Abstract: A formulation system contains: (a) a pre-polymer reaction product of a polymeric isocyanate and a polyether polyol, where: (i) the polymeric isocyanate contains five weight-percent or more methylene diphenyl diisocyanate; (ii) the polymeric isocyanate has a functionality of 3.0 or less; (iii) the polyether polyol is present in the pre-polymer at a concentration of one to 25 weight-percent; (iv) the polyol has an equivalent weight of 50 to 500 grams per equivalent; (v) the ?NCO concentration of the pre-polymer is 15 to 31 weight-percent; (vi) the pre-polymer is free of isocyanate trimers; (b) a polyester polyol component containing 10 to 25 weight-percent of free glycol; and (c) a blowing agent that contains less than five weight-percent water; where the ratio of pre-polymer and polyester result in foam having a trimer content of 12 to 22 weight-percent, and an ?NCO index of more than 300 and less than 700.

Abstract: The present invention relates to coatings, particularly high performance coatings, containing a polyester polyol comprising recurring units derived from a polyacid source, poly(bisphenol-A carbonate) (PBAC), and a glycol. The PBAC is preferably recycled poly(bisphenol-A carbonate) (rPBAC). These coatings provide improved salt spray and stain resistance along with a variety of other coating performance attributes. The polyols can contain a significant recycle and biobased content, making them sustainable alternatives to petroleum based polyols.

Abstract: The present disclosure relates to pyrrolidine-based catalysts for use in a polyurethane formulation. The polyurethane formulation includes the pyrrolidine-based catalyst, a compound containing an isocyanate functional group, an active hydrogen-containing compound. The use of such catalysts produces high quality polyurethane foam while reducing environmental concerns that can arise during the production of polyurethane foam as well as in the foam that is produced.

Abstract: The present invention provides compounds produced by the reaction of glycidyl ethers and glycidyl esters with ether compounds including N,N,N?-trimethyl-bis-(aminoethyl)ether. N,N,N?-trimethyl-bis-(aminoethyl)ether and its derivatives can be used as polyurethane catalysts.

Abstract: To provide a novel cyclic amine compound and a process for producing a polyurethane resin by using it. A 3-hydroxy-1,5-diazabicyclo[3.2.2]nonane represented by the following formula (1), and a process for producing a polyurethane resin by using a catalyst for producing a polyurethane resin, which contains the 3-hydroxy-1,5-diazabicyclo[3.2.2]nonane. When the compound represented by the formula (1) has optical isomers, diastereomers or geometric isomers, the compound includes both a mixture of any of them and an isolated isomer of any of them. [in the above formula (1), each of R1, R2, R3, R4, R5, R6, R7 and R8 which are independent of one another, is a hydrogen atom, a C1-4 alkyl group, a hydroxy group, a hydroxymethyl group or a C1-4 alkoxy group.

Abstract: Compounds of formula I, uses as crosslinking agents or curing agents thereof, and resins obtained by using the compounds as crosslinking agents.

Abstract: This invention relates to a rubber composition comprised of at least one conjugated diene-based elastomer containing triglyceride based algae oil and to a tire with a component thereof.

Abstract: The invention generally pertains to the use of polyurethane foam blown by at least one blowing agent having a boiling point at atmospheric pressure of between ˜5° C. to ˜50° C., including miscible blends thereof, which passes all United States Coast Guard Title 33, Part 183 specifications wherein the buoyant force of the froth polyurethane or polyisocyanurate foam is not reduced more than 5% after exposure to being immersed in a fully saturated gasoline vapor atmosphere, in reference fuel B, in reference oil No. 2, and in a 5% solution of Na3PO4.

Abstract: Polyurethane foam compositions and processes to make flexible polyurethane foams are disclosed. Polyurethane foam is produced in the presence of additives comprising guanidine derivatives. Improvements in physical properties such as air flow, dimensional stability, tensile, tear, elongation and foam hardness is observed when these additives are present in polyurethane formulations. In addition, these additives can minimize polymer degradation under humid ageing conditions resulting in foam products with better mechanical properties.

Abstract: Synthetic schemes for preparation of polymers and polymer precursors having various functional groups is provided. These synthetic schemes are used to prepare polymeric, oligomeric, or monomeric materials incorporating 1,3,5-hexahydrotriazine moieties. These hexandortriazine moieties can be further reacted to form dithiazine and thioether moieties. In certain synthetic schemes, 1,3,5-hexahydrotriazine moieties are incorporated as crosslinker groups for providing crosslinked polymeric materials. Crosslinker groups formed with these triazine moieties provide chemically reversible crosslinks, which allow such otherwise intractable crosslinked polymeric materials to be recycled and/or reprocessed by removal/reversal of crosslinks.

Abstract: Synthetic schemes for preparation of polymers and polymer precursors having various functional groups is provided. These synthetic schemes are used to prepare polymeric, oligomeric, or monomeric materials incorporating 1,3,5-hexahydrotriazine moieties. These hexandortriazine moieties can be further reacted to form dithiazine and thioether moieties. In certain synthetic schemes, 1,3,5-hexahydrotriazine moieties are incorporated as crosslinker groups for providing crosslinked polymeric materials. Crosslinker groups formed with these triazine moieties provide chemically reversible crosslinks, which allow such otherwise intractable crosslinked polymeric materials to be recycled and/or reprocessed by removal/reversal of crosslinks.

Abstract: The present invention provides novel polymeric amine compositions employing amine compounds having multiple tertiary amine groups. Methods of making these new compositions are also disclosed. Amine compositions and amine-epoxy compositions employing the polymeric amine compositions of the present invention are also provided.

Abstract: Processes are described for preparing polyurethane polymers by reacting an isocyanate with an alcohol using a non-tin based catalyst having the formula where R1, which are identical or different, are a fluoroalkyl, monovalent alkyl, cycloalkyl, (cycloalkyl)alkyl, or the ring of the cycloalkyl group that optionally comprises at least one heteroatom, R2 represents a hydrogen atom, an aromatic, arylalkyl, fluoroalkyl, alkylamine, alkylguanidine, monovalent alkyl, cycloalkyl or an alkyl group substituted by an optionally substituted ring, which optionally comprises at least one heteroatom, and R3 represents an arylalkyl, fluoroalkyl, alkylamine, alkylguanidine, monovalent alkyl, cylcoalkyl, or alkyl group substituted by an optionally substituted ring which optionally comprises at least one heteroatom, when the R2 radical is not a hydrogen atom, the R2 and R3 radicals optionally being linked to form a 3 to 7 membered optionally substituted aliphatic ring, and the R1, R2 and R3 radicals do not comprise a silico

Abstract: The present invention relates to a cleaning implement based on melamine formaldehyde foams comprising, abrasive particles and to a method of cleaning a hard surface with said cleaning implement.

Abstract: To provide a method for producing a low-odor polyester-type flexible polyurethane foam which is excellent in formability and free from scorch in the interior of the foam, and further discharges substantially no volatile amine compound from a product, in the production of a polyester-type flexible polyurethane foam, and to provide a catalyst composition to be used for the production method.

Abstract: A viscoelastic foam system is provided having an amine-based polyoxypropylene extended polyol to impart strength, recoverability and endurance to the foam, and an appropriately selected non-amine-based polyol to provide flexibility to the foam. The combination of amine-based propylene oxide extended polyol and non-amine-based polyol provides a viscoelastic semi-rigid foam with excellent impact and recovery properties, recovering to substantially 100% of its initial volume and shape following an impact, yet with sufficient rigidity and stiffness so that it is effective at absorbing multiple impacts. A method of making the above viscoelastic foam is also provided.

Abstract: An expandable polyurethane composition includes (A) polyisocyanate, (B) active hydrogen containing compound including (B1) polyol and (B2) water, a catalyst, and (C) one or more plasticizers selected from the group consisting of a monoester compound, a diester compound, a triester compound, and a tetraester compound by 0.5 to 20 parts by mass relative to 100 parts by mass of the (B1) polyol. A flexible polyurethane foam can be obtained of which wet set is improved and feeling is good.

Abstract: The present invention describes cyclic amine compounds useful for catalysts for polyurethane form-forming compositions. The cyclic amine compounds of the invention provide distinct benefits for reaction compositions, methods, and polyurethane foams based on their desirable physical and catalytic properties.

Abstract: A conventional flexible polyurethane foam, made using methylene diphenyl diisocyanate (MDI), having a bulk foam density in the range of 2.5 pounds per cubic foot or lower and having a foam hardness or IFD in the range of 10 to 90 lb/50 in2. The present invention is also directed to the method for the making thereof.

Abstract: Provided are microalgal oils having a low polyunsaturated fatty acid profile and derivatives of the oils, including acids, esters, epoxides, hydroxylated acids and esters, urethanes, amides, and polymers thereof. Also provided are compositions comprising the oils and their derivatives and their uses in foodstuffs and in industrial and material applications. The compositions include flexible polyurethane foams prepared from the microalgal oils.

Abstract: A high resilience flexible polyurethane foam, made using methylene diphenyl diisocyanate (MDI), having a bulk foam density in the range of 2.5 pounds per cubic foot or lower and having a foam hardness or IFD in the range of 10 to 40 lb/50 in2. The present invention is also directed to the method for the making thereof.

Abstract: The invention provides a process for producing rigid polyurethane-polyisocyanurate foams using polyols having a high proportion of secondary hydroxyl end groups. The invention further relates to the rigid polyurethane-polyisocyanurate foams thus obtainable and to the use thereof in the production of composite elements from rigid polyurethane-polyisocyanurate foams and suitable outer layers. The invention further provides the composite elements thus obtainable.

Abstract: An interconnected microcellular material, a method for preparing said material using low-value waste from the paper industry, such as industrial lignin, and the use thereof for the production of items such as catalysts, filters or absorbent elements.

Abstract: In the present invention, a catalyst composition comprising the following amine compounds of (A) and (B) and/or (C) is used and further, a raw material-blended composition further containing a polyol component and water is used. (A) A quaternary ammonium salt represented by the following general formula (1): wherein each of R1 to R3 represents a hydrocarbon group having 1 to 12 carbon atoms, R4 represents an alkyl group or an aromatic hydrocarbon group having 1 to 18 carbon atoms, and X represents an organic acid group having an acid dissociation constant (pKa) of 4.8 or less; (B) A hydrophobic amine compound; (C) A heterocyclic tertiary amine compound.

Abstract: A scorch inhibitor composition for polyurethane foams is composed of (a) one or more derivatized phenolic compounds in an amount of about 60-80% by weight; (b) one or more aromatic amines in the form of a liquid in an amount of about 15-35% by weight; (c) an alkyl-substituted hydroquinone in an amount of about 4-8% by weight, and (d) phenothiazine at 0 to about 1.0% by weight.

Abstract: An isocyanate reactive composition for making a polyurethane foam includes a tertiary amine urethane catalyst comprising a di(C1-C4)alkyl fatty alkyl amine and a polyester polyol. The use of one or more of fatty alkyl tertiary amine serves to reduce hydrolysis of the polyester polyol in the isocyanate reactive composition.

Abstract: Disclosed are a type of catalyst which can catalyse the ring-addition reaction of CO2 and an alkylene oxide at 0˜180° C. under 0.1˜8.0 MPa to produce a corresponding cyclic carbonate, and the preparation thereof. The catalyst is a conjugated microporous macromolecule polymer complexed with cobalt, chromium, zinc, copper or aluminium, and by using the macromolecule catalysts complexed with different metals to catalyse the reaction of CO2 and alkylene oxide at normal temperature and normal pressure, a yield of the corresponding cyclic carbonate of 35%˜90% can be obtained. The catalyst is easy to recover and the re-use of the catalyst has no influence on the yield; additionally, the yield can reach over 90% by controlling the reaction conditions.

Abstract: The present invention relates to a process for producing a thermoformable rigid polyurethane-polyamide foam having a closed-cell content of less than 70%, which comprises mixing (a) an organic polyisocyanate with (b) one or more polymeric compounds having two or more isocyanate-reactive hydrogen atoms, (c) optionally crosslinking and/or chain-extending agents, (d) one or more carboxylic acids having a functionality of 2 or more, (e) a catalyst comprising a Lewis base component, and (f) optionally auxiliaries and additives to form a reaction mixture and reacting this reaction mixture to form the rigid polyurethane-polyamide foam. The present invention further relates to a thermoformable rigid polyurethane-polyamide foam obtained by such a process and also to the use of such a thermoformable rigid polyurethane-polyamide foam for interior lining or engine compartment lining of motor vehicles.

Abstract: A polyol pre-mix composition includes a blowing agent having a halogenated hydroolefin, a polyol, a surfactant, a catalyst composition, and a metal salt. The metal salt may be, for example, a carboxylate, acetylacetonate, alcoholate of a metal selected from the group consisting of Zn, Co, Ca, and Mg. The metal salt may be, for example, a carboxylate and/or alcoholate of a C1-C21 straight chain or branched aliphatic monocarboxylic acid or monoalcohol, such as magnesium formate, zinc octoate, calcium octoate, cobalt octoate, and magnesium octoate, and mixtures thereof. The metal acetylacetonate may be, for example, zinc acetylacetonate, cobalt acetylacetonate, magnesium acetylacetonate, or calcium acetylacetonate. A two-part system for producing a thermosetting foam blend includes (a) a polyisocyanate and, optionally, one or more isocyanate compatible raw materials; and (b) the polyol pre-mix composition.

Abstract: To suppress deterioration of mechanical properties of a foam, by using a polyol system solution stored. A polyol system solution is prepared by using a polyether polyol (A1) having a hydroxy value of from 5 to 45 mgKOH/g and an average number of hydroxy groups of from 2 to 8, obtainable by subjecting an alkylene oxide to ring-opening addition polymerization to an initiator, in the presence of a double metal cyanide complex catalyst, to obtain an intermediate polyol; and subjecting ethylene oxide to a ring-opening addition polymerization in an amount of from 1 to 23 mol per 1 mol of the initiator to the intermediate polyol, in the presence of an alkali metal hydroxide as a polymerization catalyst, and a flexible polyurethane foam is produced by using the polyol system solution.

Abstract: An isocyanate reactive composition for making a polyurethane foam includes a tertiary amine urethane catalyst comprising a di(C1-C4)alkyl fatty alkyl amine and a polyester polyol. The use of one or more of fatty alkyl tertiary amine serves to reduce hydrolysis of the polyester polyol in the isocyanate reactive composition.

Abstract: A stable polyol pre-mix composition comprises a blowing agent, a polyol, a surfactant, and a catalyst composition comprising an oxygen-containing amine catalyst. The oxygen-containing amine catalyst may be, an alkanol amine, an ether amine, or a morpholine group. containing compound such as, 2.(2.dimethylaminoethoxy)ethanol or N.N.N?.trimethylaminoethylethanolamine. A stabilized thermosetting foam blend comprises: (a) a polyisocyanate and, optionally, isocyanate compatible raw materials; and (b) a polyol pre. mix composition. A method for stabilizing thermosetting foam blends comprises combining: (a) a polyisocyanate and, optionally, isocyanate compatible raw materials; and (b) a polyol pre. mix composition. A polyurethane or polyisocyanurate foam having uniform cell structure with little or no foam collapse comprises a mixture of: (a) a polyisocyanate and, optionally, one or more isocyanate compatible raw materials; and (b) a polyol pre-mix composition.

Abstract: Catalyst compositions for use in forming polyurethane products include a gelling catalyst, a trimerization catalyst, and a cure accelerator. The gelling catalyst is a tertiary amine, mono(tertiary amino) urea, bis(tertiary amino) urea, or a combination of any of these. Any known trimerization catalyst may be used. The cure accelerator may be a diol having at least one primary hydroxyl group, and having from five to 17 chain backbone atoms chosen from carbon, oxygen, or both between the hydroxyl groups, provided that at least five of the backbone atoms are carbon. Alternatively or in addition, the cure accelerator may be a polyol having three or more hydroxyl groups, at least two of which are primary, and having molecular weights between 90 g/mole and 400 g/mole. Delayed initiation of the polyurethane-forming reaction and/or reduced demold time for producing the polyurethane part can be obtained by using these catalyst compositions.

Abstract: The present invention provides trimerization catalyst compositions having an ?,?-unsaturated carboxylate salt and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions.

Abstract: Combinations of gelatinous elastomer containing one or more phase change materials, known as “phase change gel”, and polyurethane foam may be made by introducing at least partially cured phase change gel particles comprising plasticized triblock copolymer resin and/or diblock copolymer resin and one or more phase change materials, into a mixture of polyurethane foam-forming components including a polyol and an isocyanate. The phase change gel can be crosslinked to form a cured gelatinous gel, which is then reduced in size before introduction. After the foam-forming components polymerize to make polyurethane foam, the phase change gel particles are discrete visible particles dispersed throughout the foam. The polyurethane reaction is exothermic and can generate sufficient temperature to at least partially melt the styrene-portion of the triblock copolymer resin thereby extending the crosslinking.

Abstract: The present invention provides trimerization catalyst compositions and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions. The catalyst composition is the contact product of at least one ?,?-unsaturated carboxylate salt and at least one second carboxylate salt.

Abstract: The present invention relates to a rigid polyurethane foam comprising reinforcing materials which can be obtained by mixing (a) isocyanates which have a viscosity at 25° C. of less than 500 mPas with (b) compounds having groups which are reactive toward isocyanates, (c) blowing agents comprising water, (d) catalysts and, if appropriate, (e) further additives to form a reaction mixture and applying the reaction mixture to a reinforcing material, wherein the compounds (b) having groups which are reactive toward isocyanates comprise a polyetherol (b1) having a functionality of 4 or more and a viscosity at 25° C. of 10 000 mPas or less and a polyetherol (b2) having a functionality of 3 or less and a viscosity at 25° C. of 500 mPas or less. The present invention further relates to a process for producing such rigid polyurethane foams and the use of the rigid polyurethane foams for the insulation of liquefied natural gas tanks.

Abstract: The present invention provides trimerization catalyst compositions having a sterically hindered carboxylate salt and methods to produce a polyisocyanurate/-polyurethane foam using such trimerization catalyst compositions.

Abstract: A method for producing a rigid polyurethane foam, which comprises reacting a polyol with a polyisocyanate in the presence of an amine catalyst and a blowing agent, wherein as the amine catalyst, at least one amine compound having at least one type of substituent selected from the group consisting of a hydroxyl group, a primary amino group and a secondary amino group in its molecule, or N-(2-dimethylaminoethyl)-N?-methylpiperazine, is used, and as the blowing agent, 1,1,1,3,3-pentafluoropropane (HFC-245fa) and/or 1,1,1,3,3-pentafluorobutane (HFC-365mfc) is used.

Abstract: The present invention provides processes for producing re-bonded polyurethane foam constructs that are useful in applications such as carpet underlayments. According to the invention, a tertiary amine is employed as a catalyst either alone, or preferably in combination with other catalysts in a binder which comprises an organic isocyanate and a polyol. Inclusion of a tertiary amine as a catalyst dramatically increases production throughput.

Abstract: A silicone composition is described that includes components having SiH/SiOH groupings and that can be polymerized/cross-linked by a dehydrogenative condensation reaction in the presence of a non-metal tri- or tetrasubstituted non-silylated guanidine catalyst and requiring a low activation temperature.

Abstract: Disclosed is a method for making a polyurethane closed-cell foam material exhibiting a bulk density below 4 lbs/ft3 and high strength. The present embodiment uses the reaction product of a modified MDI and a sucrose/glycerine based polyether polyol resin wherein a small measured quantity of the polyol resin is “pre-reacted” with a larger quantity of the isocyanate in a defined ratio such that when the necessary remaining quantity of the polyol resin is added to the “pre-reacted” resin together with a tertiary amine catalyst and water as a blowing agent, the polymerization proceeds slowly enough to provide a stable foam body.

Abstract: A silicone composition is described that includes components having SiH/SiOH groupings and that can be polymerized/cross-linked by a dehydrocondensation reaction in the presence of a non-metal catalyst such as non-silylated, pentasubstituted guanidine, requiring a low activation temperature.

Abstract: This invention disclosure relates to a process to make flexible open cell polyurethane foam with optimum mechanical properties and lowest chemical emissions. Using the selection of tertiary amine catalysts together with a group of carboxylic acids according to this disclosure can produce foam products with optimum properties and lowest chemical emanations.

Abstract: The present invention provides trimerization catalyst compositions having at least one carbanion compound and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions.

Abstract: Invention relates to a process for producing viscoelastic flexible polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, wherein as b) a mixture of bi) from 25 to 70% by weight of a hydroxyl-comprising natural oil or fat or a reaction product of a hydroxyl-comprising natural oil or fat with alkylene oxides, bii) from 3 to 30% by weight of at least one polyether having a hydroxyl number of from 100 to 800 mg KOH/g and a functionality of 3-5 selected from the group consisting of polyether prepared by addition of alkylene oxides onto an amine, biii) 20-50% by weight of at least one polyether alcohol having a hydroxyl number of from 10 to 80 mg KOH/g and a functionality of 2-5, where the proportion of ethylene oxide is 5-25% by weight, based on the weight of the polyether alcohol, and at least part of the ethylene oxide is added on at the end of the polyether chain, biv) >0-8% by weight of at least one polyether alcoh

Abstract: Polyurethane foams are made and attached to a substrate having an open cavity, but reacting prepolymer and polyol components in the presence of certain carbamate blowing agents. This process allows for very fast curing, good quality, adherent foamy to be produced on, for example, vehicle parts and assemblies, for acoustical or vibration dampening and for structural reinforcement.

Abstract: A kit for temporarily relieving flood water seep includes a unitized enclosure with segregated containers for a prepolymer and catalyst, respectively. A mixer connected to the unitized enclosure combines the catalyst and prepolymer and a disperser connected to mixer sprays the combined catalyst and prepolymer. The prepolymer and catalyst, in contact with water, forms a pliable solid of density of at least about 7 lb./cu.ft. The kit may be a consumer article, and the polymer can be removable after flooding subsides.

Abstract: A process for producing a rigid polyurethane foam by reacting (a) an organic polyisocyanate with (b) a compound having at least two hydrogen atoms that are reactive toward isocyanate groups, in the presence of (c) a blowing agent, (d) a catalyst and, optionally, (e) an auxiliary or additive. Component (b) contains: one or more high-functionality polyether alcohols having functionalities of 3.5 to 5.5 and a hydroxyl number of 400 to 550 mg KOH/g; one or more polyether alcohols based on aromatic and/or aliphatic amines and having functionalities of 3.5 to 4.5 and a hydroxyl number of 350 to 500 mg KOH/g; one or more polyether alcohols having functionalities of 2 to 4 and a hydroxyl number of 150 to 450 mg KOH/g; one or more low molecular weight chain extenders and/or crosslinkers having functionalities of 2 to 3 and a molecular weight of less than 400 g/mol; and optionally water.

Abstract: To provide a method for producing a rigid polyurethane foam, whereby it is possible to reduce the density without causing deterioration in dimensional stability, and a rigid polyurethane foam. A method for producing a rigid polyurethane foam, which comprises a step of reacting a polyol having a hydroxyl value of from 200 to 800 mgKOH/g with a polyisocyanate compound in the presence of an amino-modified silicone, a catalyst, a blowing agent and a surfactant.