# US 2009/0260646 A1 · Fiber-Containing Product for Hair and Head Dressing Product Formed Therefrom > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2009/0260646 A1 - Document ID: US20090260646A1 - Status: Published application - Kind: A1 - Application number: 11/991,865 - Filed: 2006-09-08 - Published: 2009-10-22 - Earliest claimed: 2005-09-13 - Assignees: Kaneka Corporation - Inventors: Toshiyuki Masuda - Web page: https://patentgrep.com/patent/US20090260646A1 ## CPC - D01F 4/00: Monocomponent artificial filaments or the like of proteins; Manufacture thereof - A41G 3/0083: {Wigs characterised by their hair filaments} - D01F 1/07: for making fire- or flame-proof filaments - D01F 6/62: from polyesters - D01F: CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS - A41G: ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS ## Abstract Disclosed is a fiber for use as hair which has touch/shine like a hair, excellent curl-retaining property and flame retardancy. Also disclosed is a head-dressing product produced using the fiber. The fiber comprises (A) 90 to 10 parts by weight of polyester fiber and (B) 10 to 90 parts by weight of a reproduced collagen fiber containing an aluminum compound. Preferably, the aluminium compound is an aluminium salt and is contained in an amount of 8 to 20% by weight in terms of aluminium oxide. The polyester fiber may contain a flame retarder. ## Claims ### Claim 1 A fiber-containing product for hair comprising 90 to 10 parts by weight of polyester-based fiber (A) and 10 to 90 parts by weight of regenerated collagen fiber (B) that includes an aluminum compound, the total of the (A) and the (B) being 100 parts by weight. ### Claim 2 (depends on 1) The fiber-containing product for hair according to claim 1, wherein the polyester-based fiber (A) is a polyester-based fiber comprising at least one selected from the group consisting of polyalkylene terephthalate, copolymerized polyester that includes polyalkylene terephthalate as a main component, and a polymer alloy that includes polyester as a main component. ### Claim 3 (depends on 2) The fiber-containing product for hair according to claim 2, wherein the polyester-based fiber (A) is at least one polymer selected from the group consisting of polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate, polyester that includes polyethylene terephthalate as a main component and is copolymerized with ethylene glycol ether of bisphenol A, polyester that includes polyethylene terephthalate as a main component and is copolymerized with 1,4-cyclohexanedimethanol, polyester that includes polyethylene terephthalate as a main component and is copolymerized with dihydroxyethyl 5-sodium sulfoisophthalate, a polymer alloy of polyethylene terephthalate and polyethylene naphthalate, a polymer alloy of polyethylene terephthalate and polyarylate, and a polymer alloy of polyethylene terephthalate and polycarbonate. ### Claim 4 (depends on 1) The fiber-containing product for hair according to claim 1, wherein the polyester-based fiber (A) has a heat shrinkage factor at 180° C. of 5% or less. ### Claim 5 (depends on 1) The fiber-containing product for hair according to claim 1, wherein the regenerated collagen fiber (B) is a regenerated collagen fiber that includes 8 to 20 wt % of an aluminum compound on an aluminum oxide basis. ### Claim 6 (depends on 1) The fiber-containing product for hair according to claim 1, wherein the regenerated collagen fiber (B) has a heat shrinkage factor at 160° C. of 5% or less. ### Claim 7 (depends on 1) The fiber-containing product for hair according to claim 1, wherein the polyester-based fiber (A) has a limiting oxygen index (LOI value) of 25 or greater. ### Claim 8 (depends on 1) The fiber-containing product for hair according to claim 1, wherein the polyester (A) is a polyester that further includes a phosphorus-based flame retardant (D) and/or a bromine-based flame retardant (E). ### Claim 9 (depends on 8) The fiber-containing product for hair according to claim 8, wherein the phosphorus-based flame retardant (D) is at least one compound selected from the group consisting of a phosphate-based compound, a phosphonate-based compound, a phosphinate-based compound, a phosphine oxide-based compound, a phosphonite-based compound, a phosphinite-based compound, a phosphine-based compound, a condensed phosphoric acid ester compound, a phosphoric acid ester amide compound, and an organic cyclic phosphorus-based compound. ### Claim 10 (depends on 8) The fiber-containing product for hair according to claim 8, wherein the bromine-based flame retardant (E) is at least one compound selected from the group consisting of a bromine-containing phosphoric acid ester-based flame retardant, a brominated polystyrene-based flame retardant, a brominated benzyl acrylate-based flame retardant, a brominated epoxy-based flame retardant, a brominated polycarbonate-based flame retardant, a tetrabromobisphenol A derivative, a bromine-containing triazine-based compound, and a bromine-containing isocyanuric acid-based compound. ### Claim 11 (depends on 1) The fiber-containing product for hair according to claim 1, wherein at least one fiber selected from the polyester-based fiber (A) and the regenerated collagen fiber (B) includes at least one fine particle selected from an organic fine particle (F) and an inorganic fine particle (G). ### Claim 12 (depends on 11) The fiber-containing product for hair according to claim 11, wherein the organic fine particle (F) is at least one selected from the group consisting of polyarylate, polyamide, fluorocarbon resin, silicone resin, cross-linked acrylic resin, and cross-linked polystyrene. ### Claim 13 (depends on 11) The fiber-containing product for hair according to claim 11, wherein the inorganic fine particle (G) is at least one selected from the group consisting of calcium carbonate, silicon oxide, titanium oxide, aluminum oxide, zinc oxide, talc, kaoline, montmorillonite, bentonite, and mica. ### Claim 14 A head dressing product comprising the fiber-containing product for hair formed of 90 to 10 parts by weight of polyester-based fiber (A) and 10 to 90 parts by weight of regenerated collagen fiber (B) that includes an aluminum compound, the total of the (A) and the (B) being 100 parts by weight. ### Claim 15 (depends on 14) The head dressing product according to claim 14, wherein the head dressing product is a weave, wig, toupee, hair extension or hair accessory. ### Claim 16 (depends on 1) The fiber-containing product for hair according to claim 1, comprising 85 to 15 parts by weight of the polyester-based fiber (A) and 15 to 85 parts by weight of the regenerated collagen fiber (B) that includes an aluminum compound. ### Claim 17 (depends on 16) The fiber-containing product for hair according to claim 16, comprising 75 to 15 parts by weight of the polyester-based fiber (A) and 25 to 85 parts by weight of the regenerated collagen fiber (B) that includes an aluminum compound. ### Claim 18 (depends on 1) The fiber-containing product for hair according to claim 1, wherein the polyester-based fiber (A) has a single fiber fineness ranging from 20 to 100 dtex, and the regenerated collagen fiber (B) has a single fiber fineness ranging from 30 to 90 dtex. ### Claim 19 (depends on 11) The fiber-containing product for hair according to claim 11, wherein the organic fine particle (F) and the inorganic fine particle (G) have an average particle size ranging from 0.1 to 15 μm. ### Claim 20 (depends on 11) The fiber-containing product for hair according to claim 11, wherein at least one particle selected from the organic fine particle (F) and the inorganic fine particle (G) is added in an amount of 0.1 to 5 parts by weight relative to 100 parts by weight of the polyester-based fiber (A) or the regenerated collagen fiber (B). ### Claim 21 (depends on 1) The fiber-containing product for hair according to claim 1, wherein the fiber-containing product for hair has flame retardancy that shows a combustion time of less than 5 seconds, the combustion time being a combustion time after a 20 mm flame is brought into contact with a fixed filament having an effective length of 120 mm for 3 seconds, and then removed.