US 12,226,991 B2
Discoloration resistant fabric
William Ronald Bell, Ethelsville, AL (US); John R. Coulter, North Huntingdon, PA (US); and Marilyn Germano, Ravenna, OH (US)
Assigned to SURTECO NORTH AMERICA, INC., Myrtle Beach, SC (US)
Appl. No. 16/967,850
Filed by SURTECO NORTH AMERICA, INC., Myrtle Beach, SC (US)
PCT Filed Feb. 10, 2019, PCT No. PCT/US2019/017404
§ 371(c)(1), (2) Date Aug. 6, 2020,
PCT Pub. No. WO2019/157412, PCT Pub. Date Aug. 15, 2019.
Claims priority of provisional application 62/629,380, filed on Feb. 12, 2018.
Prior Publication US 2021/0046728 A1, Feb. 18, 2021
Int. Cl. B32B 5/06 (2006.01); A47C 7/02 (2006.01); A47C 7/18 (2006.01); B32B 5/02 (2006.01); B32B 5/12 (2006.01); B32B 5/18 (2006.01); B32B 5/24 (2006.01); B32B 5/32 (2006.01); B32B 7/12 (2006.01); B32B 27/06 (2006.01); B32B 27/08 (2006.01); B32B 27/12 (2006.01); B32B 27/20 (2006.01); B32B 27/22 (2006.01); B32B 27/30 (2006.01); B32B 27/36 (2006.01); C08K 3/22 (2006.01); C08K 5/00 (2006.01); C08L 27/08 (2006.01); C08L 67/02 (2006.01); C09D 127/06 (2006.01); D06N 3/06 (2006.01)
CPC B32B 5/06 (2013.01) [A47C 7/021 (2013.01); A47C 7/185 (2013.01); B32B 5/022 (2013.01); B32B 5/024 (2013.01); B32B 5/12 (2013.01); B32B 5/18 (2013.01); B32B 5/245 (2013.01); B32B 5/32 (2013.01); B32B 7/12 (2013.01); B32B 27/065 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/22 (2013.01); B32B 27/36 (2013.01); C08K 3/22 (2013.01); C08K 5/0016 (2013.01); C08K 5/005 (2013.01); C09D 127/06 (2013.01); D06N 3/06 (2013.01); B32B 27/20 (2013.01); B32B 27/304 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2255/102 (2013.01); B32B 2255/26 (2013.01); B32B 2266/0228 (2013.01); B32B 2266/0235 (2013.01); B32B 2266/0264 (2013.01); B32B 2307/402 (2013.01); B32B 2307/7145 (2013.01); B32B 2307/718 (2013.01); B32B 2367/00 (2013.01); B32B 2601/00 (2013.01); B32B 2605/12 (2013.01); C08K 2003/2241 (2013.01); C08L 27/08 (2013.01); C08L 67/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fabric, comprising:
a) a substrate comprising a film-based, woven, or non-woven cloth, the substrate comprising a first surface and a second surface; and
b) provided on the first surface of said substrate, a polymeric film effective to help prevent discoloration resulting from migration and transportation of at least one chromophore produced by the Streptoverticillium reticulum bacteria, wherein the polymeric film comprises:
1) at least one polyvinyl chloride resin;
2) at least one adipic acid polyester polymeric plasticizer effective to help plasticize the at least one polyvinyl chloride resin, wherein said at least one adipic acid polyester polymeric plasticizer comprises a polymeric plasticizer that has a weight average molecular weight from 1,000 to 75,000 g/mol, wherein a weight ratio of polyvinyl chloride resin to polymeric plasticizer is from 3:4 to 4:3;
3) 10 to 30 parts by weight TiO2 per 100 parts by weight of the at least one polyvinyl chloride resin, wherein the TiO2 has a particle size of about 0.5 to about 1.0 microns; and
4) 5 to 5 parts by weight of one or more sterically hindered, hydroxyl functional, aromatic antioxidants per 100 parts by weight of the at least one polyvinyl chloride resin, wherein the one or more sterically hindered, hydroxyl functional, aromatic antioxidants each comprise from 2-10 sterically hindered phenol groups, each sterically hindered phenol group comprising at least two tBu groups, and
wherein the film comprises from 38 wt. % to 44 wt. % of the polyvinyl chloride resin.