Reactant Contains Ether Linkage Patents (Class 252/182.27)
  • Patent number: 6506813
    Abstract: The invention relates to a polyol composition comprising b1) a polyol where the EO content is at least 50%; b2) a polyol having a primary hydroxyl content of at least 50%; b3) an amine-initiated polyoxypropylene polyol having an OH value greater than 400, according to the following proportions: b1: 20-70 wt %, b2: 5-50 wt %, b3: 5-50 wt %. The invention also relates to a process for preparing a cold-setting flexible polyurethane foam at NCO index of 70-120 by reacting a) a polyisocyanate; the polyols b1), b2) and b3); c) water; and d) additives and auxiliaries known per se. The invention finally relates to a reaction system comprising A) a polyisocyanate and B) an isocyanate-reactive component comprising the polyols b1), b2) and b3).
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: January 14, 2003
    Assignee: Huntsman International, LLC
    Inventors: Alain Parfondry, Jianming Yu
  • Patent number: 6500359
    Abstract: This invention provides compositions of 1,1,1,3,3-pentafluoropropane, water and at least one hydrocarbon selected from the group consisting of n-pentane, isopentane, cyclopentane and hexane that are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous dielectrics.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: December 31, 2002
    Assignee: Honeywell International Inc.
    Inventors: Leslie Bruce Bement, Mary Charlotte Bogdan, Peter Brian Logsdon, Hang Thanh Pham, Ronald Riegal, David John Williams, Kevin Donald Uhrich
  • Publication number: 20020198275
    Abstract: A formulated resin composition for producing a closed cell rigid polyisocyanate based foam is disclosed. The formulated resin composition for use in a polyurethane froth spraying system includes a hydrofluorocarbon blowing agent, a Mannich polyol, at least one additional polyol, a catalyst system, and a surfactant. The formulated resin composition has a hydroxyl content of at least 400 mg KOH/g and a polyurethane foam produced utilizing the formulated resin composition has a closed cell content of at least 90 percent. The formulated resin composition exhibits a zero ozone depleting potential and produces a polyurethane foam that cures faster than conventional sprayed polyurethane foams.
    Type: Application
    Filed: February 20, 2001
    Publication date: December 26, 2002
    Inventors: Chris Lacarte, Greg Gardin, Thomas Harris
  • Patent number: 6491846
    Abstract: This invention relates to a process for the in-situ production of a blend of a polyether monol and a polyether polyol. This process comprises introducing a monol (Si) and a double metal cyanide (DMC) catalyst into a reaction vessel, feeding an epoxide mixture into the vessel and allowing the epoxide to react with the initial starter and continuing to polymerize by feeding epoxide until the equivalent weight of the monol reaches the desired level, then continuously adding a polyfunctional starter (Sc) to the reaction vessel while continuing to feed an epoxide mixture, completing addition of the starter, and allowing the mixture to continue to polymerize until the resultant blend of polyether monol and polyether polyol has an average equivalent weight of from about 350 to about 750, and an average functionality of from about 2 to about 4. In-situ polymerized blends of a polyether monol and a polyether polyol are also part of the present invention.
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: December 10, 2002
    Assignee: Bayer Antwerpen, N.V.
    Inventors: Jack R. Reese, II, Stanley L. Hager
  • Publication number: 20020169228
    Abstract: 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.
    Type: Application
    Filed: March 9, 2001
    Publication date: November 14, 2002
    Inventors: Robert E. Riley, Walter R. White, Jim Patterson
  • Patent number: 6472446
    Abstract: 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.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: October 29, 2002
    Assignee: BASF Corporation
    Inventors: Robert E. Riley, Walter R. White, III, Jim Patterson
  • Patent number: 6461536
    Abstract: A polyester polyol composition comprising a phthalic anhydride-initiated polyester polyol, a C4-C6 hydrocarbon blowing agent, and an oxyethylated fatty acid or fatty alcohol compatibilizing agent having an HLB of from about 7 to about 12. The blowing agent is soluble in the polyol composition, thereby reducing the risks associated with such blowing agents in processes for making rigid polymer foam articles and providing rigid foams having good dimensional stability and improved insulation properties.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: October 8, 2002
    Assignee: BASF Corporation
    Inventors: Joe C. Wilson, Jimmy L. Patterson, James S. Dailey, Walter R. White, III, Robert E. Riley
  • Patent number: 6448369
    Abstract: This invention provides a method for preparing, in high purity and high yield, heterobifunctional derivatives of poly(ethylene glycol) or related polymers. A chromatographic purification step is not necessary in the method. In accordance with the method of the invention, an intermediate polymer having a formula of W-Poly-OH is provided bearing a removable group W at one terminus. The intermediate polymer W-Poly-OH is first altered by modifying the OH group to a first functional group X, followed by the removal of W to generate a second hydroxyl group. The latter hydroxyl group may then be further converted to a second functional group Y, thus providing the desired heterobifunctional derivative.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: September 10, 2002
    Assignee: Shearwater Corporation
    Inventors: Michael David Bentley, J. Milton Harris, Antoni Kozlowski
  • Publication number: 20020123535
    Abstract: A polyol solution containing one or a combination of a benzoate glycol adduct, a substituted benzoate glycol adduct, a napthenate glycol adduct, a substituted naphthenate glycol adduct, a toluate glycol adduct, or a substituted toluate glycol adduct, and a closed cell, rigid polymer foam formed as a reaction product of the polyol solution, which foam comprises the reaction product of a polyisocyanate and an isocyanate-reactive component in the presence of a catalyst and a hydrogen-containing blowing agent or mixture of hydrogen-containing blowing agents, wherein the isocyanate-reactive component comprises a mixture of a hydroxy terminated polyester and a polyester comprised of the benzoic acid glycol adduct, toluic acid glycol adduct, or napthoic acid glycol adduct Foams prepared from the mixture have superior thermal conductivity, lower flammability, and higher stability of the emulsified liquid reactants prior to polymerization.
    Type: Application
    Filed: December 21, 2000
    Publication date: September 5, 2002
    Inventors: Carina Araullo-McAdams, John Canaday, Kelly Brown
  • Patent number: 6433031
    Abstract: The invention provides a high molecular weight polyol comprising dispersed therein the reaction of a polyisocyanate and low molecular weight polyol where said low molecular weight is a mixture of an alkanolamine with a polyethylene glycol having a molecular weight of less than 600. The invention also provides a method of making a polyurethane foam by reacting a polyisocyanate and a polyol using a blowing agent, where the polyol comprises the polyol of the invention. The invention also relates to the foam, especially the flexible foam, obtained by the process of the invention.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: August 13, 2002
    Assignee: Huntsman International LLC
    Inventor: Dirk R L Ramael
  • Patent number: 6423759
    Abstract: A co-initiated polyether polyol is produced by suspending a solid polyhydroxyl compound in an amine-initiated polyol, heating the suspension and alkoxylating the heated suspension. These co-initiated polyether polyols are particularly useful for the production of polyurethanes.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: July 23, 2002
    Assignee: Bayer Corporation
    Inventors: Steven L. Schilling, Herman P. Doerge, Edward E. Ball, Keith J. Headley
  • Patent number: 6414046
    Abstract: The invention relates to polyurethane and polyisocyanurate closed-cell foams. More particularly, the invention relates to polyurethane and polyisocyanurate closed-cell foams prepared with a blowing agent comprising 1-chloro-1,2,2,2-tetrafluoroethane (HCFC-124) and 1,1-dichloro-1-fluoroethane (HCFC-141b). Foams prepared with the blowing agent of the invention possess improved thermal performance.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: July 2, 2002
    Assignee: Honeywell International Inc.
    Inventors: Mary Charlotte Bogdan, Leslie Bruce Bement, Peter Brian Logsdon, David John Williams
  • Publication number: 20020040070
    Abstract: Premixes of a polyol suitable for polyurethane or polyisocyanurate foam preparation and 1,1,1,3,3-pentafluoropropane require no stabilizer to inhibit reaction between the fluorocarbon and the polyol. These premixes are useful for polyurethane and polyisocyanurate foam preparation.
    Type: Application
    Filed: July 25, 1997
    Publication date: April 4, 2002
    Inventors: MARY CHARLOTTE BOGDAN, DENNIS PAUL KONOPA, DAVID JOHN WILLIAMS, ROBERT CHRISTIAN PARKER
  • Patent number: 6348161
    Abstract: The present invention discloses a polyol resin composition containing a polyether polyol blend, a polyester polyol, and a hydrocarbon blowing agent. The polyether polyol blend has at least a diamine initiated polyol, a propylene oxide polyol, and a polyethylene terephthalate initiated polyol having a functionality of from 2.3 to 3.0. The polyester polyol is preferably a phthalic anhydride initiated polyester polyol. The blowing agent is a C4-C6 hydrocarbon. Also disclosed is a method of producing a polyurethane foam combining the above mentioned polyol resin and an isocyanate component.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: February 19, 2002
    Assignee: BASF Corporation
    Inventors: Walter R. White, III, Robert E. Riley, Jimmy L. Patterson, James A. Mullins
  • Patent number: 6346204
    Abstract: Process for preparing a rigid and a flexible polyurethane foam by reacting a polyisocyanate and two different polyols under foam forming conditions, the polyisocyanate being reacted with said polyols in the absence of compounds comprising primary, secondary or tertiary amines. Flexible foams are obtained which do not show a major glass transition temperature between −100° C. and +25° C.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: February 12, 2002
    Assignee: Huntsman International LLC
    Inventor: Berend Eling
  • Patent number: 6346205
    Abstract: Process for making rigid polyurethane or urethane-modified polyisocyanurate foams comprising the step of reacting an organic polyisocyanate composition with an isocyanate-reactive composition comprising a polyester polyol in the presence of an amine catalyst characterised in that the pKa of the conjugated ammonium salt of said amine is less than 12.
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: February 12, 2002
    Assignee: Huntsman International LLC
    Inventors: Thomas Heinrich Sieker, Franco Gabrieli
  • Publication number: 20020010224
    Abstract: A polyester polyol composition comprising a phthalic anhydride-initiated polyester polyol, a C4-C6 hydrocarbon blowing agent, and an oxyethylated fatty acid or fatty alcohol compatibilizing agent having an HLB of from about 7 to about 12. The blowing agent is soluble in the polyol composition, thereby reducing the risks associated with such blowing agents in processes for making rigid polymer foam articles and providing rigid foams having good dimensional stability and improved insulation properties.
    Type: Application
    Filed: February 5, 1999
    Publication date: January 24, 2002
    Inventors: JOE C. WILSON, JIMMY L. PATTERSON, JAMES S. DAILEY, WALTER R. WHITE
  • Patent number: 6339110
    Abstract: Process for the preparation of a rigid polyurethane or urethane-modified polyisocyanurate foam in the presence of a hydrocarbon blowing agent using a tolylenediamine-initiated polyether polyol in an amount of between 10 and 40% by weight based on total isocyanate-reactive compounds.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: January 15, 2002
    Assignee: Imperial Chemical Industries PLC
    Inventors: Andrea Cappella, Werner Hoffmann, Silvio Barettini, Maria Vittoria Franco, Walter Bazzo
  • Patent number: 6316514
    Abstract: Sound-damping and energy-absorbing flexible PUR foams are produced by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if desired, further compounds (c) bearing hydrogen atoms which are reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if desired, further auxiliaries and additives (f).
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: November 13, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Falke, Inge Rotermund, Klaus Schmutzer, Kirsten Schmaler
  • Patent number: 6303732
    Abstract: Novel diol blends are disclosed. The blends are comprised of an aromatic diol portion derived from dihydric phenol and an aliphatic diol portion in a ratio of aromatic to aliphatic of 5:95 to 95:5. The aromatic portion is the reaction product of a dihydric phenol and one or more alkylene carbonates using a stoichiometric excess of carbonate. Methods for preparing these diol blends are also disclosed, as are methods for using these compounds in the preparation of cast elastomers. Cast elastomers prepared from these blends are also disclosed; the elastomers have physical and mechanical properties that make them appropriate for use in many demanding applications.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: October 16, 2001
    Assignee: Indspec Chemical Corporation
    Inventor: Raj B. Durairaj
  • Patent number: 6294107
    Abstract: A polyester polyol composition comprising a phthalic anhydride-initiated polyester polyol, a C4-C6 hydrocarbon blowing agent, and an alkylene oxide modified silicone glycol compatibilizing agent having an HLB of from about 5 to about 8 is disclosed. The blowing agent is soluble in the polyol composition, thereby reducing the risks associated with such blowing agents in processes for making rigid polymer foam articles and providing rigid foams having good dimensional stability and improved insulation properties. An alkylene oxide and isocyanate modified silicone glycol compatibilizing agent is also disclosed.
    Type: Grant
    Filed: July 26, 2000
    Date of Patent: September 25, 2001
    Assignee: BASF Corporation
    Inventors: David D. Peters, Robert E. Riley, Jimmy L. Patterson, Anthony G. Schaefer
  • Patent number: 6274642
    Abstract: Storage-stable, blowing agent-containing halogen-free emulsions for producing rigid foams based on isocyanate comprise a) compounds containing hydrogen atoms which are reactive toward isocyanate groups, b) water, c) physically acting, halogen-free blowing agents and, if desired, d) auxiliaries and/or additives which are customary in polyurethane chemistry, wherein the component a) comprises polyether alcohols having a functionality of greater than 1.5 and a hydroxyl number of from 10 to 100 mg KOH/g in an amount of from 0.2% by mass to 80% by mass, based on the mass of the component a), and the halogen-free, physically acting blowing agents c) used are hydrocarbons having from 3 to 10 carbon atoms.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: August 14, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Udo Rotermund, Anja Biedermann, Renate Hempel, Werner Wiegmann, Marion Heinz
  • Patent number: 6218444
    Abstract: Dispersion polyols which are liquid-liquid dispersions containing a first having a substantially Polyoxypropylene internal block having an equivalent weight in excess of about 700 Da and a high oxyethylene-content external block, and a second polyol which is a substantially polyoxyethylene polyol containing minimally 50 weight percent oxyethylene moieties. The dispersion polyols are stable and exhibit broad processing latitude when preparing hypersoft polyurethane foams. The dispersion polyols are advantageously prepared in situ, preferably in the presence of a double metal cyanide oxyalkylation catalyst.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: April 17, 2001
    Assignee: Bayer Antwerp N.V.
    Inventors: Stanely L. Hager, Jack R. Reese, II