Structural laminates made with novel facing sheets
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United States of America Patent
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Mar 19, 1991
Grant Date -
N/A
app pub date -
Aug 17, 1990
filing date -
Aug 17, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A structural laminate comprises at least one planar facing sheet comprised largely of glass fibers but not having micro-glass as a filler. The facing sheet is self adhered to a rigid thermosetting plastic foam core. The non-glass filler material is chosen from a group consisting of clay, mica, talc, limestone (calcium carbonate), gypsum (calcium sulfate), aluminum trihydrate (ATH), antimony oxide, cellulose fibers, and plastic polymer fibers. The non-glass filler material improves containment of liquid plastic thermosetting polymer, and offers economic and safety advantages.
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