| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 21 | COMPOSITION COMPRISING STABLE POLYOL MIXTURES | US13495552 | 2012-06-13 | US20130018121A1 | 2013-01-17 | René NAGELSDIEK; Bernd Göbelt; Ralf Hoffmann; Jürgen Omeis; Dorothée Greefrath; Martin Muth |
| Single-phase, liquid compositions, comprising at least two isocyanate-reactive polyol components that are incompatible with each other and, as a mediator additive, at least one copolymer that prevents or delays the separation of the polyol components and that is composed of certain structural units, of which certain structural units have no acidic functional groups and certain structural units have at least one acidic functional group and said structural units are optionally reacted at least partially with at least one preferably organic compound having at least one basic group to produce salt, and to the use thereof to produce polyurethanes or corresponding polyurethane items. | ||||||
| 22 | COMPOSITION COMPRISING STABLE POLYOL MIXTURES | US13223476 | 2011-09-01 | US20120029104A1 | 2012-02-02 | René Nagelsdiek; Bernd Göbelt; Dorothée Greefrath; Christian Biecker |
| Single-phase fluid compositions, comprising at least two isocyanate-reactive polyol components which are inherently incompatible with each other and as a mediator additive at least one copolymer compatibilizer additive effectuating compatibility between the originally incompatible polyol components, said copolymer comprising structural units having at least one nitrogen group which can be protonized. | ||||||
| 23 | Water-blown, flame retardant rigid polyurethane foam | US11292193 | 2005-12-01 | US20070129452A1 | 2007-06-07 | Jan Clatty; Donald McCalmon |
| The present invention provides a flame-retardant polyurethane foam made with non chlorofluorocarbon/hydrogenated chlorofluorocarbon-containing blowing agents and without trimethylolpropane-based polyols that achieves a Class I rating as determined by a modification of the ASTM E-84 tunnel test and may find application in electronic cabinetry, architectural decorative moldings, and interior transportation vehicle walls. | ||||||
| 24 | Polyester-polyether block copolymers | US10110297 | 2002-04-10 | US06753402B1 | 2004-06-22 | Stephan Bauer; Georg Heinrich Grosch; Gerlinde Tischer; Kathrin Harre; Eva Baum; Thomas Ostrowski; Reinhard Lorenz; Regina Pretzsch; Michael Pcolinski; Stefan Dinsch; Inge Rotermund |
| Polyester-polyether block copolymers can be prepared by catalytic addition of alkylene oxides onto H-functional initiator substances, using polyester alcohols as H-functional initiator substances and multimetal cyanide compounds as catalysts. | ||||||
| 25 | PHASE STABLE POLYOL COMPOSITION CONTAINING HYDROCARBON AS THE BLOWING AGENT | US09803343 | 2001-03-09 | US20020169228A1 | 2002-11-14 | Robert E. Riley; Walter R. White III; Jim Patterson |
| The present invention discloses a phase stable polyol blend composition containing a sucrose and dipropylene glycol co-initiated propylene oxide polyether polyol, a polyester polyol, a compatibilizing agent and a hydrocarbon blowing agent. The polyester polyol is preferably a phthalic anhydride-initiated polyester polyol. The compatibilizing agent is a butanol-initiated propylene oxide polyether surfactant. | ||||||
| 26 | Phase stable polyol composition containing hydrocarbon as the blowing agent | US09803343 | 2001-03-09 | US06472446B1 | 2002-10-29 | Robert E. Riley; Walter R. White, III; Jim Patterson |
| The present invention discloses a phase stable polyol blend composition containing a sucrose and dipropylene glycol co-initiated propylene oxide polyether polyol, a polyester polyol, a compatibilizing agent and a hydrocarbon blowing agent. The polyester polyol is preferably a phthalic anhydride-initiated polyester polyol. The compatibilizing agent is a butanol-initiated propylene oxide polyether surfactant. | ||||||
| 27 | Three component polyol blend for use in insulating rigid polyurethane foams | US756647 | 1996-11-26 | US5684057A | 1997-11-04 | Walter R. White, III; James A. Mullins; Thomas B. Lee; Keith McLellan; Ronald J. Wierzbicki |
| There is now provided a polyisocyanate based rigid closed cell foam made by reacting an organic isocyanate with a polyol composition in the presence of a blowing agent, where the polyol composition contains at least: a) an aromatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more; b) an aliphatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more; and c) an aromatic polyester polyol having an hydroxyl number of 200 meq. polyol/g KOH or more. The blowing agent is selected from the group consisting of cyclopentane, HFC's, HCFC's, and mixtures thereof in an amount of 5.0 weight percent or more based on the weight of the polyol composition. Preferably, the blowing agent is soluble in the polyol composition without sacrificing, and advantageously improving, the thermal insulation and dimensional stability of the resulting polyurethane foam. Also disclosed are a storage stable polyol composition and methods for making a polyisocyanate based rigid closed cell foam. | ||||||
| 28 | Three component polyol blend for use in insulating rigid polyurethane foams | US756650 | 1996-11-26 | US5677359A | 1997-10-14 | Walter R. White, III; James A. Mullins; Thomas B. Lee; Keith McLellan; Ronald J. Wierzbicki |
| There is now provided a polyisocyanate based rigid closed cell foam made by reacting an organic isocyanate with a polyol composition in the presence of a blowing agent, where the polyol composition contains at least: a) an aromatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more; b) an aliphatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more; and c) an aromatic polyester polyol having an hydroxyl number of 200 meq. polyol/g KOH or more. The blowing agent is selected from the group consisting of cyclopentane, HFC's, HCFC's, and mixtures thereof in an amount of 5.0 weight percent or more based on the weight of the polyol composition. Preferably, the blowing agent is soluble in the polyol composition without sacrificing, and advantageously improving, the thermal insulation and dimensional stability of the resulting polyurethane foam. Also disclosed are a storage stable polyol composition and methods for making a polyisocyanate based rigid closed cell foam. | ||||||
| 29 | Heat-resistant reinforced foam | US442622 | 1995-05-17 | US5622777A | 1997-04-22 | Michael P. Dempsey |
| This invention relates to a process for preparing a heat-resistant reinforced polyurethane/polyurea foam by(A) preparing, at an isocyanate index of about 100 to about 115, a foamable reaction mixture comprising(a) an organic polyisocyanate;(b) 0 to about 80% by weight, based on the total amount of components (b), (c), and (d), of an isocyanate-reactive compound containing two or more isocyanate-reactive groups and having a number average molecular weight of from 400 to about 10,000;(c) about 10 to about 90% by weight, based on the total amount of components (b), (c), and (d), of an isocyanate-reactive compound containing two or more isocyanate-reactive groups other than amino groups and having a molecular weight of from 32 to 399; and(d) about 5 to about 35% by weight, based on the total amount of components (b), (c), and (d), of certain organic amines containing at least one amino group having a moderated reactivity toward the organic polyisocyanate, as indicated by a gel time exceeding about 5 seconds measured from the material initiation time at 25-40.degree. C., and having a number average molecular weight of from 86 to 400; and(B) introducing foamable reaction mixture (A), while said reaction mixture (A) is still fluid, into a mold containing about 12 to about 35% by weight of a fibrous mat having a weight per unit area of about 225 g/m.sup.2 to about 750 g/m.sup.2. | ||||||
| 30 | Method of making insulating rigid polyurethane foams | US548362 | 1995-11-01 | US5525641A | 1996-06-11 | Walter R. White, III; James A. Mullins |
| There is now provided a method for making a polyisocyanate based rigid closed cell foam made by reacting an organic isocyanate with a polyol composition made up of at least:a) an aromatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more;b) an aliphatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more in an amount of 10 weight percent or less based on the weight of the polyol composition; andc) cyclopentane,wherein the cyclopentane is dissolved in the polyol composition. The organic isocyanate and the polyol composition are reacted at an isocyanate index ranging from 80 to less than 150, and throughout this isocyanate index range, the resulting foam has a substantially constant k-factor and is dimensionally stable. | ||||||
| 31 | Two-component polyurethane reactive compositions | US976078 | 1992-11-13 | US5384385A | 1995-01-24 | Rainer Trinks; Otto Ganster; Heinrich Konigshofen |
| Disclosed herein are two-component polyurethane reactive compositions containing polyisocyanates and components carrying active hydrogen which are stabilized against separation with a compound in solution containing a NH group or NH.sub.2 group and a C--N multiple bond or N--N multiple bond. | ||||||
| 32 | Plastic skin cladded polyurethanes having improved surface appearance | US998338 | 1992-12-30 | US5300531A | 1994-04-05 | Laura B. Weaver |
| Certain fatty acid amides can be included in plastic skin clad polyurethane formulations to increase adhesion between the plastic skin and the polyurethane. These adhesion improvers can decrease or prevent blister formation in plastic skin clad polyurethanes. Additionally, the adhesion improvers can compatibilize certain extenders with base polyols and improve mold release properties. | ||||||
| 33 | Method of stabilizing blends of melamine and polyols | US76524 | 1993-06-14 | US5269969A | 1993-12-14 | Edmund J. Madaj; Josef Sanders; Robson Mafoti |
| The present invention relates to a stabilized composition containing a polyol/melamine and an effective stabilizing amount of an amine terminated polyether. | ||||||
| 34 | Thermal break systems | US410211 | 1989-09-21 | US5137788A | 1992-08-11 | Jan L. R. Clatty; Neil H. Nodelman; Robert M. Loring; Michael F. Palmosina, II |
| Homogeneous storable mixtures containing small quantities of a potassium halide, having a high mixed hydroxyl number or mixed hydroxyl/amine number and an average functionality of at least 2.0 are made by mixing (a) a polyoxyalkylene polyol and/or polyolamine and/or polyamine based on an alkyloxirane having a molecular weight of from 400 to 12,000 and (b) a low molecular weight polyol which is not completely miscible with (a) wherein these mixtures are reacted with a prepolymer or a polyisocyanate to produce shrink stable thermal break urethanes having good adhesion to substrate properties and wherein the use of such mixtures increases processing flexibility without detrimentally affecting the physical properties of the thermal break urethanes produced. | ||||||
| 35 | Isocyanate-reactive compositions | US541804 | 1990-06-21 | US5134172A | 1992-07-28 | Alfons Bruyninckx; Gabriel Verhelst |
| An isocyanate-reactive composition comprising:(1) a first isocyanate-reactive compound having a functionality of from 2 to about 4 and an average equivalent weight of from about 750 to about 3000.(2) a second isocyanate-reactive compound which is normally immiscible with the first isocyanate-reactive compound and has a functionality of at least 2 and an average equivalent weight of at least 30, and(3) a miscibilizing amount of dispersed polyurethane and/or polyurea particles. | ||||||
| 36 | Aromatic polyalkyleneoxy polyamines containing amioncarbonyl or aminothiocarbonyl moieties and a compatible mixture of high and low molecular weight polyols made therefrom | US301780 | 1989-01-25 | US4950789A | 1990-08-21 | Benny G. Barron |
| Aromatic polyalkyleneoxy polyamines which are the reaction products of an aminocarbonyl, a polyalkyleneoxy polyamine, and aromatic diamines are useful in reaction injection molding processes to enhance the physical properties of the products produced. In addition, the polyamines of this invention are also useful as compatiblilizing agents in RIM systems to compatibilize mixtures of high molecular weight and low molecular weight polyols. | ||||||
| 37 | Use of monohydric alcohols in molded polyurethane resins | US210958 | 1988-06-24 | US4863994A | 1989-09-05 | Donald L. Nelson; Douglas P. Waszeciak |
| Disclosed are novel active hydrogen compositions comprising: (1) a polymeric polyol; (2) a low equivalent weight cross-linking polyol; (3) optionally a second polyol having an equivalent weight up to about 500; and (4) a sufficient amount of a monohydric alcohol of equivalent weight up to about 1,500 to provide a monophase low viscosity blend.Also disclosed are the molded polyurethanes produced from the above compositions, and, particularly high strength mat molded reaction injection molded parts. | ||||||
| 38 | Storage stable blend comprising a long chain polyol, a short chain diol and a urethane | US185252 | 1988-04-20 | US4839087A | 1989-06-13 | Timothy A. Tufts |
| Disclosed is a storage stable blend of a long chain polyol and a short chain diol wherein the diol is present in an amount whereby the diol and polyol form an incompatible blend. The blend is rendered storage stable by the addition of a compatibilizing amount of a urethane. | ||||||
| 39 | Production of polyurethane moldings by the reaction injection molding process | US76827 | 1987-07-23 | US4792576A | 1988-12-20 | Neil H. Nodelman |
| The present invention is directed to a process for the production of polyurethane moldings by reacting a reaction mixture comprising(a) an organic polyisocyanate(b) a compatible polyol blend comprising(i) at least one polyether polyol having an hydroxyl functionality of from 2 to 8, and a molecular weight of from 350 to below 1800, and(ii) at least one hydroxyl functional organic material containing from 2 to 8 hydroxyl groups and having a molecular weight below 350, components (i) and (ii) being used in a weight ratio of component (b)(i) to (b)(ii) of from about 10:1 to about 1:10, and(iii) no more than 45% by weight based on the weight of component (b) of an active hydrogen containing compound having a molecular weight of 1800 or more,said reaction mixture being processed as a one-shot system by the RIM process at an isocyanate index of from about 70 to about 130. | ||||||
| 40 | Storage stable polyol compositions | US52935 | 1987-05-22 | US4755321A | 1988-07-05 | Christopher T. Moss; Gary E. Kimes; Timothy A. Tufts |
| Disclosed is a storage stable blend of a long chain polyol and a short chain glycol wherein the glycol is present in an amount whereby the glycol and polyol form an incompatible blend. The blend is rendered storage stable by the addition of a compatibilizing amount of a salt wherein the salt is formed from a metal having a charge density of from about 1.25 to about 1.45. | ||||||
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