Process for processing an adhesive and a device therefor
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United States of America Patent
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Sep 22, 2020
Grant Date -
May 31, 2018
app pub date -
Dec 17, 2015
filing date -
Dec 17, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a process for processing an adhesive, wherein the process comprises applying an adhesive precursor product onto an adhesive carrier and activating and crosslinking the adhesive precursor product by treating the adhesive precursor product with water vapor and heat in a reaction chamber, and wherein the process is characterized in that air mixed with reaction gases forming during the activation and crosslinking in the reaction chamber is conducted away from the reaction chamber and recirculated as circulating air into the reaction chamber, wherein a portion of used air of the air recirculated as circulating air is replaced by fresh air. The invention further relates to a corresponding device for processing a pressure sensitive hot-melt adhesive.
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