Extruded ethylenic polymer foam containing both open and closed

Details Extruded ethylenic polymer foam containing both open and closed Extruded ethylenic polymer foam containing both open and closed

1992-01-16

1995-02-07

Foelak, Morton

Road structure, process, or apparatus

Process

Providing expansion joint

404 66, E01C 1102

Patent

active

053870506

ABSTRACT:
Disclosed is an extruded, low density, non-outgassing ethylenic polymer foam containing 30-85% open cells and the remainder closed cells and having an essentially integral surface. The foam possesses superior compression recovery and lower compression resistance when compared with similarly comprised ethylenic closed cell foams and superior moisture resistance and handling characteristics when compared to open cell foams.

REFERENCES:
patent: 5007765 (1991-04-01), Dietlein et al.

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