Keeping dry in the rain - European-coatings.com
Keeping dry in the rain - European-coatings.com
Keeping dry in the rain - European-coatings.com
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Quelle/Publication: <strong>European</strong> Coat<strong>in</strong>gs Journal<br />
Ausgabe/Issue: 09/2009<br />
Seite/Page: 4<br />
Figure 1: Some features of membranes used <strong>in</strong> waterproof breathable fabrics<br />
(WBFs). Top row: surfaces of membranes; bottom row, sections through<br />
coat<strong>in</strong>gs, lam<strong>in</strong>ated to polyamide fabric unless o<strong>the</strong>rwise stated. Left to right:<br />
Solid hydrophilic coat<strong>in</strong>g (a) show<strong>in</strong>g multiple layers at (f); Microporous PU<br />
produced by wet coagulation (b) and (g); Microporous PU produced by phase<br />
separation (c) with very th<strong>in</strong> pore-seal<strong>in</strong>g topcoat shown at (h); Mechanicallyfoamed<br />
PU dispersion (d) with mechanically-foamed acrylic coat<strong>in</strong>g shown <strong>in</strong><br />
(i) with first layer crushed; ePTFE membrane (e) and PU film produced by salt<br />
extraction lam<strong>in</strong>ated to polyester with discont<strong>in</strong>uous adhesive (shown as solid<br />
dots) (j)<br />
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