NO911141L - Fremgangsmaate for fremstilling av stive skum ved anvendelse av klorfluorkarboner og hydrokarboner som esemiddel. - Google Patents

Fremgangsmaate for fremstilling av stive skum ved anvendelse av klorfluorkarboner og hydrokarboner som esemiddel.

Info

Publication number
NO911141L
NO911141L NO91911141A NO911141A NO911141L NO 911141 L NO911141 L NO 911141L NO 91911141 A NO91911141 A NO 91911141A NO 911141 A NO911141 A NO 911141A NO 911141 L NO911141 L NO 911141L
Authority
NO
Norway
Prior art keywords
weight
mixture
dichloro
foam
chloroful
Prior art date
Application number
NO91911141A
Other languages
English (en)
Other versions
NO911141D0 (no
Inventor
Herman P Doerge
Keith G Spitler
Charles E Mortimer
Original Assignee
Mobay Corp
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 US07/505,867 external-priority patent/US5057547A/en
Priority claimed from US07/505,813 external-priority patent/US5106527A/en
Application filed by Mobay Corp filed Critical Mobay Corp
Publication of NO911141D0 publication Critical patent/NO911141D0/no
Publication of NO911141L publication Critical patent/NO911141L/no

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
    • C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Fremgangsmåte for fremstilling av stive skum med lukkede celler ved omsetning av. a) en polyolkomponent,. b) et organisk polyisocyanat,. i nærvær av. c) en katalysator,. d) en skumstabi1isator og. e) et esemidde1.Som esemiddel anvendes en blanding valgt fra gruppen bestående. av:. (A) en blanding av 30-95 vekt* av et hydroklorfluorkarbon og 5-70 vekt* av et hydrokarbon,. (B) en blanding av 35-45 vekt* metylformeat og. 55-65 vekt* 1,1-diklor-l-fluoretan,. (C) en blanding av 30-40 vekt* 2-metylbutan og. 60-70 vekt* 2,2-diklor-1,1,1-trifluoretan,. (D) en blanding av 22-32 vekt* metylformeat og. 68-78 vekt* 2,2-diklor-l,1,1-trifluoretan,. (S) en blanding av 25-35 vekt* 2-metylbutan og. 65-75 vekt* 1,1-diklor-l-fluoretan,. (F) en blanding av 22-32 vekt* n-pentan og. 68-78 vekt* 1,1-diklor-l-fluoretan og. (G) en blanding av 8-19 vekt* n-pentan og. 81-92 vekt* 2,2-diklor-1,1,1-trifluoretan.
NO91911141A 1990-04-06 1991-03-21 Fremgangsmaate for fremstilling av stive skum ved anvendelse av klorfluorkarboner og hydrokarboner som esemiddel. NO911141L (no)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US50581790A 1990-04-06 1990-04-06
US50586490A 1990-04-06 1990-04-06
US50586690A 1990-04-06 1990-04-06
US50575990A 1990-04-06 1990-04-06
US50579190A 1990-04-06 1990-04-06
US07/505,867 US5057547A (en) 1990-04-06 1990-04-06 Rigid foams using blends of chlorofluorocarbons and hydrocarbons as blowing agent
US07/505,813 US5106527A (en) 1990-04-06 1990-04-06 Azeotropes of 2-methylbutane and 1,1-dichloro-1-fluorethane and the use thereof in the production of rigid foams

Publications (2)

Publication Number Publication Date
NO911141D0 NO911141D0 (no) 1991-03-21
NO911141L true NO911141L (no) 1991-10-07

Family

ID=27569816

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91911141A NO911141L (no) 1990-04-06 1991-03-21 Fremgangsmaate for fremstilling av stive skum ved anvendelse av klorfluorkarboner og hydrokarboner som esemiddel.

Country Status (6)

Country Link
EP (1) EP0450422A3 (no)
JP (1) JPH04252238A (no)
AU (1) AU629117B2 (no)
BR (1) BR9101387A (no)
FI (1) FI911622A (no)
NO (1) NO911141L (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060052466A1 (en) * 2004-09-03 2006-03-09 Handa Yash P Expanded and extruded thermoplastic foams made with methyl formate-based blowing agents
US8309619B2 (en) 2004-09-03 2012-11-13 Pactiv LLC Reduced-VOC and non-VOC blowing agents for making expanded and extruded thermoplastic foams
WO2007101034A2 (en) 2006-02-22 2007-09-07 Pactiv Corporation Polyolefin foams made with methyl formate-based blowing agents
EP2222746B1 (en) * 2007-12-19 2015-10-28 E. I. du Pont de Nemours and Company Foam-forming compositions containing azeotropic or azeotrope-like mixture containing z-1,1,1,4,4,4-hexafluoro-2-butene and methyl formate and their uses in the preparation of polyisocyanate-based foams

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3745203A (en) * 1971-08-19 1973-07-10 Cincinnati Milling Machine Co Process for molding polyurethane utilizing a mixture of two blowing agents
US4055521A (en) * 1975-10-08 1977-10-25 Allied Chemical Corporation Constant boiling ternary compositions and the process for using such compositions in the preparation of polyurethane foam
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
JPH01141995A (ja) * 1987-11-30 1989-06-02 Asahi Glass Co Ltd フツ素化炭化水素系共沸様混合物
JPH01234431A (ja) * 1988-03-15 1989-09-19 Asahi Glass Co Ltd 発泡合成樹脂の製造方法
JP2536581B2 (ja) * 1988-03-15 1996-09-18 旭硝子株式会社 発泡合成樹脂の製造方法
US4954290A (en) * 1989-06-12 1990-09-04 E. I. Du Pont De Nemours And Company Azeotropes of a hydrogen-containing halocarbon with pentanes

Also Published As

Publication number Publication date
FI911622A (fi) 1991-10-07
EP0450422A2 (en) 1991-10-09
NO911141D0 (no) 1991-03-21
JPH04252238A (ja) 1992-09-08
BR9101387A (pt) 1991-11-26
EP0450422A3 (en) 1992-11-19
FI911622A0 (fi) 1991-04-04
AU629117B2 (en) 1992-09-24
AU7400591A (en) 1991-10-10

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