GB1422884A - Process for linearising cross-linked polymers with polyisocyanates - Google Patents

Process for linearising cross-linked polymers with polyisocyanates

Info

Publication number
GB1422884A
GB1422884A GB3695873A GB3695873A GB1422884A GB 1422884 A GB1422884 A GB 1422884A GB 3695873 A GB3695873 A GB 3695873A GB 3695873 A GB3695873 A GB 3695873A GB 1422884 A GB1422884 A GB 1422884A
Authority
GB
United Kingdom
Prior art keywords
polyurethane
linearized
groups
cross
macropolyisocyanates
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
GB3695873A
Other languages
English (en)
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 GB1422884A publication Critical patent/GB1422884A/en
Expired legal-status Critical Current

Links

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
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/28—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus
    • 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
    • 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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB3695873A 1972-08-05 1973-08-03 Process for linearising cross-linked polymers with polyisocyanates Expired GB1422884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2238741A DE2238741A1 (de) 1972-08-05 1972-08-05 Verfahren zur linearisierung vernetzter isocyanat-polyadditionsprodukte mit polyisocyanaten

Publications (1)

Publication Number Publication Date
GB1422884A true GB1422884A (en) 1976-01-28

Family

ID=5852848

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3695873A Expired GB1422884A (en) 1972-08-05 1973-08-03 Process for linearising cross-linked polymers with polyisocyanates

Country Status (11)

Country Link
JP (1) JPS4953693A (fr)
BE (1) BE803215A (fr)
CA (1) CA1023498A (fr)
DE (1) DE2238741A1 (fr)
ES (1) ES417586A1 (fr)
FR (1) FR2194738B1 (fr)
GB (1) GB1422884A (fr)
IE (1) IE37971B1 (fr)
IT (1) IT990129B (fr)
LU (1) LU68145A1 (fr)
NL (1) NL7310718A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8846775B2 (en) 2007-07-11 2014-09-30 Bayer Materialscience Ag Processes for producing polyurethane foams containing alkoxysilane functional polymers and uses therefor
WO2020225310A1 (fr) * 2019-05-06 2020-11-12 Basf Coatings Gmbh Composition de revêtement à base de silane

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10211311A1 (de) * 2002-03-14 2003-08-07 Wacker Chemie Gmbh Verfahren zur Herstellung von N-[Triorganylsilylmethyl]-substituierten 1,2-Diaminoethanen
DE10237271A1 (de) * 2002-08-14 2004-03-04 Consortium für elektrochemische Industrie GmbH Polymermassen auf Basis alkoxysilanterminierter Polymere mit regulierbarer Härtungsgeschwindigkeit
DE10352907A1 (de) 2002-11-15 2004-08-05 Henkel Kgaa Silylgruppen enthaltende Präpolymere, deren Herstellung und Verwendung in Montageschäumen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE962649C (de) * 1955-03-17 1957-04-25 Rudolph Koepp & Co Chem Fab A Verfahren zur Herstellung von Schaumstoffen unter Verwendung von Polyurethanschaumabfaellen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8846775B2 (en) 2007-07-11 2014-09-30 Bayer Materialscience Ag Processes for producing polyurethane foams containing alkoxysilane functional polymers and uses therefor
WO2020225310A1 (fr) * 2019-05-06 2020-11-12 Basf Coatings Gmbh Composition de revêtement à base de silane
CN113795558A (zh) * 2019-05-06 2021-12-14 巴斯夫涂料有限公司 硅烷基涂料组合物
CN113795558B (zh) * 2019-05-06 2023-06-02 巴斯夫涂料有限公司 硅烷基涂料组合物

Also Published As

Publication number Publication date
IE37971B1 (en) 1977-11-23
ES417586A1 (es) 1976-03-16
LU68145A1 (fr) 1973-10-16
NL7310718A (fr) 1974-02-07
BE803215A (fr) 1974-02-04
FR2194738B1 (fr) 1979-04-20
FR2194738A1 (fr) 1974-03-01
CA1023498A (en) 1977-12-27
IE37971L (en) 1974-02-05
DE2238741A1 (de) 1974-02-07
JPS4953693A (fr) 1974-05-24
IT990129B (it) 1975-06-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee