Ester hardeners for phenolic resin binder systems

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

524541, 525491, C08K 336, C08L 6110

Patent

active

049887459

ABSTRACT:
A hardener composition for alkaline phenolic resole resin binders which comprises a solution of a benzylic ether resole resin in an ester. Binder compositons comprising this hardener with alkaline phenolic resole resins are further provided as are foundry molding compositions and methods for making foundry cores and molds using the molding compositions.

REFERENCES:
patent: 3485797 (1969-12-01), Robins
patent: 4246157 (1981-01-01), Laitar
patent: 4426467 (1984-01-01), Quist et al.
patent: 4474904 (1984-10-01), Lemon et al.
patent: 4546124 (1985-10-01), Laitar et al.
patent: 4657950 (1987-04-01), Iyer et al.
patent: 4740535 (1988-04-01), Iyer et al.
patent: 4789693 (1988-12-01), Jhaveri et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Ester hardeners for phenolic resin binder systems does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ester hardeners for phenolic resin binder systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ester hardeners for phenolic resin binder systems will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-814445

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.