Resol phenolic resin binder for hot coating of foundry sand

Details Resol phenolic resin binder for hot coating of foundry sand Resol phenolic resin binder for hot coating of foundry sand

1980-12-04

1982-08-17

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

106 382, 106 386, 164526, 164527, 427215, 427221, 428372, 428397, 428403, 428404, 428407, 523145, B32B 2714, B05D 700, C08L 9106

Patent

active

043450032

ABSTRACT:
A phenolic resin binder useful for hot coating foundry sand and comprising a mixture of a solid resol phenolic resin and a lubricant is provided in the form of beads or rods of diameter of about 0.5 to 7 mm and a length of about 0.5 to 30 mm. The beads or rods can be formed directly from a molten mixture of the components or the molten mixture can first be solidified and thereafter formed into such beads or rods. The process for the hot coating of foundry sand with the phenolic resin binder and the resulting foundry compositions, molds and cores are also disclosed.

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