IT957566B - Procedimento per la produzione di schiume poliuretaniche idrofile e prodotto ottenuto - Google Patents

Procedimento per la produzione di schiume poliuretaniche idrofile e prodotto ottenuto

Info

Publication number
IT957566B
IT957566B IT48956/72A IT4895672A IT957566B IT 957566 B IT957566 B IT 957566B IT 48956/72 A IT48956/72 A IT 48956/72A IT 4895672 A IT4895672 A IT 4895672A IT 957566 B IT957566 B IT 957566B
Authority
IT
Italy
Prior art keywords
procedure
production
product obtained
polyurethane foams
hydrophilic polyurethane
Prior art date
Application number
IT48956/72A
Other languages
English (en)
Inventor
S Pardini
G Grasso
Original Assignee
Pechiney Ugine Kuhlmann
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 Pechiney Ugine Kuhlmann filed Critical Pechiney Ugine Kuhlmann
Application granted granted Critical
Publication of IT957566B publication Critical patent/IT957566B/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
    • C08G18/4833—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
    • C08G18/40—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
    • 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)
IT48956/72A 1971-03-15 1972-03-13 Procedimento per la produzione di schiume poliuretaniche idrofile e prodotto ottenuto IT957566B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717108967A FR2129823B1 (it) 1971-03-15 1971-03-15

Publications (1)

Publication Number Publication Date
IT957566B true IT957566B (it) 1973-10-20

Family

ID=9073540

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48956/72A IT957566B (it) 1971-03-15 1972-03-13 Procedimento per la produzione di schiume poliuretaniche idrofile e prodotto ottenuto

Country Status (12)

Country Link
BE (1) BE780287A (it)
DE (1) DE2211914C2 (it)
DK (1) DK141552B (it)
ES (1) ES400762A1 (it)
FR (1) FR2129823B1 (it)
GB (1) GB1381925A (it)
IL (1) IL38966A0 (it)
IT (1) IT957566B (it)
NL (1) NL154760B (it)
NO (1) NO134841C (it)
SE (1) SE402783B (it)
TR (1) TR16954A (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4143004A (en) 1974-10-02 1979-03-06 Berol Kemi Ab Process for the preparation of polyurethane foam
JPS583488B2 (ja) * 1978-05-15 1983-01-21 株式会社ブリヂストン 軟質ポリエ−テルポリウレタンフオ−ムの製造方法
DE2916485A1 (de) * 1979-04-24 1980-11-06 Bayer Ag Verfahren zur herstellung von elastischen formkoerpern
DE3066568D1 (en) * 1979-07-11 1984-03-22 Ici Plc Prepolymers, polyisocyanate compositions prepared therefrom and their use in the preparation of polyurethane foams
EP0044481B2 (de) * 1980-07-21 1987-03-11 Mobay Chemical Corporation Verfahren zur Herstellung elastischer geformter Gegenstände
DE3942330A1 (de) * 1989-12-21 1991-06-27 Basf Ag Verfahren zur herstellung von flexiblen polyurethan-weichschaumstoffen mit viskoelastischen, koerperschalldaempfenden eigenschaften und hierzu verwendbare polyoxyalkylen-polyol-mischungen
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
CZ351996A3 (en) * 1995-12-07 1997-06-11 Shell Int Research Polyol formulation for preparing flexible polyurethane foam similar to latex
US6063309A (en) * 1998-07-13 2000-05-16 Arco Chemical Technology L.P. Dispersion polyols for hypersoft polyurethane foam
EP1240228B1 (en) * 1999-11-02 2003-08-13 Huntsman International Llc Process for making visco-elastic foams, polyols blend and reaction system useful therefor
AU2011299421B9 (en) 2010-09-07 2014-03-20 Dow Global Technologies Llc Process for making low compression set and high airflow MDI viscoelastic polyurethane foam
US9029432B2 (en) 2010-09-29 2015-05-12 Dow Global Technologies Llc Process for making high airflow and low compression set viscoelastic polyurethane foam

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441523A (en) * 1964-11-12 1969-04-29 Allied Chem Filled cellular urethanes
US3457203A (en) * 1966-04-25 1969-07-22 Olin Mathieson Hydrophilic polyurethane foams and a process for preparing them
FR1599727A (it) * 1968-08-13 1970-07-20

Also Published As

Publication number Publication date
TR16954A (tr) 1974-01-17
IL38966A0 (en) 1972-05-30
DE2211914C2 (de) 1983-11-10
NL7203360A (it) 1972-09-19
FR2129823B1 (it) 1974-03-01
NO134841B (it) 1976-09-13
DK141552B (da) 1980-04-21
SE402783B (sv) 1978-07-17
GB1381925A (en) 1975-01-29
FR2129823A1 (it) 1972-11-03
BE780287A (fr) 1972-09-06
NO134841C (it) 1976-12-21
ES400762A1 (es) 1975-01-16
DK141552C (it) 1980-10-06
NL154760B (nl) 1977-10-17
DE2211914A1 (de) 1972-10-12

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