PL3941955T3 - Składnik poliolowy i jego zastosowanie do wytwarzania sztywnych pianek poliuretanowych - Google Patents

Składnik poliolowy i jego zastosowanie do wytwarzania sztywnych pianek poliuretanowych

Info

Publication number
PL3941955T3
PL3941955T3 PL20712944.6T PL20712944T PL3941955T3 PL 3941955 T3 PL3941955 T3 PL 3941955T3 PL 20712944 T PL20712944 T PL 20712944T PL 3941955 T3 PL3941955 T3 PL 3941955T3
Authority
PL
Poland
Prior art keywords
polyol component
polyurethane foams
rigid polyurethane
producing rigid
producing
Prior art date
Application number
PL20712944.6T
Other languages
English (en)
Inventor
Hendrik Wagner
Man Fu ZHONG
Sirus Zarbakhsh
Original Assignee
Basf Se
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=69903179&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL3941955(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Basf Se filed Critical Basf Se
Publication of PL3941955T3 publication Critical patent/PL3941955T3/pl

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/14Manufacture of cellular products
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4804Two or more polyethers of different physical or chemical nature
    • C08G18/482Mixtures of polyethers containing at least one polyether containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/16Catalysts
    • C08G18/18Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1816Catalysts containing secondary or tertiary amines or salts thereof having carbocyclic groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/16Catalysts
    • C08G18/18Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1833Catalysts containing secondary or tertiary amines or salts thereof having ether, acetal, or orthoester groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/16Catalysts
    • C08G18/18Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/20Heterocyclic amines; Salts thereof
    • C08G18/2009Heterocyclic amines; Salts thereof containing one heterocyclic ring
    • C08G18/2036Heterocyclic amines; Salts thereof containing one heterocyclic ring having at least three nitrogen atoms in the ring
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4829Polyethers containing at least three hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4833Polyethers containing oxyethylene units
    • C08G18/4837Polyethers containing oxyethylene units and other oxyalkylene units
    • C08G18/4841Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4833Polyethers containing oxyethylene units
    • C08G18/4837Polyethers containing oxyethylene units and other oxyalkylene units
    • C08G18/485Polyethers containing oxyethylene units and other oxyalkylene units containing mixed oxyethylene-oxypropylene or oxyethylene-higher oxyalkylene end groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/50Polyethers having heteroatoms other than oxygen
    • C08G18/5021Polyethers having heteroatoms other than oxygen having nitrogen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00Manufacture of cellular products
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0025Foam properties rigid
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0041Foam properties having specified density
    • C08G2110/005< 50kg/m3
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/14Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00Foams characterised by their properties
    • C08J2205/10Rigid foams
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes
    • C08J2375/08Polyurethanes from polyethers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/141Hydrocarbons

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)
  • Manufacturing & Machinery (AREA)
  • Polyurethanes Or Polyureas (AREA)
PL20712944.6T 2019-03-19 2020-03-19 Składnik poliolowy i jego zastosowanie do wytwarzania sztywnych pianek poliuretanowych PL3941955T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IB2019052212 2019-03-19
PCT/EP2020/057638 WO2020188039A1 (en) 2019-03-19 2020-03-19 Polyol component and use thereof for producing rigid polyurethane foams

Publications (1)

Publication Number Publication Date
PL3941955T3 true PL3941955T3 (pl) 2024-04-29

Family

ID=69903179

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20712944.6T PL3941955T3 (pl) 2019-03-19 2020-03-19 Składnik poliolowy i jego zastosowanie do wytwarzania sztywnych pianek poliuretanowych

Country Status (9)

Country Link
US (1) US11981768B2 (pl)
EP (1) EP3941955B1 (pl)
KR (1) KR102942961B1 (pl)
CN (1) CN113614139B (pl)
ES (1) ES2973300T3 (pl)
HU (1) HUE066191T2 (pl)
MX (1) MX2021011315A (pl)
PL (1) PL3941955T3 (pl)
WO (1) WO2020188039A1 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113461892A (zh) * 2020-03-30 2021-10-01 青岛海尔电冰箱有限公司 发泡料、保温箱体及其制备方法
CN116253853B (zh) * 2023-01-02 2024-06-04 黎明化工研究设计院有限责任公司 一种高粘接快脱模聚氨酯组合物及制备聚氨酯制品的方法和应用
KR20240143386A (ko) * 2023-03-24 2024-10-02 주식회사 한솔케미칼 긴 가사시간 및 우수한 열전도성을 갖는 우레탄계 방열 접착제 조성물

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946969B2 (ja) 1980-07-07 1984-11-16 株式会社日立製作所 硬質ポリウレタンフォ−ムの製造方法
TW293827B (pl) * 1992-04-20 1996-12-21 Takeda Pharm Industry Co Ltd
DE10145458B4 (de) * 2001-09-14 2014-03-20 Basf Se Verfahren zur Herstellung von Urethan- und überwiegend Isocyanuratgruppen aufweisenden Polyurethanhartschaumstoffen
US6846850B2 (en) 2003-01-22 2005-01-25 Bayer Materialscience Llc Rigid polyurethane foams with improved properties
DE102004017294A1 (de) * 2004-04-05 2005-10-20 Basf Ag Verfahren zur Herstellung von Polyurethan-Schaumstoffen
DE102004062540A1 (de) 2004-12-24 2006-07-06 Bayer Materialscience Ag Polyurethan-Hartschaumstoffe, ein Verfahren zu ihrer Herstellung sowie ihre Verwendung
DE102005017363A1 (de) 2005-04-14 2006-10-19 Basf Ag Verfahren zur Herstellung von Polyurethan- und Polyisocyanurat-Hartschaumstoffen
US20070293594A1 (en) 2006-06-15 2007-12-20 Ladislau Heisler Viscoelastic polyurethane foam and process for its manufacture
WO2008105843A1 (en) 2007-02-26 2008-09-04 Bayer Materialscience Llc Polyvinylchloride/polyurethane hybrid foams with improved burn properties
JP2009057482A (ja) 2007-08-31 2009-03-19 Sumika Bayer Urethane Kk 硬質ポリウレタンフォームの製造方法
JP5837517B2 (ja) 2010-03-02 2015-12-24 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se ポリエーテルアルコールの製造方法
US9062158B2 (en) 2010-12-02 2015-06-23 Basf Se Polyester polyols based on aromatic dicarboxylic acids
US20120214891A1 (en) 2011-02-23 2012-08-23 Basf Se Polyester polyols based on aromatic dicarboxylic acids
CN104093759B (zh) 2012-02-08 2016-09-21 科思创德国股份有限公司 聚氨酯-聚异氰脲酸酯-硬质泡沫材料的制备方法
CN104254402B (zh) 2012-04-30 2017-05-31 科思创德国股份有限公司 生产发泡成型体的方法
WO2014005863A2 (de) 2012-07-04 2014-01-09 Basf Se Herstellung von schaumstoffen mit verbesserten eigenschaften
US20140010981A1 (en) 2012-07-04 2014-01-09 Basf Se Producing foams having improved properties
JP6537976B2 (ja) * 2013-12-24 2019-07-03 三洋化成工業株式会社 半硬質ポリウレタンフォーム形成用組成物
JP6746602B2 (ja) * 2015-03-17 2020-08-26 ダウ グローバル テクノロジーズ エルエルシー 硬質ポリウレタン発泡体のためのイソシアネート反応性配合物
US11505670B2 (en) 2016-11-17 2022-11-22 Covestro Llc Polyurethane foams co-blown with a mixture of a hydrocarbon and a halogenated olefin
US20190284363A1 (en) * 2016-11-29 2019-09-19 Covestro Deutschland Ag Polyurethane rigid foam, method for producing same, and use thereof
EP3601397B1 (de) 2017-03-27 2021-03-03 Basf Se Polyolkomponenten und ihre verwendung zur herstellung von polyurethan-hartschaumstoffen

Also Published As

Publication number Publication date
CN113614139A (zh) 2021-11-05
ES2973300T3 (es) 2024-06-19
KR102942961B1 (ko) 2026-03-24
MX2021011315A (es) 2021-10-13
US20220162372A1 (en) 2022-05-26
EP3941955A1 (en) 2022-01-26
CN113614139B (zh) 2023-12-15
HUE066191T2 (hu) 2024-07-28
EP3941955B1 (en) 2023-12-13
WO2020188039A1 (en) 2020-09-24
US11981768B2 (en) 2024-05-14
KR20210142151A (ko) 2021-11-24

Similar Documents

Publication Publication Date Title
ZA201906983B (en) Polyol components and use thereof for the production of rigid polyurethane foams
PL3994201T3 (pl) Samospieniająca pianka poliuretanowa niezawierająca izocyjanianów
PL3774968T3 (pl) Kompozycje do tworzenia pianki poliuretanowej
HUE062620T2 (hu) Poliol komponens és alkalmazása poliuretán keményhabok elõállítására
EP3176197A4 (en) Polyisocyanate composition for producing flexible polyurethane foam, and flexible polyurethane foam production method using same
PL3592791T3 (pl) Pianka poliuretanowa i sposób jej wytwarzania
PL3475351T3 (pl) Kompozycja odpowiednia do wytwarzania poliuretanowych lub poliizocyjanurowych sztywnych tworzyw piankowych
EP3222648A4 (en) Polyether polyol, method for producing polyether polyol, polyester elastomer and polyurethane
PL3841140T3 (pl) Lepkosprężyste pianki poliuretanowe
PL3713980T3 (pl) Elastyczne pianki poliuretanowe
SG11201708476YA (en) Soft polyurethane foam using hydrocarbon polyol, and cosmetic comprising same
PL4004079T3 (pl) Wytwarzanie pianek poliuretanowych
PL3368584T3 (pl) Polieteroestry i ich zastosowanie do wytwarzania sztywnych poliuretanowych tworzyw piankowych
HUE066191T2 (hu) Poliol komponens és annak alkalmazása merev poliuretánhabok elõállítására
PL3762442T3 (pl) Pianki poliuretanowe na bazie polioli polieterowęglanowych
PL3630859T3 (pl) Pianki poliuretanowe na bazie polioli polieterowęglanowych
EP3894454A4 (en) RIGID POLYISOCYANURATE AND POLYURETHANE FOAMS AND METHODS FOR THE PREPARATION THEREOF
PL3856815T3 (pl) Składnik poliolowy i jego zastosowanie do wytwarzania sztywnych poliuretanowych tworzyw piankowych
HUE068210T2 (hu) Eljárás poliuretán keményhab elõállítására
PL4263672T3 (pl) Samospieniające pianki poliuretanowe bez izocyjanianu
PL3728365T3 (pl) Pianki poliuretanowe do zastosowań komfortowych
PT3655453T (pt) Espuma de poliuretano e método para fazer a espuma
GB2587617B (en) Polyurethane and polyisocyanurate foam and method of manufacture thereof
PL3426708T3 (pl) Pianki poliuretanowe i poliizocyjanuranowe oraz sposoby ich wytwarzania
HUE072528T2 (hu) Szilikonmentes habstabilizátorok poliuretán habok elõállításához