Inorganic fiber mat and method for production thereof
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United States of America Patent
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Issued Date -
Feb 12, 2004
app pub date -
Jun 13, 2003
filing date -
Aug 20, 2001
priority date (Note) -
Abandoned
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Abstract
The present invention provides an inorganic fiber mat with a low aldehyde emission without detriment to various physical properties of inorganic fiber mats and a process for its production. An inorganic fiber mat formed by bonding inorganic fibers together with a binder comprising a phenol resin as a main component, wherein the inorganic fiber mat comprises an aldehyde scavenger and its reaction product in an amount of from 3 to 15 parts by mass in relation to 100 parts by mass of the binder pickup, and the aldehyde scavenger is at least one member selected from the group consisting of the sodium salts, potassium salts and calcium salts of sulfurous acid, acidic sulfurous acid, dithionous acid and disulfurous acid. The aldehyde scavenger is applied between the application of the binder and the curing by polymerization.
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