Fire-retarding laminated element and a method of controlling exp

Details Fire-retarding laminated element and a method of controlling exp Fire-retarding laminated element and a method of controlling exp

1987-07-21

1988-08-09

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283166, 4283175, 4283179, 4283193, 428920, 428921, B32B 326, B32B 522, B32B 2738

Patent

active

047627468

ABSTRACT:
A fire resistant fire-retarding laminate includes foaming-agent layers combined with at least one restricting layer, which restrains expansion of the foaming-agent layer under heat and fire exposure and improves the mechanical integrity of the composite without any substantial heat induced expansion of its own. Instead of glass or graphite fillers, special non-graphitic carbon fillers are used in fibrous or platelet-like form. Incompletely carbonized material amoung others can be used. Such fillers provide improved restraint on the expansion of the foaming-agent layer and cooperate to preserve its structural integrity.

REFERENCES:
patent: 4015386 (1977-04-01), Cook
patent: 4122203 (1978-10-01), Stahl
patent: 4268581 (1981-05-01), De Bol
patent: 4455396 (1984-06-01), Al-Tabaqchall et al.
patent: 4467577 (1984-08-01), Licht
patent: 4529467 (1985-07-01), Ward et al.
patent: 4530877 (1985-07-01), Hadley
Kunstoffe, 1952, p. 452.

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