US 11,905,652 B2
Composite material and carpet composition comprising same
Kam C. Lui, Kennesaw, GA (US)
Assigned to Columbia Insurance Company, Omaha, NE (US)
Filed by Columbia Insurance Company, Omaha, NE (US)
Filed on Jun. 25, 2021, as Appl. No. 17/358,546.
Claims priority of provisional application 63/044,467, filed on Jun. 26, 2020.
Prior Publication US 2021/0401209 A1, Dec. 30, 2021
Int. Cl. A47G 27/02 (2006.01); D06N 7/00 (2006.01); B32B 5/02 (2006.01); B32B 27/12 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 27/08 (2006.01); D05C 17/02 (2006.01); B32B 27/02 (2006.01)
CPC D06N 7/0068 (2013.01) [A47G 27/02 (2013.01); B32B 5/022 (2013.01); B32B 27/02 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); D05C 17/023 (2013.01); D06N 7/0081 (2013.01); B32B 2250/03 (2013.01); B32B 2250/04 (2013.01); B32B 2250/40 (2013.01); B32B 2250/42 (2013.01); B32B 2270/00 (2013.01); B32B 2471/02 (2013.01); D06N 2211/066 (2013.01); D10B 2503/042 (2013.01); Y10T 428/23979 (2015.04)] 24 Claims
OG exemplary drawing
 
1. A composite comprising:
a. a continuous or a non-continuous first polymer film having a face side and a back side, wherein the first polymer film comprises a first polymer blend comprising a first polymer and a second polymer, wherein the first polymer is immiscible in the second polymer, wherein the first polymer film is stretched in a single stretching direction;
b. a first non-woven fabric having a face side and a back side, wherein the face side of the first non-woven fabric contacts the back side of the first polymer film;
c. a continuous or a non-continuous second polymer film having a face side and a back side, wherein the second polymer film comprises a second polymer blend comprising a third polymer and a fourth polymer, wherein the third polymer is immiscible in the fourth polymer, wherein the face side of the second polymer film contacts the back side of the first non-woven fabric, wherein the second polymer film is stretched in a single stretching direction; and
d. a second non-woven fabric having a face side and a back side, wherein the face side of the second non-woven fabric contacts the back side of the second polymer film,
wherein the composite comprises a machine direction and a cross direction; and
i) wherein the single stretching direction of the first polymer film is arranged in the machine direction of the composite and the single stretching direction of the second polymer film is arranged in the cross direction of the composite; or
ii) wherein the single stretching direction of the second polymer film is arranged in the machine direction of the composite and the single stretching direction of the first polymer film is arranged in the cross direction of the composite.