Method of bonding glass fibers or other substrates to various polymers by oxidizing the molten polymer surface, and articles produced thereby
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United States of America Patent
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Oct 27, 1987
Grant Date -
N/A
app pub date -
Dec 12, 1985
filing date -
Dec 12, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The surface of a molten polymer is treated with a flame as the polymer is extruded; the polymer is co-calendered with a substrate as a fibrous web immediately downstream from the extruder and the flame. Articles so treated exhibit superior bond strengths. In one embodiment, both the polymer and the web are treated with a flame prior to the step of co-calendering.
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