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Cellulose has been chemically modified by partial oxidation with periodic acid followed by coupling with various carbonyl reagents. The modified celluloses have been tested for their resistance to fungal degradation, and some have been shown to inhibit growth at relatively low degrees of...
Although kier boiling is a common commercial treatment applied to cotton, its effect on the crystallinity of cotton cellulose apparently has not been investigated. In the present work, the effect on the crystalline-amorphous ratio of a laboratory kiering and of alcohol extraction and boiling in...
Aqueous solutions of ethylamine from 70 to 100% amine have been investigated as to their effectiveness in reducing the crystallinity of cotton cellulose. The degree of crystallinity of cotton cellulose was found to be little affected by ethylamine solutions containing 70% of the amine. The amine...
Extensive results are given on the effects of HCI and picric acid on the capacity of wool to absorb water. Both the effect of changing the relative humidity and the effect of changing the acid content of the fibers were studied. Less extensive results were obtained using H 2 SO 4 , oxalic acid,...
An attempt has been made to establish some general relationships between crease recovery and variables of fabric construction by an investigation of 174 systematically varied Fortisan filament fabrics. Crease recovery is generally improved by open con struction, i.e., for any one fabric weight,...
Methods are described for measuring the comparative soiling tendencies of textile fibers. It is shown that reflectance readings on soiled fibers measure an overall effect, part of which can be attributed to the weight and particle-size distribution of the retained soil, and part to the optical...
A study has been made of some single fiber properties of wool, rayon, and Vicara zein fibers at various relative humidities, and the crease recoveries of fabrics made from the same fibers have been measured under identical conditions. In general, the wool and Vicara are similar in many...
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