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BE798926A - Procede de preparation de mousses de polyurethane - Google Patents

Procede de preparation de mousses de polyurethane

Info

Publication number
BE798926A
BE798926A BE130593A BE130593A BE798926A BE 798926 A BE798926 A BE 798926A BE 130593 A BE130593 A BE 130593A BE 130593 A BE130593 A BE 130593A BE 798926 A BE798926 A BE 798926A
Authority
BE
Belgium
Prior art keywords
polyurethane foams
preparing polyurethane
preparing
foams
polyurethane
Prior art date
Application number
BE130593A
Other languages
English (en)
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of BE798926A publication Critical patent/BE798926A/fr

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
    • C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
    • C08G65/2669—Non-metals or compounds thereof
    • C08G65/2672—Nitrogen or compounds thereof
    • 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
    • C08J2375/08—Polyurethanes from polyethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
BE130593A 1972-05-02 1973-04-30 Procede de preparation de mousses de polyurethane BE798926A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2035772 1972-05-02

Publications (1)

Publication Number Publication Date
BE798926A true BE798926A (fr) 1973-10-30

Family

ID=10144610

Family Applications (1)

Application Number Title Priority Date Filing Date
BE130593A BE798926A (fr) 1972-05-02 1973-04-30 Procede de preparation de mousses de polyurethane

Country Status (11)

Country Link
JP (1) JPS56446B2 (fr)
AT (1) AT331034B (fr)
AU (1) AU469254B2 (fr)
BE (1) BE798926A (fr)
BR (1) BR7303135D0 (fr)
CH (1) CH592122A5 (fr)
DE (1) DE2321884A1 (fr)
ES (1) ES414240A1 (fr)
FR (1) FR2183072A1 (fr)
IT (1) IT988642B (fr)
NL (1) NL7306021A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2815540A1 (de) * 1978-04-11 1979-10-25 Basf Ag Polyurethan-weichschaumstoffe mit hoher trag- und stossabsorptionsfaehigkeit
CA1189249A (fr) * 1981-07-09 1985-06-18 Bernhard Liessem Fabrication de la mousse
US10603456B2 (en) 2011-04-15 2020-03-31 Fisher & Paykel Healthcare Limited Interface comprising a nasal sealing portion
GB2532171B (en) 2011-04-15 2016-07-06 Fisher & Paykel Healthcare Ltd Interface comprising a rolling nasal bridge portion
EP4279106A3 (fr) 2012-09-04 2024-01-17 Fisher & Paykel Healthcare Limited Masque de valsalva
WO2016032343A1 (fr) 2014-08-25 2016-03-03 Fisher & Paykel Healthcare Limited Masque respiratoire et parties, composants ou sous-ensembles associés

Also Published As

Publication number Publication date
NL7306021A (fr) 1973-11-06
CH592122A5 (fr) 1977-10-14
JPS4947495A (fr) 1974-05-08
AT331034B (de) 1976-07-26
AU5498673A (en) 1974-10-31
JPS56446B2 (fr) 1981-01-08
BR7303135D0 (pt) 1974-07-18
ES414240A1 (es) 1976-01-16
AU469254B2 (en) 1976-02-05
ATA382373A (de) 1975-10-15
IT988642B (it) 1975-04-30
DE2321884A1 (de) 1973-11-15
FR2183072A1 (en) 1973-12-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.

Effective date: 19840430