Expandable phenolic resin-coated composite beads, a process...

Details Expandable phenolic resin-coated composite beads, a process... Expandable phenolic resin-coated composite beads, a process...

C - Chemistry, Metallurgy

08

J

117/45, 403/54,

C08J 9/00 (2006.01) B32B 5/18 (2006.01) C04B 20/10 (2006.01) C04B 26/12 (2006.01) C08J 9/35 (2006.01) C08L 61/06 (2006.01)

Patent

CA 1245399

ABSTRACT OF THE DISCLOSURE Expandable phenolic resin-coated composite beads comprise an aggregate having coated thereon a solid, expandable resin composition comprising a solid, phenolic resin initial condensation product, a foaming agent and, if necessary, a hardening agent. The expandable phenolic resin-coated composite beads provide composite cellular moldings in which the aggregates are uniformly dispersed in a phenolic resin-expanded layer and are firmly adhered to the expanded layer. The composite cellular moldings can be adhered to a face plate to form integral laminates.

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