Belt joint adhesive
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United States of America Patent
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-
Nov 30, 2004
Grant Date -
Jan 2, 2003
app pub date -
Jun 21, 2001
filing date -
Jun 21, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An adhesive for use in coated abrasive belt joints includes a blocked isocyanate, urethane system. The blocking agent can include phenols, oximes, alcohols, caprolactam, and diethyl malonate. The adhesive can be crosslinked with amine or alcohol. A coated abrasive belt is formed by attaching a plurality of abrasive particles to a first surface of a backing layer. A size coat is deposited over the abrasive particles to form a coated abrasive. The coated abrasive is cut to form a strip having a first end and a second end. The ends of the strip are joined with an adhesive including a blocked isocyanate, urethane system.
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