Resorcinol-glutaraldehyde resin as an accelerator for curing phenol-formaldehyde resins
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United States of America Patent
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Nov 15, 1994
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N/A
app pub date -
Dec 15, 1992
filing date -
Dec 15, 1992
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Expired
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Abstract
The invention relates to the use of a resorcinol-glutaraldehyde reaction product as an accelerator for thermosetting phenolic resin and to a method of making the accelerator. Further, the invention relates to a resin blend comprising phenol-formaldehyde and the accelerator and a process for making cellulosic board, oriented strandboard and plywood wherein the binder for the cellulosic board, oriented strandboard and plywood in its uncured form comprises the resin blend of the invention. In another embodiment the accelerator for thermosetting resin comprises resorcinol and glutaraldehyde.
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