Nonwoven fibrous product and method of making the same
Abstract
Abstract THIS DISCLOSURE INCLUDES DESCRIPTIONS OF NONWOVEN FIBROUS WEBS INCLUDING A MINOR AMOUNT OF A BINDER SECURING THE INTERFIBER CONNECTIONS TO MAINTAIN THE FIBER SUPERSTRUCTURE AND HAVING WEB DENSITIES LESS THAN ABOUT 0.02 GM./CM.3 WHICH HAS HERETOFORE BEEN CONSIDERED ABOUT THE LOWEST DENSITY ATTAINABLE. THE DISCLOSURE ALSO INCLUDES A UNIQUE METHOD OF MANUFACTURING SUCH WEBS AND CONTEMPLATES THE PREFERRED USE OF AN AIR LAID WEB OF FIBERS THOROUGHLY IMPREGNATED WITH A FLUID WHICH INCLUDES A SMALL AMOUNT OF A PERMANENT BINDER, PREFERABLY LESS THAN ABOUT 10% BY WEIGHT OF THE FABRIC AND A VERY SUBSTANTIAL AMOUNT OF A VOLATILE LIQUID IN THE ORDER OR 100% BY, WEIGHT OF THE FABRIC. THE VOLATILE LIQUID EXPLOSIVELY PUFFS THE FIBERS INTO A GOSSAMER WEB NOT ATTAINABLE BY CONVENTIONAL TECHNIQUES AND THE SMALL AMOUNT OF BINDER SECURES THE FIBER INTERCONNECTIONS TOGETHER TO MAINTAIN THE SUPERSTRUCTURE. D R A W I N G
Inventors
- 👤 R Shepherd
Bibliographic Details
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