Co-extruded fusible net
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United States of America Patent
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-
Oct 18, 1983
Grant Date -
N/A
app pub date -
Jul 6, 1982
filing date -
Jul 6, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved method of manufacturing fusible net products and the products resulting therefrom are disclosed. Low-melt-strength polymers are extruded with a stable high-melt-strength polymer to form a composite net structure having a carrier net layer of the stable high-melt-strength polymer carrying a net layer of similar structure and of the low-melt-strength polymer. After the molten layers are quenched and solidified the net layer on the carrier is easily delaminated. The net layer can be removed anytime after the material ceases to be tacky and may be conveniently stored as a composite if desired. The carrier polymer net is available for sale directly as is or it may be oriented or ground and recycled to again form the carrier. The low-melt-strength polymer may be sandwiched between outer layers of high-melt-strength polymer or the low-melt-strength polymer may be carried on both sides of the high-melt-strength polymer.
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