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公开(公告)号：DE59812780D1
公开(公告)日：2005-06-16
申请号：DE59812780
申请日：1998-09-24
Applicant: BASF AG
Inventor： BRUCHMANN BERND DR , LUTTER HEINZ-DIETER DR
Abstract: Cyclic or heterocyclic compounds with at least one reactive hydrogen atom are used as co-reactants in the production of flexible polyurethane (PUR) foam by reacting polyisocyanates with compounds containing at least two isocyanate-reactive hydrogen atoms. An Independent claim is also included for highly elastic and viscoelastic flexible PUR foam made by this process.
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公开(公告)号：ES2127430T3
公开(公告)日：1999-04-16
申请号：ES95105077
申请日：1995-04-05
Applicant: BASF AG
Inventor： BRUCHMANN BERND DR , ZSCHIESCHE RUTH DR , LUTTER HEINZ-DIETER DR , SPANG CLAUDIA DR , HINZ WERNER DR
Abstract: Prodn. of polyurethane foam involves reacting (a) organic and/or modified organic polyisocyanate(s) with (b) polyol(s) of relatively high mol. wt., which contain at least 2 reactive H atoms and (c) opt. low mol. chain extender and/or crosslinker in the presence of (d) blowing agent, (e) catalyst and (f) opt. additives. The novelty is that the catalyst comprises aminoalkyl- or aminophenyl-imidazole cpds. of formula (IA) and/or (IB). In (IA) and (IB), R ,R , R = 1-10C alkyl, 1-4C alkoxy, N-mono- and N,N-di-(1-4C)-alkylamino, N-mono- and N,N-di-(1-4C)-alkylamino-(2-4C)-alkylene, Ph, halogen or H; R = as R except halogen and alkoxy; X = 2-6C alkylene or phenylene; Y = H, 2-4C hydroxyalkyl or hydroxypoly-(2-20C)-oxyalkylene; Z = 1-4C alkyl, Ph or as Y. Also claimed is the use of (IA) and/or (IB), esp. 1-(3-aminopropyl)-imidazole (IC), 1-(3-aminopropyl)-2-methylimidazole (ID) or 1-(3-aminopropyl)-2-ethyl-4-methylimidazole (IE) as catalyst for the prodn. of polyisocyanate polyadducts.
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公开(公告)号：ES2120093T3
公开(公告)日：1998-10-16
申请号：ES95104610
申请日：1995-03-29
Applicant: BASF AG
Inventor： LUTTER HEINZ-DIETER DR , ZSCHIESCHE RUTH DR , MERTES JURGEN DR , BRUCHMANN BERND DR , PITTRICH KLAUS , BRANDT PETER DR
IPC: C08G18/00 , C08G18/08 , C08G18/10 , C08G18/40 , C08G18/48 , C08J9/02 , C08G18/72 , C08G18/76 , C08G101/00 , C08J9/14
Abstract: The prepn. of chlorofluorocarbon (CFC)-free polyurethane soft foams comprises reacting: (A) liq. diphenylmethane diisocyanate-based polyisocyanate mixts. contg. bonded urethane gps.; with (B) high mol. wt. polyhydroxyl cpds.; and (C) opt. low mol. wt. chain extenders and/or cross linking agents; in the presence of (D) propellants; (E) catalysts; and (F) opt. additives. (A) contains 22-30 wt. % NCO gps. and is prepd. by reacting a diphenylmethane diisocyanate/polyisocyanate mixt. (a) contg. 55-99 wt. % diphenylmethane diisocyanate isomers, with at least one trifunctional polyoxypropylene polyol (b) with a hydroxy value of 20-60. (A) are also claimed per se.
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公开(公告)号：DK0555742T3
公开(公告)日：1998-10-07
申请号：DK93101611
申请日：1993-02-03
Applicant: BASF AG
Inventor： LUTTER HEINZ-DIETER DR , BRUCHMANN BERND DR , SPANG CLAUDIA , MINGES ROLAND DR , SCHERZER DIETRICH DR , LUGMAYR MICHAEL , ZSCHIESCHE RUTH DR
IPC: C08G18/10 , C08G18/12 , C08G18/40 , C08G18/48 , C08G18/65 , C08G18/72 , C08G18/76 , C08G101/00 , C08J9/02
Abstract: The invention relates to a process for the preparation of CFC-free flexible polyurethane(moulded) foams by reacting A) liquid polyisocyanate mixtures containing bonded urethane groups and containing from 20 to 30% by weight of NCO groups, themselves prepared by reacting a mixture of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates (crude MDI) with a polyether-polyol mixture having a hydroxyl number of from 120 to 25 comprising at least one polyoxypropylene glycol and at least one trifunctional polyoxypropylene polyoxyethylene polyol containing from 90 to 10% by weight of ethylene oxide units or by reacting 4,4'-diphenylmethane diisocyanate (MDI) or an MDI isomer mixture with said polyether polyol mixture to give an NCO-containing quasi-prepolymer, and diluting this quasi-prepolymer with crude MDI, with B) relatively high-molecular-weight polyhydroxyl compounds and optionally C) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of D) blowing agents E) catalysts and optionally F) auxiliaries and/or additives, and to the urethane group-modified polyisocyanate mixtures (A) which can be used according to the invention.
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公开(公告)号：DE59308484D1
公开(公告)日：1998-06-10
申请号：DE59308484
申请日：1993-02-03
Applicant: BASF AG
Inventor： LUTTER HEINZ-DIETER DR , BRUCHMANN BERND DR , SPANG CLAUDIA , MINGES ROLAND DR , SCHERZER DIETRICH DR , LUGMAYR MICHAEL , ZSCHIESCHE RUTH DR
IPC: C08G18/10 , C08G18/12 , C08G18/40 , C08G18/48 , C08G18/65 , C08G18/72 , C08G18/76 , C08G101/00 , C08J9/02
Abstract: The invention relates to a process for the preparation of CFC-free flexible polyurethane(moulded) foams by reacting A) liquid polyisocyanate mixtures containing bonded urethane groups and containing from 20 to 30% by weight of NCO groups, themselves prepared by reacting a mixture of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates (crude MDI) with a polyether-polyol mixture having a hydroxyl number of from 120 to 25 comprising at least one polyoxypropylene glycol and at least one trifunctional polyoxypropylene polyoxyethylene polyol containing from 90 to 10% by weight of ethylene oxide units or by reacting 4,4'-diphenylmethane diisocyanate (MDI) or an MDI isomer mixture with said polyether polyol mixture to give an NCO-containing quasi-prepolymer, and diluting this quasi-prepolymer with crude MDI, with B) relatively high-molecular-weight polyhydroxyl compounds and optionally C) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of D) blowing agents E) catalysts and optionally F) auxiliaries and/or additives, and to the urethane group-modified polyisocyanate mixtures (A) which can be used according to the invention.
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Patent Agency Ranking
公开(公告)号：DK0482507T3
公开(公告)日：1996-09-02
申请号：DK91117703
申请日：1991-10-17
Applicant: BASF AG
Inventor： LUTTER HEINZ-DIETER DR , ZSCHIESCHE RUTH DR , GABBERT HANS-JUERGEN DR , HAASE VOLKER , FIMMEL KARL
Abstract: The invention relates to a process for the production of flame-resistant soft polyurethane foams which evolve less smoke in the event of fire, by reacting a) organic polyisocyanates and/or modified organic polyisocyanates with b) relatively high-molecular-weight compounds containing at least two reactive hydrogen atoms, and optionally c) chain extenders and/or crosslinking agents, in the presence of d) a mixture of flameproofing agents which contains: di) melamine, dii) expandable graphite and optionally diii) at least one additional other flameproofing agent, preferably a modified or unmodified ammonium polyphosphate, e) blowing agents, f) catalysts, and optionally g) assistants and/or additives, and melamine/expandable graphite/polyether-polyol dispersions which are suitable for this purpose.
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公开(公告)号：AT140017T
公开(公告)日：1996-07-15
申请号：AT93102026
申请日：1993-02-10
Applicant: BASF AG
Inventor： HINZ WERNER DR , ZSCHIESCHE RUTH DR , LUTTER HEINZ-DIETER DR , BRUCHMANN BERND DR
IPC: C08G18/10 , C08G18/48 , C08G18/76 , C08G18/80 , C08G101/00
Abstract: The invention relates to a process for the production of CFC-free flexible (moulded) polyurethane foams of low density by reacting A) liquid polyisocyanate mixtures containing bonded urethane groups and containing from 22 to 30% by weight of NCO groups, these mixtures themselves being prepared by reacting a mixture of diphenylmethane diisocyantes and polyphenylpolymethylene polyisocyanates (crude MDI) with at least one polyoxypropylene-polyoxyethylene-polyol having a functionality of from 2.5 to 3.5, a hydroxyl number of from 50 to 90 and a content of polymerised ethylene oxide groups of from greater than 30 to less than 50% by weight, based on the weight of polymerised ethylene oxide and 1,2-propylene oxide groups, or by reacting 4,4'-diphenylmethane diisocyanate (MDI) or an MDI isomer mixture with said polyoxypropylene-polyoxyethylene-polyol to give an NCO-containing quasi prepolymer and diluting this quasi prepolymer with crude MDI, with B) relatively high-molecular-weight polyhydroxyl compounds and optionally C) low-molecular-weight chain extenders and/or crosslinking agents in the presence of D) blowing agents, E) catalysts and optionally F) auxiliaries and/or additives, and the urethane group-modified polyisocyanate mixtures (A) which can be used according to the invention.
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公开(公告)号：ES2059974T3
公开(公告)日：1994-11-16
申请号：ES90124026
申请日：1990-12-13
Applicant: BASF AG
Inventor： LUTTER HEINZ-DIETER DR , LEPPKES REINHARD DR , HORN PETER DR , DECKER WALTER , HAASE VOLKER , HINZ WERNER DR
Abstract: The invention relates to a process for the production of flexible, soft polyurethane foams having viscoelastic, structure borne soundproofing properties in a temperature range of from -20 DEG C to +80 DEG C, by reacting a) a polyoxyalkylene-polyol mixture containing ai) a block polyoxypropylene-polyoxyethylene-polyol mixture having a hydroxyl number of from 14 to 65 and containing from 2 to 9 % by weight, based on the weight of the polyoxypropylene units, of terminally bonded ethylene oxide units, and prepared by anionic polymerisation at elevated temperature of 1,2-propylene oxide onto an initiator molecule mixture having a mean functionality of from 2.3 to 2.8 comprising water and glycerol and/or trimethylolpropane, and polymerisation of ethylene oxide onto the resultant polyoxypropylene adduct, and aii) at least one difunctional and/or trifunctional polyoxypropylene-polyoxyethylene-polyol containing from 60 to 85 % by weight, based on the total weight of polymerised alkylene oxide units, of oxyethylene units, and having a hydroxyl number of from 20 to 80, and b) optionally low-molecular-weight chain extenders with c) organic and/or modified organic polyisocyanates, in the presence of d) catalysts, e) blowing agents, preferably water, and optionally f) assistants and/or additives, and to the polyoxyalkylene-polyol mixtures (a) which can be used for this purpose.
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公开(公告)号：DE59005527D1
公开(公告)日：1994-06-01
申请号：DE59005527
申请日：1990-12-13
Applicant: BASF AG
Inventor： LUTTER HEINZ-DIETER DR , HINZ WERNER DR , DECKER WALTER , LEPPKES REINHARD W- BOBENHEIM- , REICH ERHARD DR , PETERS REINHARD DR , HAASE VOLKER , LUGMAYR MICHAEL
Abstract: Flexible polyurethane foams having low compressive strength and relatively good tensile strength are prepared by reacting a) a block polyoxypropylenepolyoxyethylenepolyol mixture which has a hydroxyl number of from 14 to 65, contains from 2 to 9% by weight, based on the weight of the polyoxypropylene units, of ethylene oxide units bonded in the terminal position and is prepared by anionic polymerization of the alkylene oxides with an initiator mixture having an average functionality of from 2.3 to 2.8 and consisting of water and glycerol and/or trimethylolpropane, or a mixture of these block polyoxypropylenepolyoxyethylenepolyol mixtures with bi- and/or trifunctional polyoxypropylenepolyoxyethylenepolyols having a hydroxyl number of from 20 to 70, and b) if required, low molecular weight chain extenders with c) organic and/or modified organic polyisocyanates in the presence of d) catalysts, e) blowing agents, preferably water, and if required, f) assistants and/or additives.
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公开(公告)号：DK0433889T3
公开(公告)日：1994-05-30
申请号：DK90124074
申请日：1990-12-13
Applicant: BASF AG
Inventor： HINZ WERNER DR , LUTTER HEINZ-DIETER DR , DECKER WALTER , HAASE VOLKER , LEPPKES REINHARD DR , REICH ERHARD DR , PETERS REINHARD DR , LUGMAYR MICHAEL
Abstract: Flexible polyurethane foams having low compressive strength and relatively good tensile strength are prepared by reacting a) a block polyoxypropylenepolyoxyethylenepolyol mixture which has a hydroxyl number of from 14 to 65, contains from 2 to 9% by weight, based on the weight of the polyoxypropylene units, of ethylene oxide units bonded in the terminal position and is prepared by anionic polymerization of the alkylene oxides with an initiator mixture having an average functionality of from 2.3 to 2.8 and consisting of water and glycerol and/or trimethylolpropane, or a mixture of these block polyoxypropylenepolyoxyethylenepolyol mixtures with bi- and/or trifunctional polyoxypropylenepolyoxyethylenepolyols having a hydroxyl number of from 20 to 70, and b) if required, low molecular weight chain extenders with c) organic and/or modified organic polyisocyanates in the presence of d) catalysts, e) blowing agents, preferably water, and if required, f) assistants and/or additives.
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