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公开(公告)号：DE3838030A1
公开(公告)日：1990-05-10
申请号：DE3838030
申请日：1988-11-09
Applicant: BASF AG
Inventor： HORN PETER DR , REHMER GERD DR , LUTTER HEINZ-DIETER DR , RAMLOW GERHARD DR , HINZ WERNER DR , SCHMIDT HANS ULRICH
IPC: C08F216/14 , C08F218/10 , C08F220/28 , C08F220/58 , C08F222/20 , C08F226/00 , C08F226/06 , C08F290/06 , C08F299/02 , C08G18/40 , C08G18/62 , C08L75/04 , C09K23/52
Abstract: The novel copolymers having K values of from 5 to 80 are prepared by free-radical polymerisation of A) 20 to 80% by weight, based on the total weight of (A) and (B), of at least one olefinically unsaturated polyoxyalkylene alcohol or polyester alcohol adduct, (B) 80 to 20% by weight, based on the total weight of (A) and (B), of at least one vinyl monomer from the group comprising N-vinylformamide, -2-pyrrolidone, -2-piperidone, -2-caprolactam, -imidazole, -2-ethyleneurea and -2-propyleneurea, C) 0.05 to 40 parts by weight of glycidyl acrylate and/or glycidyl methacrylate, D) 0 to 10 parts by weight of at least one alpha , beta -monoolefinically unsaturated acid and E) 0 to 30 parts by weight of at least one olefinically unsaturated carboxamide and/or carboxylate and/or styrene, the parts by weight of (C), (D) and (E) in each case being based on 100 parts by weight of the monomers (A) and (B). The copolymers are used as assistants and/or additives, for example as dispersion and/or emulsification assistants, or as additives for improving the mechanical properties, in formulations for the preparation of polyisocyanate polyaddition products.
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公开(公告)号：AT176254T
公开(公告)日：1999-02-15
申请号：AT95105077
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：DE19643816A1
公开(公告)日：1998-05-07
申请号：DE19643816
申请日：1996-10-30
Applicant: BASF AG
Inventor： SCHERZER DIETRICH DR , HINZ WERNER DR , BRUCHMANN BERND DR , TREULING ULRICH DR
Abstract: The preparation of polyurethane comprises reacting polyisocyanates (A) with compounds (B) containing isocyanate reactive groups, where (A) and (B) are produced from an increase in raw materials. Also claimed are polyurethanes obtained as above.
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公开(公告)号：DK0573873T3
公开(公告)日：1998-02-23
申请号：DK93108756
申请日：1993-06-01
Applicant: BASF AG
Inventor： HINZ WERNER DR , BECKER JOHANNES DR , MALETZKO CHRISTIAN DR , MATZKE GUENTER DR
Abstract: The invention relates to a process for the preparation of compact or cellulose elastomers containing urethane and urea groups by reacting a) at least one organic and/or modified organic polyisocyanate with b) at least one N-propoxylated polyoxyalkylene-polyamine containing at least 50% of secondary amino groups or a mixture of said N-propoxylated polyoxyalkylene-polyamines and polyoxyalkylene-polyamines having 2 to 4 primary amino groups and molecular weights of from 1,000 to 8,000, and c) at least alkyl-substituted aromatic polyamine having a molecular weight of up to 500, in the presence or absence of d) catalysts, and optionally e) blowing agents, f) auxiliaries and/or g) additives. om
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公开(公告)号：ES2110647T3
公开(公告)日：1998-02-16
申请号：ES94106805
申请日：1994-05-02
Applicant: BASF AG
Inventor： HORN PETER DR , HINZ WERNER DR , JUNG LUDWIG
IPC: C08G18/08 , C08G18/00 , C08G18/22 , C08G18/30 , C08G18/32 , C08G18/48 , C08G18/50 , C08G18/65 , C08G18/66 , C08G101/00 , C08J9/00
Abstract: The invention relates to a process for the production of polyurethane foams, preferably semirigid polyurethane foams, having an improved foam structure by reacting a) organic and/or modified organic polyisocyanates with b) polyhydroxyl compounds having at least 2 reactive hydrogen atoms and c) crosslinking agents comprising at least one polyoxyalkylene polyol having a mean functionality of 3 to 8 and a hydroxyl number of from 200 to 1300 ppm, and having an alkali ion content of from 150 to 1200 ppm, in the presence of d) blowing agents, e) optionally catalysts, f) inorganic and/or organic acids as additive and g) optionally auxiliaries.
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Patent Agency Ranking
公开(公告)号：DE59209107D1
公开(公告)日：1998-02-12
申请号：DE59209107
申请日：1992-10-07
Applicant: BASF AG
Inventor： HORN PETER DR , HINZ WERNER DR , KNOBLAUCH GEORG , RAMSTEINER FALKO DR , KNORR GOTTFRIED DR
IPC: A61L29/00 , A61F2/00 , A61L27/34 , A61M5/00 , B01D63/02 , C08G18/02 , C08G18/10 , C08G18/12 , C08G18/48 , C08G18/50 , C08G18/66 , C08G18/76
Abstract: The invention relates to transparent, autoclavable, non-cytotoxic, essentially compact polyurethane embedding compositions which are prepared by reacting a) modified diphenylmethane diisocyanates with b) compounds with at least two reactive hydrogens, which contain or are composed of b1) at least one polyether-polyol with an average functionality of from 3 to 8, a hydroxyl number of from 200 to 1000 and an alkali metal ion content of from 150 to 1200 ppm or, preferably, a mixture of (b1) and castor oil and/or at least one polyetherpolyol (b2) with a functionality of from 2 to 3, a hydroxyl number of from 90 to 200 and an alkali metal ion content of less than 10 ppm in the presence or absence of c) catalysts and to a process for preparing the polyurethane embedding compositions and to the use thereof for articles used in medicine.
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公开(公告)号：DE19544121A1
公开(公告)日：1997-05-28
申请号：DE19544121
申请日：1995-11-27
Applicant: BASF AG
Inventor： HINZ WERNER DR , GUETTES BERND , HEINRICH HORST
IPC: C08G18/40 , C08G18/42 , C08G18/64 , C08G18/66 , C08G18/10 , C08G18/48 , C08G63/20 , C08G63/91 , C08L75/04
Abstract: Production of compact or cellular polyurethanes (I) containing oligo- and/or polysaccharide involves reacting (a) high molecular compounds with at least 2 reactive hydrogen atoms with (b) organic and/or modified organic polyisocyanates, optionally in the presence of (c) chain extenders and/or crosslinking agents, (d) blowing agents, (e) catalysts and (f) ancillaries. The high molecular compounds (a) comprise (a1) 1-99 wt.% polyol(s) and/or polyoxyalkylene polyamine(s) and (a2) 1-99 wt.% polyester-polyol component (II) obtained by reacting (a21) 10-99 wt.% polyester-polyol(s) (III) with (a22) 1-90 wt.% oligo- and/or polysaccharides (IV), before, during or after production of (III). Also claimed are (I) produced in this way and mouldings made from (I).
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公开(公告)号：ES2088603T3
公开(公告)日：1996-08-16
申请号：ES93102026
申请日：1993-02-10
Applicant: BASF AG
Inventor： HINZ WERNER DR , ZSCHIESCHE RUTH DR , LUTTER HEINZ-DIETER DR , BRUCHMANN BERND DR
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：DE4040464C2
公开(公告)日：1995-01-26
申请号：DE4040464
申请日：1990-12-18
Applicant: BASF AG
Inventor： HINZ WERNER DR , HENN ROLF DR , LEPPKES REINHARD DR
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公开(公告)号：DK0458095T3
公开(公告)日：1995-01-23
申请号：DK91107075
申请日：1991-05-02
Applicant: BASF AG
Inventor： SCHUSTER LUDWIG DR , HINZ WERNER DR , HENN ROLF DR , VORSPOHL KLAUS DR
Abstract: The invention relates to a process for the production of rigid foams containing urethane or urethane and isocyanurate groups by reacting a) polyoxypropylene- or polyoxyethylene-polyoxypropylene-polyols containing secondary hydroxyl groups, having a functionality of from 3.5 to 4.3, a hydroxyl number of from 350 to 650 and a viscosity of from 500 to 2,500 mPa.s at 23 DEG C, prepared by anionic polymerisation of 1,2-propylene oxide or ethylene oxide and 1,2-propylene oxide onto an initiator molecule mixture containing, based on the total weight, a1) from 40 to 80 % by weight of hexanetetrols, a2) from 1 to 30 % by weight of hexanetriols, a3) from 0 to 35 % by weight of glycerol and a4) from 0 to 15 % by weight of sorbitol or mannitol or mixtures thereof, and b) optionally low-molecular-weight chain extenders and/or crosslinking agents with c) organic, optionally modified polyisocyanates, in the presence of d) blowing agents, e) catalysts and optionally f) assistants and/or additives, and to the polyoxypropylene-polyols and polyoxyethylene- polyoxypropylene-polyols which can be used for this purpose.
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