# US 12,006,600 B2 · Yarn and fabric with nano-powder mixture > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,006,600 B2 - Document ID: US12006600B2 - Status: Granted - Kind: B2 - Application number: 17/529,502 - Filed: 2021-11-18 - Published: 2023-04-06 - Granted: 2024-06-11 - Earliest claimed: 2021-10-05 - Assignees: Star Lace Co., Ltd. - Applicants: Star Lace Co., Ltd. - Inventors: Sheng-Yi Lin - Web page: https://patentgrep.com/patent/US12006600B2 ## CPC - D03D 1/0058: {Electromagnetic radiation resistant} - D03D 15/283: synthetic polymer-based, e.g. polyamide or polyester fibres (cellulose-based artificial fibres D03D15/225) - D01D 5/00: Formation of filaments, threads, or the like - D01F 1/10: Other agents for modifying properties - D01F 8/18: from other substances - D02G 3/448: {Yarns or threads for use in medical applications (D02G3/449 takes precedence; surgical suture materials A61L17/00)} - D03D 15/25: Metal - D03D 15/292: Conjugate, i.e. bi- or multicomponent, fibres or filaments - B82Y 30/00: Nanotechnology for materials or surface science, e.g. nanocomposites - B82Y 40/00: Manufacture or treatment of nanostructures - D10B 2501/02: Underwear - D10B 2501/04: Outerwear; Protective garments - D10B 2509/00: Medical; Hygiene - D03D: WOVEN FABRICS; METHODS OF WEAVING; LOOMS - D01D: MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS - D01F: CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS - D02G: CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS - B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES - D10B: INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES ## Abstract A yarn made from a mixture of a grain and a first polymer by spinning is provides. The yarn includes a plurality of fibers. Each fiber has a surface layer and a core layer surrounded by the surface layer. The surface layer is made from the grain and the first polymer. The core layer is made from the first polymer. The grain includes a nano-powder mixture and a second polymer. A weight percentage of the nano-powder mixture in the grain is from 60% to 70%. The nano-powder mixture includes silicon dioxide, magnesium oxide and aluminum oxide. A weight ratio of silicon dioxide to magnesium oxide in the nano-powder mixture is from 2:1 to 1:2. A weight ratio of silicon dioxide to aluminum oxide in the nano-powder mixture is from 2:1 to 1:2. ## Claims ### Claim 1 A yarn made from a mixture of a grain and a first polymer by spinning, wherein the yarn comprises a plurality of fibers, each of the fibers has a surface layer and a core layer, the core layer is surrounded by the surface layer, the surface layer is made from the grain and the first polymer, the core layer is made from the first polymer, the grain is produced from a nano-powder mixture and a second polymer at a temperature between 235° C. to 245° C. and an injection pressure of the jet between 400 to 800 kg/cm2, and a particle size of the grain is from 0.1 cm to 0.5 cm, a weight percentage of the nano-powder mixture in the grain is from 60% to 70%, the nano-powder mixture comprises silicon dioxide, magnesium oxide and aluminum oxide, a weight ratio of the silicon dioxide to the magnesium oxide in the nano-powder mixture is from 2:1 to 1:2, and a weight ratio of the silicon dioxide to the aluminum oxide in the nano-powder mixture is from 2:1 to 1:2, the first polymer is selected from the group consisting of polyethylene, polypropylene, polyester, polyacrylonitrile, polyamide, or any combination thereof, the second polymer is selected from the group consisting of polyethylene, polypropylene, polyester, polyacrylonitrile, polyamide, or any combination thereof. ### Claim 2 (depends on 1) The yarn of claim 1, wherein the nano-powder mixture further comprises calcium oxide, and a weight ratio of the silicon dioxide to the calcium oxide in the nano-powder mixture is from 2:1 to 1:2. ### Claim 3 (depends on 1) The yarn of claim 1, wherein the nano-powder mixture further comprises zinc oxide, and a weight ratio of the silicon dioxide to the zinc oxide in the nano-powder mixture is from 2:1 to 1:2. ### Claim 4 (depends on 1) The yarn of claim 1, wherein the nano-powder mixture further comprises potassium oxide, and a weight ratio of the silicon dioxide to the potassium oxide in the nano-powder mixture is from 2:1 to 1:2. ### Claim 5 (depends on 1) The yarn of claim 1, wherein the nano-powder mixture further comprises calcium oxide, zinc oxide and potassium oxide, and the silicon dioxide, the magnesium oxide, the aluminum oxide, the calcium oxide, the zinc oxide and the potassium oxide are in a weight ratio of 1:1:1:1:1:1. ### Claim 6 (depends on 1) The yarn of claim 1, wherein a particle size of the nano-powder mixture is from 450 nm to 500 nm. ### Claim 7 (depends on 1) The yarn of claim 1, wherein a weight percentage of the core layer in each of the fibers is from 70% to 80%, and a weight percentage of the surface layer in each of the fibers is from 20% to 30%. ### Claim 8 (depends on 7) The yarn of claim 7, wherein a weight percentage of the nano-powder mixture in the surface layer of each of the fibers is from 5% to 10%. ### Claim 9 (depends on 1) A fabric manufactured by textile processing from warp yarns and weft yarns, wherein at least one of the warp yarns and the weft yarns comprises the yarn of claim 1. ### Claim 10 (depends on 9) The fabric of claim 9, wherein the nano-powder mixture further comprises calcium oxide, and a weight ratio of the silicon dioxide to the calcium oxide in the nano-powder mixture is from 2:1 to 1:2. ### Claim 11 (depends on 9) The fabric of claim 9, wherein the nano-powder mixture further comprises zinc oxide, and a weight ratio of the silicon dioxide to the zinc oxide in the nano-powder mixture is from 2:1 to 1:2. ### Claim 12 (depends on 9) The fabric of claim 9, wherein the nano-powder mixture further comprises potassium oxide, and a weight ratio of the silicon dioxide to the potassium oxide in the nano-powder mixture is from 2:1 to 1:2. ### Claim 13 (depends on 9) The fabric of claim 9, wherein the nano-powder mixture further comprises calcium oxide, zinc oxide and potassium oxide, and the silicon dioxide, the magnesium oxide, the aluminum oxide, the calcium oxide, the zinc oxide and the potassium oxide are in a weight ratio of 1:1:1:1:1:1. ### Claim 14 (depends on 9) The fabric of claim 9, wherein a weight percentage of the core layer in each of the fibers is from 70% to 80%, and a weight percentage of the surface layer in each of the fibers is from 20% to 30%. ### Claim 15 (depends on 14) The fabric of claim 14, wherein a weight percentage of the nano-powder mixture in the surface layer of each of the fibers is from 5% to 10%. ### Claim 16 (depends on 1) A fabric manufactured by knitting the yarn of claim 1. ### Claim 17 (depends on 16) The fabric of claim 16, wherein the nano-powder mixture further comprises calcium oxide, and a weight ratio of the silicon dioxide to the calcium oxide in the nano-powder mixture is from 2:1 to 1:2. ### Claim 18 (depends on 16) The fabric of claim 16, wherein the nano-powder mixture further comprises zinc oxide, and a weight ratio of the silicon dioxide to the zinc oxide in the nano-powder mixture is from 2:1 to 1:2. ### Claim 19 (depends on 16) The fabric of claim 16, wherein the nano-powder mixture further comprises potassium oxide, and a weight ratio of the silicon dioxide to the potassium oxide in the nano-powder mixture is from 2:1 to 1:2. ### Claim 20 (depends on 16) The fabric of claim 16, wherein the nano-powder mixture further comprises calcium oxide, zinc oxide and potassium oxide, and the silicon dioxide, the magnesium oxide, the aluminum oxide, the calcium oxide, the zinc oxide and the potassium oxide are in a weight ratio of 1:1:1:1:1:1. ### Claim 21 (depends on 16) The fabric of claim 16, wherein a weight percentage of the core layer in each of the fibers is from 70% to 80%, and a weight percentage of the surface layer in each of the fibers is from 20% to 30%. ### Claim 22 (depends on 21) The fabric of claim 21, wherein a weight percentage of the nano-powder mixture in the surface layer of each of the fibers is from 5% to 10%.