ES2536207T3 - Prepolímero terminado en isocianato, procedimiento de preparación y uso del mismo - Google Patents
Prepolímero terminado en isocianato, procedimiento de preparación y uso del mismo Download PDFInfo
- Publication number
- ES2536207T3 ES2536207T3 ES10742100.0T ES10742100T ES2536207T3 ES 2536207 T3 ES2536207 T3 ES 2536207T3 ES 10742100 T ES10742100 T ES 10742100T ES 2536207 T3 ES2536207 T3 ES 2536207T3
- Authority
- ES
- Spain
- Prior art keywords
- weight
- terminated prepolymer
- polyol
- isocyanate
- mdi
- 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.)
- Active
Links
- 150000002513 isocyanates Chemical class 0.000 title claims abstract description 78
- 239000012948 isocyanate Substances 0.000 title claims abstract description 77
- 238000002360 preparation method Methods 0.000 title claims description 11
- 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 claims abstract description 117
- -1 polymethylene Polymers 0.000 claims abstract description 43
- 229920000570 polyether Polymers 0.000 claims abstract description 36
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 35
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920000538 Poly[(phenyl isocyanate)-co-formaldehyde] Polymers 0.000 claims abstract description 17
- 229920006389 polyphenyl polymer Polymers 0.000 claims abstract description 11
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 10
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 10
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 6
- 229920005862 polyol Polymers 0.000 claims description 76
- 150000003077 polyols Chemical class 0.000 claims description 76
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 56
- 239000011496 polyurethane foam Substances 0.000 claims description 56
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 13
- 239000004970 Chain extender Substances 0.000 claims description 11
- 239000006260 foam Substances 0.000 claims description 11
- 239000003381 stabilizer Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 239000000203 mixture Substances 0.000 description 21
- 125000006353 oxyethylene group Chemical group 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- 150000001412 amines Chemical class 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 239000012467 final product Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- AHWDQDMGFXRVFB-UHFFFAOYSA-N 1,3,5-trimethyl-1,3,5-triazinane-2,4,6-trione Chemical compound CN1C(=O)N(C)C(=O)N(C)C1=O AHWDQDMGFXRVFB-UHFFFAOYSA-N 0.000 description 1
- PISLZQACAJMAIO-UHFFFAOYSA-N 2,4-diethyl-6-methylbenzene-1,3-diamine Chemical compound CCC1=CC(C)=C(N)C(CC)=C1N PISLZQACAJMAIO-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001718 carbodiimides Chemical group 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229940126214 compound 3 Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Classifications
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
-
- 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
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
- C08G18/14—Manufacture of cellular products
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- 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
- C08G2110/0008—Foam properties flexible
-
- 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
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)
- Manufacturing & Machinery (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910194469.2A CN101993520B (zh) | 2009-08-24 | 2009-08-24 | 异氰酸酯封端预聚物、及其制备方法和用途 |
| CN200910194469 | 2009-08-24 | ||
| PCT/EP2010/004891 WO2011023291A2 (en) | 2009-08-24 | 2010-08-11 | Isocyanate-terminated prepolymer, the method for preparing the same and the use thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2536207T3 true ES2536207T3 (es) | 2015-05-21 |
Family
ID=43131289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES10742100.0T Active ES2536207T3 (es) | 2009-08-24 | 2010-08-11 | Prepolímero terminado en isocianato, procedimiento de preparación y uso del mismo |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US9434809B2 (enExample) |
| EP (1) | EP2470579B1 (enExample) |
| JP (1) | JP2013502500A (enExample) |
| CN (1) | CN101993520B (enExample) |
| BR (1) | BR112012004107A2 (enExample) |
| CA (1) | CA2771643A1 (enExample) |
| ES (1) | ES2536207T3 (enExample) |
| IN (1) | IN2012DN01679A (enExample) |
| MX (1) | MX343404B (enExample) |
| PT (1) | PT2470579E (enExample) |
| RU (1) | RU2547097C2 (enExample) |
| WO (1) | WO2011023291A2 (enExample) |
| ZA (1) | ZA201201146B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112017000946B1 (pt) * | 2014-07-25 | 2021-10-13 | Dow Global Technologies Llc | Adesivo estrutural de um componente e método para ligar partes revestidas ou pintadas feitas de plásticos reforçados com fibra |
| CN106536588B (zh) * | 2014-07-28 | 2020-08-18 | 东曹株式会社 | 用于制造软质聚氨酯泡沫的多异氰酸酯组合物、以及使用了其的软质聚氨酯泡沫的制造方法 |
| KR102516479B1 (ko) * | 2014-10-07 | 2023-04-03 | 쉘 인터내셔날 리써취 마트샤피지 비.브이. | 폴리우레탄에 관한 개선 |
| CN106883367A (zh) * | 2017-02-24 | 2017-06-23 | 长泰化学工业(惠州)有限公司 | 氨基甲酸酯二异氰酸酯预聚物、聚氨基甲酸酯发泡材料及其制备方法 |
| CN108250393B (zh) * | 2017-12-21 | 2020-09-29 | 浙江华峰新材料有限公司 | 水泥挡板用聚氨酯原液及其制备方法和应用 |
| CN113150242A (zh) * | 2021-01-14 | 2021-07-23 | 福建大方睡眠科技股份有限公司 | 一种模塑发泡成型聚氨酯纹胸模杯及其制备方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2965737D1 (de) * | 1978-10-03 | 1983-07-28 | Ici Plc | Liquid polyisocyanate compositions |
| US4365025A (en) * | 1981-12-08 | 1982-12-21 | W. R. Grace & Co. | Flexible polyurethane foams from polymethylene polyphenyl isocyanate containing prepolymers |
| IT1229755B (it) * | 1989-05-17 | 1991-09-10 | Montedipe Spa | Composizioni poliisocianiche e loro impiego nella preparazione di schiume poliuretaniche flessibili. |
| GB9307565D0 (en) | 1993-04-13 | 1993-06-02 | Ici Plc | Polyurethane foams |
| US5877227A (en) * | 1997-08-11 | 1999-03-02 | Imperial Chemical Industries Plc | Low density flexible polyurethane foams |
| TW568921B (en) | 1998-08-07 | 2004-01-01 | Huntsman Int Llc | Process for preparing a moulded flexible polyurethane foam |
| EP1172387A1 (en) * | 2000-07-14 | 2002-01-16 | Huntsman International Llc | Process for preparing an elastomer |
| EP1201695A1 (en) | 2000-10-23 | 2002-05-02 | Huntsman International Llc | The use of polyisocyanate compositions as a binder for composite lignocellulosic materials |
| ITMI20010357A1 (it) * | 2001-02-22 | 2002-08-22 | Enichem Spa | Composizioni isocianiche e loro impiego nella preparazione di espansipoliuretanici a migliorate caratteristiche fisico-meccaniche |
| WO2004014976A1 (en) | 2002-08-02 | 2004-02-19 | Huntsman International Llc | Prepolymer, polyol composition and process for making a flexible foam |
| DE102004047406A1 (de) * | 2004-09-28 | 2006-03-30 | Basf Ag | Verfahren zur Herstellung von Polyurethan-Weichschaumstoffen |
| JP2006282744A (ja) * | 2005-03-31 | 2006-10-19 | Nippon Polyurethane Ind Co Ltd | 軟質ポリウレタンスラブフォーム用ポリイソシアネート及びそれを用いた軟質ポリウレタンスラブフォームの製造方法 |
| JP2008274051A (ja) * | 2007-04-26 | 2008-11-13 | Nippon Polyurethane Ind Co Ltd | 軟質ポリウレタンフォーム用ポリイソシアネート組成物及び該組成物を用いた軟質ポリウレタンフォームの製造方法 |
-
2009
- 2009-08-24 CN CN200910194469.2A patent/CN101993520B/zh not_active Expired - Fee Related
-
2010
- 2010-08-11 BR BR112012004107A patent/BR112012004107A2/pt not_active IP Right Cessation
- 2010-08-11 EP EP10742100.0A patent/EP2470579B1/en not_active Not-in-force
- 2010-08-11 RU RU2012111121/04A patent/RU2547097C2/ru not_active IP Right Cessation
- 2010-08-11 WO PCT/EP2010/004891 patent/WO2011023291A2/en not_active Ceased
- 2010-08-11 ES ES10742100.0T patent/ES2536207T3/es active Active
- 2010-08-11 PT PT107421000T patent/PT2470579E/pt unknown
- 2010-08-11 IN IN1679DEN2012 patent/IN2012DN01679A/en unknown
- 2010-08-11 CA CA2771643A patent/CA2771643A1/en not_active Abandoned
- 2010-08-11 JP JP2012525902A patent/JP2013502500A/ja active Pending
- 2010-08-11 MX MX2012002236A patent/MX343404B/es active IP Right Grant
-
2012
- 2012-02-16 ZA ZA2012/01146A patent/ZA201201146B/en unknown
-
2013
- 2013-02-15 US US13/768,430 patent/US9434809B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| PT2470579E (pt) | 2015-06-02 |
| EP2470579A2 (en) | 2012-07-04 |
| MX343404B (es) | 2016-11-03 |
| CA2771643A1 (en) | 2011-03-03 |
| MX2012002236A (es) | 2012-03-07 |
| US9434809B2 (en) | 2016-09-06 |
| RU2012111121A (ru) | 2013-10-10 |
| BR112012004107A2 (pt) | 2016-03-15 |
| RU2547097C2 (ru) | 2015-04-10 |
| CN101993520A (zh) | 2011-03-30 |
| US20130165544A1 (en) | 2013-06-27 |
| EP2470579B1 (en) | 2015-02-25 |
| IN2012DN01679A (enExample) | 2015-06-05 |
| CN101993520B (zh) | 2014-02-19 |
| JP2013502500A (ja) | 2013-01-24 |
| WO2011023291A3 (en) | 2011-04-21 |
| ZA201201146B (en) | 2013-05-29 |
| WO2011023291A2 (en) | 2011-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6619555B2 (ja) | 粘弾性発泡体 | |
| ES2536207T3 (es) | Prepolímero terminado en isocianato, procedimiento de preparación y uso del mismo | |
| CN103221445B (zh) | 制造低密度高弹性软质聚氨酯泡沫的方法 | |
| JP5235875B2 (ja) | 新規なテニスボール | |
| JP6703945B2 (ja) | Ｐｉｐａポリオール系の従来の軟質発泡体 | |
| KR100813364B1 (ko) | 폴리이소시아네이트 조성물 및 그 폴리이소시아네이트조성물로부터 저습윤 노화 압축 영구 변형된 저밀도 연질포옴을 제조하는 방법 | |
| WO2011163113A1 (en) | High air flow polyurethane viscoelastic foam | |
| CN101768250A (zh) | 一种高阻燃聚氨酯组合物及其制备方法 | |
| US20060084710A1 (en) | Flexible foams with low bulk densities and compressive strengths | |
| TW200407345A (en) | Prepolymer, polyol composition and process for making a flexible foam | |
| CN103906801B (zh) | 用可水解的硅烷化合物制备软质聚氨酯泡沫的方法 | |
| JP2022532665A (ja) | 引裂きの強い低密度ポリウレタンフォームシステム | |
| TWI291967B (en) | Process for preparing a moulded polyurethane material | |
| US8093309B2 (en) | Light colored foam for use in marine applications | |
| CA3143005A1 (en) | Process for making a flexible polyurethane foam having a hardness gradient | |
| JP2016033213A (ja) | 軟質ポリウレタンフォーム用ポリイソシアネート組成物 | |
| JP2016060896A (ja) | 高耐久軟質ポリウレタンフォーム成型用組成物 | |
| WO2009101027A1 (en) | Elastomeric materials having a high hardblock content and process for preparing them | |
| CN118546332A (zh) | 软质聚氨酯泡沫成形用多元醇组合物以及软质聚氨酯泡沫 |