Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1976-07-06
1978-08-15
Griffin, Ronald W.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
81155, 8120, 68 5A, 128156, 128284, 128290P, 229 31, 536 82, 536 87, 536 88, 536 89, A61F 1316, B32B 2742
Patent
active
041074262
ABSTRACT:
A water-repellent cellulose and articles comprising the water-repellent cellulose are disclosed together with a process and apparatus for preparing the same. The water-repellent cellulose is prepared by exposing one or more sides and edges of a cellulose sheet, pad, or cloth to aliphatic acid chloride vapors. The resulting product is water-repellent along the treated sides and edges and, in general, water-permeable along the untreated sides and edges. Therefore, the treated cellulose products of this invention are especially suitable for disposable articles of sanitary clothing, sanitary napkins, bandaging materials, paper cups, bags and the like.
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