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An Effect of Washing on Durability of Hydrophobic Finishes of Membrane Laminates

Kowalski M., Salerno-Kochan R.

Autex Research Journal

2018

Vol. 18, no. 2

137--142

The aim of the study is to show how the washing process, while considering the type of washing agent and number of wash cycles, determines the durability of hydrophobic finishes of laminated fabrics. The samples of material were subject to multiple wash cycles in clear water and with the use of two types of washing agents, namely, an ordinary washing powder and a detergent recommended by manufacturers of functional clothing. The washed materials were subject to spray test and its waterproofing and degree of surface wetting were evaluated. The tests have shown that waterproofing of membrane laminates with DWR (durable water repellent) coating become deteriorated during washing treatment and the use of special detergent does not guaranty the maintenance of better coating properties than an ordinary washing agent.