Glass fiber evaporative cooler media with melamine formaldehyde binder
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United States of America Patent
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Mar 24, 1998
Grant Date -
N/A
app pub date -
Nov 15, 1994
filing date -
Oct 16, 1991
priority date (Note) -
Expired
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Abstract
Glass fiber evaporative cooler media are provided having melamine-formadehyde resin binders coated on the glass fiber. These melamine-formaldehyde coated glass fibers provide evaporative cooler pads with increased capallarity or surface sheeting characteristics while simulataneously demonstrating increased water resistance or hydrophobicity. The melamine-formaldehyde resins of the present invention furthermore provide coatings having greater resistance to thermomigration of binder during drawing. The melamine-formaldehyde binders of the present invention are of three types based upon the resins used: 1) melamine-formaldehyde/urea-formaldehyde; 2) melamine-formaldehyde only; and 3) melamine-formaldehyde/polyurethane.
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