Method and composition for a furan-modified phenolic novolak bin

Details Method and composition for a furan-modified phenolic novolak bin Method and composition for a furan-modified phenolic novolak bin

1980-10-06

1982-09-07

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

With carbonizing, then adding carbonizable material and...

428404, 428407, 523144, C01B 3100

Patent

active

043483437

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: 3377189 (1968-04-01), Acker et al.
patent: 3947420 (1976-03-01), Bardet
patent: 4051301 (1977-09-01), Laitar
patent: 4064331 (1977-12-01), Patton et al.
patent: 4108826 (1978-08-01), Anderson et al.
patent: 4182696 (1980-01-01), Wynstra et al.

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