Method for reducing formaldehyde content and formaldehyde emission from particle board
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United States of America Patent
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N/A
Issued Date -
Aug 14, 2003
app pub date -
Dec 18, 2002
filing date -
May 3, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The method for reducing formaldehyde content and emission from particleboard according to the invention, where in particleboard manufacturing process carried out in a known standard way, with known run; with the application of known amino adhesive resins; with the addition of known hardening agents and/or possible addition of formaldehyde-bonding substances; pressing in stroke or continuous-run presses and cooling, characteristic in that particleboard after pressing, prior to cooling, is subjected to brief seasoning in 70-110.degree. C. for several up to a few dozen hours, preferably from 8-16 hours, depending on the expected reduction rate of formaldehyde content and emission and applied manufacturing process parameters.
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Family
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Cited Art Landscape
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