Abstract
Wood pulp composite spunlaced nonwoven is a new environment-friendly material that can disintegrate in toilet system. It could be easily flushed into septic or sewer systems, thus avoids the risk of clogging the pipes. In this study, the flushable wood pulp composite spunlaced nonwoven was prepared and the flushability testing method was developed. The effects of testing parameters and conditions on the flushability were studied through laboratory experiment and theoretical analysis. It was found that the size of sample, liquid volume, shaking speed and shaking time were directly related to the disintegration ratio. A medium sample size, a higher liquid volume, a higher shaking speed and shaking time can result in a good disintegration. These factors should be taken into serious consideration when testing the flushable or disintegrating properties.
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