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)
French (fr)
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/xx

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 (en(2012))
AT (1) AT331034B (en(2012))
AU (1) AU469254B2 (en(2012))
BE (1) BE798926A (en(2012))
BR (1) BR7303135D0 (en(2012))
CH (1) CH592122A5 (en(2012))
DE (1) DE2321884A1 (en(2012))
ES (1) ES414240A1 (en(2012))
FR (1) FR2183072A1 (en(2012))
IT (1) IT988642B (en(2012))
NL (1) NL7306021A (en(2012))

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 (en) * 1981-07-09 1985-06-18 Bernhard Liessem Foam manufacture
US10603456B2 (en) 2011-04-15 2020-03-31 Fisher & Paykel Healthcare Limited Interface comprising a nasal sealing portion
CA3049400C (en) 2011-04-15 2024-01-02 Fisher & Paykel Healthcare Limited Interface comprising a rolling nasal bridge portion
EP4279106A3 (en) 2012-09-04 2024-01-17 Fisher & Paykel Healthcare Limited Valsalva mask
GB2587295B8 (en) 2014-08-25 2021-09-29 Fisher & Paykel Healthcare Ltd Respiratory mask and related portions, components or sub-assemblies

Also Published As

Publication number Publication date
IT988642B (it) 1975-04-30
JPS56446B2 (en(2012)) 1981-01-08
NL7306021A (en(2012)) 1973-11-06
ES414240A1 (es) 1976-01-16
JPS4947495A (en(2012)) 1974-05-08
BR7303135D0 (pt) 1974-07-18
CH592122A5 (en(2012)) 1977-10-14
AU469254B2 (en) 1976-02-05
FR2183072A1 (en) 1973-12-14
AU5498673A (en) 1974-10-31
ATA382373A (de) 1975-10-15
AT331034B (de) 1976-07-26
DE2321884A1 (de) 1973-11-15

Similar Documents

Publication Publication Date Title
BE806806A (fr) Procede de preparation de mousses de polyurethanne
BE823506A (fr) Procede de preparation de mousses synthetiques se demoulant facilement
BE799031A (fr) Procede de preparation de revetements en polyurethanes,
BE754455A (fr) Procede de preparation de matieres en mousses a cellules ouvertes
BE821031A (fr) Procede de preparation de mousses de polyurethanes
BE791310A (fr) Procede de preparation de pieces moulees en mousse
BE799532A (fr) Procede de preparation de thiocarbamylsulfenamides,
BE799034A (fr) Procede de preparation de matieres mousses ignifuges portant des groupes urethane,
BE810367A (fr) Procede de preparation de mousses de polyurethane
BE797346A (fr) Procede de preparation de 1-hydroxy-2-pyridones
BE803724A (fr) Procede de preparation de diphenols
BE801589A (fr) Procede ameliore de preparation de mousses de polyurethannes
BE818740A (fr) Procede de preparation de mousses de polyurethannes
BE801446A (fr) Procede de preparation de mousses de polyurethannes
BE805635A (fr) Procede de preparation de thiazolsulfenamides
BE798926A (fr) Procede de preparation de mousses de polyurethane
BE796448A (fr) Procede de preparation de la 4-nitrosodiphenylamine
ZA73182B (en) Process for preparing polymers
BE807204A (fr) Procede de preparation de thiazolsulfenamides
BE829397A (fr) Procede de preparation de mousses de polyurethane
BE804709A (fr) Procede de preparation du 1,4-diacetoxybutane
BE807056A (fr) Procede de preparation de dialkylphosphines
FR2306226A1 (fr) Procede de preparation de mousses de polyurethannes
BE802447A (fr) Procede de preparation de lactamehydrazones de systemes aromatiques
BE801697A (fr) Procede de preparation des benzyl-monocetals

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.

Effective date: 19840430