MXPA00005904A - Poliol polimerico y sistemas estabilizadores. - Google Patents

Poliol polimerico y sistemas estabilizadores.

Info

Publication number
MXPA00005904A
MXPA00005904A MXPA00005904A MXPA00005904A MXPA00005904A MX PA00005904 A MXPA00005904 A MX PA00005904A MX PA00005904 A MXPA00005904 A MX PA00005904A MX PA00005904 A MXPA00005904 A MX PA00005904A MX PA00005904 A MXPA00005904 A MX PA00005904A
Authority
MX
Mexico
Prior art keywords
polyols
stabilizers
unsaturation
polymer polyol
prepared
Prior art date
Application number
MXPA00005904A
Other languages
English (en)
Spanish (es)
Inventor
B Holeschovsky Ulrich
Original Assignee
Bayer Ag
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
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of MXPA00005904A publication Critical patent/MXPA00005904A/es

Links

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
    • C08G18/81—Unsaturated isocyanates or isothiocyanates
    • C08G18/8108—Unsaturated isocyanates or isothiocyanates having only one isocyanate or isothiocyanate group
    • C08G18/8116—Unsaturated isocyanates or isothiocyanates having only one isocyanate or isothiocyanate group esters of acrylic or alkylacrylic acid having only one isocyanate or isothiocyanate group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4866—Polyethers having a low unsaturation value
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/635—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto unsaturated polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02—Polyalkylene oxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • C08L2666/04—Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Graft Or Block Polymers (AREA)
  • Polymerisation Methods In General (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Polyethers (AREA)
MXPA00005904A 1997-12-16 1998-11-16 Poliol polimerico y sistemas estabilizadores. MXPA00005904A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/991,561 US6013731A (en) 1997-12-16 1997-12-16 Stabilizer based on high molecular weight polyols having low monol content for polymer polyol production
PCT/EP1998/007308 WO1999031160A1 (en) 1997-12-16 1998-11-16 Polymer polyol and stabilizer systems

Publications (1)

Publication Number Publication Date
MXPA00005904A true MXPA00005904A (es) 2002-07-02

Family

ID=25537327

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA00005904A MXPA00005904A (es) 1997-12-16 1998-11-16 Poliol polimerico y sistemas estabilizadores.

Country Status (14)

Country Link
US (1) US6013731A (https=)
EP (1) EP2139938B1 (https=)
JP (1) JP4615714B2 (https=)
KR (1) KR100550881B1 (https=)
CN (1) CN1120193C (https=)
AU (1) AU1235399A (https=)
BR (1) BR9813688A (https=)
CA (1) CA2314324C (https=)
ES (1) ES2377714T3 (https=)
HU (1) HUP0100721A3 (https=)
ID (1) ID27080A (https=)
MX (1) MXPA00005904A (https=)
TW (1) TW506975B (https=)
WO (1) WO1999031160A1 (https=)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6756414B2 (en) 1999-07-30 2004-06-29 Sanyo Chemical Industries, Ltd. Polymer polyol composition, process for producing the same, and process for producing polyurethane resin
US6624209B2 (en) 1999-07-30 2003-09-23 Sanyo Chemical Industries, Ltd. Polymer polyol composition, process for producing the same, and process for producing polyurethane resin
DE10136445A1 (de) * 2001-07-26 2003-02-06 Bayer Ag Verfahren zur Herstellung von Pfropfpolymerisaten
MXPA04008161A (es) * 2002-03-15 2005-05-17 Basf Ag Polioles de injerto con una distribucion de tamano de particula bimodal y metodo para producir polioles de injerto de este tipo, ademas del uso de los mismos para producir poliuretanos.
US6806348B2 (en) * 2003-02-11 2004-10-19 Basf Corporation Process for removing and regenerating a double metal cyanide (DMC) catalyst from a polymer polyol
US6713599B1 (en) 2003-03-31 2004-03-30 Basf Corporation Formation of polymer polyols with a narrow polydispersity using double metal cyanide (DMC) catalysts
US20050085613A1 (en) * 2003-10-16 2005-04-21 Adkins Rick L. Novel unsaturated macromers for preformed stabilizers and polymer polyols
US8470927B2 (en) 2004-02-26 2013-06-25 Bayer Materialscience Llc Process for production of polymer polyols
US7160975B2 (en) * 2004-08-02 2007-01-09 Bayer Materialscience Llc Methacrylates as stabilizers for polymer polyols
US7179882B2 (en) * 2004-08-02 2007-02-20 Bayer Materialscience Llc Low viscosity polymer polyols
US20070060690A1 (en) 2005-09-09 2007-03-15 Bayer Materialscience Llc Low viscosity polymer polyols characterized by a high hydroxyl number
ES2335322T5 (es) * 2006-09-15 2014-03-06 Basf Se Procedimiento para la obtención de espumas rígidas de poliuretano
US7776969B2 (en) 2006-12-04 2010-08-17 Bayer Materialscience Llc Allophanate-modified stabilizers and the polymer polyols prepared from these stabilizers
KR100839061B1 (ko) * 2006-12-15 2008-06-19 금호석유화학 주식회사 무수말레인산을 이용한 폴리머 폴리올을 위한 제조용 안정제
BRPI0817704A2 (pt) * 2007-10-02 2015-03-31 Basf Se Processo para a produção de um corpo moldado de poliuretano, corpo moldado de poliuretano, e, sola de sapato.
US9109077B2 (en) * 2007-11-14 2015-08-18 Basf Se Foamed polyurethanes having improved flexing endurance properties
US20090163613A1 (en) 2007-12-20 2009-06-25 Guelcher Scott A Polymer polyols with improved properties and a process for their production
ES2385289T3 (es) * 2008-06-19 2012-07-20 Dow Global Technologies Llc Procedimiento de dispersión de fusión para fabricar polioles poliméricos
US10239985B2 (en) 2008-12-23 2019-03-26 Covestro Llc Polymer polyols comprising a natural oil base polyol, polyurethane foams comprising these polymer polyols and processes for their preparation
EP2408841B1 (de) 2009-03-17 2014-11-19 Basf Se POLYURETHANFORMKÖRPER MIT VERBESSERTER WEITERREIßFESTIGKEIT UND VERBESSERTEM DAUERBIEGEVERHALTEN
CN102471445B (zh) 2009-07-20 2014-05-28 巴斯夫欧洲公司 制备粘弹性聚氨酯软质泡沫材料的方法
JP4798309B2 (ja) * 2009-10-05 2011-10-19 旭硝子株式会社 ポリマー分散ポリオールおよび軟質ポリウレタンフォームの製造方法
ES2544886T3 (es) 2009-12-11 2015-09-04 Basf Se Cuerpos moldeados de espuma de poliuretano con estabilidad dimensional
CN102958977A (zh) 2010-04-30 2013-03-06 巴斯夫欧洲公司 聚醚多元醇、制备聚醚多元醇的方法及其用于生产聚氨酯的用途
US9115246B2 (en) 2010-04-30 2015-08-25 Basf Se Polyether polyols, process for preparing polyether polyols and their use for producing polyurethanes
DE102011078170A1 (de) 2010-06-29 2011-12-29 Basf Se Verfahren zur Herstellung von Makromeren
WO2012098145A1 (de) 2011-01-21 2012-07-26 Basf Se Mikrozelluläre schäume mit verbesserten mechanischen eigenschaften
KR20140005266A (ko) 2011-02-25 2014-01-14 아사히 가라스 가부시키가이샤 고농도 폴리머폴리올 및 그 제조 방법
BR112014003673A2 (pt) 2011-08-17 2017-03-01 Basf Se espuma de poliuretano, processo para produzir espumas de poliuretano rígidas, álcool de poliéster, e, processo para preparar álcoois de poliéster
RU2014110882A (ru) 2011-08-23 2015-09-27 Басф Се Способ получения полиуретанов
EP2565214A1 (de) 2011-09-02 2013-03-06 Basf Se Dispersion aus einer flüssigen und einer festen Phase
US8946313B2 (en) 2011-12-16 2015-02-03 Bayer Materialscience Llc Hybrid PHD/PMPO polyols for polyurethane foam applications
US8835565B2 (en) 2012-04-18 2014-09-16 Bayer Materialscience Llc Preformed stabilizers useful for the production of polymer polyols and polymer polyols produced therefrom
ES2853573T3 (es) * 2012-10-05 2021-09-16 Dow Global Technologies Llc Macrómero y procedimiento para hacer polioles poliméricos
US9163099B2 (en) 2013-03-08 2015-10-20 Bayer Materialscience Llc Polybutadiene modified polymer polyols, foams prepared from polybutadiene modified polymer polyols, and processes for the production thereof
CN104045791A (zh) * 2013-03-11 2014-09-17 中国石油化工集团公司 聚合物多元醇的制备方法
US8987396B2 (en) 2013-03-15 2015-03-24 Bayer Materialscience Llc Active polymer polyols and a process for their production
EP2894180A1 (en) 2014-01-08 2015-07-15 Bayer MaterialScience AG Polymer Polyols comprising a Polyether Carbonate Polyol as the Base Polyol
HUE050534T2 (hu) * 2014-04-30 2020-12-28 Basf Se Eljárás polimer poliol elõállítására
CN106255711A (zh) * 2014-04-30 2016-12-21 巴斯夫欧洲公司 用于聚合物多元醇制备方法的稳定剂
MX378868B (es) * 2014-11-27 2025-03-11 Basf Se Sintesis de polioles polimericos en polioles insaturados, polioles polimericos y su uso.
US11286330B2 (en) * 2016-09-08 2022-03-29 Basf Se Macromer for use in polymer polyol dispersions, and method for producing such a macromer
US10040903B2 (en) 2016-09-13 2018-08-07 Covestro Llc Polymer polyol quality
US10767008B2 (en) 2017-01-16 2020-09-08 Covestro Llc Polymer polyols comprising amine based polyether polyols and a process for preparing these polymer polyols
WO2018166870A1 (de) 2017-03-16 2018-09-20 Basf Se Verfahren zur herstellung von polyurethan-stiefeln
US10479862B2 (en) 2017-12-07 2019-11-19 Covestro Llc Amine based polymer polyol stabilizers
US10526484B2 (en) 2017-12-20 2020-01-07 Covestro Llc Dithiocarbonate containing polyols as polymer polyol stabilizers
US10851239B2 (en) 2018-11-07 2020-12-01 Covestro Llc Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams
CN109734848A (zh) * 2018-12-26 2019-05-10 万华化学集团股份有限公司 一种聚合物多元醇及其制备方法
CN109810086B (zh) * 2018-12-26 2021-02-02 万华化学集团股份有限公司 一种具有不饱和基团的异氰酸酯及其制备方法和应用
JP2022520036A (ja) 2019-02-07 2022-03-28 ダウ グローバル テクノロジーズ エルエルシー モノマー回収プロセス
WO2020163154A1 (en) 2019-02-07 2020-08-13 Dow Global Technologies Llc Process for preparing a copolymer polyol
US10781310B2 (en) 2019-02-08 2020-09-22 Covestro Llc Polymer polyol stabilizers
US11407874B2 (en) 2019-10-07 2022-08-09 Covestro Llc Polyol premixes, thermally insulating rigid polyurethane foams and methods for their production
US11421063B2 (en) 2019-10-10 2022-08-23 Covestro Llc Preformed stabilizers with improved stability
CN111234123B (zh) * 2020-03-12 2022-11-04 无棣德信化工有限公司 一种聚酯聚合物多元醇及其制备方法和用途
EP4129463A4 (en) 2020-04-03 2023-11-15 Wanhua Chemical Group Co., Ltd. REACTION SYSTEM FOR PRODUCING POLYMER POLYOL AND METHOD FOR PRODUCING POLYMER POLYOL
EP4185628A1 (en) 2020-07-24 2023-05-31 Basf Se Multilayered structure and a process for preparing the same
CN114479050B (zh) * 2020-10-23 2023-08-04 中国石油化工股份有限公司 一种稳定剂前体及其制备方法和应用
US11866543B2 (en) 2021-05-06 2024-01-09 Covestro Llc Glycidyl (meth)acrylate polymer polyol stabilizers
EP4705370A1 (en) 2023-05-02 2026-03-11 Basf Se Low density polyurethane foam moldings with smooth skin

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US33291A (en) * 1861-09-17 Heney a
US4390645A (en) * 1979-11-23 1983-06-28 The Dow Chemical Company Stable dispersions of polymers in polyfunctional compounds having a plurality of active hydrogens and polyurethanes therefrom
USRE33291E (en) 1982-04-01 1990-08-07 Basf Corporation Process for the preparation of white graft polymer dispersions and flame-retardant polyurethane foams
US4687851A (en) * 1985-08-15 1987-08-18 The Dow Chemical Company Polyurethane elastomers prepared from high equivalent weight polyahls
IN167010B (https=) * 1985-12-23 1990-08-18 Kellogg M W Co
US4997857A (en) * 1986-09-30 1991-03-05 Arco Chemical Technology, Inc. Stabilizers for polymer/polyols
US4954560A (en) * 1989-06-30 1990-09-04 Union Carbide Chemicals And Plastics Company Inc. Stable polymer/polyols made without macromonomer
US4954561A (en) * 1989-06-30 1990-09-04 Union Carbide Chemicals And Plastics Company Inc. Stabilizers for polymer/polyols
US5093412A (en) * 1989-08-23 1992-03-03 Basf Corporation Macromers for graft polyols and the polyols prepared therefrom
US5196476A (en) * 1990-06-12 1993-03-23 Arco Chemical Technology, L.P. Polymer/polyol and preformed stabilizer systems
US5494957A (en) * 1991-04-22 1996-02-27 The Dow Chemical Company Stabilizers for preparing polymer polyols, and process for preparing polymer polyols
US5470813A (en) * 1993-11-23 1995-11-28 Arco Chemical Technology, L.P. Double metal cyanide complex catalysts
DE4431226A1 (de) * 1994-09-02 1996-03-07 Bayer Ag Niedrigviskose, stabile agglomeratfreie Polymerpolyole, ein Verfahren zu ihrer Herstellung und ihre Verwendung zur Herstellung von Polyurethankunststoffen
EP0768324B1 (en) * 1995-10-10 2000-08-16 Bayer Ag Continuous process for the preparation of highly stable, finely divided, low viscosity polymer polyols of small average particle size

Also Published As

Publication number Publication date
EP2139938A1 (en) 2010-01-06
BR9813688A (pt) 2000-10-10
KR20010033152A (ko) 2001-04-25
JP2002508417A (ja) 2002-03-19
JP4615714B2 (ja) 2011-01-19
CA2314324A1 (en) 1999-06-24
WO1999031160A1 (en) 1999-06-24
US6013731A (en) 2000-01-11
HUP0100721A3 (en) 2002-10-28
EP2139938B1 (en) 2011-12-21
ES2377714T3 (es) 2012-03-30
HK1034724A1 (en) 2001-11-02
TW506975B (en) 2002-10-21
HUP0100721A2 (hu) 2001-06-28
ID27080A (id) 2001-02-22
CA2314324C (en) 2009-03-24
AU1235399A (en) 1999-07-05
KR100550881B1 (ko) 2006-02-10
CN1120193C (zh) 2003-09-03
CN1286708A (zh) 2001-03-07

Similar Documents

Publication Publication Date Title
MXPA00005904A (es) Poliol polimerico y sistemas estabilizadores.
AU635278B2 (en) Flexible polyurethane foams prepared using low unsaturation polyether polyols and a process for preparing the same
AU4439799A (en) Hydroxy-terminated polyhydroxyalkanoates
CA2241627A1 (en) Poly(oxypropylene/oxyethylene) random polyols useful in preparing flexible high resilience foam with reduced tendencies toward shrinkage and foam prepared therewith
CA2044108A1 (en) Polymer/polyol and preformed stabilizer systems
TW358111B (en) Composite rubber particles and graft copolymer particles of composite rubber
SG46659A1 (en) Phosphazene polyelectrolytes as immunoadjuvants
GB0116341D0 (en) Biodegradable polymer systems
MX9804254A (es) Espuma de poliuretano moldeada con propiedades fisicas mejoradas.
WO1993008221A3 (en) Elastic substantially linear olefin polymers
GR3015761T3 (en) Chain extended low molecular weight polyoxiranes for electrostatic applications.
DE60012497D1 (en) Thermoplastische formmassen und polymeradditive
TW368508B (en) Rigid thermoplastic polyurethane comprising units of butane diol and a polyethylene glycol
CA2380301A1 (en) Use of low unsaturated polyether polyols in slabstock foam applications
AU6478899A (en) Compounded unsaturated polyester resin compositions with a reduced monomer content
GR3018678T3 (en) Composition comprising a polymer consisting of units derived from an unsaturated hydrocarbon monomer, a starchy material and a compatibilizing agent.
MY110837A (en) Process for making flexible foams
AU2001271059A1 (en) Biodegradable articles obtained from enzymatically synthesized amylose
EP0785236A3 (en) Improved curable silicone compositions which are foams or elastomers
WO2003025062A1 (en) Polymeric hydrogel
EP0367464A3 (en) Production of polyester polymers and aqueous dispersions thereof
PL349791A1 (en) Foamable composition using high density polyethylene
WO2001098410A3 (en) BLENDS OF POLY[α-METHYLENELACT(ONE)(AM)] HOMO- AND COPOLYMERS
MY120974A (en) Heteromorphic polymer compositions
HU910053D0 (en) Epoxi-modified polyol dispersals for polymeric polyols with high styrole and high solid content

Legal Events

Date Code Title Description
FG Grant or registration