Measurement and Theory of Absorbency of Cotton Fabrics
1950
Buras, Edmund M. | Goldthwait, Charles F. | Kraemer, Rita M.
High and uniform absorbency of cotton fabrics is a desirable quality in nearly every wet- finishing operation and in many finished fabrics; yet absorbency-measuring tests which have been employed up to the present time are largely inadequate and arbitrary. A test method is described here which is more suitable in that it meets the requirements of wetting the fabric quickly from one side while it is under pressure and allowing the comparison of different fabrics in a readily understandable manner. Using a glass filtering funnel to provide a wet porous plate and a flowmeter for measuring rates, the apparatus is easily assembled and calibrated. The test is simple and rapid and per mits numerical evaluation of both rate of absorption and total or ultimate absorption, largely independently of apparatus characteristics. The separate evaluation of these absorbency factors and the elimination of timing procedures set this test apart from those previously published. The method is readily adaptable to the investigation of many liquid-absorbent relationships. Application of the test to the evaluation of absorbency of purified cotton fabrics has led to a plausible explanation of their absorption behavior as being due largely to spaces within the fabric rather than to absorption characteristics of the fiber itself.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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