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 (enrdf_load_stackoverflow)
AU (1) AU509980B2 (enrdf_load_stackoverflow)
DE (1) DE2743126A1 (enrdf_load_stackoverflow)
FI (1) FI772840A7 (enrdf_load_stackoverflow)
FR (1) FR2366320A1 (enrdf_load_stackoverflow)
GB (1) GB1565124A (enrdf_load_stackoverflow)
IT (1) IT1143694B (enrdf_load_stackoverflow)
NL (1) NL183653C (enrdf_load_stackoverflow)
NZ (1) NZ185278A (enrdf_load_stackoverflow)
SE (1) SE437994B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2038855B (en) * 1978-11-20 1982-12-22 Grace W R & Co Scavengers for reducing aromatic amine content in polyurethane foams
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
AU509980B2 (en) 1980-06-05
DE2743126A1 (de) 1978-04-06
SE7710742L (sv) 1978-03-30
FI772840A7 (fi) 1978-03-30
NZ185278A (en) 1980-04-28
GB1565124A (en) 1980-04-16
JPS6246567B2 (enrdf_load_stackoverflow) 1987-10-02
JPS5359793A (en) 1978-05-29
AU2916577A (en) 1979-04-05
NL7710525A (nl) 1978-03-31
NL183653B (nl) 1988-07-18
SE437994B (sv) 1985-03-25
FR2366320B1 (enrdf_load_stackoverflow) 1984-07-27
NL183653C (nl) 1988-12-16
DE2743126C2 (enrdf_load_stackoverflow) 1992-05-27
FR2366320A1 (fr) 1978-04-28

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Legal Events

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

Effective date: 19931029