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公开(公告)号：ID17935A
公开(公告)日：1998-02-12
申请号：ID971545
申请日：1997-05-09
Applicant: BASF AG
Inventor： VOLKERT OTTO , PITTRICH KLAUS
Abstract: Elastic polyurethane moldings having a compact surface and a cellular core are produced by reactinga) modified organic polyisocyanates withb) at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms and, if desired,c) low molecular weight chain extenders in the presence ofd) blowing agents,e) catalysts and, if desired,f) customary auxiliaries and/or additivesin a closed mold with compaction, wherein the modified organic polyisocyanate used is at least one reaction product of pure MDI and at least one polyether alcohol (polyoxyalkylene polyol), the modified organic polyisocyanate having an NCO content of
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公开(公告)号：CA2086997C
公开(公告)日：1997-11-11
申请号：CA2086997
申请日：1993-01-08
Applicant: BASF AG
Inventor： VOLKERT OTTO
IPC: C08G18/08 , C08G18/00 , C08G101/00 , C08J9/14 , C08L75/04
Abstract: The invention relates to a process for the production of rigid polyurethane foams using a specific blowing agent mixture of highly fluorinated and/or perfluorinated organic compounds, cyclopentane and, if desired, aliphatic and/or further cycloaliphatic hydrocarbons having 4 to 8 carbon atoms.
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公开(公告)号：AU4911990A
公开(公告)日：1990-08-16
申请号：AU4911990
申请日：1990-02-06
Applicant: BASF AG
Inventor： FISCH HERBERT , MAEMPEL LOTHAR , VOLKERT OTTO
IPC: C08G18/08 , C08G18/10 , C08L61/10 , C09J175/04 , C08G18/12 , C08G18/32 , C08G18/34 , C08G18/38 , C08G18/30 , C08L75/04
Abstract: Emulsifier-free aqueous polyurethane dispersions are prepared by reacting (a) dihydroxy compounds, (b) diisocyanates and (c) chain extenders to give a prepolymer having terminal isocyanate groups, then reacting the prepolymer with (d) salts of aliphatic aminocarboxylic or -sulfonic acids or amino-containing or hydroxyl-containing tertiary ammonium salts, dispersing the resulting polyurethane in water and, if required, removing the organic solvent by distillation. In the process, an organic condensation resin which is dissolved in a solvent is admixed before the polyurethane obtained is dispersed in water.
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公开(公告)号：CA2000019A1
公开(公告)日：1990-04-15
申请号：CA2000019
申请日：1989-10-02
Applicant: BASF AG
Inventor： VOLKERT OTTO , REICH ERHARD , TINTELNOT DIETER
Abstract: The invention relates to a process for the production of mouldings having a compact outer layer and a cellular core, for example soft, flexible shoe soles, having a density of from 0.4 to 1.0 g/cm , by reacting a) organic and/or modified organic polyisocyanates with b) at least one high-molecular-weight compound containing at least two reactive hydrogen atoms and, if desired, c) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of d) low-boiling aliphatic and/or cycloaliphatic hydrocarbons having 4 to 8 carbon atoms in the molecule, preferably pentanes, as blowing agent, e) catalysts and, if desired, f) assistants and/or additives. l
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公开(公告)号：CA1174777A
公开(公告)日：1984-09-18
申请号：CA383191
申请日：1981-08-04
Applicant: BASF AG
Inventor： CHAKRABARTI SARBANANDA , HUTCHISON JOHN , VOLKERT OTTO
Abstract: Adhesive products comprising an aminoalkyltrialkoxysilane, polyvinyl chloride powder, silicic acid and an organic solvent are employed to attach cover layers to cellular and non-cellular polyurethanes.
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Patent Agency Ranking
公开(公告)号：CA1007595A
公开(公告)日：1977-03-29
申请号：CA187265
申请日：1973-12-03
Applicant: BASF AG
Inventor： VOLKERT OTTO , WIGGER AUGUST , ZUERGER MANFRED , RICHTER PETER
IPC: C08F299/00 , B05D3/06 , C08F283/00 , C08F290/00 , C08G18/00 , C08G18/63 , C08J5/18
Abstract: 1450906 Polyurethane layers; photopolymerizing unsaturated monomers BASF AG 3 Dec 1973 [4 Dec 1972] 55919/73 Headings C3R and C3P Polyurethane layers are prepared by adding a compatible monomer having at least two photocross-linkable C-C multiple bonds or a compatible monomer mixture comprising at least 50% by weight of one of such monomers and not more than 50% by weight of a photopolymerizable monoethylenically unsaturated monomer, and optionally also a photopolymerization initiator, to a liquid polyurethane elastomer forming reaction mixture comprising (A) (i) a polyether, polyester, hydroxypolyether urethane or hydroxypolyester urethane or a mixture thereof with a polyalcohol and/or a diamino and (ii) a diisocyanate or (B) (i) a prepolymer of a hydroxyl compound as defined in (A) and a diisocyanate and (ii) a polyester, polyether, hydroxypolyester urethane, hydroxypolyetherurethane, polyhydric alcohol, or diamine or a mixture of two or more thereof, the resulting mixture containing a major amount of the polyurethane elastomer-forming reaction mixture, applying the resulting mixture to a substrate to form a layer, irradiating the layer with electromagnetic radiation of wavelength less than 0À7 Ám to effect photocrosslinking of the monomer(s) and gelling of the layer and thermally curing the so-treated layer. The layer is suitably formed on a continuously moving substrate and has a thickness of from 0À2 to 5 mm. Conventional polyurethane elastomer-forming reactants are used. The monomer having at least two C-C multiple bonds is preferably an olefinically poly-unsaturated carboxylate, for example a diester of a C 2-6 aliphatic diol and acrylic or methacrylic acid, a triester of a C 3-10 aliphatic triol and acrylic or methacrylic acid, a divinyl ester of a C 2-8 dicarboxylic acid, a diallyl ester of a C 2-8 dicarboxylic acid and a vinyl ester or allyl ester of a C 3-5 olefinically unsaturated monocarboxylic acid. The unsaturated monomers are preferably used in amounts not exceeding 10% weight of the reaction mixture.
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公开(公告)号：DE19914076A1
公开(公告)日：2000-09-28
申请号：DE19914076
申请日：1999-03-27
Applicant: BASF AG
Inventor： VOLKERT OTTO , KREYENSCHMIDT MARTIN , MERZ RUEDIGER , PIETRUSCHKA RAIMUND
Abstract: A reactant for making compact or cellular polyurethanes are di- or tri-functional polyoxypropylenepolyols whose terminal secondary OH groups are linked via a divalent bridging member to diols having only primary OH groups. Process for preparing compact or cellular polyurethanes by reacting (a) at least one compound with at least two active H at with (b) at least one polyisocyanate in the presence of (c) catalysts and optionally (d) blowing agents and (e) assistants and additives, characterized in that component (a) is at least one polyoxypropylene-polyol in which the secondary OH groups are link via a bridging member of formula (I) X -R-X (I) X and X (same or different) = functional groups which are reactive with OH groups; R = a suitable aliphatic, cycloaliphatic or aromatic residue with diols which contain only primary OH groups.
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公开(公告)号：DE59800060D1
公开(公告)日：2000-01-13
申请号：DE59800060
申请日：1998-06-10
Applicant: BASF AG
Inventor： GLUECK GUISCARD , HAHN KLAUS , ROTERMUND UDO , VOLKERT OTTO
Abstract: In the production of rigid polyurethane (PUR) foam with low thermal conductivity by reacting (a) organic and/or modified organic polyisocyanates with (b) compounds containing NOTLESS 2 reactive hydrogen atoms in the presence of (c) blowing agent, (d) catalyst and optionally (e) ancillaries and/or additives, the novelty is that graphite is added to (a) and/or (b). Also claimed is rigid PUR foam produced in this way.
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公开(公告)号：CA2246007A1
公开(公告)日：1999-03-26
申请号：CA2246007
申请日：1998-09-25
Applicant: BASF AG
Inventor： VOLKERT OTTO , BIEDERMANN ANJA , HEINZ MARION , ROTERMUND UDO
Abstract: Fine-celled rigid polyurethane foams are produced by reacting polyisocyanates with compounds containing at least two reactive hydrogen atoms in closed molds, wherein a) the reaction components are loaded with gas under pressure before being introduced into the mold, b) the mold is pressurized before, during or after introduction of the reaction mixture, c) depressurization takes place in the mold after introduction of the reaction mixture into the mold and before the rigid foam has set.
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公开(公告)号：CA2032575C
公开(公告)日：1998-02-24
申请号：CA2032575
申请日：1990-12-18
Applicant: BASF AG
Inventor： VOLKERT OTTO , HINZ WERNER
IPC: C07C69/63 , C07C69/635 , C07C69/65 , C07C69/76 , C07C69/78 , C07C271/14 , C07C271/24 , C07C271/28 , C08G65/32 , C08G65/332 , C08G65/333 , C08G65/337 , C08J9/00 , C08K5/10 , C09K23/42 , C08L75/04 , C08G18/08 , C08J9/14
Abstract: Novel esters containing bonded fluorocarbon and oxypropylenealkylether groups and of the formula or where Rf is straight-chain or branched, partially fluorinated or perfluorinated alkyl of 2 to 10 carbon atoms, partially fluorinated or perfluorinated cycloalkyl of 4 to 8 carbon atoms, perfluorophenyl or perfluoroalkylphenyl where the perfluoroalkyl radical is of 1 to 6 carbon atoms, R is straight-chain or branched alkyl of 1 to 4 carbon atoms and n is an integer from 2 to 70, blowing agent-containing emulsions which have a long shelf life and contain at least one partially fluorinated or perfluorinated (cyclo)aliphatic hydrocarbon of 3 to 8 carbon atoms and/or sulfur hexafluoride, at least one unmodified or modified organic polyisocyanate or a relatively high molecular weight reactive hydrogen compound and at least one of the abovementioned carboxylic or carbamic esters, and the use of these emulsions for the preparation of cellular plastics by the polyisocyanate polyaddition method.
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