bake" procedures.

REFERENCES:
patent: 2374136 (1945-04-01), Rothrock
patent: 3537952 (1970-11-01), Dahms
patent: 4048145 (1977-09-01), Moss

Affiliated with

Also associated with

Rating

Binder compositions containing phenolic resins and organic phosp does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Binder compositions containing phenolic resins and organic phosp, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Binder compositions containing phenolic resins and organic phosp will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1765978