IT1143694B - Processo per la produzione di espansi poliuretanici,e prodotto ottenuto - Google Patents

Processo per la produzione di espansi poliuretanici,e prodotto ottenuto

Info

Publication number
IT1143694B
IT1143694B IT27993/77A IT2799377A IT1143694B IT 1143694 B IT1143694 B IT 1143694B IT 27993/77 A IT27993/77 A IT 27993/77A IT 2799377 A IT2799377 A IT 2799377A IT 1143694 B IT1143694 B IT 1143694B
Authority
IT
Italy
Prior art keywords
production
product obtained
polyurethane foams
foams
polyurethane
Prior art date
Application number
IT27993/77A
Other languages
English (en)
Italian (it)
Original Assignee
Grace W R & Co
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 Grace W R & Co filed Critical Grace W R & Co
Application granted granted Critical
Publication of IT1143694B publication Critical patent/IT1143694B/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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/7806—Nitrogen containing -N-C=0 groups
    • C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
    • C08G18/724—Combination of aromatic polyisocyanates with (cyclo)aliphatic polyisocyanates
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
    • C08G18/725—Combination of polyisocyanates of C08G18/78 with other polyisocyanates
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
IT27993/77A 1976-09-29 1977-09-27 Processo per la produzione di espansi poliuretanici,e prodotto ottenuto IT1143694B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72846476A 1976-09-29 1976-09-29
US83162877A 1977-09-08 1977-09-08

Publications (1)

Publication Number Publication Date
IT1143694B true IT1143694B (it) 1986-10-22

Family

ID=27111696

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27993/77A IT1143694B (it) 1976-09-29 1977-09-27 Processo per la produzione di espansi poliuretanici,e prodotto ottenuto

Country Status (10)

Country Link
JP (1) JPS5359793A (cs)
AU (1) AU509980B2 (cs)
DE (1) DE2743126A1 (cs)
FI (1) FI772840A7 (cs)
FR (1) FR2366320A1 (cs)
GB (1) GB1565124A (cs)
IT (1) IT1143694B (cs)
NL (1) NL183653C (cs)
NZ (1) NZ185278A (cs)
SE (1) SE437994B (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2946625A1 (de) * 1978-11-20 1980-05-29 Grace W R & Co Verfahren zur herstellung von polyurethanschaeumen mit reduziertem gehalt an aromatischem amin
US4439553A (en) * 1983-01-17 1984-03-27 W. R. Grace & Co. High molecular weight aromatic amine scavengers and method of use
GB9108552D0 (en) * 1991-04-22 1991-06-05 Shell Int Research A process for preparing soft,flexible water-blown foams,and soft,flexible water-blown foams so prepared
DE19928676A1 (de) 1999-06-23 2000-12-28 Basf Ag Polyisocyanat-Polyadditionsprodukte
DE10158154A1 (de) 2001-11-28 2003-06-18 Bayer Ag Trennmittel und Verfahren zur Herstellung von Kunststoffformteilen
WO2021191096A1 (en) * 2020-03-27 2021-09-30 Covestro Deutschland Ag Flexible polyurethane foam

Also Published As

Publication number Publication date
SE437994B (sv) 1985-03-25
NL183653C (nl) 1988-12-16
FR2366320A1 (fr) 1978-04-28
NL7710525A (nl) 1978-03-31
JPS5359793A (en) 1978-05-29
GB1565124A (en) 1980-04-16
AU2916577A (en) 1979-04-05
JPS6246567B2 (cs) 1987-10-02
FR2366320B1 (cs) 1984-07-27
FI772840A7 (fi) 1978-03-30
DE2743126C2 (cs) 1992-05-27
SE7710742L (sv) 1978-03-30
NL183653B (nl) 1988-07-18
AU509980B2 (en) 1980-06-05
DE2743126A1 (de) 1978-04-06
NZ185278A (en) 1980-04-28

Similar Documents

Publication Publication Date Title
IT1082703B (it) Catalizzatore di amminazione e procedimento per la produzione di alchilammine
IT8020893A0 (it) Prodotto tessile di tipo scamosciato e processo per la suaproduzione.
IT7823625A0 (it) Processo per la produzione di alchilenossidi e relativi catalizzatori.
IT1080771B (it) Processo per la produzione di materiale polimerico innestato
IT1075293B (it) Processo per la preparazione di zeoliti formate,e prodotto ottenuto
BR7704658A (pt) Processo para preparacao de um prepolimero de poliisocianato;processo para preparar um produto de poliuretana;prepolimero de poliisocianato;e espuma de poliuretana
IT1027537B (it) Processo per la preparazione di un poliuretano e prodotto otenuto
BR7707289A (pt) Espuma de poliester resiliente,estavel,e processo para sua producao
BR8103325A (pt) Processo para a producao de espuma de poliuretano,espuma de poliuretano e composicao
IT1065295B (it) Processo per la produzione di dimetil etere e catalizzatore utilizzabile in detto processo
IT1113268B (it) Procedimento per la produzione di espanso morbido di polimero etilenico
IT1120464B (it) Procedimento per la produzione di poliuretani da trans-cicloesan-1,4-diisocianato e prodotto ottenuto
IT7822205A0 (it) Processo per la produzione dimateriali compositi di espanso.
IT1076431B (it) Apparecchiatura e processo per la produzione continua di fogli espansi
IT1085152B (it) Azolil-carbossil-derivati,processo per la loro produzione e loro impiego come funghicidi
IT7925570A0 (it) Processo per la produzione di diesterediammidi.
IT1047791B (it) Processo per la produzione di espansi cellulari e relativo prodotto
IT1075381B (it) Processo per la produzione di acilcianuri
IT1082694B (it) Procedimento per la produzione di poliammideimmidi
BR7707173A (pt) Processo para producao de dioxido de cloro
IT7827797A0 (it) Processo per la produzione di 1,1,1,2-tetrafluoroetano.
IT1147754B (it) Procedimento centrifugo per la produzione di schiume poliuretaniche
IT1075382B (it) Processo per la produzione di acilcianuri
IT1143694B (it) Processo per la produzione di espansi poliuretanici,e prodotto ottenuto
IT1018928B (it) Procedimento per produrre schiume poliuretaniche e prodotto ottenuto

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931029