Thermally stable, binder-consolidated spunbonded web

Details Thermally stable, binder-consolidated spunbonded web Thermally stable, binder-consolidated spunbonded web

D - Textiles, Paper

04

H

18/586

D04H 3/14 (2006.01) D04H 3/16 (2006.01) D05C 17/02 (2006.01)

Patent

CA 2039971

- 1 - HOE 90/F 109 Abstract Thermally stable, binder-consolidated spunbonded web There is described a thermally stable, binder-consolid- ated spunbonded web formed from load-carrying filaments and binder filaments where the melting point of the binder filaments is less than 30°C below that of the load-carrying filaments. The binder and the load-carrying filaments are preferably made of polyesters. The basis weight of the spunbonded web is within the range between 50 and 500 g/m2, the denier of the load-carrying and the binder filaments is within the range between I and 20 dtex, and the propor- tion of binder filament is between 5 and 25 percent by weight. The web has a particularly high thermal resis- tance, i.e. a particularly high resistance to high downstream processing temperatures. It is usable for example as a support material for roofing membranes and as a tufting support and so on.

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