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Paramétrages

Paramétrages

1. WO2005061778 - TEXTILE MULTICOUCHE ENDUIT D'ENVERS, SON PROCEDE DE FABRICATION ET SES UTILISATIONS

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

What Is Claimed Is:
1. A textile having a plurality of backcoating layers comprising:
a) a textile;
b) a tacky first coating layer; and
c) a non-blocking second coating layer;
wherein the first coating layer is between the textile and the second coating layer.
2. The textile of claim 1, wherein the first coating layer exhibits a Blocking Scale score of 3 or less.
3. The textile of claim 1, wherein the first coating layer exhibits a Blocking Scale score of 2 or less.
4. The textile of claim 1, wherein the second coating layer exhibits a Blocking Scale score of 7 or more.
5. The textile of claim 1, wherein the second coating layer exhibits a

Blocking Scale score of 8 or more.
6. The textile of claim 1, wherein the first coating layer comprises polymers having an average Tg of from about -30 to about 15° C.
7. The textile of claim 1, wherein the first coating layer comprises polymers of an average Tg of from about 15° C to about 25° C, and containing a sufficiently small amount of filler or other component to reduce tackiness of the coating layer, and having sufficiently small amount of crosslinking agent or functionality that ' would raise the effective Tg of the polymers in the coating composition, so that the first coating layer exhibits a Blocking Scale score of 4 or less.
8. The textile of claim 1, wherein the first coating layer comprises polymers having an average Tg of greater than about 30° C, and additionally comprising tackifiers and/or plasticizers and/or other such materials that modify the behavior of the composition in an effective amount so that the first coating layer exhibits a Blocking Scale score of 4 or less.
9. The textile of claim 1, wherein the first coating layer is provided at a coating weight of from about 0.1 to about 10 oz/sq yd
10. The textile of claim 1, wherein the first coating layer is provided at a coating weight of from about 0.1 to about 3 oz/sq yd.

11. The textile of claim 1 , wherein the first coating layer is provided at a coating weight of from about 0.2 to about 1 oz/sq yd.
12. The textile of claim 1, wherein the first coating layer is present only on the upper surfaces of the textile fibers so that the second non-blocking coating is adhered to the textile through the first tacky coating material.
13. The textile of claim 1, wherein the first coating layer is present as a continuous, coating layer.
14. The textile of claim 1, wherein the non-blocking second coating layer comprises polymers of an average Tg greater than about 30° C.
15. The textile of claim 1 , wherein the non-blocking second coating layer comprises polymers of an average Tg of from about 35 to about 60° C.
16. The textile of claim 1, wherein the non-blocking second coating layer comprises polymers having an average Tg below about 25° C, and additionally provided with filler or other component to reduce tackiness of the coating layer in an effective amount so that the first coating layer exhibits a Blocking Scale score of 6 or more.
17. The textile of claim 1, wherein the non-blocking second coating layer does not contain silicone in an amount that adversely affects resistance of the fabric to oils.
18. The textile of claim 1 , wherein the non-blocking second coating layer comprises polymers having an average Tg below about 25° C, and additionally provided with additionally provided with a crosslinking agent or functionality to raise the effective Tg of the polymers in the coating composition to reduce tackiness of the coating layer in an effective amount so that the first coating layer exhibits a Blocking Scale score of 6 or more.
19. The textile of claim 18, wherein the crosslinking agent is selected from an aziridine, a carbodimide, an epoxy, melamine-formaldehyde, or a polyisocyanate.

20. The textile of claim 1, wherein the non-blocking second coating layer is provided at a coating weight of from about 0.1 to about 10 oz/sq yd.
21. The textile of claim 1 , wherein the non-blocking second coating layer is provided at a coating weight of from about 0.5 to about 8 oz/sq yd.

22. The textile of claim 1, wherein the non-blocking second coating layer is provided at a coating weight of from about 1 to about 3 oz/sq yd.
23. The textile of claim 1, wherein the non-blocking second coating layer is provided as a continuous coating layer.
24. A method of coating a textile substrate comprising
a) providing the textile substrate having a major front surface and a major back surface;
b) coating the major back surface of the textile substrate with a tacky first coating composition to form a tacky first coating layer;
c) coating the major back surface of the textile substrate with a non- blocking second coating composition to form a non-blocking second coating layer;
wherein the first coating layer is between the major back surface of the textile substrate and the second coating layer.
25. The method of claim 24, wherein the entire textile is first treated with an oleophobic or hydrophobic treatment prior to application of the tacky first coating composition to the back surface of the textile.
26. The method of claim 24, wherein the entire textile is treated with an oleophobic or hydrophobic treatment after application of the tacky first coating composition to the back surface of the textile and before application of the non-blocking second coating composition to the back surface of the textile.
27. The method of claim 24 wherein the entire textile is treated with an oleophobic or hydrophobic treatment after application of the tacky first coating composition and the non-blocking second coating composition to the back surface of the textile.
28. The method of claim 24, wherein the entire textile is first treated with an oleophobic treatment prior to application of the tacky first coating composition to the back surface of the textile, and
the entire textile is treated with a hydrophobic treatment after application of the tacky first coating composition to the back surface of the textile and before application of the non-blocking second coating composition to the back surface of the textile.

29. The method of claim 24, wherein the entire textile is treated with an oleophobic or hydrophobic treatment after application of the first tacky coating composition and the non-blocking second coating composition.