WO2020213685A1 - Matériau absorbant acoustique - Google Patents

Matériau absorbant acoustique Download PDF

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Publication number
WO2020213685A1
WO2020213685A1 PCT/JP2020/016745 JP2020016745W WO2020213685A1 WO 2020213685 A1 WO2020213685 A1 WO 2020213685A1 JP 2020016745 W JP2020016745 W JP 2020016745W WO 2020213685 A1 WO2020213685 A1 WO 2020213685A1
Authority
WO
WIPO (PCT)
Prior art keywords
sound absorbing
base material
layer
absorbing material
resin
Prior art date
Application number
PCT/JP2020/016745
Other languages
English (en)
Japanese (ja)
Inventor
慧 高安
亜唯 横倉
智彦 小竹
Original Assignee
日立化成株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日立化成株式会社 filed Critical 日立化成株式会社
Priority to JP2021514220A priority Critical patent/JPWO2020213685A1/ja
Publication of WO2020213685A1 publication Critical patent/WO2020213685A1/fr

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Classifications

    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches

Abstract

La présente invention concerne un matériau absorbant acoustique comprenant, dans l'ordre suivant : une première couche de substrat ayant un trou de communication ; une couche adhésive ; et une seconde couche de substrat ayant un trou de communication.
PCT/JP2020/016745 2019-04-18 2020-04-16 Matériau absorbant acoustique WO2020213685A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021514220A JPWO2020213685A1 (fr) 2019-04-18 2020-04-16

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPPCT/JP2019/016688 2019-04-18
PCT/JP2019/016688 WO2020213140A1 (fr) 2019-04-18 2019-04-18 Matériau insonorisant

Publications (1)

Publication Number Publication Date
WO2020213685A1 true WO2020213685A1 (fr) 2020-10-22

Family

ID=72837135

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/JP2019/016688 WO2020213140A1 (fr) 2019-04-18 2019-04-18 Matériau insonorisant
PCT/JP2020/016745 WO2020213685A1 (fr) 2019-04-18 2020-04-16 Matériau absorbant acoustique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/016688 WO2020213140A1 (fr) 2019-04-18 2019-04-18 Matériau insonorisant

Country Status (3)

Country Link
JP (1) JPWO2020213685A1 (fr)
TW (1) TW202100350A (fr)
WO (2) WO2020213140A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022219807A1 (fr) 2021-04-16 2022-10-20 昭和電工マテリアルズ株式会社 Matériau d'absorption acoustique et élément de véhicule

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11242486A (ja) * 1998-02-26 1999-09-07 Isuzu Motors Ltd 吸音材、および遮蔽板
JP2004130731A (ja) * 2002-10-11 2004-04-30 Kanegafuchi Chem Ind Co Ltd 内装材及び車両用内装材
JP2012024955A (ja) * 2010-07-21 2012-02-09 Tsuchiya Co Ltd 複合材料を用いた成形品及びその製造方法
JP2018169555A (ja) * 2017-03-30 2018-11-01 Jnc株式会社 極細繊維を含む積層吸音材

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11242486A (ja) * 1998-02-26 1999-09-07 Isuzu Motors Ltd 吸音材、および遮蔽板
JP2004130731A (ja) * 2002-10-11 2004-04-30 Kanegafuchi Chem Ind Co Ltd 内装材及び車両用内装材
JP2012024955A (ja) * 2010-07-21 2012-02-09 Tsuchiya Co Ltd 複合材料を用いた成形品及びその製造方法
JP2018169555A (ja) * 2017-03-30 2018-11-01 Jnc株式会社 極細繊維を含む積層吸音材

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022219807A1 (fr) 2021-04-16 2022-10-20 昭和電工マテリアルズ株式会社 Matériau d'absorption acoustique et élément de véhicule

Also Published As

Publication number Publication date
JPWO2020213685A1 (fr) 2020-10-22
WO2020213140A1 (fr) 2020-10-22
TW202100350A (zh) 2021-01-01

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