[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

DE69209121D1 - Verwendung von Nitromethan, Nitroethan und 1-Nitropropan zur Verhinderung des Abbaus der in der Herstellung von geschäumten Polyurethanen und Polyisocyanuraten als Treibmittel benutzten Fluorchlorkohlenwasserstoffe - Google Patents

Verwendung von Nitromethan, Nitroethan und 1-Nitropropan zur Verhinderung des Abbaus der in der Herstellung von geschäumten Polyurethanen und Polyisocyanuraten als Treibmittel benutzten Fluorchlorkohlenwasserstoffe

Info

Publication number
DE69209121D1
DE69209121D1 DE69209121T DE69209121T DE69209121D1 DE 69209121 D1 DE69209121 D1 DE 69209121D1 DE 69209121 T DE69209121 T DE 69209121T DE 69209121 T DE69209121 T DE 69209121T DE 69209121 D1 DE69209121 D1 DE 69209121D1
Authority
DE
Germany
Prior art keywords
polyisocyanurates
nitroethane
nitropropane
nitromethane
production
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 - Fee Related
Application number
DE69209121T
Other languages
English (en)
Other versions
DE69209121T2 (de
Inventor
Giampiero Basile
Ezio Musso
Claudio Tonelli
Sauro Girolomoni
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.)
Solvay Specialty Polymers Italy SpA
Original Assignee
Ausimont SpA
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
Priority claimed from ITMI910989A external-priority patent/IT1245864B/it
Priority claimed from IT91MI1861 external-priority patent/IT1250644B/it
Application filed by Ausimont SpA filed Critical Ausimont SpA
Publication of DE69209121D1 publication Critical patent/DE69209121D1/de
Application granted granted Critical
Publication of DE69209121T2 publication Critical patent/DE69209121T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-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
    • C08J9/14—Working-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
    • C08J9/143—Halogen containing compounds
    • C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/42—Use of additives, e.g. for stabilisation
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
DE69209121T 1991-04-11 1992-04-10 Verwendung von Nitromethan, Nitroethan und 1-Nitropropan zur Verhinderung des Abbaus der in der Herstellung von geschäumten Polyurethanen und Polyisocyanuraten als Treibmittel benutzten Fluorchlorkohlenwasserstoffe Expired - Fee Related DE69209121T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI910989A IT1245864B (it) 1991-04-11 1991-04-11 Metodo per stabilizzare gli idroclorofluorocarburi
IT91MI1861 IT1250644B (it) 1991-07-05 1991-07-05 Metodo per inibire la degradazione di idroclorofluorocarburi usati come agenti espandenti nella preparazione di poliuretani e poliisocianurati espansi.

Publications (2)

Publication Number Publication Date
DE69209121D1 true DE69209121D1 (de) 1996-04-25
DE69209121T2 DE69209121T2 (de) 1996-09-26

Family

ID=26330700

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69209121T Expired - Fee Related DE69209121T2 (de) 1991-04-11 1992-04-10 Verwendung von Nitromethan, Nitroethan und 1-Nitropropan zur Verhinderung des Abbaus der in der Herstellung von geschäumten Polyurethanen und Polyisocyanuraten als Treibmittel benutzten Fluorchlorkohlenwasserstoffe

Country Status (9)

Country Link
US (1) US5464882A (de)
EP (1) EP0508449B1 (de)
JP (1) JP3247144B2 (de)
AT (1) ATE135723T1 (de)
BR (1) BR9201324A (de)
CA (1) CA2065885A1 (de)
DE (1) DE69209121T2 (de)
ES (1) ES2084862T3 (de)
SI (1) SI9200047A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05222146A (ja) * 1992-02-14 1993-08-31 Daikin Ind Ltd 硬質ポリウレタンフォームの製造法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE621364A (de) * 1961-03-10
NL284875A (de) * 1961-10-30
US3352789A (en) * 1964-01-10 1967-11-14 Allied Chem Stabilization of chlorofluoroalkanes
US3465052A (en) * 1966-06-15 1969-09-02 Daikin Ind Ltd Stabilized chlorofluoroalkane compositions
JPS523006A (en) * 1975-06-27 1977-01-11 Asahi Glass Co Ltd Process for stabilization of furon
DE3139401C2 (de) * 1981-10-03 1985-12-12 Hoechst Ag, 6230 Frankfurt Stabilisieren von Polyether- oder Polyester-Formmassen gegen vorzeitige Reaktion
JPS6375020A (ja) * 1986-09-18 1988-04-05 Du Pont Mitsui Fluorochem Co Ltd 硬質ポリウレタンフオ−ム用発泡剤組成物
JP2525755B2 (ja) * 1987-10-16 1996-08-21 三井・デュポンフロロケミカル株式会社 硬質ポリウレタンフオ―ム用発泡剤組成物
JPH01128944A (ja) * 1987-11-13 1989-05-22 Asahi Glass Co Ltd 水素含有フロンを安定化する方法
JPH01128945A (ja) * 1987-11-13 1989-05-22 Asahi Glass Co Ltd 水素含有フロンを安定化する方法
JPH01211539A (ja) * 1988-02-16 1989-08-24 Asahi Glass Co Ltd 水素含有フロンを安定化する方法
JPH01211538A (ja) * 1988-02-16 1989-08-24 Asahi Glass Co Ltd 水素含有フロンを安定化する方法
JPH02279634A (ja) * 1989-04-18 1990-11-15 Asahi Glass Co Ltd フッ素化炭化水素系共沸組成物及び共沸様組成物
JPH0331222A (ja) * 1989-06-28 1991-02-12 Asahi Glass Co Ltd 弗素化炭化水素系共沸及び擬共沸組成物
US4997589A (en) * 1989-12-15 1991-03-05 Allied-Signal Inc. Azeotrope-like compositions of 1,2-difluoroethane and dichlorotrifluoroethane
US5124503A (en) * 1990-12-13 1992-06-23 Allied-Signal Inc. Dichlorotrifluoroethane stabilized to minimize hydrolysis thereof
US5137929A (en) * 1991-06-21 1992-08-11 Allied-Signal Inc. Additives which stabilize hydrohalocarbon blowing agent in polyurethane and polyisocyanurate foam formulations during polymerization

Also Published As

Publication number Publication date
EP0508449B1 (de) 1996-03-20
CA2065885A1 (en) 1992-10-12
SI9200047A (en) 1992-11-27
JP3247144B2 (ja) 2002-01-15
ATE135723T1 (de) 1996-04-15
JPH0687971A (ja) 1994-03-29
DE69209121T2 (de) 1996-09-26
US5464882A (en) 1995-11-07
BR9201324A (pt) 1992-12-01
EP0508449A1 (de) 1992-10-14
ES2084862T3 (es) 1996-05-16

Similar Documents

Publication Publication Date Title
MX166374B (es) Un sistema de espumacion para espumas rigidas de uretano e isocianato
ATE117701T1 (de) Verwendung von polyesterpolyolen enthaltenden reaktionsmischungen bei der herstellung von massiven polyurethanwerkstoffen nach dem giessverfahren.
ATE91493T1 (de) Verfahren zur herstellung von polyurethanweichblockschaumstoffen.
ATE158326T1 (de) Verfahren zur herstellung von harten polyurethanschaumstoffen
ATE15678T1 (de) Verfahren zur herstellung von polyaminen und deren verwendung zur herstellung von polyurethanen.
US5130345A (en) Method of preparing foam using a partially fluorinated alkane having a tertiary structure as a blowing agent
FI945875A0 (fi) Vaahtoa stabiloiva lisäaine ja sen avulla valmistettu polyuretaanivaahto
ATE170889T1 (de) Verfahren zur herstellung von fluorchlorkohlenwasserstoff freien, hochelastischen polyurethan-weichschaumstoffen und hierfür verwendbare, mit urethangruppen modifizierte polyisocyanatmischungen auf diphenylmethan-diisocyanatbasis
ATE150473T1 (de) Verfahren zur herstellung von schaumstoffen mit hilfe von fluoralkanen
DE69006258D1 (de) Stabilisierungszusammensetzungen für Polyolen und Polyurethanschaum.
ATE34756T1 (de) Verwendung von sterisch gehinderten aromatischen diaminen bei der herstellung von polyurethanschaumstoffen.
ATE106425T1 (de) Stabilisierungsmittel auf der basis von siloxanen und ihre anwendung für die herstellung von polyurethanschäumen.
DE69209121D1 (de) Verwendung von Nitromethan, Nitroethan und 1-Nitropropan zur Verhinderung des Abbaus der in der Herstellung von geschäumten Polyurethanen und Polyisocyanuraten als Treibmittel benutzten Fluorchlorkohlenwasserstoffe
DE69016429D1 (de) Polyisocyanat-Zusammensetzungen sowie ihre Verwendung zur Herstellung von Polyurethan-Weichschaumstoffen.
JP2646316B2 (ja) 安定化された１４１ｂ
DE59710711D1 (de) Verfahren zur Herstellung von elastischen Polyurethanblockschaumstoffen
ES437473A1 (es) Procedimiento para la obtencion de materiales espumados du- ros, iniuflamables, con grupos uretano.
DE3877424D1 (de) Verfahren zur herstellung harter polyurethanschaeume.
US5221697A (en) Stabilized 14lb
JP2710090B2 (ja) 安定化された１４１ｂ
ATE158801T1 (de) Verfahren zur herstellung von urethan- und isocyanuratgruppen aufweisenden hartschaumstoffen und ihre verwendung als dämmaterialien
GR3002066T3 (en) Process for producing foamed elastomeric composition
ATE168977T1 (de) Stabilisierte zusammensetzungen, die fluorkohlenwasserstoffe enthalten, vormischungen zur herstellung von polymerschäumen und erhaltene polymerschäume
DK438082A (da) Fremgangsmaade og stabilisatorblanding til stabilisering af polyether- eller polyesterformmasser mod for tidlig reaktion
ATE143985T1 (de) Verfahren zur herstellung von flammgeschützten urethangruppen aufweisenden hartschaumstoffen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee