IT1035840B - Procedimento e catalizzatori per produrre espansi poliuretanici - Google Patents

Procedimento e catalizzatori per produrre espansi poliuretanici

Info

Publication number
IT1035840B
IT1035840B IT49746/75A IT4974675A IT1035840B IT 1035840 B IT1035840 B IT 1035840B IT 49746/75 A IT49746/75 A IT 49746/75A IT 4974675 A IT4974675 A IT 4974675A IT 1035840 B IT1035840 B IT 1035840B
Authority
IT
Italy
Prior art keywords
catalysts
polyurethane foams
producing polyurethane
producing
foams
Prior art date
Application number
IT49746/75A
Other languages
English (en)
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of IT1035840B publication Critical patent/IT1035840B/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
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1841—Catalysts containing secondary or tertiary amines or salts thereof having carbonyl groups which may be linked to one or more nitrogen or oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C271/06—Esters of carbamic acids
    • C07C271/08—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms
    • C07C271/10—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C271/20—Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by nitrogen atoms not being part of nitro or nitroso groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
IT49746/75A 1974-05-25 1975-05-23 Procedimento e catalizzatori per produrre espansi poliuretanici IT1035840B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742425448 DE2425448A1 (de) 1974-05-25 1974-05-25 Verfahren zur herstellung von polyurethanschaumstoffen

Publications (1)

Publication Number Publication Date
IT1035840B true IT1035840B (it) 1979-10-20

Family

ID=5916509

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49746/75A IT1035840B (it) 1974-05-25 1975-05-23 Procedimento e catalizzatori per produrre espansi poliuretanici

Country Status (7)

Country Link
US (1) US4022720A (it)
BE (1) BE829397A (it)
DE (1) DE2425448A1 (it)
FR (2) FR2272115B1 (it)
GB (1) GB1446544A (it)
IT (1) IT1035840B (it)
NL (1) NL7506108A (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080343A (en) * 1976-09-22 1978-03-21 Abbott Laboratories Polyurethane catalyst
DE2732292A1 (de) * 1977-07-16 1979-02-01 Bayer Ag Verfahren zur herstellung von polyurethankunststoffen
DE3039999A1 (de) * 1980-10-23 1982-05-27 Bayer Ag, 5090 Leverkusen N-alkylierte formamide, verfahren zu ihrer herstellung und ihre verwendung
US4463050A (en) * 1982-09-30 1984-07-31 Texaco Inc. Polyurethane catalyst system additive which permits the use of relatively "cold" molds
US4789689A (en) * 1987-10-29 1988-12-06 Texaco Inc. Amine catalyst for urethanes
US6248801B1 (en) 1999-11-12 2001-06-19 Air Products And Chemicals, Inc. Tertiary amine-containing active methylene compounds for improving the dimensional stability of polyurethane foam

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA545416A (en) * 1957-08-27 E. Muller Karl Reacting isocyanates with compounds containing hydroxyl groups in the presence of catalysts
FR1433354A (fr) * 1963-11-22 1966-04-01 Shell Int Research Lubrifiants pour moteur à deux temps
DE1618394C3 (de) * 1967-03-29 1975-08-21 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von nicht-flüchtigen niedermolekularen, tertiäre Aminogruppen enthaltenden Mono- und Polyisocyanaten
US3714249A (en) * 1971-01-22 1973-01-30 Sun Oil Co Hydroxyalkylaminoalkylamides and their preparation
US3922238A (en) * 1974-05-23 1975-11-25 Basf Wyandotte Corp Carbodiimide-isocyanurate foams containing urethane linkages

Also Published As

Publication number Publication date
NL7506108A (nl) 1975-11-27
FR2272115B1 (it) 1979-05-25
BE829397A (fr) 1975-11-24
FR2395255A1 (fr) 1979-01-19
FR2395255B1 (it) 1981-07-10
DE2425448A1 (de) 1975-12-04
GB1446544A (en) 1976-08-18
US4022720A (en) 1977-05-10
FR2272115A1 (it) 1975-12-19

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