JP2011508118A5 - - Google Patents
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- JP2011508118A5 JP2011508118A5 JP2010539926A JP2010539926A JP2011508118A5 JP 2011508118 A5 JP2011508118 A5 JP 2011508118A5 JP 2010539926 A JP2010539926 A JP 2010539926A JP 2010539926 A JP2010539926 A JP 2010539926A JP 2011508118 A5 JP2011508118 A5 JP 2011508118A5
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- sound
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- surface material
- absorbing
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- 239000000463 material Substances 0.000 claims description 46
- 239000011148 porous material Substances 0.000 claims description 34
- 239000011358 absorbing material Substances 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 229920001474 Flashspun fabric Polymers 0.000 claims description 10
- 239000004751 flashspun nonwoven Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 2
- -1 polyethylene Polymers 0.000 description 2
- 241000288673 Chiroptera Species 0.000 description 1
- 241000264877 Hippospongia communis Species 0.000 description 1
- 239000004698 Polyethylene (PE) Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 210000003660 Reticulum Anatomy 0.000 description 1
- 230000001070 adhesive Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000000844 anti-bacterial Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Description
図３で分かるように、曲線１および２で表される実施例１および実施例２の吸音材は、４００Ｈｚ〜１２００Ｈｚの周波数領域で、曲線Ｃで表される比較例と比較した場合、連続的に改善された吸音を提供する。表面材を有する吸音材では、表面材なしの吸音材と比較して少なくとも５％高く改善される。また、実施例１および２から、一般に使用される不透過性フィルム表面材よりずっと厚く、典型的な有孔表面材より単位面積当たりの通気抵抗がずっと高いにもかかわらず、本発明の表面材は、比較的高い音声領域周波数で音響エネルギーを実質的に反射しないことが分かる。
次に、本発明の好ましい態様を示す。
１ ２つの主表面を有する吸音材料のコア、および
前記コアの少なくとも１つの主表面を被覆する表面材であって、凝集表面を有し、坪量１４０ｇ／ｍ 2 以下であり、孔径１００ｎｍ〜２０，０００ｎｍ、平均孔径２０，０００ｎｍ未満の複数の細孔を含む多孔質フラッシュ紡糸プレキシフィラメント状フィルム−フィブリルシートを含む表面材、
を含む吸音物品。
２ 前記吸音材のコアの騒音低減率が０．３〜０．９であり、前記吸音材料が繊維バット、フォーム、ハニカム、空気層、有孔材料およびこれらの組み合わせからなる群から選択される、上記１に記載の物品。
３ 前記表面材が、孔径１００ｎｍ〜２０，０００ｎｍ、平均孔径５，０００ｎｍ未満の複数の細孔を有する、上記１に記載の物品。
４ 前記表面材が、孔径１００ｎｍ〜２０，０００ｎｍ、平均孔径２，０００ｎｍ未満の複数の細孔を有する、上記１に記載の物品。
５ 前記表面材が、ポリエチレンおよびポリプロピレンからなる群から選択されるポリマーを含む、上記１に記載の物品。
６ 前記表面材の厚さが１ｍｍ以下であり、前記コアの厚さが少なくとも５ｍｍである、上記１に記載の物品。
７ 前記表面材のＰａｒｋｅｒ表面平滑性が６マイクロメートル以上である、上記１に記載の物品。
８ 前記表面材にグラフィック画像が印刷されている、上記１に記載の物品。
９ 前記表面材の引張強度が少なくとも２０Ｎ／２．５４ｃｍである、上記１に記載の物品。
１０ 前記表面材が、微生物の増殖を促進する栄養を含まない、上記１に記載の物品。
１１ 前記表面材の対数減少値が少なくとも４である、上記１に記載の物品。
１２ １２００Ｈｚ未満の周波数での物品の吸音が、前記表面材のない物品の吸音より少なくとも５％高い、上記１に記載の物品。
１３ 前記表面材が更に穿孔されており、穴が前記表面材を貫通して突出している、上記１に記載の物品。
１４ 前記穴の直径が１ｍｍ未満である、上記１３に記載の物品。
１５ 前記表面材が、金属化層、帯電防止層、着色層、光沢層、抗菌層および光反応層からなる群から選択されるコーティングを更に含む、上記１に記載の物品。
１６ 前記表面材と前記コアの少なくとも１つの主表面の間に配置された接着剤層を更に含む、上記１に記載の物品。
１７ ａ）２つの主表面を有する吸音材料のコア、
ｂ）前記コアの少なくとも１つの主表面を被覆する表面材であって、凝集表面を有し、坪量１４０ｇ／ｍ 2 以下であり、孔径１００ｎｍ〜２０，０００ｎｍ、平均孔径２０，０００ｎｍ未満の複数の細孔を含む多孔質フラッシュ紡糸プレキシフィラメント状フィルム−フィブリルシートを含む表面材、および
ｃ）前記コアおよび少なくとも１つの主表面上の表面材を収容するための音響透過性硬質外被、
を含む、アセンブリ。
１８ 前記音響透過性硬質外被が、有孔金属、有孔プラスチック、および有孔の固体充填樹脂材料からなる群から選択される、上記１７に記載のアセンブリ。
１９ 約１２００Ｈｚ未満の周波数での前記アセンブリの吸音が、前記表面材のないアセンブリの吸音より少なくとも５％高い、上記１７に記載のアセンブリ。
２０ ２つの主表面を有する吸音材料のコア、および
前記コアの少なくとも１つの主表面を被覆する表面材であって、凝集表面を有し、坪量１４０ｇ／ｍ 2 以下であり、孔径１００ｎｍ〜２０，０００ｎｍ、平均孔径２０，０００ｎｍ未満の複数の細孔を含む多孔質フラッシュ紡糸プレキシフィラメント状フィルム−フィブリルシートを含む表面材、
を含む、吸音間仕切り。
２１ １２００Ｈｚ未満の周波数での前記間仕切りの吸音が、前記表面材のない間仕切りの吸音より少なくとも５％高い、上記２０に記載の間仕切り。
２２ ２つの主表面を有する吸音材料のコア、および
前記コアの少なくとも１つの主表面を被覆する表面材であって、凝集表面を有し、坪量１４０ｇ／ｍ 2 以下であり、孔径１００ｎｍ〜２０，０００ｎｍ、平均孔径２０，０００ｎｍ未満の複数の細孔を含む多孔質フラッシュ紡糸プレキシフィラメント状フィルム−フィブリルシートを含む表面材、
を含む、吸音性建築用表面被覆材。
２３ １２００Ｈｚ未満の周波数での前記被覆材の吸音が、前記表面材のない被覆材の吸音より少なくとも５％高い、上記２２に記載の被覆材。
２４ （ａ）凝集表面を有し、坪量１４０ｇ／ｍ 2 以下であり、孔径１００ｎｍ〜２０，０００ｎｍ、平均孔径２０，０００ｎｍ未満の複数の細孔を含む多孔質フラッシュ紡糸プレキシフィラメント状フィルム−フィブリルシートの表面材によって被覆された吸音材料のコアを含む吸音物品を提供する工程と、
（ｂ）周囲音が前記物品に吸収されるように環境内に前記物品を配置する工程と、
を含む、環境内の吸音を改善する方法。
As can be seen in FIG. 3, the sound absorbing materials of Examples 1 and 2 represented by curves 1 and 2 are continuous when compared with the comparative example represented by curve C in the frequency range of 400 Hz to 1200 Hz. Provide improved sound absorption. The sound absorbing material having the surface material is improved by at least 5% higher than the sound absorbing material without the surface material. Also, from Examples 1 and 2, the surface material of the present invention is much thicker than commonly used impervious film surface material and has a much higher airflow resistance per unit area than typical perforated surface material. Can be seen to substantially not reflect acoustic energy at relatively high speech domain frequencies.
Next, preferred embodiments of the present invention will be shown.
A core of sound-absorbing material having two main surfaces; and
A surface material covering at least one main surface of the core, having a cohesive surface, having a basis weight of 140 g / m 2 or less, a pore diameter of 100 nm to 20,000 nm, and an average pore diameter of less than 20,000 nm. Porous flash spun plexifilamentary film containing pores-surface material comprising fibril sheet,
Sound absorbing articles including.
2 The noise reduction rate of the core of the sound absorbing material is 0.3 to 0.9, and the sound absorbing material is selected from the group consisting of fiber bats, foams, honeycombs, air layers, perforated materials, and combinations thereof. The article according to 1 above.
3. The article according to 1 above, wherein the surface material has a plurality of pores having a pore diameter of 100 nm to 20,000 nm and an average pore diameter of less than 5,000 nm.
4. The article according to 1 above, wherein the surface material has a plurality of pores having a pore diameter of 100 nm to 20,000 nm and an average pore diameter of less than 2,000 nm.
5. The article according to 1 above, wherein the surface material comprises a polymer selected from the group consisting of polyethylene and polypropylene.
6. The article according to 1 above, wherein the thickness of the surface material is 1 mm or less and the thickness of the core is at least 5 mm.
7. The article according to 1 above, wherein the surface material has a Parker surface smoothness of 6 micrometers or more.
8. The article according to 1 above, wherein a graphic image is printed on the surface material.
9 The article according to 1 above, wherein the tensile strength of the surface material is at least 20 N / 2.54 cm.
10. The article according to 1 above, wherein the surface material does not contain nutrients that promote the growth of microorganisms.
11 The article according to 1 above, wherein the logarithmic reduction value of the surface material is at least 4.
12. The article of claim 1, wherein the sound absorption of the article at a frequency of less than 1200 Hz is at least 5% higher than the sound absorption of the article without the face material.
13 The article according to 1 above, wherein the surface material is further perforated and a hole protrudes through the surface material.
[14] The article according to [13], wherein the hole has a diameter of less than 1 mm.
15. The article according to 1 above, wherein the surface material further comprises a coating selected from the group consisting of a metallized layer, an antistatic layer, a colored layer, a glossy layer, an antibacterial layer, and a photoreactive layer.
16. The article of claim 1, further comprising an adhesive layer disposed between the face material and at least one major surface of the core.
17 a) a core of sound-absorbing material having two main surfaces;
b) A surface material covering at least one main surface of the core, having a cohesive surface, a basis weight of 140 g / m 2 or less, a plurality of pore diameters of 100 nm to 20,000 nm, and an average pore diameter of less than 20,000 nm A porous flash-spun plexifilamentary film-a surface material comprising a fibril sheet, and
c) an acoustically permeable hard jacket for accommodating the core and a surface material on at least one major surface;
Including the assembly.
18. The assembly of claim 17, wherein the acoustically permeable hard jacket is selected from the group consisting of perforated metals, perforated plastics, and perforated solid-filled resin materials.
19. The assembly of claim 17, wherein the sound absorption of the assembly at a frequency of less than about 1200 Hz is at least 5% higher than the sound absorption of the assembly without the face material.
20 a core of sound-absorbing material having two main surfaces; and
A surface material covering at least one main surface of the core, having a cohesive surface, having a basis weight of 140 g / m 2 or less, a pore diameter of 100 nm to 20,000 nm, and an average pore diameter of less than 20,000 nm. Porous flash spun plexifilamentary film containing pores-surface material comprising fibril sheet,
Including sound-absorbing partition.
21. The partition according to 20, wherein the sound absorption of the partition at a frequency of less than 1200 Hz is at least 5% higher than the sound absorption of the partition without the surface material.
22 a core of sound-absorbing material having two main surfaces; and
A surface material covering at least one main surface of the core, having a cohesive surface, having a basis weight of 140 g / m 2 or less, a pore diameter of 100 nm to 20,000 nm, and an average pore diameter of less than 20,000 nm. Porous flash spun plexifilamentary film containing pores-surface material comprising fibril sheet,
A surface covering material for sound-absorbing construction, including
23. The dressing as described in 22 above, wherein the sound absorption of the dressing at a frequency of less than 1200 Hz is at least 5% higher than the sound absorption of the dressing without the surface material.
24 (a) Porous flash spun plexifilamentary film-fibril having agglomerated surface, having a basis weight of 140 g / m 2 or less, and having a plurality of pores having a pore size of 100 nm to 20,000 nm and an average pore size of less than 20,000 nm Providing a sound-absorbing article comprising a core of sound-absorbing material coated with a surface material of the sheet;
(B) placing the article in the environment such that ambient sounds are absorbed by the article;
To improve sound absorption in the environment.
Claims (5)
前記コアの少なくとも１つの主表面を被覆する表面材であって、凝集表面を有し、坪量１４０ｇ／ｍ2以下であり、孔径１００ｎｍ〜２０，０００ｎｍ、平均孔径２０，０００ｎｍ未満の複数の細孔を含む多孔質フラッシュ紡糸プレキシフィラメント状フィルム−フィブリルシートを含む表面材、
を含む吸音物品。 A core of a sound-absorbing material having two main surfaces; and a surface material covering at least one main surface of the core, having a cohesive surface, having a basis weight of 140 g / m 2 or less, and having a pore diameter of 100 nm to 20, A surface material comprising a porous flash-spun plexifilamentary film-fibril sheet comprising a plurality of pores having an average pore size of less than 20,000 nm and an average pore size of 20,000 nm;
Sound absorbing articles including.
ｂ）前記コアの少なくとも１つの主表面を被覆する表面材であって、凝集表面を有し、坪量１４０ｇ／ｍ2以下であり、孔径１００ｎｍ〜２０，０００ｎｍ、平均孔径２０，０００ｎｍ未満の複数の細孔を含む多孔質フラッシュ紡糸プレキシフィラメント状フィルム−フィブリルシートを含む表面材、および
ｃ）前記コアおよび少なくとも１つの主表面上の表面材を収容するための音響透過性硬質外被、
を含む、アセンブリ。 a) a core of a sound-absorbing material having two main surfaces;
b) A surface material covering at least one main surface of the core, having a cohesive surface, a basis weight of 140 g / m 2 or less, a plurality of pore diameters of 100 nm to 20,000 nm, and an average pore diameter of less than 20,000 nm A porous flash-spun plexifilamentary film-a surface material comprising a fibril sheet, and c) an acoustically permeable hard jacket for accommodating the core and the surface material on at least one major surface,
Including the assembly.
前記コアの少なくとも１つの主表面を被覆する表面材であって、凝集表面を有し、坪量１４０ｇ／ｍ2以下であり、孔径１００ｎｍ〜２０，０００ｎｍ、平均孔径２０，０００ｎｍ未満の複数の細孔を含む多孔質フラッシュ紡糸プレキシフィラメント状フィルム−フィブリルシートを含む表面材、
を含む、吸音間仕切り。 A core of a sound-absorbing material having two main surfaces; and a surface material covering at least one main surface of the core, having a cohesive surface, having a basis weight of 140 g / m 2 or less, and having a pore diameter of 100 nm to 20, A surface material comprising a porous flash-spun plexifilamentary film-fibril sheet comprising a plurality of pores having an average pore size of less than 20,000 nm and an average pore size of 20,000 nm;
Including sound-absorbing partition.
前記コアの少なくとも１つの主表面を被覆する表面材であって、凝集表面を有し、坪量１４０ｇ／ｍ2以下であり、孔径１００ｎｍ〜２０，０００ｎｍ、平均孔径２０，０００ｎｍ未満の複数の細孔を含む多孔質フラッシュ紡糸プレキシフィラメント状フィルム−フィブリルシートを含む表面材、
を含む、吸音性建築用表面被覆材。 A core of a sound-absorbing material having two main surfaces; and a surface material covering at least one main surface of the core, having a cohesive surface, having a basis weight of 140 g / m 2 or less, and having a pore diameter of 100 nm to 20, A surface material comprising a porous flash-spun plexifilamentary film-fibril sheet comprising a plurality of pores having an average pore size of less than 20,000 nm and an average pore size of 20,000 nm;
A surface covering material for sound-absorbing construction, including
（ｂ）周囲音が前記物品に吸収されるように環境内に前記物品を配置する工程と、
を含む、環境内の吸音を改善する方法。 (A) Porous flash spun plexifilamentary film-fibril sheet having a cohesive surface, having a basis weight of 140 g / m 2 or less, and having a plurality of pores having a pore size of 100 nm to 20,000 nm and an average pore size of less than 20,000 nm Providing a sound-absorbing article comprising a core of a sound-absorbing material coated with a surface material of
(B) placing the article in the environment such that ambient sounds are absorbed by the article;
To improve sound absorption in the environment.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US888207P | 2007-12-20 | 2007-12-20 | |
| US61/008,882 | 2007-12-20 | ||
| PCT/US2008/087899 WO2009086245A1 (en) | 2007-12-20 | 2008-12-22 | Acoustic absorber with barrier facing |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014024014A Division JP5806349B2 (en) | 2007-12-20 | 2014-02-12 | Sound absorbing material having a barrier surface material |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011508118A JP2011508118A (en) | 2011-03-10 |
| JP2011508118A5 true JP2011508118A5 (en) | 2012-02-16 |
| JP5479365B2 JP5479365B2 (en) | 2014-04-23 |
Family
ID=40459603
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010539926A Expired - Fee Related JP5479365B2 (en) | 2007-12-20 | 2008-12-22 | Sound absorbing material having a barrier surface material |
| JP2014024014A Expired - Fee Related JP5806349B2 (en) | 2007-12-20 | 2014-02-12 | Sound absorbing material having a barrier surface material |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014024014A Expired - Fee Related JP5806349B2 (en) | 2007-12-20 | 2014-02-12 | Sound absorbing material having a barrier surface material |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20090173569A1 (en) |
| EP (1) | EP2231942B1 (en) |
| JP (2) | JP5479365B2 (en) |
| CN (1) | CN101946048A (en) |
| WO (1) | WO2009086245A1 (en) |
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| KR200440716Y1 (en) * | 2006-10-24 | 2008-06-27 | 이계정 | Composite sound-absorbing materials made from polyester of high density and method for preparation thereof |
| US8434120B2 (en) | 2007-06-26 | 2013-04-30 | Thomson Licensing | System and method for grouping program identifiers into multicast groups |
| EP2283480A4 (en) * | 2008-05-22 | 2016-11-09 | 3M Innovative Properties Co | Multilayer sound absorbing structure comprising mesh layer |
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| FR2978373B1 (en) * | 2011-07-28 | 2013-08-02 | Saint Gobain Adfors | ACOUSTIC ABSORBENT WALL COATING |
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| JP6705780B2 (en) * | 2017-07-27 | 2020-06-03 | 富士フイルム株式会社 | Soundproof structure |
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2008
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- 2008-12-22 WO PCT/US2008/087899 patent/WO2009086245A1/en active Application Filing
- 2008-12-22 EP EP08865987.5A patent/EP2231942B1/en not_active Not-in-force
- 2008-12-22 CN CN2008801272788A patent/CN101946048A/en active Pending
- 2008-12-22 JP JP2010539926A patent/JP5479365B2/en not_active Expired - Fee Related
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2014
- 2014-02-12 JP JP2014024014A patent/JP5806349B2/en not_active Expired - Fee Related
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