Insect resistant foam body useful in farm buildings

Details Insect resistant foam body useful in farm buildings Insect resistant foam body useful in farm buildings

1991-08-19

1992-09-15

Foelak, Morton

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

4283044, 4283144, 521 79, 521 97, 521 98, 521131, 521155, 521143, 521146, 521910, E04B 200, C08J 900

Patent

active

051474816

ABSTRACT:
The invention is a plastic foam body which is resistant to the boring of insects and is useful in insulating buildings subject to such boring comprising a foamed thermoplastic polymer having a plurality of closed non-interconnecting cells, a minimum cross-sectional dimension of at least 30 mm, the foam body being without discontinuities and substantial variation in average cell size when cell size, wherein the foam body has a density, d, of 40 kg/m.sup.3 or greater, and average cell dimensions of at least 1.0 mm, V, E, and H in three mutually perpendicular directions at least 1.0 mm or greater in the second directions, at least 1.0 mm and 0.9 mm respectively and a resistance factor, R, of 600 or greater as calculated by Formula 1 ##EQU1## In another embodiment the invention is a method of insulating buildings subject to the boring of insects into the insulation thereof using the plastic foam bodies of the invention.

REFERENCES:
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patent: 4801484 (1989-01-01), Yao et al.
patent: 4810570 (1989-03-01), Rutten et al.
patent: 4824720 (1989-04-01), Malone
patent: 4931484 (1990-06-01), Hovis
patent: 4990542 (1991-02-01), Motani et al.
patent: 5007765 (1991-04-01), Dietlein et al.

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