Granted Patent B2

US 10,617,068 · App. 15/015,987 · Granted Apr 14, 2020

Inventors: Robert Garcia Pano (Tarragona, ES); Marie-Pierre Burckel (Ensisheim, FR)

Assignee: AVINTIV Specialty Materials Inc.

A01G13/0268B32B5/022B32B5/06B32B5/22B32B5/26D04H1/14D04H3/007D04H3/14D04H3/16A01G2009/1453B32B2255/02B32B2262/0207B32B2262/0253B32B2264/02B32B2264/10B32B2264/12B32B2307/724B32B2410/00Y02A40/252

Abstract

Claims (25)

1. A fabric, comprising:

a spunbond layer comprising filaments including a filler; and

the fabric comprises a basis weight of least about 12 grams-per-meter-squared(gsm);

wherein (i) an average transmittance value within the photosynthetic active radiation (PAR) across wavelengths 400 nm to 700 nm of the spunbond layer comprises 37% or less, and (ii) an infrared radiation (IR)-transmittance value across wavelengths 7000 nm to 14000 nm of the fabric comprises from about 10% to about 70%.

2. The fabric of claim 1 , wherein the filaments comprise from about 3 wt % to about 10 wt % of the filler.

3. The fabric of claim 2 , wherein the filler comprises organic particles, inorganic particles, or combinations thereof.

4. The fabric of claim 2 , wherein the filler comprises a polymer material having a melting point that exceeds the melting point of filaments of the spunbond layer.

5. The fabric of claim 2 , wherein the filler comprises a coated filler.

6. The fabric of claim 5 , wherein the coated filler comprises a coating comprising at least one organic material comprising one or more fatty acids, salts of fatty acids, esters of fatty acids, or any combination thereof.

7. The fabric of claim 6 , wherein the at least one organic material comprises stearic acid, stearate, ammonium stearate, calcium stearate or any combinations thereof.

8. The fabric of claim 2 , wherein the filler comprises an average particle size between about 2 microns to about 6 microns.

9. The fabric of claim 8 , wherein the fabric comprises an air permeability of greater than about 1200 CFM.

10. The fabric of claim 1 , wherein the spunbond layer comprises a thickness from about 3 mils to about 10 mils.

11. The fabric of claim 1 , wherein the filaments comprise a blend of the one or more polyolefin polymers and at least one elastomer.

12. The fabric of claim 11 , wherein the filaments comprise from about 0.1 wt % to about 20 wt % of the at least one elastomer.

13. The fabric of claim 11 , wherein the at least one elastomer comprises a polypropylene-based elastomer comprising isotactic propylene repeat units and random ethylene units.

14. The fabric of claim 13 , wherein the isotactic propylene repeat units comprise from about 70% to about 90% of the elastomer.

15. The fabric of claim 1 , wherein in the filaments comprise an ultraviolet stabilizer.

16. The fabric of claim 1 , further comprising an ultraviolet coating disposed onto at least one surface of the fabric.

17. The fabric of claim 1 , wherein the average transmittance value within the PAR across wavelengths 400 nm to 700 nm of the spunbond layer is from 25% to 35% and the IR-transmittance value across wavelengths 7000 nm to 14000 nm of the fabric comprises from about 40% to about 60%.

18. A fabric, comprising:

a spunbond layer comprising filaments comprising a blend of one or more polyolefin polymers and from about 0.1 wt % to about 20 wt % of at least one elastomer; wherein the filaments include a filler; and

the fabric comprises a basis weight of least about 12 grams-per-meter-squared(gsm);

wherein the average transmittance value within the photosynthetic active radiation (PAR) across wavelengths 400 nm to 700 nm of the spunbond layer comprises 37% or less, and wherein the at least one elastomer comprises a polypropylene-based elastomer comprising isotactic propylene repeat units and random ethylene units.

19. The fabric of claim 17 , wherein the isotactic propylene repeat units comprise from about 70% to about 90% of the at least one elastomer.

Assignments (40)

Continuity (2)

Cited By (1)

US 12,416,105