TW202100350A - Sound absorbing material - Google Patents
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- TW202100350A TW202100350A TW109112839A TW109112839A TW202100350A TW 202100350 A TW202100350 A TW 202100350A TW 109112839 A TW109112839 A TW 109112839A TW 109112839 A TW109112839 A TW 109112839A TW 202100350 A TW202100350 A TW 202100350A
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- 239000011358 absorbing material Substances 0.000 title claims abstract description 43
- 239000010410 layer Substances 0.000 claims abstract description 68
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- 238000010521 absorption reaction Methods 0.000 claims description 30
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- WSQZNZLOZXSBHA-UHFFFAOYSA-N 3,8-dioxabicyclo[8.2.2]tetradeca-1(12),10,13-triene-2,9-dione Chemical compound O=C1OCCCCOC(=O)C2=CC=C1C=C2 WSQZNZLOZXSBHA-UHFFFAOYSA-N 0.000 description 1
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- RPOCFUQMSVZQLH-UHFFFAOYSA-N furan-2,5-dione;2-methylprop-1-ene Chemical compound CC(C)=C.O=C1OC(=O)C=C1 RPOCFUQMSVZQLH-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- 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
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
本發明有關一種吸音材料。The invention relates to a sound-absorbing material.
已知一種單一層的吸音結構體，其是由熔噴(melt blown)不織布構成(例如專利文獻1)。 [先前技術文獻] (專利文獻)A single-layer sound-absorbing structure is known, which is composed of a melt blown nonwoven fabric (for example, Patent Document 1). [Prior Technical Literature] (Patent Document)
專利文獻1：日本特開2012-214957號公報Patent Document 1: JP 2012-214957 A
[發明所欲解決的問題] 當為由不織布構成的單一層的吸音結構體時，特別是在低頻區域的吸音特性會不充分。[The problem to be solved by the invention] In the case of a single-layer sound-absorbing structure composed of a non-woven fabric, the sound-absorbing properties in the low-frequency region may be insufficient.
本發明是鑒於上述原因而研創，目的在於提供一種吸音材料，其在低頻區域的吸音特性優異。 [解決問題的技術手段]The present invention is developed in view of the above-mentioned reasons, and aims to provide a sound-absorbing material which has excellent sound-absorbing properties in the low-frequency region. [Technical means to solve the problem]
本發明提供一種吸音材料，其依序具備：具有連通孔之第一基材層、黏著劑層、及具有連通孔之第二基材層。The present invention provides a sound absorbing material, which is provided with a first base material layer with communicating holes, an adhesive layer, and a second base material layer with communicating holes in sequence.
一態樣中，前述第一基材層及前述第二基材層可為樹脂發泡體或不織布。In one aspect, the first substrate layer and the second substrate layer may be resin foam or non-woven fabric.
一態樣中，吸音材料，在前述第一基材層上可進一步具備樹脂薄膜。In one aspect, the sound absorbing material may further include a resin film on the first base material layer.
一態樣中，前述樹脂薄膜可由聚烯烴、聚酯或聚醯胺構成。In one aspect, the aforementioned resin film may be composed of polyolefin, polyester, or polyamide.
一態樣中，吸音材料，在前述樹脂薄膜的至少任一表面，可進一步具備金屬蒸鍍層。In one aspect, the sound absorbing material may further include a metal vapor deposition layer on at least any surface of the aforementioned resin film.
一態樣中，吸音材料的厚度可為1～100 mm。In one aspect, the thickness of the sound-absorbing material may be 1-100 mm.
一態樣中，吸音材料，可在1 kHz以下的任一頻率，具有依據JIS A 1405-1而測得的0.3以上的垂直入射吸音率。 [功效]In one aspect, the sound-absorbing material can have a vertical incidence sound absorption rate of 0.3 or more measured in accordance with JIS A 1405-1 at any frequency below 1 kHz. [effect]
根據本發明，能夠提供一種吸音材料，其在低頻區域的吸音特性優異。According to the present invention, it is possible to provide a sound absorbing material having excellent sound absorbing characteristics in a low frequency region.
＜吸音材料＞
第1圖是吸音材料的概略剖面圖。吸音材料10依序具備：具有連通孔之第一基材層1、黏著劑層2、及具有連通孔之第二基材層3。從第一基材層側入射後的聲音(聲能)，在穿透吸音材料時會以熱能的形式散逸。藉此能夠觀察到聲音的衰減。＜Sound-absorbing material＞
Figure 1 is a schematic cross-sectional view of the sound absorbing material. The
(基材層) 作為具有連通孔之基材層，可舉例如：樹脂發泡體、不織布、高分子多孔體、多孔質陶瓷等。此等之中，從在低頻區域的吸音特性優異的觀點來看，基材層可為樹脂發泡體或不織布。第一基材層與第二基材層可由相同的材料構成，亦可由不同的材料構成。(Substrate layer) Examples of the substrate layer having continuous pores include resin foams, nonwoven fabrics, porous polymer bodies, and porous ceramics. Among these, the base material layer may be a resin foam or a non-woven fabric from the viewpoint of excellent sound absorption characteristics in the low frequency region. The first substrate layer and the second substrate layer may be composed of the same material, or may be composed of different materials.
作為樹脂發泡體的材料，可舉例如：聚乙烯樹脂、聚丙烯樹脂、聚胺酯(polyurethane)樹脂、聚酯樹脂、丙烯酸系樹脂、聚苯乙烯樹脂、三聚氰胺樹脂、矽氧樹脂、天然橡膠、合成橡膠等。從耐熱性、難燃性的觀點來看，樹脂發泡體的材料可為三聚氰胺樹脂。Examples of materials for the resin foam include: polyethylene resin, polypropylene resin, polyurethane resin, polyester resin, acrylic resin, polystyrene resin, melamine resin, silicone resin, natural rubber, synthetic Rubber etc. From the viewpoint of heat resistance and flame retardancy, the material of the resin foam may be melamine resin.
作為用以構成不織布的纖維，可舉例如：有機纖維、及無機纖維。有機纖維可舉例如：聚乙烯(低密度或高密度)、聚丙烯、共聚聚乙烯、共聚聚丙烯等聚烯烴纖維；聚對苯二甲酸乙二酯、聚對苯二甲酸三亞甲酯、聚對苯二甲酸丁二酯、聚萘二甲酸乙二酯、聚萘二甲酸丁二酯等聚酯纖維；丙烯酸系纖維；聚醯胺纖維；耐綸纖維；嫘縈纖維；羊毛等天然纖維等。此外，作為無機纖維，可舉例如：玻璃纖維、金屬纖維、陶瓷纖維、碳纖維等。用以構成不織布的纖維，能夠包含此等之中的1種或2種以上。Examples of fibers used to constitute the nonwoven fabric include organic fibers and inorganic fibers. Examples of organic fibers include: polyethylene (low-density or high-density), polypropylene, copolymerized polyethylene, copolymerized polypropylene and other polyolefin fibers; polyethylene terephthalate, polyethylene terephthalate, poly Polyester fibers such as butylene terephthalate, polyethylene naphthalate, and polyethylene naphthalate; acrylic fibers; polyamide fibers; nylon fibers; rayon fibers; wool and other natural fibers, etc. . In addition, examples of inorganic fibers include glass fibers, metal fibers, ceramic fibers, and carbon fibers. The fibers used to constitute the non-woven fabric can contain one or more of these.
從在低頻區域的吸音特性優異的觀點來看，基材層的厚度能夠設為0.1～50 mm，可為0.5～20 mm，亦可為2.0～20 mm，亦可為2.0～10 mm。第一基材層與第二基材層可具有相同的厚度，亦可具有不同的厚度。從在低頻區域的吸音特性優異的觀點來看，第一基材層(聲音的入射側的基材層)的厚度可較第二基材層的厚度更薄。From the viewpoint of excellent sound absorption characteristics in the low-frequency region, the thickness of the substrate layer can be 0.1-50 mm, 0.5-20 mm, 2.0-20 mm, or 2.0-10 mm. The first substrate layer and the second substrate layer may have the same thickness or different thicknesses. From the viewpoint of excellent sound absorption characteristics in the low-frequency region, the thickness of the first base material layer (the base material layer on the sound incident side) may be thinner than the thickness of the second base material layer.
從在低頻區域的吸音特性優異的觀點來看，基材層的單位面積質量能夠設為10～1000 g/m2 ，可為30～800 g/m2 ，亦可為30～700 g/m2 ，亦可為50～500 g/m2 ，亦可為150～300 g/m2 。第一基材層與第二基材層可具有相同的單位面積質量，亦可具有不同的單位面積質量。From the viewpoint of excellent sound absorption characteristics in the low frequency region, the mass per unit area of the base layer can be set to 10 to 1000 g/m 2 , 30 to 800 g/m 2 , or 30 to 700 g/m 2. It can also be 50-500 g/m 2 , or 150-300 g/m 2 . The first substrate layer and the second substrate layer may have the same mass per unit area or different mass per unit area.
從在低頻區域的吸音特性優異的觀點來看，基材層的密度能夠設為0.005～1.0 g/cm3 ，可為0.010～0.50 g/cm3 ，亦可為0.010～0.20 g/cm3 ，亦可為0.020～0.20 g/cm3 ，亦可為0.020～0.15 g/cm3 。第一基材層與第二基材層可具有相同的密度，亦可具有不同的密度。From the viewpoint of excellent sound absorption characteristics in the low-frequency region, the density of the base material layer can be set to 0.005 to 1.0 g/cm 3 , 0.010 to 0.50 g/cm 3 , or 0.010 to 0.20 g/cm 3 , It can also be 0.020 to 0.20 g/cm 3 , or 0.020 to 0.15 g/cm 3 . The first base material layer and the second base material layer may have the same density or different densities.
(黏著劑層) 作為黏著劑層，可舉例如：聚酯樹脂、乙酸乙烯酯樹脂、乙烯-乙酸乙烯酯共聚樹脂、異丁烯-馬來酸酐共聚樹脂、丙烯酸系共聚樹脂、丙烯酸系單體、丙烯酸系寡聚物、氯乙烯樹脂、胺酯樹脂(包含濕氣硬化型)、矽烷基化胺酯樹脂、環氧樹脂、改質環氧樹脂、聚乙烯樹脂等聚烯烴樹脂、離子聚合物樹脂、矽氧樹脂、改質矽氧樹脂；苯乙烯-丁二烯橡膠、氯丁二烯橡膠、腈橡膠等合成橡膠；異戊二烯橡膠等天然橡膠；水玻璃、矽酸鹽等包含黏著成分之層；或由積層物所構成之層等，該積層物在由紙、布、樹脂帶、金屬帶等所構成之支撐體的雙面上具備了包含此等黏著成分之層。此外，黏著劑層可為在樹脂薄膜的雙面上具備了包含上述黏著成分之層或上述積層物之物(黏著片)。此時，作為樹脂薄膜，能夠使用上述樹脂薄膜。(Adhesive layer) As the adhesive layer, for example, polyester resin, vinyl acetate resin, ethylene-vinyl acetate copolymer resin, isobutylene-maleic anhydride copolymer resin, acrylic copolymer resin, acrylic monomer, acrylic oligomer, Vinyl chloride resin, urethane resin (including moisture curing type), silylated urethane resin, epoxy resin, modified epoxy resin, polyolefin resin such as polyethylene resin, ionomer resin, silicone resin, modified Quality silicone resin; synthetic rubber such as styrene-butadiene rubber, chloroprene rubber, nitrile rubber; natural rubber such as isoprene rubber; water glass, silicate and other layers containing adhesive components; or laminated The laminate is provided with a layer containing these adhesive components on both sides of a support composed of paper, cloth, resin tape, metal tape, etc. In addition, the adhesive layer may be a product (adhesive sheet) provided with a layer containing the above-mentioned adhesive component or the above-mentioned laminate on both sides of the resin film. In this case, as the resin film, the above-mentioned resin film can be used.
當吸音材料進一步具備樹脂薄膜時，可設置於樹脂薄膜與第一基材層之間。各黏著劑層可由相同的材料構成，亦可由不同的材料構成。When the sound absorbing material is further provided with a resin film, it may be provided between the resin film and the first substrate layer. Each adhesive layer may be composed of the same material, or may be composed of different materials.
黏著劑層的厚度無特別限定，當使用包含上述黏著成分之層或由積層物構成之層來作為黏著劑層時，能夠設為0.01～500 μm，可為1～300 μm。各黏著劑層可具有相同的厚度，亦可具有不同的厚度。再者，當使用上述黏著片來作為黏著劑層時，黏著劑層的厚度能夠設為10～1000 μm，可為100～500 μm。The thickness of the adhesive layer is not particularly limited, and when a layer containing the above-mentioned adhesive component or a layer composed of a laminate is used as the adhesive layer, it can be 0.01 to 500 μm, and may be 1 to 300 μm. Each adhesive layer can have the same thickness or different thicknesses. Furthermore, when the above-mentioned adhesive sheet is used as the adhesive layer, the thickness of the adhesive layer can be 10 to 1000 μm, and can be 100 to 500 μm.
(樹脂薄膜) 從在低頻區域的吸音特性優異的觀點來看，吸音材料的第一基材層上可進一步具備樹脂薄膜。作為用以構成樹脂薄膜的樹脂，可舉例如：聚乙烯(低密度或高密度)、聚丙烯、共聚聚乙烯、共聚聚丙烯等聚烯烴；聚對苯二甲酸乙二酯、聚對苯二甲酸三亞甲酯、聚對苯二甲酸丁二酯、聚萘二甲酸乙二酯、聚萘二甲酸丁二酯等聚酯；聚醯胺等。(Resin film) From the viewpoint of excellent sound absorption characteristics in the low frequency region, the first base material layer of the sound absorbing material may be further provided with a resin film. Examples of resins used to form the resin film include polyolefins such as polyethylene (low density or high density), polypropylene, copolymerized polyethylene, and copolymerized polypropylene; polyethylene terephthalate, polyethylene terephthalate Trimethylene formate, polybutylene terephthalate, polyethylene naphthalate, polybutylene naphthalate and other polyesters; polyamides, etc.
從在低頻區域的吸音特性優異的觀點來看，樹脂薄膜的厚度能夠設為0.5～500 μm，可為5～250 μm，亦可為10～100 μm。第一樹脂薄膜與第二樹脂薄膜可具有相同的厚度，亦可具有不同的厚度。此外，從在低頻區域的吸音特性優異的觀點來看，樹脂薄膜的厚度相對於基材層的厚度的比例(基材層的厚度/樹脂薄膜的厚度)能夠設為1～20000，可為10～10000，亦可為100～1000。From the viewpoint of excellent sound absorption characteristics in the low frequency region, the thickness of the resin film can be 0.5 to 500 μm, 5 to 250 μm, or 10 to 100 μm. The first resin film and the second resin film may have the same thickness or different thicknesses. In addition, from the viewpoint of excellent sound absorption characteristics in the low-frequency region, the ratio of the thickness of the resin film to the thickness of the substrate layer (the thickness of the substrate layer/the thickness of the resin film) can be set to 1 to 20,000, and may be 10 ～10000, can also be 100～1000.
從藉由調整薄膜特性來提高吸音效果的功能、及賦予熱射線反射的功能的觀點來看，樹脂薄膜可在其表面具備金屬蒸鍍層。換言之，吸音材料，在前述第一樹脂薄膜及前述第二樹脂薄膜的至少任一表面，可進一步具備金屬蒸鍍層。金屬蒸鍍層，能夠藉由將鋁、銅、鋅、鋅合金、銀等金屬進行真空蒸鍍等物理蒸鍍或化學蒸鍍來形成。金屬蒸鍍層可設置於樹脂薄膜的雙面，亦可設置於樹脂薄膜的其中一面。From the viewpoint of the function of improving the sound absorption effect by adjusting the film characteristics and the function of imparting heat ray reflection, the resin film may have a metal vapor-deposition layer on its surface. In other words, the sound absorbing material may further include a metal vapor-deposited layer on at least one of the surfaces of the first resin film and the second resin film. The metal vapor deposition layer can be formed by physical vapor deposition or chemical vapor deposition such as vacuum vapor deposition of metals such as aluminum, copper, zinc, zinc alloy, and silver. The metal vapor deposition layer can be provided on both sides of the resin film, or can be provided on one side of the resin film.
從提高低頻區域的吸音效果及調整吸音頻率峰的觀點來看，樹脂薄膜可為有孔薄膜。有孔薄膜可具有排列成格子狀和菱形狀的孔。從在低頻區域的吸音特性優異的觀點來看，該孔可為直徑0.1～50.0 mm的圓形狀，可為直徑0.2～10.0 mm的圓形狀，可為直徑0.3～5.0 mm的圓形狀。孔的形狀可為圓形、橢圓形、長方形、多邊形等。From the viewpoint of improving the sound absorption effect in the low frequency region and adjusting the frequency peak of the sound absorption frequency, the resin film may be a porous film. The porous film may have pores arranged in a lattice and diamond shape. From the viewpoint of excellent sound absorption characteristics in the low-frequency region, the hole may have a circular shape with a diameter of 0.1 to 50.0 mm, a circular shape with a diameter of 0.2 to 10.0 mm, or a circular shape with a diameter of 0.3 to 5.0 mm. The shape of the hole can be round, oval, rectangular, polygonal, etc.
(其它基材層及其它黏著劑層) 從提高低頻區域的吸音效果及調整吸音頻率峰的觀點來看，吸音材料可進一步具備具有連通孔之其它基材層及其它黏著劑層。換言之，吸音材料，除了具有連通孔之第一基材層、黏著劑層(設為第一黏著劑層)、及具有連通孔之第二基材層以外，還可進一步依序具備：第二黏著劑層及具有連通孔之第三基材層、第三黏著劑層及具有連通孔之第四基材層等。其它基材層及其它黏著劑層，能夠應用在上述基材層及黏著劑層的項目中所說明的事項。(Other substrate layer and other adhesive layer) From the viewpoint of improving the sound absorption effect in the low-frequency region and adjusting the frequency peak of the sound absorption frequency, the sound-absorbing material may be further provided with other substrate layers with communicating holes and other adhesive layers. In other words, the sound-absorbing material, in addition to the first base material layer with communicating holes, the adhesive layer (set as the first adhesive layer), and the second base material layer with communicating holes, may further include: Adhesive layer and a third substrate layer with communicating holes, a third adhesive layer and a fourth substrate layer with communicating holes, etc. Other base material layers and other adhesive layers can be applied to the items described in the above-mentioned base material layer and adhesive layer.
從吸音特性顯現、材料的施工性、省空間化等的觀點來看，吸音材料的厚度能夠設為1～100 mm，可為2～50 mm，亦可為5～30 mm。From the standpoints of sound absorption characteristics, workability of the material, space saving, etc., the thickness of the sound absorbing material can be set to 1 to 100 mm, 2 to 50 mm, or 5 to 30 mm.
吸音材料，能夠在1 kHz以下的任一頻率，具體而言，例如在250 Hz、500 Hz及1 kHz之中的至少任一頻率，具有依據JIS A 1405-1而測得的0.3以上、或0.4以上的垂直入射吸音率。該垂直入射吸音率，在1 kHz能夠設為0.3以上，可為0.4以上。該垂直入射吸音率，在750 kHz能夠設為0.1以上，可為0.2以上。該垂直入射吸音率，在500 kHz能夠設為0.1以上，可為0.12以上。The sound-absorbing material can be at any frequency below 1 kHz, specifically, for example, at least any frequency among 250 Hz, 500 Hz, and 1 kHz, having a frequency of 0.3 or more measured in accordance with JIS A 1405-1, or 0.4 or more normal incidence sound absorption. The normal incidence sound absorption rate can be set to 0.3 or more at 1 kHz, and can be 0.4 or more. The vertical incidence sound absorption rate can be set to 0.1 or more at 750 kHz, and can be 0.2 or more. The vertical incidence sound absorption rate can be set to 0.1 or more at 500 kHz, and can be 0.12 or more.
＜吸音材料的製造方法＞ 吸音材料能夠藉由將各層積層來製造。當吸音材料進一步具備樹脂薄膜時，樹脂薄膜與第一基材層可未經黏著。用以構成吸音材料的積層體可在收納於框體中的狀態下使用。＜Method of manufacturing sound absorbing material＞ The sound absorbing material can be manufactured by laminating each layer. When the sound absorbing material is further provided with a resin film, the resin film and the first substrate layer may not be adhered. The layered body constituting the sound absorbing material can be used in a state of being housed in a frame.
＜吸音材料的用途＞ 上述吸音材料在低頻區域的吸音特性優異。因此，上述吸音材料能夠在汽車、鐵道車輛、航空器、船舶、住宅等建築物、電子機器、精密機械等用途中合適地使用。此處所謂的低頻區域，是指能夠設為頻率1 kHz以下的區域，可為800 Hz以下的區域，亦可為750 Hz以下的區域，亦可為500 Hz以下的區域。 [實施例]＜Use of sound-absorbing materials＞ The above-mentioned sound absorbing material has excellent sound absorbing characteristics in the low frequency region. Therefore, the above-mentioned sound-absorbing material can be suitably used for applications such as automobiles, railway vehicles, aircraft, ships, houses, and other buildings, electronic equipment, and precision machinery. The low-frequency area referred to here refers to an area that can be set to a frequency of 1 kHz or less, can be an area of 800 Hz or less, or an area of 750 Hz or less, or an area of 500 Hz or less. [Example]
以下，藉由實施例來更詳細說明本發明，但本發明並不受此等實施例所限定。Hereinafter, the present invention will be described in more detail through examples, but the present invention is not limited by these examples.
(基材層的準備) 準備表1所示的基材層。(Preparation of substrate layer) The base material layer shown in Table 1 was prepared.
[表1]
(樹脂薄膜的準備)
準備下述樹脂薄膜。
雙面經蒸鍍鋁的聚對苯二甲酸乙二酯薄膜(Al蒸鍍PET)：厚度12 μm
聚對苯二甲酸乙二酯薄膜A(PET-A)：厚度12 μm
聚對苯二甲酸乙二酯薄膜B(PET-B)：厚度25 μm
聚對苯二甲酸乙二酯薄膜C(PET-C)：厚度50 μm
聚對苯二甲酸乙二酯薄膜D(PET-D)：厚度250 μm
雙軸延伸聚丙烯薄膜(OPP)：厚度20 μm
聚乙烯薄膜(PE)：厚度25 μm(Preparation of resin film)
Prepare the following resin film.
Polyethylene terephthalate film (Al-evaporated PET) with vapor-deposited aluminum on both sides: thickness 12 μm
Polyethylene terephthalate film A (PET-A): thickness 12 μm
Polyethylene terephthalate film B (PET-B): thickness 25 μm
Polyethylene terephthalate film C (PET-C): thickness 50 μm
Polyethylene terephthalate film D (PET-D):
(黏著劑層的準備) 準備下述黏著劑層。 雙面帶A：3M Japan股份有限公司，PGD-100(0.12 mm厚，基材：不織布) 雙面帶B：日立化成股份有限公司，Hi-Bon 25-563(0.15 mm厚，基材：Al箔) 黏著劑A：3M Japan股份有限公司，噴霧糊77號(商品名) 黏著劑B：KLEBCHEMIE M. G. Becker GmbH & Co. KG公司，聚烯烴熱熔樹脂(966P，塗佈50 g/m2 ) 黏著劑C：KLEBCHEMIE M. G. Becker GmbH & Co. KG公司，合成橡膠熱熔樹脂(939S，塗佈50 g/m2 ) 黏著劑D：KLEBCHEMIE M. G. Becker GmbH & Co. KG公司，濕氣硬化型聚胺酯熱熔樹脂(PUR700.5，塗佈50 g/m2 ) 黏著片A：在上述Al蒸鍍PET的雙面上具備上述雙面帶A之物 黏著片B：在上述Al蒸鍍PET的雙面上具備上述黏著劑A的層之物 黏著片C：倉敷紡績股份有限公司，聚烯烴熱熔樹脂薄片(X4300，0.05 mm厚) 黏著片D：倉敷紡績股份有限公司，聚酯薄片熱熔樹脂薄片(G-5，0.03 mm厚) 黏著片E：倉敷紡績股份有限公司，聚胺酯熱熔樹脂薄片(S-1700，0.05 mm厚)(Preparation of adhesive layer) The following adhesive layer was prepared. Double-sided tape A: 3M Japan Co., Ltd., PGD-100 (0.12 mm thick, substrate: non-woven fabric) Double-sided tape B: Hitachi Chemical Co., Ltd., Hi-Bon 25-563 (0.15 mm thick, substrate: Al Foil) Adhesive A: 3M Japan Co., Ltd., spray paste No. 77 (trade name) Adhesive B: KLEBCHEMIE MG Becker GmbH & Co. KG, polyolefin hot melt resin (966P, coating 50 g/m 2 ) Adhesive C: KLEBCHEMIE MG Becker GmbH & Co. KG, synthetic rubber hot melt resin (939S, coating 50 g/m 2 ) Adhesive D: KLEBCHEMIE MG Becker GmbH & Co. KG, moisture hardening polyurethane heat Melting resin (PUR700.5, coating 50 g/m 2 ) Adhesive sheet A: The above-mentioned double-sided tape A is provided on both sides of the Al vapor-deposited PET Adhesive sheet B: Both sides of the Al vapor-deposited PET Adhesive sheet C: Kurabo Industries Co., Ltd., polyolefin hot melt resin sheet (X4300, 0.05 mm thick) Adhesive sheet D: Kurabo Industries Co., Ltd., polyester sheet hot melt resin sheet (G-5, 0.03 mm thick) Adhesive sheet E: Kurabo Industries Co., Ltd., polyurethane hot-melt resin sheet (S-1700, 0.05 mm thick)
(吸音材料的製作) 製作具有表2及表3表示的構成之吸音材料。各層的黏著是使用雙面帶、黏著劑或黏著片。表中的※1中，樹脂薄膜與第一基材層之間的黏著是以雙面帶A或黏著劑A來進行，第一基材層與第二基材層之間的黏著是以黏著片A、黏著片B或雙面帶B來進行。(Production of sound-absorbing material) A sound absorbing material having the structure shown in Table 2 and Table 3 was produced. Adhesion of each layer is to use double-sided tape, adhesive or adhesive sheet. In ※1 in the table, the adhesion between the resin film and the first substrate layer is performed by double-sided tape A or adhesive A, and the adhesion between the first substrate layer and the second substrate layer is by adhesion Use sheet A, adhesive sheet B or double-sided tape B.
[表2]
[表3]
(吸音材料的吸音特性評估) 依照下述來測定所製得的各吸音材料的垂直入射吸音率。從表2中的左側中所記載的層側，使聲音入射。測定結果是如表4及表5所示。 裝置名：4206型阻抗管(Bruel & Kjaer公司) 測定方法：垂直入射吸音率(依據JIS A 1405-1) 測定範圍：50～1600 Hz(Evaluation of sound-absorbing properties of sound-absorbing materials) The vertical incidence sound absorption rate of each sound absorbing material prepared was measured according to the following. From the layer side described on the left in Table 2, sound was incident. The measurement results are shown in Table 4 and Table 5. Device name: Type 4206 impedance tube (Bruel & Kjaer) Measurement method: normal incidence sound absorption (according to JIS A 1405-1) Measuring range: 50～1600 Hz
[表4]
[表5]
第2圖～第7圖是顯示各實施例及比較例的垂直入射吸音率的圖。由該等圖所示，可知實施例的吸音材料在低頻區域的吸音特性優異。Figures 2 to 7 are graphs showing the normal incidence sound absorption rate of each Example and Comparative Example. As shown in these figures, it can be seen that the sound absorbing material of the example has excellent sound absorbing characteristics in the low frequency region.
1:具有連通孔之第一基材層 2:黏著劑層 3:具有連通孔之第二基材層 10:吸音材料1: The first substrate layer with connected holes 2: Adhesive layer 3: The second substrate layer with connected holes 10: Sound-absorbing material
第1圖是吸音材料的概略剖面圖。 第2圖是顯示實施例的垂直入射吸音率的圖。 第3圖是顯示實施例的垂直入射吸音率的圖。 第4圖是顯示實施例的垂直入射吸音率的圖。 第5圖是顯示實施例的垂直入射吸音率的圖。 第6圖是顯示實施例的垂直入射吸音率的圖。 第7圖是顯示比較例的垂直入射吸音率的圖。Figure 1 is a schematic cross-sectional view of the sound absorbing material. Figure 2 is a graph showing the normal incidence sound absorption of the embodiment. Figure 3 is a graph showing the normal incidence sound absorption of the embodiment. Figure 4 is a graph showing the normal incidence sound absorption of the embodiment. Figure 5 is a graph showing the normal incidence sound absorption of the embodiment. Figure 6 is a graph showing the normal incidence sound absorption of the embodiment. Figure 7 is a graph showing the normal incidence sound absorption of the comparative example.
國內寄存資訊(請依寄存機構、日期、號碼順序註記) 無 國外寄存資訊(請依寄存國家、機構、日期、號碼順序註記) 無Domestic deposit information (please note in the order of deposit institution, date and number) no Foreign hosting information (please note in the order of hosting country, institution, date and number) no
1:具有連通孔之第一基材層 1: The first substrate layer with connected holes
2:黏著劑層 2: Adhesive layer
3:具有連通孔之第二基材層 3: The second substrate layer with connected holes
10:吸音材料 10: Sound-absorbing material
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| WOPCT/JP2019/016688 | 2019-04-18 |
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| JP4823376B1 (en) * | 2010-07-21 | 2011-11-24 | 株式会社槌屋 | Molded product using composite material and manufacturing method thereof |
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