Acoustical tile containing wet-strength resin

Details Acoustical tile containing wet-strength resin Acoustical tile containing wet-strength resin

2005-02-15

2005-02-15

Seidleck, James J. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S013000, C524S014000, C524S035000, C524S037000, C524S502000, C524S443000

Reexamination Certificate

active

06855753

ABSTRACT:
Disclosed is an acoustical tile composition in which the conventional starch binder is replaced by a wet-strength resin, such as a polyamine epichlorohydrin resin, can be fabricated into ceiling tiles and panels using conventional water felting processes and equipment with improved efficiency. The acoustical tile compositions, with the polyamine epichlorohydrin resins binder, can be dried significantly faster than comparable compositions containing conventional starch binders.

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