SI9620075B - Nove elastične poliuretanske pene - Google Patents
Nove elastične poliuretanske pene Download PDFInfo
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- SI9620075B SI9620075B SI9620075A SI9620075A SI9620075B SI 9620075 B SI9620075 B SI 9620075B SI 9620075 A SI9620075 A SI 9620075A SI 9620075 A SI9620075 A SI 9620075A SI 9620075 B SI9620075 B SI 9620075B
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- weight
- foam
- polyol
- compound
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- 229920005830 Polyurethane Foam Polymers 0.000 title claims abstract 6
- 239000011496 polyurethane foam Substances 0.000 title claims abstract 6
- 150000003077 polyols Chemical class 0.000 claims abstract 22
- 239000006260 foam Substances 0.000 claims abstract 16
- 229920005862 polyol Polymers 0.000 claims abstract 10
- 239000005056 polyisocyanate Substances 0.000 claims abstract 6
- 229920001228 polyisocyanate Polymers 0.000 claims abstract 6
- 238000004519 manufacturing process Methods 0.000 claims abstract 2
- 150000001875 compounds Chemical class 0.000 claims 11
- 238000005452 bending Methods 0.000 claims 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 7
- 230000003750 conditioning effect Effects 0.000 claims 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 6
- 238000000034 method Methods 0.000 claims 5
- 230000001143 conditioned effect Effects 0.000 claims 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 2
- 239000012948 isocyanate Substances 0.000 claims 2
- 150000002513 isocyanates Chemical class 0.000 claims 2
- -1 polyoxyethylene units Polymers 0.000 claims 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000002940 repellent Effects 0.000 claims 1
- 239000005871 repellent Substances 0.000 claims 1
- 238000003860 storage Methods 0.000 claims 1
- 230000009477 glass transition Effects 0.000 abstract 1
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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/38—Destruction of cell membranes
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/16—Making expandable particles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/02—Polymeric products of isocyanates or isothiocyanates of isocyanates or isothiocyanates only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/09—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
- C08G18/095—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture oligomerisation to carbodiimide or uretone-imine groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0025—Foam properties rigid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cell Biology (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Claims (17)
1 PATENTNI ZAHTEVKI 1. Postopek za pripravo trde poliuretanske pene, ki ima krogelni odboj pod 40% pri gostoti jedra prostega dviga 3-27 kg/m1 2 (pri čemer krogelni odboj merimo po ISO 8307 pod pogojem, da ne uporabimo predhodnega upogibnega kondicioniranja, da merimo le eno odbojno vrednost na vzorec in da testne kose kondicioniramo pri 23°C
± 2°C pri relativni vlažnosti 50 ± 5%), označen s tem, da presnovimo poliizocianat (1), izocianatno reaktivno spojino (2) s povprečno ekvivalentno maso največ 374 in s povprečnim številom izocianatno reaktivnih atomov vodika od 2 do 8, izocianatno reaktivno spojino (3) s povprečno ekvivalentno maso več kot 374 in s povprečnim številom izocianatno reaktivnih atomov vodika od 2 do 6 in vodo, pri čemer je količina spojine (2), spojina (3) in vode (na 100 mas.delov poliizocianata, spojine (2), spojine (3) in vode) v območju od 2 do 20 mas.delov, 5 do 35 mas.delov oz. 1 do 17 mas.delov s pridržkom, da spojina (3) ne obstoji iz polioksialkilen poliola s funkcionalnostjo 2-3,5 hidroksilno vrednostjo 28-90 mg KOH/g in z vsebnostjo polioksietilenskih enot ne več kot 5 mas.%. 1 Postopek za pripravo trde poliuretanske pene, ki ima krogelni odboj pod 40% pri 2 gostoti jedra prostega dviga 3-27 kg/m2 (pri čemer krogelni odboj merimo po ISO 8307 pod pogojem, da ne uporabimo predhodnega upogibnega kondicioniranja, da merimo le eno odbojno vrednost na vzorec in da testne kose kondicioniramo pri 23 °C ± 2°C pri relativni vlažnosti 50 ± 5%), označen s tem, da presnovimo poliizocianat (1), poliol (2) s hidroksilnim številom vsaj 150 mg KOH/g in povprečno nominalno hidroksilno funkcionalnostjo od 2 do 8, poliol (3) s hidroksilnim številom od 10 do manj kot 150 in povprečno nominalno hidroksilno funkcionalnostjo od 2 do 6 in vodo, pri čemer je količina poliola (2), poliola (3) in vode (na 100 mas.delov poliizocianata, poliola (2), poliola (3) in vode) v območju 2 do 20 mas.delov, 5-35 mas.delov oz. 1-17 mas.delov, s pridržkom, da poliol (3) ne obstoji iz polioksialkilen poliola s funkcionalnostjo 2-3,5 hidroksilno vrednostjo 28-90 mg KOH/g in vsebnostjo polioksietilenskih enot ne več kot 5 mas.%. 2
3. Postopek po zahtevku 1 do 2, označen s tem, da je masno razmerje spojine (2): spojini (3) 0,1-4:1.
4. Postopek po zahtevku 1 do 3, označen s tem, daje gostota jedra prostega dviga pene 3-27 kg/m3.
5. Postopek po zahtevkih 1 do 3, označen s tem, da je gostota jedra prostega dviga pene 3-18 kg/m3.
6. Postopek za pripravo elastične poliuretanske pene, ki ima krogelni odboj vsaj 40% v vsaj eni od tridimenzionalnih smeri (pri čemer krogelni odboj merimo po ISO 8307 pod pogojem, da ne uporabimo predhodnega upogibnega kondicioniranja, da merimo le eno odbojno vrednost na vzorec in da testne kose kondicioniramo pri 23°C ± 2°C pri relativni vlažnosti 50 ± 5%), označen s tem, da zmečkamo trdo peno, dobljeno po zahtevkih 1 do 5.
7. Reakcijski sistem, označen s tem, da obsega poliizocianat (1), spojino (2), spojino (3) in vodo, kot je opisano v zahtevkih 1 do 3, v količinah, ki so tam opisane.
8. Pena, označena s tem, da se jo da dobiti po zahtevkih 1 do 5.
9. Pena, označena s tem, da se jo da dobiti po zahtevku 6.
10. Elastična poliuretanska pena, označena s tem, da ima krogelni odboj vsaj 40% v vsaj eni od tridimenzionalnih smeri (pri čemer krogelni odboj merimo po ISO 8307 pod pogojem, da ne uporabimo predhodnega upogibnega kondicioniranja, da merimo le eno odbojno vrednost na vzorec in da testne kose kondicioniramo pri 23°C ± 2°C pri relativni vlažnosti 50 ± 5%) in da ima razmerje E'.10ooc/E'+25°c 1,3-15 (DMTA, ISO/DIS 6721-5). 3
11. Elastična pena po zahtevku 10, označena s tem, da ima gostoto jedra prostega dviga 4-30 kg/m3.
12. Elastična pena po zahtevkih 10 do 11, označena s tem, da ima vsebnost benzenovih obročev 30 do 70 mas.% glede na maso pene.
13. Elastična pena po zahtevkih 10 do 12, označena s tem, da ima faktor ukrivljenosti 4,5-10.
14. Elastična pena po zahtevkih 10 do 13, označena s tem, da ima Youngov shranitveni modul pri 25 °C 10-200 kPa.
15. Elastična pena po zahtevkih 10 do 14, označena s tem, da ima krogelni odboj vsaj 50 % v vsaj eni od tridimenzionalnih smeri (ISO 8307 pod pogojem, da ne uporabimo predhodnega upogibnega kondicioniranja, da merimo le eno odbojno vrednost na vzorec in da testne kose kondicioniramo pri 23°C ± 2°C pri relativni vlažnosti 50 ± 5%).
16. Elastična pena po zahtevkih 10 do 15, označena s tem, da ima krogelni odboj 55-85 % v vsaj eni od tridimenzionalnih smeri (ISO 8307 pod pogojem, da ne uporabimo predhodnega upogibnega kondicioniranja, da merimo le eno odbojno vrednost na vzorec in da testne kose kondicioniramo pri 23°C ± 2°C pri relativni vlažnosti 50 ± 5%).
17. Elastična pena po zahtevkih 10 do 16, označena s tem, da ima CLD histerezo pod 45 %.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP95201246 | 1995-05-12 | ||
| PCT/EP1996/001594 WO1996035744A1 (en) | 1995-05-12 | 1996-04-16 | New flexible polyurethane foams |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SI9620075A SI9620075A (sl) | 1998-06-30 |
| SI9620075B true SI9620075B (sl) | 2002-02-28 |
Family
ID=8220290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SI9620075A SI9620075B (sl) | 1995-05-12 | 1996-04-16 | Nove elastične poliuretanske pene |
Country Status (28)
| Country | Link |
|---|---|
| EP (1) | EP0830419B1 (sl) |
| JP (3) | JP3883572B2 (sl) |
| KR (1) | KR100419820B1 (sl) |
| CN (3) | CN1098298C (sl) |
| AR (2) | AR002292A1 (sl) |
| AT (1) | ATE184297T1 (sl) |
| AU (1) | AU716966B2 (sl) |
| BG (1) | BG102049A (sl) |
| BR (1) | BR9608507A (sl) |
| CA (1) | CA2218288C (sl) |
| CZ (1) | CZ290765B6 (sl) |
| DE (1) | DE69604177T2 (sl) |
| DK (1) | DK0830419T3 (sl) |
| ES (1) | ES2138813T3 (sl) |
| GR (1) | GR3031569T3 (sl) |
| HU (1) | HUP9801690A3 (sl) |
| MX (1) | MX9708733A (sl) |
| NO (1) | NO975183L (sl) |
| NZ (1) | NZ305870A (sl) |
| PL (1) | PL187086B1 (sl) |
| RO (1) | RO115169B1 (sl) |
| RU (1) | RU2144546C1 (sl) |
| SI (1) | SI9620075B (sl) |
| SK (1) | SK150897A3 (sl) |
| TR (1) | TR199701345T1 (sl) |
| TW (2) | TW401428B (sl) |
| WO (1) | WO1996035744A1 (sl) |
| ZA (1) | ZA963238B (sl) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ305870A (en) * | 1995-05-12 | 1999-11-29 | Huntsman Ici Chem Llc | New flexible polyurethane foams |
| KR20000053117A (ko) * | 1996-11-08 | 2000-08-25 | 네바드 에드워드 죤 | 경질 및 연질 폴리우레탄 발포체의 제조 방법 |
| KR20000053118A (ko) * | 1996-11-08 | 2000-08-25 | 네바드 에드워드 죤 | 경질 및 연질 폴리우레탄 발포체의 제조 방법 |
| KR20000053116A (ko) * | 1996-11-08 | 2000-08-25 | 네바드 에드워드 죤 | 연질 폴리우레탄 발포체의 제조 방법 |
| EP0937115A1 (en) * | 1996-11-08 | 1999-08-25 | Imperial Chemical Industries Plc | New flexible polyurethane foams |
| WO1999005066A1 (en) * | 1997-07-23 | 1999-02-04 | Huntsman Ici Chemicals Llc | Foam for absorbing hydrophobic liquids |
| EP1037942A1 (en) * | 1997-12-13 | 2000-09-27 | Huntsman Ici Chemicals Llc | Process for making rigid and flexible polyurethane foams |
| GB9805619D0 (en) * | 1998-03-18 | 1998-05-13 | Noise Cancellation Tech | Cushioned earphones |
| DE19905989A1 (de) * | 1999-02-13 | 2000-08-17 | Bayer Ag | Feinzellige, wassergetriebene Polyurethanhartschaumstoffe |
| AU6842500A (en) | 1999-10-07 | 2001-05-10 | Huntsman International Llc | Process for making rigid and flexible polyurethane foams containing a fire-retardant |
| EP1178061A1 (en) | 2000-08-01 | 2002-02-06 | Huntsman International Llc | Process for preparing a polyurethane material |
| EP1178063A1 (en) * | 2000-08-01 | 2002-02-06 | Huntsman International Llc | Process for preparing a polyurethane material |
| AU2005220170B2 (en) * | 2000-08-01 | 2007-05-31 | Huntsman International Llc | Flexible polyurethane foam |
| FR2836470B1 (fr) * | 2002-02-25 | 2004-07-09 | J S O | Matelassure en mousse de melanine et ses applications |
| ES2370718T3 (es) * | 2003-06-12 | 2011-12-22 | Huntsman International Llc | Procedimiento para preparar un material de poliisocianurato-poliuretano. |
| JP4459711B2 (ja) * | 2004-05-12 | 2010-04-28 | 日本ポリウレタン工業株式会社 | 鉄道用パッドの製造方法 |
| US7268170B2 (en) * | 2004-10-13 | 2007-09-11 | Bayer Materialscience Llc | Foam modifier, foams prepared from this novel foam modifier and a process for the preparation of these foams |
| KR100901791B1 (ko) * | 2005-03-21 | 2009-06-11 | 그레이트 레이크스 케미칼 코퍼레이션 | 난연제 및 난연화된 중합체 |
| KR20080057271A (ko) * | 2005-10-13 | 2008-06-24 | 헌트스만 인터내셔날, 엘엘씨 | 폴리이소시아누레이트 폴리우레탄 물질을 제조하는 방법 |
| US20080227929A1 (en) * | 2005-10-13 | 2008-09-18 | Huntsman International Llc | Process for Preparing a Polyisocyanurate Polyurethane Material |
| US8129457B2 (en) | 2006-03-22 | 2012-03-06 | Chemtura Corporation | Flame retardant blends for flexible polyurethane foam |
| JP5204754B2 (ja) | 2006-03-24 | 2013-06-05 | ハンツマン・インターナショナル・エルエルシー | ポリウレタンフォームの製造方法 |
| US20070246157A1 (en) * | 2006-04-25 | 2007-10-25 | Technogel Gmbh & Co. | Process for preparing an apparatus comprising a gel layer |
| JP5000713B2 (ja) | 2006-06-14 | 2012-08-15 | ハンツマン・インターナショナル・エルエルシー | 複合パネル |
| JP5060158B2 (ja) * | 2007-04-23 | 2012-10-31 | バンドー化学株式会社 | 電子写真装置用クリーニングブレード及びその製造方法 |
| JP5080877B2 (ja) * | 2007-06-20 | 2012-11-21 | リケンテクノス株式会社 | 吸音体 |
| DE102007049506B3 (de) * | 2007-10-15 | 2009-05-28 | Bayer Materialscience Ag | Bodenbedeckung mit viskoelastischen Dämpfungseigenschaften |
| EP2247636B2 (de) | 2008-02-20 | 2019-10-30 | Basf Se | Plastisch verformbare polyurthan-hartschaumstoffe mit verbesserter luftdurchlässigkeit und deren verwendung zur herstellung von autohimmeln |
| PT2303944T (pt) * | 2008-07-18 | 2017-12-05 | Aou Kaoru | Estruturas celulares e espumas de poliuretano viscoelástico |
| US9643377B2 (en) | 2013-05-02 | 2017-05-09 | Tower Ipco Company Limited | Floor plank with foam core |
| US9133626B2 (en) | 2013-05-02 | 2015-09-15 | Tower Ipco Company Limited | Multi-purpose tile |
| WO2018139084A1 (ja) * | 2017-01-25 | 2018-08-02 | 住友ゴム工業株式会社 | 空気入りタイヤ |
| SG11202004869PA (en) | 2017-12-08 | 2020-06-29 | Shell Int Research | Antioxidant for low-density polyurethane foam |
| JP7327904B2 (ja) * | 2018-03-30 | 2023-08-16 | マツダ株式会社 | ２液反応型ウレタン樹脂組成物を用いたポリウレタンフォームの形成方法 |
| JP7656605B2 (ja) * | 2019-11-13 | 2025-04-03 | ビーエーエスエフ ソシエタス・ヨーロピア | コンフォートｅＴＰＵ |
| CN113980346B (zh) * | 2021-10-29 | 2022-11-04 | 中国科学院长春应用化学研究所 | 一种开孔聚氨酯负泊松比泡沫材料及其制备方法 |
| EP4223816A1 (en) | 2022-02-04 | 2023-08-09 | Covestro Deutschland AG | Polyol composition |
| US20250243312A1 (en) * | 2022-04-25 | 2025-07-31 | Shell Usa, Inc. | Low-density polyurethane foam |
| JP2024003268A (ja) * | 2022-06-26 | 2024-01-12 | 株式会社イノアックコーポレーション | 制振部材、ルーフライナー、車両の天井構造及び制振構造 |
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| US3159700A (en) * | 1962-05-31 | 1964-12-01 | Dow Chemical Co | Flexibilizing rigid foams |
| FR2447802A1 (fr) * | 1979-01-30 | 1980-08-29 | Roth Sa Freres | Procede de fabrication d'un materiau d'absorption phonique et materiau ainsi obtenu |
| NZ200225A (en) * | 1981-04-15 | 1985-05-31 | Asahi Dow Ltd | Directional flexibilisation of expanded thermoplastic foam sheet |
| US4454248A (en) * | 1982-09-29 | 1984-06-12 | The Boeing Company | Open cell rigid thermoset foams and method |
| SU1599388A1 (ru) * | 1988-07-01 | 1990-10-15 | Научно-производственное объединение "Полимерсинтез" | Смесь гидроксилсодержащих соединений дл получени жесткого пенополиуретана |
| US5187204A (en) * | 1990-12-27 | 1993-02-16 | Basf Corporation | Energy absorbing, water blown, rigid polyurethane foam articles |
| TW293827B (sl) * | 1992-04-20 | 1996-12-21 | Takeda Pharm Industry Co Ltd | |
| US5260347A (en) * | 1992-12-04 | 1993-11-09 | Basf Corporation | Low density, water-blown, rigid polyurethane foams having good physical properties and improved initial surface friability |
| DE4330314A1 (de) * | 1993-09-08 | 1995-03-09 | Basf Ag | Verfahren zur Herstellung von Schaumstoffplatten mit verbesserten Schalldämmeigenschaften |
| NZ305870A (en) * | 1995-05-12 | 1999-11-29 | Huntsman Ici Chem Llc | New flexible polyurethane foams |
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1996
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