IT1037434B - Procedimento di preparazione di espansi di poliuretano ad elasticita migltorata - Google Patents

Procedimento di preparazione di espansi di poliuretano ad elasticita migltorata

Info

Publication number
IT1037434B
IT1037434B IT22506/75A IT2250675A IT1037434B IT 1037434 B IT1037434 B IT 1037434B IT 22506/75 A IT22506/75 A IT 22506/75A IT 2250675 A IT2250675 A IT 2250675A IT 1037434 B IT1037434 B IT 1037434B
Authority
IT
Italy
Prior art keywords
procedure
preparation
improved elasticity
polyurethane expansion
polyurethane
Prior art date
Application number
IT22506/75A
Other languages
English (en)
Italian (it)
Inventor
J Lloret
Original Assignee
Naphtachimie Sa
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 FR7413635A external-priority patent/FR2268036A1/fr
Priority claimed from FR7508881A external-priority patent/FR2304632A2/fr
Application filed by Naphtachimie Sa filed Critical Naphtachimie Sa
Application granted granted Critical
Publication of IT1037434B publication Critical patent/IT1037434B/it

Links

Classifications

    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/2815—Monohydroxy compounds
    • C08G18/283—Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/005—< 50kg/m3
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
IT22506/75A 1974-04-19 1975-04-18 Procedimento di preparazione di espansi di poliuretano ad elasticita migltorata IT1037434B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7413635A FR2268036A1 (en) 1974-04-19 1974-04-19 Polyurethane soft foams - obtd. from particular polyether polyols, polyisocyantes and crosslinking agents
FR7508881A FR2304632A2 (fr) 1975-03-21 1975-03-21 Procede de fabrication de mousses de polyurethane d'elasticite amelioree

Publications (1)

Publication Number Publication Date
IT1037434B true IT1037434B (it) 1979-11-10

Family

ID=26218286

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22506/75A IT1037434B (it) 1974-04-19 1975-04-18 Procedimento di preparazione di espansi di poliuretano ad elasticita migltorata

Country Status (8)

Country Link
AT (1) AT344403B (nl)
CH (1) CH602816A5 (nl)
DE (1) DE2517281A1 (nl)
ES (1) ES436670A1 (nl)
GB (1) GB1480972A (nl)
IT (1) IT1037434B (nl)
NL (1) NL160849C (nl)
SE (1) SE7503966L (nl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3066568D1 (en) * 1979-07-11 1984-03-22 Ici Plc Prepolymers, polyisocyanate compositions prepared therefrom and their use in the preparation of polyurethane foams
US5011908A (en) * 1988-07-12 1991-04-30 Arco Chemical Technology, Inc. Polymer polyol compositions and their use in the preparation of polyurethane foams
US5171759A (en) * 1988-07-12 1992-12-15 Arco Chemical Technology, L.P. Polymer polyol compositions and their use in the preparation of polyurethane foams
US4950694A (en) * 1989-06-29 1990-08-21 Union Carbide Chemicals And Plastics Company Inc. Preparation of polyurethane foams without using inert blowing agents
DE4129666C2 (de) * 1991-09-06 1996-12-12 Stankiewicz Gmbh Verfahren zur Herstellung eines viscoelastischen Dämpfungsschaums mit adhäsiver Oberfläche
DE4202992A1 (de) * 1992-02-03 1993-08-05 Bayer Ag Verfahren zur herstellung von elastischen, offenzelligen pur-weichschaumstoffen
DE4203918A1 (de) * 1992-02-11 1993-08-12 Basf Ag Verfahren zur herstellung von fluorchlorkohlenwasserstoff-freien polyurethan-weichschaumstoffen unter verwendung von urethangruppen enthaltenden polyisocyanatmischungen auf diphenylmethan-diisocyanatbasis sowie derartige modifizierte polyisocyanatmischungen
DE4204395A1 (de) * 1992-02-14 1993-08-19 Bayer Ag Verfahren zur herstellung von kalthaertenden polyurethan-weichformschaumstoffen
GB9325043D0 (en) * 1993-12-07 1994-02-02 Polyol Int Bv Polyol compositions and their use in the preparation of high resilience polyurethane foams
DE10111823A1 (de) 2001-03-13 2002-09-26 Basf Ag Verfahren zur Herstellung von Polyurethan-Weichschaumstoffen
PL2736935T3 (pl) * 2011-07-26 2019-06-28 Huntsman International Llc Sposób wytwarzania elastycznej pianki poliuretanowej

Also Published As

Publication number Publication date
DE2517281A1 (de) 1975-10-23
ATA293675A (de) 1977-11-15
ES436670A1 (es) 1977-05-01
SE7503966L (sv) 1975-10-20
NL7504635A (nl) 1975-10-21
GB1480972A (en) 1977-07-27
CH602816A5 (nl) 1978-08-15
NL160849B (nl) 1979-07-16
AT344403B (de) 1978-07-25
NL160849C (nl) 1979-12-17

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