BR9201324A - Processo para inibir a degradacao por desidrohalogenacao de fluorcarbonos cloridricos tendo dois atomos de carbono e composicao com base em fluorcarbono cloridrico - Google Patents

Processo para inibir a degradacao por desidrohalogenacao de fluorcarbonos cloridricos tendo dois atomos de carbono e composicao com base em fluorcarbono cloridrico

Info

Publication number
BR9201324A
BR9201324A BR929201324A BR9201324A BR9201324A BR 9201324 A BR9201324 A BR 9201324A BR 929201324 A BR929201324 A BR 929201324A BR 9201324 A BR9201324 A BR 9201324A BR 9201324 A BR9201324 A BR 9201324A
Authority
BR
Brazil
Prior art keywords
chlorhydro
dehydrohalogenation
degradation
fluorcarbons
fluorcarbon
Prior art date
Application number
BR929201324A
Other languages
English (en)
Inventor
Giampiero Brasile
Ezio Musso
Claudio Tonelli
Sauro Girolomoni
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 IT001861 external-priority patent/IT1250644B/it
Application filed by Ausimont Spa filed Critical Ausimont Spa
Publication of BR9201324A publication Critical patent/BR9201324A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-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
    • C08J9/14Working-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
    • C08J9/143Halogen containing compounds
    • C08J9/144Halogen containing compounds containing carbon, halogen and hydrogen only
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/38Separation; Purification; Stabilisation; Use of additives
    • C07C17/42Use of additives, e.g. for stabilisation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes

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)
BR929201324A 1991-04-11 1992-04-10 Processo para inibir a degradacao por desidrohalogenacao de fluorcarbonos cloridricos tendo dois atomos de carbono e composicao com base em fluorcarbono cloridrico BR9201324A (pt)

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
IT001861 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 (1)

Publication Number Publication Date
BR9201324A true BR9201324A (pt) 1992-12-01

Family

ID=26330700

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929201324A BR9201324A (pt) 1991-04-11 1992-04-10 Processo para inibir a degradacao por desidrohalogenacao de fluorcarbonos cloridricos tendo dois atomos de carbono e composicao com base em fluorcarbono cloridrico

Country Status (9)

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

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 (pt) * 1961-03-10
NL284875A (pt) * 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
JP3247144B2 (ja) 2002-01-15
EP0508449B1 (en) 1996-03-20
CA2065885A1 (en) 1992-10-12
DE69209121D1 (de) 1996-04-25
DE69209121T2 (de) 1996-09-26
SI9200047A (en) 1992-11-27
EP0508449A1 (en) 1992-10-14
ATE135723T1 (de) 1996-04-15
ES2084862T3 (es) 1996-05-16
JPH0687971A (ja) 1994-03-29
US5464882A (en) 1995-11-07

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