Abstract
The first part of this paper covers the questions: How can we obtain WBFs (waterproof breathable fabrics)? and What is available? A description of the technique to obtain such fabrics with a statement of general advantages and disadvantages is covered. There are three techniques:
1. High-density fabrics
2. Lamination: extruded, melt-blown, or cast film being microporous and/or hydrophilic
3. Coating: microporous and/or hydrophilic
Part two covers:
• the measurement of waterproofness and breathability
• breathability test methods and influencing parameters
• waterproofness tests
Part three considers the question: What other properties are wanted and what are the markets and their requirements?
Part four considers: Where will be the use of such WBFs in the textile market?
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