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BR9101387A - Processo para a preparacao de espumas rigidas de celulas fechadas - Google Patents

Processo para a preparacao de espumas rigidas de celulas fechadas

Info

Publication number
BR9101387A
BR9101387A BR919101387A BR9101387A BR9101387A BR 9101387 A BR9101387 A BR 9101387A BR 919101387 A BR919101387 A BR 919101387A BR 9101387 A BR9101387 A BR 9101387A BR 9101387 A BR9101387 A BR 9101387A
Authority
BR
Brazil
Prior art keywords
preparation
closed cell
rigid foams
cell rigid
foams
Prior art date
Application number
BR919101387A
Other languages
English (en)
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 US07/505,813 external-priority patent/US5106527A/en
Priority claimed from US07/505,867 external-priority patent/US5057547A/en
Application filed by Mobay Corp filed Critical Mobay Corp
Publication of BR9101387A publication Critical patent/BR9101387A/pt

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)
BR919101387A 1990-04-06 1991-04-05 Processo para a preparacao de espumas rigidas de celulas fechadas BR9101387A (pt)

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
US50579190A 1990-04-06 1990-04-06
US50575990A 1990-04-06 1990-04-06
US50586690A 1990-04-06 1990-04-06
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
US07/505,867 US5057547A (en) 1990-04-06 1990-04-06 Rigid foams using blends of chlorofluorocarbons and hydrocarbons as blowing agent

Publications (1)

Publication Number Publication Date
BR9101387A true BR9101387A (pt) 1991-11-26

Family

ID=27569816

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919101387A BR9101387A (pt) 1990-04-06 1991-04-05 Processo para a preparacao de espumas rigidas de celulas fechadas

Country Status (6)

Country Link
EP (1) EP0450422A3 (pt)
JP (1) JPH04252238A (pt)
AU (1) AU629117B2 (pt)
BR (1) BR9101387A (pt)
FI (1) FI911622A7 (pt)
NO (1) NO911141L (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8309619B2 (en) 2004-09-03 2012-11-13 Pactiv LLC Reduced-VOC and non-VOC blowing agents for making expanded and extruded thermoplastic foams
US20060052466A1 (en) * 2004-09-03 2006-03-09 Handa Yash P Expanded and extruded thermoplastic foams made with methyl formate-based blowing agents
WO2007101034A2 (en) 2006-02-22 2007-09-07 Pactiv Corporation Polyolefin foams made with methyl formate-based blowing agents
CA2708274C (en) * 2007-12-19 2016-10-18 E. I. Du Pont De Nemours And Company Foam-forming compositions containing azeotropic or azeotrope-like mixtures containing z-1,1,1,4,4,4-hexafluoro-2-butene and their uses in the preparation of polyisocyanate-based foams

Family Cites Families (4)

* 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
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
AU629117B2 (en) 1992-09-24
FI911622L (fi) 1991-10-07
EP0450422A2 (en) 1991-10-09
NO911141L (no) 1991-10-07
FI911622A0 (fi) 1991-04-04
EP0450422A3 (en) 1992-11-19
JPH04252238A (ja) 1992-09-08
AU7400591A (en) 1991-10-10
FI911622A7 (fi) 1991-10-07
NO911141D0 (no) 1991-03-21

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Legal Events

Date Code Title Description
KF Request for proof of payment of annual fee
FD5 Application fees: dismissal - article 86 of industrial property law