Classifications

• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/08—Processes
  • C08G18/16—Catalysts
  • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
  • C08G18/1825—Catalysts containing secondary or tertiary amines or salts thereof having hydroxy or primary amino groups
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/08—Processes
  • C08G18/09—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
  • C08G18/092—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture oligomerisation to isocyanurate groups
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/08—Processes
  • C08G18/16—Catalysts
  • C08G18/161—Catalysts containing two or more components to be covered by at least two of the groups C08G18/166, C08G18/18 or C08G18/22
  • C08G18/163—Catalysts containing two or more components to be covered by at least two of the groups C08G18/166, C08G18/18 or C08G18/22 covered by C08G18/18 and C08G18/22
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/08—Processes
  • C08G18/16—Catalysts
  • C08G18/22—Catalysts containing metal compounds
  • C08G18/225—Catalysts containing metal compounds of alkali or alkaline earth metals
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G2110/00—Foam properties
  • C08G2110/0025—Foam properties rigid
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G2110/00—Foam properties
  • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

Definitions

• This invention relates to catalyst combinations useful in the manufacture of
• polyurethane-based foam products More particularly it relates to catalyst
• foam products to promote the reaction between an isocyanate group in one or more
• ethanolamine is available from Huntsman Petrochemical Corporation of Austin, Texas
• JEFFCAT® Z- 110 under the tradename of JEFFCAT® Z- 110, and has the structure:
• trimer groups present and form a trimer, for example the trimer of MDI.
• the trimer of MDI for example the trimer of MDI.
• this material is used as a "blowing catalyst" in a foam, and as such is employed primarily to enhance the foam
• trimer groups in a foam should improve the burn properties of an isocyanurate foam.
• one of the components does not itself promote trimer formation to a large extent.
• the present invention provides a catalyst combination useful in the formation
• an amine component that comprises N,N,N'-trimethylaminoethyl-
• the invention also provides a process
• an amine component comprising N,N,N'-trimethylaminoethyl-
• FIG. 1 is a graphical representation of the trimer content in a plurality of foam-
• FIG. 2 is a graphical representation of the increase in trimer content during the course
• FIG. 3 is a graphical representation of the decrease in isocyanate content during the
• FIG. 4A is a graphical representation of the increase in trimer content during the
• FIG. 4B is a graphical representation of the increase in trimer content during the
• FIG. 4C is a graphical representation of the increase in trimer content during the
• FIG. 5A is a graphical representation of the decrease in isocyanate content during the
• FIG. 5B is a graphical representation of the decrease in isocyanate content during the
• FIG. 5C is a graphical representation of the decrease in isocyanate content during the
• the present invention employs JEFFCAT® Z-l 10 with at least one
• JEFFCAT® Z-l 10 can be used in combination with
• blowing agents can also be present in the formulation, as the use of such
• blowing agents is known to those skilled in the art, such as: non-CFC-containing
• blowing agents water, HCFC's and CFC-containing blowing agents, with the
• pentanes including: n-pentane, cyclopentane, neopentane, isopentane, and mixtures
• blowing agent being especially-preferred as blowing agent.
• the heated probe was started at room temperature, and
• foam formulations were made and poured in identical fashion, except for the catalyst
• base polyol, B-component was made by combining: 100 parts by weight (“pbw”) STEPHANOL® PS-2352 with 20 pbw EXXSOL® 1600, 2.5 pbw B-8477, and 0.5
• B-8477 is a modified siloxane material sold by Goldschmidt AG of
• the catalyst was added to the base polyol and mixed until homogeneous.
• isocyanate-derived foam is expressed as the ratio of the number of isocyanate groups to
• a master polyol blend was made using the following amounts of the specified
• Catalyst A Catalyst B
• “Cream Time” is the amount of time elapsed between initial mixing of the
• the foam was mixed for seven seconds, and then poured on top of the
• JEFFCAT® Z-l 10 makes more effective utilization of the isocyanate in the foam than
• JEFFCAT® Z-l 10 significantly increases the trimer content of a foam, and increases the
• EXXOL®1600 available from Exxon Chemical Corp., and which contains a mixture of
• PIR polyisocyanurate
• catalyst combination according to the invention may be employed can consist of any
• RUBINATE® M RUBINATE ® 1850 RUBINATE®
• Aromatic polyisocyanates such as toluene diisocyanate, diphenylmethane-4,4'-
• polymeric MDI and the like aliphatic polyisocyanates such as
• hexamethylenediisocyanate and the like hexamethylenediisocyanate and the like; alicyclic polyisocyanates such a
• denatured isocyanate such as carbodiimide denatured substances
• polyisocyanates thereof may include
• aliphatic isocyanates of the type described in U.S. Pat. No. 4,748,192. These include
• aliphatic diisocyanates and, more particularly, are the trimerized or the biuretic form
• an aliphatic diisocyanate such as hexamethylene diisocyanate, or the bifunctional
• Cyclohexane diisocyanate is also to be considered a useful aliphatic
• isocyanate isocyanate.
• Other useful aliphatic polyisocyanates are described in U.S. Pat. No.
• 1,4-tetramethylene diisocyanate are also useful.
• cycloaliphatic diisocyanates are also useful.
• JEFFCAT® TAP JEFFCAT®
• JEFFCAT® PM JEFFCAT® M-75, JEFFCAT® MM-20, JEFFCAT® MM-27,
• TMR®2, TMR®3, TMR®4 or any material that is known to those skilled in the art as
• TMR® is a registered trademark of Air Products and Chemicals, Inc., of Allentown,
• Polyols useful in providing a foam according to the present invention include
• aromatic polyesterpolyols amino polyols, mannich polyols, sucrose-derived polyols,
• Polyetherpolyols include, for example,
• polyhydric alcohols such as glycols, glycerin, pentaerythritol, and sucrose; aliphatic
• amine compounds such as ammonia, and ethyleneamine; aromatic amine compounds
• Polymer polyol is exemplified by a reaction product of said
• polyetherpolyol with ethylenic unsaturated monomer such as butadiene, acrylonitrile
• Polyesterpolyols include those which are produced from a dibasic acid and a
• polyhydric alcohol such as, for example, polyethyleneadipate and
• polyethyleneterephthalates which may include those products reclaimed from waste
• Blowing agents useful in accordance with the present invention are:
• low boiling point hydrocarbons such as pentane, halogenated
• halogenated ethanes may be used as halogenated hydrocarbons.
• halogenated hydrocarbons Among them,
• chlorofluorocarbon compounds such as trichloromonofluoromethane (R-l l), dichlorotrifluoroethane (R-123), dichloromonofluoroethane (R-141b), R-
• the amount of the foaming agent to be used is
• the stabilizer is selected, for example, from non-ionic
• surfactants such as organopolysiloxanepolyoxyalkylene copolymers, silicone-glycol
• the amount of the stabilizer is not
• invention may be flexible foam, HR foam, semi-rigid foam, rigid foam, microcellular
• foaming agent which is processed in a combined form such as foil, coating, or border
• resins such as polyvinylchloride resin, ABS resin, polycarbonate resin, and the like, metals, glasses, and the like.
• articles of automobiles such as instrument panels, seats, head rests, arm rests, and
• weight values include both the JEFFCAT® Z-l 10 catalyst and any other amine
• organic carboxylic acid salts thereof and organo tin compounds which are usually
• auxiliary catalysts used as co-catalysts may be employed as auxiliary catalysts.
• trimer catalyst present in a composition from which a foam
• trimer structure as such trimer structure is known to those skilled in the art as isocyanurates.
• Trimer catalysts include alkali salts of an carboxylic acids, such as sodium,
• trimer groups react with one another to form an isocyanurate structure.
• catalysts include potassium octoate and potassium acetate.
• certain amines may also function as trimer catalysts, some of which include: JEFFCAT® TR-52
• TMR2® TMR3 which are available from Air Products and Chemicals, Inc.
• Then it may be produced is any temperature in the range from about 25°C to about 200°C.
• psi pound per square inch

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• Chemical & Material Sciences (AREA)
• Health & Medical Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• Organic Chemistry (AREA)
• Polyurethanes Or Polyureas (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=30769016

Family Applications (1)

Country Status (5)

Families Citing this family (7)

Family Cites Families (12)

• 2002
  • 2002-07-18 CN CNA028293312A patent/CN1639240A/zh active Pending
  • 2002-07-18 WO PCT/US2002/022807 patent/WO2004009687A1/en not_active Ceased
  • 2002-07-18 AU AU2002346113A patent/AU2002346113A1/en not_active Abandoned
  • 2002-07-18 EP EP02744874A patent/EP1551909A4/de not_active Withdrawn
  • 2002-07-18 CA CA002493404A patent/CA2493404A1/en not_active Abandoned

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