Expandable phenolic resin-coated composite beads, a process for

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

1985-02-01

1986-11-18

Anderson, Philip

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

264 453, 264 464, 264 54, 264257, 264259, 264DIG2, 264DIG5, 264DIG6, 264DIG7, 425127, 425817R, 4283139, 4283184, 4283191, 521 54, 521 57, 521 59, 521136, 523139, 523218, 523219, B29C 4318, B29C 6718, B29C 6722

Patent

active

046235841

ABSTRACT:
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.

REFERENCES:
patent: 3746610 (1973-07-01), Hoegger
patent: 3864206 (1975-02-01), Linderoth
patent: 4256803 (1981-03-01), Savey et al.

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