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US 8,748,524 B2Granted
Glue and coating for refractory materials and ceramics
AssigneeElkem Carbon AS
InventorsBjorn Egeland, Alf Håberg, Johan Arnold Johansen, Stian Madshus
Life of this patent
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Abstract
The present invention relates to a heat crucible glue or coating for use in connection with refractory materials and ceramics. The glue or coating comprises 25 to 50 weight % silicon powder, 5 to 20 weight % SiC powder, 20 to 60 weight % formaldehyde resin or polyfurfuryl alcohol and 10 to 30 weight % of an organic solvent.
Claims6
A heat curable glue or coating for use in connection with refractory materials and ceramics consisting:
- about 25 to 50% by weight of silicon powder;
- about 5 to 20% by weight of silicon carbide powder;
- about 20 to 60% by weight of phenol formaldehyde resin or polyfurfuryl alcohol;
- and
- about 10 to 30% by weight of an organic solvent,
- wherein the heat curable glue or coating turns to powder upon cooling to room temperature after heating.
3 more elements
A heat curable glue or coating for use in connection with refractory materials and ceramics consisting:
- about 25 to 50% by weight of silicon powder;
- about 5 to 20% by weight of silicon carbide powder;
- about 20 to 60% by weight of phenol formaldehyde resin or polyfurfuryl alcohol;
- about 10 to 30% by weight of an organic solvent;
- and
- a curing agent in order to lower the polymerization temperature for the formaldehyde resin or the polyfurfuryl alcohol,
- wherein the heat curable glue or coating turns to powder upon cooling to room temperature after heating.
4 more elements
Dependencies are inferred from the claim text.