IT990129B - PROCEDURE FOR LINEARIZING POLYADDITION PRODUCTS OF ISO CYANATES CROSS LINKED WITH POLES ISOCYANATES - Google Patents

PROCEDURE FOR LINEARIZING POLYADDITION PRODUCTS OF ISO CYANATES CROSS LINKED WITH POLES ISOCYANATES

Info

Publication number
IT990129B
IT990129B IT5182173A IT5182173A IT990129B IT 990129 B IT990129 B IT 990129B IT 5182173 A IT5182173 A IT 5182173A IT 5182173 A IT5182173 A IT 5182173A IT 990129 B IT990129 B IT 990129B
Authority
IT
Italy
Prior art keywords
linearizing
isocyanates
poles
procedure
cross linked
Prior art date
Application number
IT5182173A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT990129B publication Critical patent/IT990129B/en

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
IT5182173A 1972-08-05 1973-08-03 PROCEDURE FOR LINEARIZING POLYADDITION PRODUCTS OF ISO CYANATES CROSS LINKED WITH POLES ISOCYANATES IT990129B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2238741A DE2238741A1 (en) 1972-08-05 1972-08-05 METHOD FOR LINEARIZATION OF CROSS-LINKED ISOCYANATE POLYADDITION PRODUCTS WITH POLYISOCYANATES

Publications (1)

Publication Number Publication Date
IT990129B true IT990129B (en) 1975-06-20

Family

ID=5852848

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5182173A IT990129B (en) 1972-08-05 1973-08-03 PROCEDURE FOR LINEARIZING POLYADDITION PRODUCTS OF ISO CYANATES CROSS LINKED WITH POLES ISOCYANATES

Country Status (11)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10211311A1 (en) * 2002-03-14 2003-08-07 Wacker Chemie Gmbh Production of N-(triorganylsilylmethyl)-substituted 1,2-diaminoethanes, useful for the production of silyl terminated urea derivatives, comprises reaction of a halomethyltriorganylsilane with ethylenediamine
DE10237271A1 (en) * 2002-08-14 2004-03-04 Consortium für elektrochemische Industrie GmbH Polymer masses based on alkoxysilane-terminated polymers with adjustable curing speed
DE10352907A1 (en) * 2002-11-15 2004-08-05 Henkel Kgaa Prepolymers with alkoxysilylalkylgroups attached to the polymeric backbone by hetero-atoms, used for the production of adhesives and polyurethane foam in cans
DE102007032342A1 (en) 2007-07-11 2009-01-15 Bayer Materialscience Ag Process for the preparation of polyurethane foams based on special alkoxysilane-functional polymers
CA3136562A1 (en) * 2019-05-06 2020-11-12 Basf Coatings Gmbh Silane-based coating composition

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE962649C (en) * 1955-03-17 1957-04-25 Rudolph Koepp & Co Chem Fab A Process for the production of foams using polyurethane foam waste

Also Published As

Publication number Publication date
CA1023498A (en) 1977-12-27
IE37971L (en) 1974-02-05
FR2194738A1 (en) 1974-03-01
NL7310718A (en) 1974-02-07
ES417586A1 (en) 1976-03-16
IE37971B1 (en) 1977-11-23
BE803215A (en) 1974-02-04
DE2238741A1 (en) 1974-02-07
GB1422884A (en) 1976-01-28
JPS4953693A (en) 1974-05-24
FR2194738B1 (en) 1979-04-20
LU68145A1 (en) 1973-10-16

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