Lidar reflective black paper and non-woven articles

Abstract

A paper article, molded article, or non-woven article having a matrix made from pulp, a polymer, or a plurality of fibers and including a pigment having a reflectivity in the visible spectrum of electromagnetic radiation that is less than or equal to 10.0%, and a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is greater than or equal to 12%.

What is claimed is: 
     
         1 . A paper article comprising:
 a matrix made from pulp; and   a pigment having a reflectivity in the visible spectrum of electromagnetic radiation that is less than or equal to 10.0%, and a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is greater than or equal to 12%.   
     
     
         2 . The paper article of  claim 1 , wherein the pulp is dyed with the pigment. 
     
     
         3 . The paper article of  claim 2 , wherein the paper article has a reflectivity in the visible spectrum of electromagnetic radiation that is less than or equal to 10.0%, and a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is greater than or equal to 12%. 
     
     
         4 . The paper article of  claim 1 , wherein the paper article comprises greater than or equal to 0.1 wt. % and less than or equal to 22 wt. % of the pigment. 
     
     
         5 . The paper article of  claim 1 , wherein the paper article has a blackness My that is greater than or equal to 125 and less than or equal to 300. 
     
     
         6 . The paper article of  claim 1 , wherein the pigment is applied to at least a portion of the paper article by a liquidus marking material. 
     
     
         7 . The paper article of  claim 6 , wherein the liquidus marking material comprises greater than or equal to 0.1 wt. % and less than or equal to 22 wt. % of the pigment. 
     
     
         8 . The paper article of  claim 6 , wherein the portion of the paper article has a reflectivity in the visible spectrum of electromagnetic radiation that is less than or equal to 10.0%, and a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is greater than or equal to 12%. 
     
     
         9 . The paper article of  claim 6 , wherein the portion of the paper article has a blackness My that is greater than or equal to 125 and less than or equal to 300. 
     
     
         10 . The paper article of  claim 1 , wherein the pigment is incorporated into the paper article as a fiber. 
     
     
         11 . The paper article of  claim 10 , wherein the fiber has a diameter of greater than or equal to 1 μm and less than or equal to 50 μm. 
     
     
         12 . The paper article of  claim 10 , wherein the fiber comprises greater than or equal to 0.1 wt. % and less than or equal to 22 wt. % of the pigment. 
     
     
         13 . The paper article of  claim 10 , wherein at least a portion of the paper article comprises the fibers. 
     
     
         14 . The paper article of  claim 13 , wherein the portion of the paper article has a reflectivity in the visible spectrum of electromagnetic radiation that is less than or equal to 10.0%, and a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is greater than or equal to 12%. 
     
     
         15 . The paper article of  claim 13 , wherein the portion of the paper article has a blackness My that is greater than or equal to 125 and less than or equal to 300. 
     
     
         16 . The paper article of  claim 6 , wherein in the portion of the paper article is a unique design. 
     
     
         17 . The paper article of  claim 16 , wherein the unique design is a glyph, bar code, or QR code, or decorative image. 
     
     
         18 . The paper article of  claim 1 , wherein the pigment is copper oxide nano-crystallites. 
     
     
         19 . The paper article of  claim 18 , wherein the copper oxide crystallites have an average particle size that is greater than or equal to 5 nm and less than or equal to 15 nm. 
     
     
         20 . The paper article  claim 18 , wherein the copper oxide crystallites have a ratio of (−111)/(111) greater than or equal to 0.5 and less than or equal to 1.5. 
     
     
         21 . A tape, sticker, wallpaper, security paper, or temporary tattoo comprising the paper article of  claim 1 . 
     
     
         22 . A molded article comprising:
 a polymer; and   a pigment having a reflectivity in the visible spectrum of electromagnetic radiation that is less than or equal to 10.0%, and a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is greater than or equal to 12%.   
     
     
         23 . The molded article of  claim 22 , wherein the molded article comprises greater than or equal to 0.1 wt. % and less than or equal to 22 wt. % of the pigment. 
     
     
         24 . The molded article of  claim 22 , wherein the molded article has a blackness My that is greater than or equal to 125 and less than or equal to 300. 
     
     
         25 . The molded article of  claim 22 , wherein the molded article has a reflectivity in the visible spectrum of electromagnetic radiation that is less than or equal to 10.0%, and a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is greater than or equal to 12%. 
     
     
         26 . The molded article of  claim 22 , wherein the polymer is selected from the group consisting of polyamide, polyacrylonitrile, polyethylene terephthanlate (PET), polybutyrate, polyurethane, nylon, polyester, polymethyl methacrylate (PMMA), polyvinyl chloride (PVC), polypropylene, polystyrene (PS), polytetrafluoroethylene (PTFE), low-density polythene (LDPE), high-density polythene (HDPE), polyimides, polysiloxanes, polypropylene, epoxy, melamine formaldehyde, and phenol formaldehyde. 
     
     
         27 . The molded article of  claim 22 , wherein the polymer is a natural or synthetic elastomer. 
     
     
         28 . The molded article of  claim 27 , wherein the elastomer is selected from the group consisting silicone rubber, nitrile rubber, styrene-butadiene, chlorpene, cis-polyisoprene, cis-polybutadiene, and ethylene-propylene. 
     
     
         29 . The molded article of  claim 22 , wherein the pigment is copper oxide nano-crystallites. 
     
     
         30 . The molded article of  claim 29 , wherein the copper oxide crystallites have an average particle size that is greater than or equal to 5 nm and less than or equal to 15 nm. 
     
     
         31 . The molded article of  claim 29 , wherein the copper oxide crystallites have a ratio of (−111)/(111) greater than or equal to 0.5 and less than or equal to 1.5. 
     
     
         32 . The molded article of  claim 22 , wherein the molded article is furniture, a building material, a vehicle component, a consumer electronic component, a consumer product, a plastic bag, a film, protective equipment, a tire, a physical marker, or a sign. 
     
     
         33 . A non-woven article comprising:
 a plurality of fibers; and   a pigment having a reflectivity in the visible spectrum of electromagnetic radiation that is less than or equal to 10.0%, and a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is greater than or equal to 12%.   
     
     
         34 . The non-woven article of  claim 33 , wherein the pigment is present in a fiber or filament. 
     
     
         35 . The non-woven article of  claim 34 , wherein the fiber or filament comprises greater than or equal to 0.1 wt. % and less than or equal to 22 wt. % of the pigment. 
     
     
         36 . The non-woven article of  claim 33 , wherein the non-woven article has a blackness My that is greater than or equal to 125 and less than or equal to 300. 
     
     
         37 . The non-woven article of  claim 33 , wherein the non-woven article has a reflectivity in the visible spectrum of electromagnetic radiation that is less than or equal to 10.0%, and a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is greater than or equal to 12%. 
     
     
         38 . The non-woven article of  claim 34 , wherein a portion of the non-woven article comprises the fiber or filament with the pigment. 
     
     
         39 . The non-woven article of  claim 38 , wherein the portion of the non-woven article has a blackness My that is greater than or equal to 125 and less than or equal to 300. 
     
     
         40 . The non-woven article of  claim 38 , wherein portion of the non-woven article has a reflectivity in the visible spectrum of electromagnetic radiation that is less than or equal to 10.0%, and a reflectivity in the near-IR and LiDAR spectrum of electromagnetic radiation that is greater than or equal to 12%. 
     
     
         41 . The non-woven article of  claim 38 , wherein in the portion of the paper article is a unique design. 
     
     
         42 . The non-woven article of  claim 41 , wherein the unique design is a glyph, bar code, or QR code, or decorative image. 
     
     
         43 . The non-woven article of  claim 33 , wherein the pigment is copper oxide nano-crystallites. 
     
     
         44 . The non-woven article of  claim 33 , wherein the copper oxide crystallites have an average particle size that is greater than or equal to 5 nm and less than or equal to 15 nm. 
     
     
         45 . The non-woven article of  claim 33 , wherein the copper oxide crystallites have a ratio of (−111)/(111) greater than or equal to 0.5 and less than or equal to 1.5.