Classifications

• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
  • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
  • C08J5/18—Manufacture of films or sheets
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B32—LAYERED PRODUCTS
  • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
  • B32B15/00—Layered products comprising a layer of metal
  • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
  • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
  • B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K5/00—Use of organic ingredients
  • C08K5/04—Oxygen-containing compounds
  • C08K5/10—Esters; Ether-esters
  • C08K5/101—Esters; Ether-esters of monocarboxylic acids
  • C08K5/105—Esters; Ether-esters of monocarboxylic acids with phenols
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K5/00—Use of organic ingredients
  • C08K5/04—Oxygen-containing compounds
  • C08K5/15—Heterocyclic compounds having oxygen in the ring
  • C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
  • C08K5/1535—Five-membered rings
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
  • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
  • C08L23/04—Homopolymers or copolymers of ethene
  • C08L23/08—Copolymers of ethene
  • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
  • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
  • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
  • C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
  • C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
  • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
  • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
  • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
  • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
  • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
  • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
  • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q1/00—Details of, or arrangements associated with, antennas
  • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
  • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K1/00—Printed circuits
  • H05K1/02—Details
  • H05K1/03—Use of materials for the substrate
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
  • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
  • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
  • C08J2323/04—Homopolymers or copolymers of ethene
  • C08J2323/08—Copolymers of ethene
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
  • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
  • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
  • C08J2323/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
  • C08J2323/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms

Definitions

• LRRs long range radars
• SRRs short range radars
• a radar is usually composed of an antenna and a housing that encases the antenna.
• materials used for the antenna and housing are required to have excellent dielectric properties that allow them to be used in the high frequency range, and polyphenylene ether, maleimide triazine resin, etc. have been used.
• Patent Document 1 discloses a high-frequency dielectric antenna made of a resin composition containing a hydrogenated crystalline cyclic olefin ring-opening polymer having a repeating unit derived from a polycyclic norbornene monomer and a glass filler.
• Patent Document 2 discloses a double-sided metal-clad dielectric substrate for a planar antenna, which has a dielectric substrate whose entire back surface is a ground conductor and whose front surface is provided with a metal foil for forming a circularly polarized dissipative microstrip element, and in which the dielectric layer contains a homopolymer of 3-methylbutene-1 or a copolymer of 3-methylbutene-1 and an olefin and/or polyene having 2 to 12 carbon atoms.
• JP 2013-256596 A Japanese Patent Application Laid-Open No. 63-086320
• Patent Document 1 describes that glass fillers and the like can withstand high temperatures in the reflow process, but further improvement in reflow heat resistance is required.
• fluororesins such as polytetrafluoroethylene have poor moldability, low productivity, and are expensive.
• the present invention aims to provide an insulating film that can provide a millimeter-wave antenna having a low dielectric constant and a low dielectric loss tangent, excellent formability, and excellent reflow heat resistance, a copper-clad laminate including the insulating film, and a millimeter-wave antenna including the copper-clad laminate.
• An insulating film comprising a material containing a 3-methyl-1-butene polymer, the insulating film having a dielectric loss tangent of less than 0.00070 at 10 GHz to 300 GHz.
• the 3-methyl-1-butene polymer is at least one selected from the group consisting of a 3-methyl-1-butene homopolymer and a copolymer of 3-methyl-1-butene with ethylene or an ⁇ -olefin, and the ⁇ -olefin has 3 to 20 carbon atoms.
• the alkyl radical scavenger comprises at least one selected from the group consisting of an acrylphenol compound and a benzofuranone compound.
• a copper-clad laminate comprising the insulating film according to any one of [1] to [7] above.
• a millimeter wave antenna comprising the copper clad laminate according to [8].
• a millimeter wave antenna comprising the insulating film according to any one of [1] to [7].
• the present invention provides an insulating film that has a low dielectric constant and a low dielectric tangent, and is excellent in formability and reflow heat resistance, and can provide a millimeter-wave antenna that has excellent reflow heat resistance, a copper-clad laminate that includes the insulating film, and a millimeter-wave antenna that includes the copper-clad laminate.
• the insulating film of the present embodiment contains a material containing a 3-methyl-1-butene polymer, and is characterized in that the dielectric loss tangent at 10 GHz to 300 GHz is less than 0.00070. That is, the insulating film of the present embodiment contains a 3-methyl-1-butene polymer.
• the insulating film has a low relative dielectric constant and a low dielectric loss tangent, and is excellent in moldability and reflow heat resistance. Furthermore, since the material forming the insulating film of this embodiment has excellent heat resistance, it can be formed into any shape.
• acrylic phenol compound represented by the general formula (I) examples include products sold under the trade names "Sumilizer (registered trademark) GS” and “Sumilizer (registered trademark) GM” manufactured by Sumitomo Chemical Co., Ltd.
• the insulating film of the present embodiment has a relative dielectric constant at 10 GHz measured by a resonance method of 0.5 to 5.0, preferably 1.5 to 4.0, and more preferably 2.0 to 3.5. In one aspect, the insulating film of the present embodiment has a relative dielectric constant at 100 GHz measured by a frequency change method of 0.5 to 5.0, preferably 1.5 to 4.0, and more preferably 2.0 to 3.5. In one aspect, the insulating film of the present embodiment has a relative dielectric constant at 200 GHz measured by a frequency change method of 0.5 to 5.0, preferably 1.5 to 4.0, and more preferably 2.0 to 3.5.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Spectroscopy & Molecular Physics (AREA)
• Manufacturing & Machinery (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Materials Engineering (AREA)
• Laminated Bodies (AREA)
• Compositions Of Macromolecular Compounds (AREA)

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• 2023
  • 2023-12-27 CN CN202380081859.7A patent/CN120202245A/zh active Pending
  • 2023-12-27 JP JP2024567914A patent/JPWO2024143448A1/ja active Pending
  • 2023-12-27 KR KR1020257021326A patent/KR20250131775A/ko active Pending
  • 2023-12-27 WO PCT/JP2023/046867 patent/WO2024143448A1/ja not_active Ceased
  • 2023-12-28 TW TW112151273A patent/TW202436464A/zh unknown

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