GB1288688A - - Google Patents

Info

Publication number
GB1288688A
GB1288688A GB1288688DA GB1288688A GB 1288688 A GB1288688 A GB 1288688A GB 1288688D A GB1288688D A GB 1288688DA GB 1288688 A GB1288688 A GB 1288688A
Authority
GB
United Kingdom
Prior art keywords
polyisocyanate
allophanate
reacting
dissolved
monomeric
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
Application number
Other languages
English (en)
Inventor
E Windemuth
M Dahm
K H Rickert
D Maassen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
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 GB1288688A publication Critical patent/GB1288688A/en
Expired legal-status Critical Current

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
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • 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
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • 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
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/7806—Nitrogen containing -N-C=0 groups
    • C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • C08G18/7837—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing allophanate 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
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8054—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/38
    • C08G18/8058—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/38 with compounds of C08G18/3819
    • 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
    • C08G2110/0016—Foam properties semi-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
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/005—< 50kg/m3
    • 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
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0058—≥50 and <150kg/m3
    • 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)
  • Polyurethanes Or Polyureas (AREA)
GB1288688D 1970-01-17 1970-12-17 Expired GB1288688A (US20030199744A1-20031023-C00003.png)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2002064A DE2002064C2 (de) 1970-01-17 1970-01-17 Verfahren zur Herstellung von flammwidrigen elastischen oder halbelastischen Schaumstoffen
US10628371A 1971-01-13 1971-01-13
US00260342A US3832311A (en) 1970-01-17 1972-06-06 Flame-resistant polyurethane foams

Publications (1)

Publication Number Publication Date
GB1288688A true GB1288688A (US20030199744A1-20031023-C00003.png) 1972-09-13

Family

ID=27182355

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1288688D Expired GB1288688A (US20030199744A1-20031023-C00003.png) 1970-01-17 1970-12-17

Country Status (10)

Country Link
US (1) US3832311A (US20030199744A1-20031023-C00003.png)
AT (1) AT302665B (US20030199744A1-20031023-C00003.png)
BE (1) BE761626A (US20030199744A1-20031023-C00003.png)
CA (1) CA944094A (US20030199744A1-20031023-C00003.png)
CH (1) CH542896A (US20030199744A1-20031023-C00003.png)
DE (1) DE2002064C2 (US20030199744A1-20031023-C00003.png)
FR (1) FR2077199B1 (US20030199744A1-20031023-C00003.png)
GB (1) GB1288688A (US20030199744A1-20031023-C00003.png)
NL (1) NL168530C (US20030199744A1-20031023-C00003.png)
SE (1) SE377468B (US20030199744A1-20031023-C00003.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6773756B2 (en) 2002-03-20 2004-08-10 Bayer Polymers Llc Process to manufacture three dimensionally shaped substrate for sound abatement

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879316A (en) * 1968-03-13 1975-04-22 John Fishbein Polyurethane foams
US4043950A (en) * 1973-08-27 1977-08-23 Wilmsen Hans Process for the manufacture of plastic foams and flame-proofing foams characterized by the use of a carrier foam
US4071484A (en) * 1973-10-23 1978-01-31 Kohkoku Chemical Industry Co., Ltd. Process for preparing flexible flame retarding polyurethane foams
DE2513741C3 (de) * 1974-03-30 1980-05-14 Bridgestone Tire Co. Ltd., Tokio Verfahren zur Herstellung eines flammfesten rauchbeständigen Polyurethan-Weichschaumstoffs
JPS539637B2 (US20030199744A1-20031023-C00003.png) * 1974-08-06 1978-04-07
US4048102A (en) * 1975-04-21 1977-09-13 The Dow Chemical Company Process for preparing flexible polyurethane foams
DE2558523A1 (de) * 1975-12-24 1977-07-07 Bayer Ag Verfahren zur herstellung neuer polysiloxan-polyoxyalkylen-copolymerer
US4190711A (en) * 1977-09-29 1980-02-26 Union Carbide Corporation Thermoplastic polyether polyurethane elastomers
US4906674A (en) * 1987-10-16 1990-03-06 Ici Americas Inc/Imperial Chemical Industries Plc Polysocyanate compositions
DE3825147A1 (de) * 1988-07-23 1990-03-08 Bayer Ag Verfahren zur herstellung von polyurethanschaumstoffen
GB8908495D0 (en) * 1989-04-14 1989-06-01 Ici Plc Polyisocyanate compositions
DE4127514A1 (de) * 1991-08-20 1993-02-25 Bayer Ag Verfahren zur gewinnung von polyisocyanaten aus destillationsrueckstaenden der toluylendiisocyanatherstellung
FR2698868B1 (fr) * 1992-12-04 1995-02-24 Rhone Poulenc Chimie Mélange de polyisocyanates pour la préparation de mousses souples de polyuréthanne de haute élasticité.
DE19534162A1 (de) 1995-09-15 1997-03-20 Bayer Ag Bindemittelkombination zur Herstellung lösungsmittelfreier Beschichtungsmassen
US6005062A (en) 1998-07-02 1999-12-21 3M Innovative Properties Company Secondary aspartic acid amide esters
US6096823A (en) * 1998-10-14 2000-08-01 Bayer Corporation Moisture-curable compounds containing isocyanate and alkoxysilane groups
US7105628B2 (en) 2002-08-27 2006-09-12 Acushnet Company Compositions for golf equipment
US7098274B2 (en) 2002-08-27 2006-08-29 Acushnet Company Compositions for golf equipment
US7138477B2 (en) * 2002-08-27 2006-11-21 Acushnet Company Compositions for golf equipment
US7138476B2 (en) 2002-08-27 2006-11-21 Acushnet Company Compositions for golf equipment
US7157545B2 (en) * 2002-08-27 2007-01-02 Acushnet Company Compositions for golf equipment
US7115703B2 (en) 2002-08-27 2006-10-03 Acushnet Company Compositions for golf equipment
US7138475B2 (en) 2002-08-27 2006-11-21 Acushnet Company Compositions for golf equipment
US7378483B2 (en) * 2002-08-27 2008-05-27 Acushnet Company Compositions for golf equipment
US7105623B2 (en) 2002-08-27 2006-09-12 Acushnet Company Compositions for golf equipment
US7101951B2 (en) 2002-08-27 2006-09-05 Acushnet Company Compositions for golf equipment
DE10334274B3 (de) * 2003-07-25 2005-03-03 Carcoustics Tech Center Gmbh Schallisolierendes Verbundteil und Verfahren zu dessen Herstellung
ES2860724T3 (es) 2004-05-24 2021-10-05 Hontek Corp Recubrimientos resistentes a la abrasión
US7253242B2 (en) 2004-06-02 2007-08-07 Acushnet Company Compositions for golf equipment
US7276570B2 (en) 2004-06-02 2007-10-02 Acushnet Company Compositions for golf equipment
US7265195B2 (en) 2004-06-02 2007-09-04 Acushnet Company Compositions for golf equipment
US7253245B2 (en) 2004-06-02 2007-08-07 Acushnet Company Compositions for golf equipment
US7256249B2 (en) 2004-06-02 2007-08-14 Acushnet Company Compositions for golf equipment
US20060073321A1 (en) * 2004-10-01 2006-04-06 Kaushiva Bryan D Molded flexible polyurethane foams with reduced flammability and superior durability
US20080159870A1 (en) 2006-12-14 2008-07-03 Hontek Corporation Method and coating for protecting and repairing an airfoil surface using molded boots, sheet or tape
EP3305465B1 (en) 2005-12-14 2021-11-24 Hontek Corporation Method and coating for protecting and repairing an airfoil surface
KR101572276B1 (ko) 2007-07-23 2015-11-26 다우 글로벌 테크놀로지스 엘엘씨 사용 온도 범위에 걸쳐 실질적으로 일정한 ｇ-계수를 갖는 2 부분 폴리우레탄 경화성 조성물
DE102007046187A1 (de) 2007-09-26 2009-04-09 Bayer Materialscience Ag Dachmodul
EP2291425A1 (en) 2008-05-22 2011-03-09 Dow Global Technologies Inc. Thermoset polyurethanes comprising cis, trans-1, 3- and 1, 4-cyclohexanedimethylether groups
DE102008051882A1 (de) 2008-10-16 2010-04-29 Bayer Materialscience Ag Verfahren zur Herstellung von Polyetheresterpolyolen
US20110135832A1 (en) 2009-12-04 2011-06-09 Basf Coatings Ag Method and composition for refinish coatings
WO2012054547A1 (en) 2010-10-20 2012-04-26 Basf Coatings Gmbh Scratch-resistant refinish clearcoat
CN103370357A (zh) 2010-12-20 2013-10-23 拜耳知识产权有限责任公司 制备聚醚酯多元醇的方法
US20120163981A1 (en) 2010-12-22 2012-06-28 Hong Shek C Method and coating for protecting and repairing an airfoil surface
DE202012013176U1 (de) 2012-06-06 2015-04-01 !Obac Limited Magnetische Bodenfläche
DK2671853T3 (en) 2012-06-06 2015-03-23 3M Innovative Properties Co Magnetic floor surface
DE102012209598A1 (de) 2012-06-06 2013-12-12 Cht R. Beitlich Gmbh Textilhilfsmittel und damit veredeltes Textilprodukt
DE102012222045A1 (de) 2012-12-03 2014-06-05 Cht R. Beitlich Gmbh Beschichtung von Luminophoren
CN104725587B (zh) * 2013-12-18 2018-01-30 上海东大聚氨酯有限公司 一种聚氨酯保温层修复剂及其应用和使用方法
US20160312091A1 (en) 2013-12-23 2016-10-27 Dow Global Technologies Llc Adhesive Containing High Solid Copolymer Polyol Polyurethane Prepolymer
DE202014101620U1 (de) 2014-04-07 2014-04-29 Franken Systems Gmbh Gebinde mit 2-Komponenten Polyurea-Kunstharzen
DE102015108232A1 (de) 2015-05-26 2016-12-01 Franken Systems Gmbh Verfahren zur feuchtigkeitsbeständigen Grundierung von mineralischen Untergründen
DE102015110841A1 (de) 2015-07-06 2017-01-12 Franken Systems Gmbh Verwendung eines Reaktivsystems zur Bauwerksabdichtung und eine Bauwerksabdichtung
WO2018046335A1 (en) 2016-09-08 2018-03-15 Basf Coatings Gmbh Radiation-curable hyperbranched polymers with dicarboxylic acid cores
WO2018046334A1 (en) 2016-09-08 2018-03-15 Basf Coatings Gmbh Coatings with radiation-curable hyperbranched polymers
US10689541B2 (en) 2016-09-15 2020-06-23 Basf Coatings Gmbh Coatings with wax-modified hyperbranched and flexible hyperbranched polyols
US20190106592A1 (en) 2017-10-11 2019-04-11 Basf Coatings Gmbh Hyperbranched polymers for organic pigment dispersions and water-sensitive pigments
EP3788089A1 (en) 2018-04-30 2021-03-10 Evonik Operations GmbH Polyurea compositions from polyaspartic esters and secondary heterocyclic amines derived aspartic esters
EP3741788A1 (de) 2019-05-24 2020-11-25 Covestro Deutschland AG Verfahren zur herstellung von polyoxyalkylenpolyol-mischungen
EP3838963A1 (de) 2019-12-17 2021-06-23 Covestro Deutschland AG Verfahren zur herstellung von polyoxyalkylenpolyesterpolyolen
CN114929817B (zh) 2019-12-30 2024-01-05 巴斯夫涂料有限公司 含有支化聚酯多元醇作为增塑剂的涂料
JP2023539342A (ja) 2020-08-28 2023-09-13 ビーエーエスエフ コーティングス ゲゼルシャフト ミット ベシュレンクテル ハフツング 溶媒系２液型防食コーティング組成物
WO2022060685A1 (en) 2020-09-15 2022-03-24 Dow Global Technologies Llc Low odor polyurethane adhesives
US20220089901A1 (en) * 2020-09-24 2022-03-24 Covestro Llc Clear coating compositions having low solvent content
WO2022090358A1 (en) 2020-10-28 2022-05-05 Basf Se Production of a polyester polyol with low voc emission
WO2022096390A1 (de) 2020-11-06 2022-05-12 Covestro Deutschland Ag Verfahren zur herstellung eines polyol-gemisches
EP4388053A1 (en) 2021-08-17 2024-06-26 Evonik Operations GmbH Polyurea compositions from polyaspartic esters and 2-substituted butanedioic acid esters
CN118159578A (zh) 2021-10-07 2024-06-07 科思创德国股份有限公司 制备聚氧化烯聚酯多元醇的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB994890A (en) * 1961-12-18 1965-06-10 Ici Ltd New organic polyisocyanates and their manufacture
GB1124789A (en) * 1964-12-31 1968-08-21 Ici Ltd Improvements in or relating to polyurethanes
AT304874B (de) * 1969-06-20 1973-01-25 Bayer Ag Verfahren zur Herstellung von flammwidrigen, gegebenenfalls zellförmigen, Urethangruppen aufweisenden Kunststoffen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6773756B2 (en) 2002-03-20 2004-08-10 Bayer Polymers Llc Process to manufacture three dimensionally shaped substrate for sound abatement
US7285316B2 (en) 2002-03-20 2007-10-23 Bayer Materialscience Llc Process to manufacture three dimensionally shaped substrate for sound abatement

Also Published As

Publication number Publication date
NL7100592A (US20030199744A1-20031023-C00003.png) 1971-07-20
CA944094A (en) 1974-03-19
DE2002064C2 (de) 1983-09-01
AT302665B (de) 1972-10-25
NL168530B (nl) 1981-11-16
BE761626A (fr) 1971-06-16
NL168530C (nl) 1982-04-16
SE377468B (US20030199744A1-20031023-C00003.png) 1975-07-07
CH542896A (de) 1973-11-30
DE2002064A1 (de) 1971-07-22
FR2077199A1 (US20030199744A1-20031023-C00003.png) 1971-10-22
FR2077199B1 (US20030199744A1-20031023-C00003.png) 1977-01-21
US3832311A (en) 1974-08-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years