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 IT2799377A IT2799377A IT1143694B IT 1143694 B IT1143694 B IT 1143694B IT 2799377 A IT2799377 A IT 2799377A 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
IT2799377A
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)
IT2799377A 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
IT2799377A 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 (nl)
AU (1) AU509980B2 (nl)
DE (1) DE2743126A1 (nl)
FI (1) FI772840A (nl)
FR (1) FR2366320A1 (nl)
GB (1) GB1565124A (nl)
IT (1) IT1143694B (nl)
NL (1) NL183653C (nl)
NZ (1) NZ185278A (nl)
SE (1) SE437994B (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441637A1 (fr) * 1978-11-20 1980-06-13 Grace W R Ltd Procede et additifs pour diminuer la teneur en amines aromatiques nocives dans les mousses de polyurethanne
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
US20230048176A1 (en) * 2020-03-27 2023-02-16 Covestro Deutschland Ag Flexible polyurethane foam

Also Published As

Publication number Publication date
SE7710742L (sv) 1978-03-30
JPS6246567B2 (nl) 1987-10-02
FI772840A (fi) 1978-03-30
DE2743126A1 (de) 1978-04-06
FR2366320A1 (fr) 1978-04-28
DE2743126C2 (nl) 1992-05-27
NZ185278A (en) 1980-04-28
JPS5359793A (en) 1978-05-29
SE437994B (sv) 1985-03-25
NL183653B (nl) 1988-07-18
NL7710525A (nl) 1978-03-31
FR2366320B1 (nl) 1984-07-27
AU509980B2 (en) 1980-06-05
GB1565124A (en) 1980-04-16
NL183653C (nl) 1988-12-16
AU2916577A (en) 1979-04-05

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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