# US 2019/0169378 A1 · Covering material, cable, and method of manufacturing cable > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0169378 A1 - Document ID: US20190169378A1 - Status: Published application - Kind: A1 - Application number: 16/155,952 - Filed: 2018-10-10 - Published: 2019-06-06 - Earliest claimed: 2017-12-04 - Assignees: Hitachi Metals, Ltd. - Applicants: Hitachi Metals, Ltd. - Inventors: Hideyuki SUZUKI; Sohei KODAMA - Web page: https://patentgrep.com/patent/US20190169378A1 ## CPC - C08J 3/24: Crosslinking, e.g. vulcanising, of macromolecules (mechanical aspects B29C35/00; crosslinking agents C08K) - B29C 48/022: {characterised by the choice of material} - B29C 48/06: Rod-shaped - B29C 48/154: Coating solid articles, i.e. non-hollow articles - B29C 48/91: Heating, e.g. for cross linking - C08J 3/243: {Two or more independent types of crosslinking for one or more polymers} - C08J 7/123: {Treatment by wave energy or particle radiation (C08J7/18 takes precedence)} - C08L 23/06: Polyethylene - C08L 23/0815: {with aliphatic 1-olefins containing one carbon-to-carbon double bond} - C08L 23/0853: Ethylene vinyl acetate copolymers - H01B 3/42: polyesters; polyethers; polyacetals - H01B 3/441: {from alkenes} - H01B 3/447: {from acrylic compounds} - H01B 3/448: {from other vinyl compounds} - B29K 2023/0625: {LLDPE, i.e. linear low density polyethylene} - B29K 2023/083: {EVA, i.e. ethylene vinyl acetate copolymer} - B29K 2105/0026: {Flame proofing or flame retarding agents} - B29K 2105/0032: {Pigments, colouring agents or opacifiyng agents} - B29L 2011/0075: {Light guides, optical cables} - B29L 2031/3462: {Cables} - C08J 2323/06: Polyethene - C08J 2323/08: Copolymers of ethene (C08J2323/16 takes precedence) - C08J 2423/08: Copolymers of ethene (C08J2423/16 takes precedence) - C08J 2423/26: modified by chemical after-treatment - C08J 2433/14: of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen - C08L 2203/202: use in electrical wires or wirecoating - C08L 2205/025: containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure - C08L 2205/03: containing three or more polymers in a blend - C08L 2207/066: LDPE (radical process) - C08L 2312/00: Crosslinking - H01B 3/40: epoxy resins - C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29) - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) - B29K: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS - B29L: INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES ## Abstract A covering material includes: a resin component containing at least one of a crosslinkable resin having photo crosslinkability and thermal crosslinkability and a crosslinkable monomer having photo crosslinkability and thermal crosslinkability; a photoinitiator; and a thermal initiator. A cable includes a core and the covering material that covers the core. A method of manufacturing a cable includes covering a core with a covering material and crosslinking the covering material, wherein the covering material includes: a resin component containing at least one of a crosslinkable resin having photo crosslinkability and thermal crosslinkability and a crosslinkable monomer having photo crosslinkability and thermal crosslinkability; a photoinitiator; and a thermal initiator. ## Claims ### Claim 1 A covering material comprising: a resin component that comprises at least one of a crosslinkable resin having photo crosslinkability and thermal crosslinkability and a crosslinkable monomer having photo crosslinkability and thermal crosslinkability; a photoinitiator; and a thermal initiator. ### Claim 2 (depends on 1) The covering material according to claim 1, wherein the covering material is moldable by extrusion. ### Claim 3 (depends on 1) The covering material according to claim 1, wherein the resin component comprises the crosslinkable resin having at least one selected from the group consisting of an acrylic group, a methacrylic group, a vinyl group, a vinyl ether group, an oxetane group, an epoxy group, an alicyclic epoxy group, an amino group, maleic acid, and maleic anhydride, and wherein the crosslinkable resin occupies 5% by mass or more of a total mass of the resin component. ### Claim 4 (depends on 3) The covering material according to claim 3, wherein, the crosslinkable resin comprises at least one selected from the group consisting of: a polyolefin-based resin having at least one functional group selected from the group consisting of an acrylic group, a methacrylic group, a vinyl group, a vinyl ether group, an oxetane group, an epoxy group, an alicyclic epoxy group, an amino group, maleic acid, and maleic anhydride is introduced; and a rubber-based resin having at least one functional group selected from the group consisting of an acrylic group, a methacrylic group, a vinyl group, a vinyl ether group, an oxetane group, an epoxy group, an alicyclic epoxy group, an amino group, maleic acid, and maleic anhydride is introduced. ### Claim 5 (depends on 3) The covering material according to claim 3, wherein the crosslinkable resin comprises maleic acid modified polyolefin. ### Claim 6 (depends on 1) The covering material according to claim 1, wherein the resin component comprises a crosslinkable monomer having at least one selected from the group consisting of an acrylic group, a methacrylic group, a vinyl group, a vinyl ether group, an oxetane group, an epoxy group, an alicyclic epoxy group, an amino group, maleic acid, and maleic anhydride. ### Claim 7 (depends on 6) The covering material according to claim 6, wherein the covering material comprises 1 to 30 parts by mass of the crosslinkable monomer to 100 parts by mass of components excluding the crosslinkable monomer from the resin component. ### Claim 8 (depends on 1) The covering material according to claim 1, wherein the resin component comprises a crosslinkable resin and a crosslinkable monomer. ### Claim 9 (depends on 8) The covering material according to claim 8, wherein the resin component further comprises a non-crosslinkable resin. ### Claim 10 (depends on 9) The covering material according to claim 9, wherein the non-crosslinkable resin comprises at least one selected from the group consisting of a polyolefin-based resin and a rubber-based resin. ### Claim 11 (depends on 9) The covering material according to claim 9, wherein the non-crosslinkable resin comprises a linear low density polyethylene (LLDPE), an ethylene-vinyl acetate copolymer (EVA), and an ethylene-glycidyl methacrylate copolymer (EGMA). ### Claim 12 (depends on 1) The covering material according to claim 1, wherein the photoinitiator generates a radical and/or a cation. ### Claim 13 (depends on 1) The covering material according to claim 1, wherein the thermal initiator generates a radical and/or a cation. ### Claim 14 (depends on 1) A cable comprising: a core; and a covering material according to claim 1 that covers the core. ### Claim 15 A method of manufacturing a cable comprising: covering a core with a covering material; and crosslinking the covering material, wherein the covering material comprises: a resin component that comprises at least one of a crosslinkable resin having photo crosslinkability and thermal crosslinkability and a crosslinkable monomer having photo crosslinkability and thermal crosslinkability; a photoinitiator; and a thermal initiator. ### Claim 16 (depends on 15) The method of manufacturing a cable according to claim 15, wherein the resin component comprises a crosslinkable resin having at least one selected from the group consisting of an acrylic group, a methacrylic group, a vinyl group, a vinyl ether group, an oxetane group, an epoxy group, an alicyclic epoxy group, an amino group, maleic acid, and maleic anhydride, and wherein the crosslinkable resin occupies 5% by mass or more of a total mass of the resin component. ### Claim 17 (depends on 15) The method of manufacturing a cable according to claim 15, wherein the resin component comprises a crosslinkable monomer having at least one selected from the group consisting of an acrylic group, a methacrylic group, a vinyl group, a vinyl ether group, an oxetane group, an epoxy group, an alicyclic epoxy group, an amino group, maleic acid, and maleic anhydride. ### Claim 18 (depends on 17) The method of manufacturing a cable according to claim 17, wherein the resin component includes 1 to 30 parts by mass of the crosslinkable monomer to 100 parts by mass of components excluding the crosslinkable monomer from the resin component. ### Claim 19 (depends on 15) The method of manufacturing a cable according to claim 15, wherein the photoinitiator generates a radical and/or a cation. ### Claim 20 (depends on 15) The method of manufacturing a cable according to claim 15, wherein the thermal initiator generates a radical and/or a cation.