Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1982-02-05
1984-02-07
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524511, 428404, C08K 334, C08K 304
Patent
active
044304595
ABSTRACT:
A method and composition for forming a dry free-flowing particulate solid is disclosed which utilizes a novel binder system for bonding particles of carbon, sand and/or other solid particulate materials. The solid, non-sticky binder system comprises furfural, solid resin, (such as a phenolic resin), which is not sticky at room temperature and is soluble in furfural, and a liquid amine having free hydrogens on the amine nitrogen which amine is capable of reacting with furfural. This system is capable of adhering to such particles while retaining the free-flowing characteristics of the particles. The free-flowing particulate solid thus formed may be shaped, extruded or compression molded as necessary to form the desired article. A shaped mass of this particulate material is converted to an integral mass by warming or compressing. While the binder is curable at room temperature over a long period of time, the cure rate may be accelerated by increases in temperature. Carbonization of the resin system yields a high carbon residue.
REFERENCES:
patent: 2965601 (1960-12-01), Brown
patent: 3725333 (1973-04-01), Adkins et al.
patent: 3755229 (1973-08-01), Johnson et al.
Akerberg Denis W.
Huffman George W.
Rude Carl A.
Ayd Karen E.
Jacobs Lewis T.
O'Halloran J. P.
Shekleton G. T.
The Quaker Oats Company
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