JP4416564B2 - 吸音性衝撃吸収部材 - Google Patents
吸音性衝撃吸収部材 Download PDFInfo
- Publication number
- JP4416564B2 JP4416564B2 JP2004129401A JP2004129401A JP4416564B2 JP 4416564 B2 JP4416564 B2 JP 4416564B2 JP 2004129401 A JP2004129401 A JP 2004129401A JP 2004129401 A JP2004129401 A JP 2004129401A JP 4416564 B2 JP4416564 B2 JP 4416564B2
- Authority
- JP
- Japan
- Prior art keywords
- sound
- absorbing
- chip
- polyurethane foam
- absorbing member
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 230000035939 shock Effects 0.000 title description 30
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 35
- 239000011496 polyurethane foam Substances 0.000 claims description 35
- 239000011230 binding agent Substances 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 14
- 239000006260 foam Substances 0.000 claims description 13
- 230000035699 permeability Effects 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 description 31
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims (1)
- 平均粒径3〜15mmに粉砕した連続気泡発泡体として硬質ポリウレタン発泡体と軟質ポリウレタン発泡体を体積含有比率100:0〜70:30で含むチップをバインダーと共に、前記チップの見掛け体積に対して1/3〜1/10の圧縮率で圧縮成形してなる、通気度が5〜80cc/cm2/secの吸音性衝撃吸収部材。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004129401A JP4416564B2 (ja) | 2004-04-26 | 2004-04-26 | 吸音性衝撃吸収部材 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004129401A JP4416564B2 (ja) | 2004-04-26 | 2004-04-26 | 吸音性衝撃吸収部材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005307109A JP2005307109A (ja) | 2005-11-04 |
JP4416564B2 true JP4416564B2 (ja) | 2010-02-17 |
Family
ID=35436235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004129401A Expired - Lifetime JP4416564B2 (ja) | 2004-04-26 | 2004-04-26 | 吸音性衝撃吸収部材 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4416564B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100442034C (zh) * | 2003-08-25 | 2008-12-10 | 高安株式会社 | 吸声材料 |
KR100705465B1 (ko) * | 2006-01-24 | 2007-04-10 | 주식회사 일신텍스타일 | 흡음성과 단열성이 우수한 자동차용 내장재 및 그 제조방법 |
JP5055856B2 (ja) * | 2006-06-29 | 2012-10-24 | トヨタ紡織株式会社 | 吸音材の製造方法 |
JP5468188B2 (ja) * | 2006-10-27 | 2014-04-09 | 株式会社イノアックコーポレーション | シール材とその製造方法 |
JP4913847B2 (ja) * | 2009-06-16 | 2012-04-11 | 之啓 西川 | 吸音体及びその製造方法 |
JP6439971B2 (ja) * | 2014-12-09 | 2018-12-19 | 国立大学法人帯広畜産大学 | 発泡樹脂の製造方法、粉砕物の製造方法、吸水材の製造方法及び吸音材の製造方法 |
JP6630498B2 (ja) * | 2015-06-10 | 2020-01-15 | 日本プラスト株式会社 | 発泡樹脂、樹脂成形体、積層樹脂成形体、吸音材、及び吸水材 |
JP2019084910A (ja) * | 2017-11-06 | 2019-06-06 | 豊和繊維工業株式会社 | 乗物用内装芯材、および、これを用いた乗物用内装材 |
-
2004
- 2004-04-26 JP JP2004129401A patent/JP4416564B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2005307109A (ja) | 2005-11-04 |
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