Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1983-04-08
1984-07-10
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524595, C08K 336
Patent
active
044593740
ABSTRACT:
This invention is concerned with foundry binder compositions for alkaline aggregates such as reclaimed sand, Olivia sand, alumina sand, etc., which cure at ambient temperatures. The binder composition is composed of phenolic resins, polyisocyanates and a hydrogen chloride emitting substance upon hydrolysis. Curing of this composition is by gaseous amines. The hydrogen chloride emitting substance on hydrolysis is selected from the following: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 can be selected from: Hydrogen, Chlorine, alkyl, vinyl or alkoxy, or
REFERENCES:
patent: 3432457 (1969-03-01), Robins
patent: 3702316 (1972-11-01), Robins
patent: 4311631 (1982-01-01), Myers et al.
Nishimura Toshiaki
Tachikawa Toshiyuki
Jacobs Lewis T.
Mudd James F.
Sumitomo Durez Company Ltd.
Tao James F.
LandOfFree
Foundry binder composition does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Foundry binder composition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Foundry binder composition will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1576845