Electrical-discharge treatment of wool fabric at atmospheric pressure increases its wettability and dye absorption. An investigation is described in which the best results were obtained with a glow discharge produced by using a small air gap between the electrodes, low fabric regain, and low relative humidity. With increase in the size of the air gap, regain, and r.h., the discharge was characterized by streamers or sparks or both, and the improvements in wettability and dye absorption were not as good.
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Belin et al. (1983) studied this question.
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