Abstract: The alkylene oxide adduct of bis(aminoethyl)ether may be reacted with formaldehyde in the presence of hydrogen and a hydrogenation-dehydration catalyst to produce compounds of the formula ##STR1## where R is hydrogen or lower alkyl of 1 to 4 carbon atoms and R" is methyl or ##STR2## where R is as above. Monocarboxylic acid salts of these compounds show unexpectedly high efficiency as polyurethane catalysts. Smaller amounts of this amine are required to produce foams having the same reaction profile as foams made with prior art amine salt catalysts.

Abstract: Polyurethane foams with excellent physical properties are obtained by using a catalyst composition of a tertiary amine and 2-ethylhexanoic acid.

Abstract: This invention relates to a polyamine composition suited for catalytically effecting reaction between organic polyisocyanate and an active hydrogen compound as measured by the Zerewitinoff method e.g. a polyol, a polyester polyol of polyether in the manufacture of urethane compositions.

Abstract: The alkylene oxide adduct of bis(aminoethyl)ether may be reacted with formaldehyde in the presence of hydrogen and a hydrogenation-dehydrogenation catalyst to produce new compounds of the formula ##STR1## where R is hydrogen or lower alkyl and R" is methyl or ##STR2## These compounds show unexpectedly high efficiency as polyurethane catalysts. Fewer equivalents of this amine are required to produce foams having the same reaction profile as foams made with piror art amine catalysts.

Abstract: Improved rigid urethane and isocyanurate foam compositions having improved fire resistance are described. The urethane foams are based on furan compositions having the formula: ##STR1## and from about 100% to about 500% of a stoichiometric amount of a reactive polyisocyanate to produce a foamable composition, and sufficient blowing agent to create a foam having a density from about 1.5 to about 5 pounds per cubic foot. The product has improved fire resistence. The disclosure also described the method of decreasing the flame hazard potential of a rigid foam by adding two urethane or isocyanurate foaming ingredients the appropriate amount of one or more of the compositions listed above. The polymers described are chiefly made from adding propelyne oxide to bis (hydroxymethyl) furan.

Abstract: A process and a foam produced therefrom are disclosed in which multi-functional isocyanate, water, a catalytic amount of a urea polymerization catalyst, and a catalytic amount of an isocyanurate polymerization catalyst are reacted to form a rigid, closed cell, urea-modified polyisocyanurate foam suitable for use for retrofitting wall cavities with insulating material. The urea polymerization catalyst and the isocyanurate polymerization catalyst are present in the reaction mixture in relationship to the multi-functional isocyanate and water in amounts so as to produce a foam setting after substantially complete rising thereof. Activator compositions for preparing such foams are also disclosed.

Abstract: Polyoxyalkylene surfactants for cellular forms can be prepared by reacting a polyoxyalkylene adduct and an esterified unsaturated dibasic acid in the presence of a free-radical initiator.

Abstract: Polyol-catalyst mixtures, useful in the preparation of rigid polyurethane cellular products, are prepared simultaneously by reacting a Mannich base compound, water, and an epoxide and subsequently removing the water from the reaction mixture. Also provided are new rigid polyurethane cellular products having a high content of isocyanurate linkages, superior heat distortion temperatures and improved insulating properties, which products are obtained by reacting a polyisocyanate with the aforementioned polyol-catalyst mixture.

Abstract: A flame retardant thermoplastic polymer containing a flame retardant amount of a flame retardant additive mixture. The mixture is comprised of halogenated imide-containing polyols having the formula: ##STR1## and the corresponding ethers having the formula: ##STR2## wherein R is a hydrocarbon group having the valence n+2 and is selected from the group consisting of benzene groups, naphthalene groups and alicyclic hydrocarbon groups containing 5 to 10 carbon atoms, X is selected from the group consisting of bromine and chlorine, n is an integer from 1-6 and p is an integer from 2-6. The preferred flame retardant mixture is a derivative of tetrabromophthalic anhydride.

Abstract: A process for producing urethane-modified polyisocyanurate foams in which a poly(oxyalkylene-oxyethylene)polyether polyol is used as a modifying agent having the number of functional groups and the molecular weight in specific ranges with the equivalent ratio of NCO/OH being in a specific range and containing a specific quantity of ethylene oxide. The use of this modifying agent provides urethane-modified polyisocyanurate foams exhibiting excellent fire resistance and adhesion to an object surface.

Abstract: A reinforced reaction injection molding of polyurethanes is prepared by reacting an organic polyisocyanate, a polyoxyalkylene polyether polyol, a chain extending agent, a catalyst, optionally a blowing agent and glass fibers. The glass fibers form a stabilized dispersion in the polyol by employing as a suspending agent the reaction product of a polyamine and a polyester.

Abstract: Amino catalyst mixtures containing from 10 to 95 percent by weight of 2-diisopropylamino ethanol and from 5 to 90 percent by weight of an amine or mixture of amines selected from the group described herein has been found to be a replacement for N-ethylmorpholine in the production of polyurethane foams.

Abstract: The invention relates to a process for the preparation of foamed or unfoamed polyurethanes by the reaction of compounds with molecular weights of 400 to 10,000 having at least two isocyanate-reactive hydrogen atoms with polyisocyanates in the presence of catalysts containing tertiary amino groups and optionally in the presence of chain-lengthening agents of molecular weight 32 to 400, foam stabilizers, water and/or organic blowing agents and optionally other auxiliary agents and additives, characterized in that the catalysts are morpholine derivatives of the general formula ##STR1## wherein X is an integer from 3 to 6 andR.sup.1 and R.sup.2 are identical or different and(a) represent a C.sub.1 -C.sub.6 -alkyl or C.sub.6 -C.sub.10 -cycloalkyl group or(b) form a heterocyclic ring containing 4-7 C-atoms, which heterocyclic ring may contain hetero groups in addition to the N-atom and wherein the additional hetero groups may be substituted by a C.sub.1 -C.sub.

Abstract: N-butylmorpholine and N,N'-dimethylpiperazine may be used together as a catalyst system in an activator solution to give finer, more uniform cells to polyester-based polyurethane foams if a solvent is employed. It was surprisingly discovered that the components must be used together as a catalyst-solvent system to avoid the disadvantages observed when one of the components is changed or left out. For example, if the solvent were not present in the activator solution in proportions of at least 1 wt. %, the activator solution would not be homogeneous.

Abstract: Flexible, resilient, polyurethane foam having improved flame retardancy and intumescent properties is prepared from a reaction mixture comprising a polyether polyol, an organic polyisocyanate, a blowing agent, a surfactant, a catalyst, a flame retardant, and hydrated alumina. Alternatively, the mixture also comprises a low-viscosity linear polyester.The hydrated alumina is predispersed in a mixture comprising flame retardant and low-viscosity linear polyester, and alternatively a char former and a fugitive viscosity modifier.

Abstract: The incorporation of a crosslinker comprising an ethylene oxide adduct of a Mannich condensate of nonyl phenol, diethanolamine and formaldehyde in molded polyurethane semiflexible foams is disclosed. Semiflexible polyurethane foams incorporating this crosslinker result in foams which offer many advantages including a significant improvement in moldability characteristics and materials utilization as well as other advantages. These improvements are demonstrable over similar formulations using other crosslinkers. The resulting foams find use in energy absorbing applications in the automotive industry and other industries.

Abstract: Polyurethane foams having improved physical properties are prepared by reacting a polyisocyanate and polyol in the presence of a melamine polyol which contains no polyether linkages and a foaming agent.

Abstract: A polyurethane is made by reacting a polyisocyanate with a compound having at least two isocyanate-reactive hydrogen atoms and having a molecular weight of from 400 to 10,000 in the presence of a catalyst. The catalyst employed is a cyclic N-hydroxyalkyl-substituted compound containing an amidine group. Polyurethanes made in accordance with this process are useful as shoe soles, upholstery material, sound insulating materials, coating compositions, packaging materials and mattresses.

Abstract: Polyoxyalkylene surfactants for cellular foams can be prepared by reacting a polyoxyalkylene adduct and an esterified unsaturated dibasic acid in the presence of a free-radical initiator.

Abstract: Active hydrogen-containing fluorochemical is used as a foam stabilizer in preparing polyurethane foams. For example, rigid or flexible polyurethane foams with high or low density and uniform cellular structure are prepared using fluoroaliphatic radical-substituted poly(oxyalkylene) polyols as foam stabilizers.

Abstract: The instant invention is directed to novel compounds and the use thereof in producing polyurethane resins. The compounds generally correspond to the following formula: ##STR1## wherein n is an integer of from 1 to 5,R is a C.sub.1 -C.sub.5 alkyl groupY is a C.sub.1 -C.sub.5 alkyl group or a ##STR2## and Z is a ##STR3## where n=0 or 1, X is --O-- or ##STR4## and R' is an aliphatic group having from 1 to 15 carbon atoms and may contain ester, ether, or amide groups or tertiary nitrogen and, when m=0, R' may be a hydrogen atom.

Abstract: A primary amine may be reacted with formaldehyde and a 1,2-diol to produce N-substituted perhydrodioxazepines of the formula ##STR1## where R is alkyl, alkoxyalkyl, aminoalkyl or aryl alkyl and R' is hydrogen or lower alkyl. These compounds may be easily prepared and have a low odor which is essential in their utility as polyurethane catalysts. By varying the R group, the catalytic characteristics of the compounds may be altered as desired.

Abstract: The alkylene oxide adduct of bis(aminoethyl)ether may be reacted with formaldehyde in the presence of hydrogen and a hydrogenation-dehydration catalyst to produce new compounds of the formula ##STR1## where R is hydrogen or lower alkyl and R" is methyl or ##STR2## These compounds show unexpectedly high efficiency as polyurethane catalysts. Fewer equivalents of this amine are required to produce foams having the same reaction profile as foams made with prior art amine catalysts.

Abstract: Foamed polymers such as polyurethanes useful, for instance, as cushioning, insulation, and in reaction injection molding to produce thin section moldings can be produced without substantial reduction in physical properties by the incorporation therein of about 2 percent to about 75 percent by weight based upon the weight of said polymer of at least one non-reactive, liquid urethane modifier compound processing aid or flame-retardant additive. Said modifier has a low viscosity at ambient temperatures and is a low-molecular weight urethane adduct formed by the reaction of (1) at least one polyisocyanate and at least one monohydric alcohol or (2) at least one monofunctional isocyanate with at least one monohydric or polyhydric alcohol or (3) at least one isocyanate-terminated quasi-prepolymer with at least one monohydric alcohol. Said modifier can also consist of mixtures of (1), (2), and (3). Utilizing halogenated alcohols, flame-retardant polymer foams such as polyurethane foams can be prepared.

Abstract: The use of N-methoxypropylmorpholine, N-butylmorpholine and N,N'-dimethylpiperazine together as a catalyst system in an activator solution to give finer, more uniform cells to polyester-based polyurethane foams is described. While each of the amine catalysts has disadvantages when used alone in an activator solution, it was surprisingly discovered that together as a catalyst system none of the disadvantages were observed in the resulting polyurethane foam.

Abstract: Compounds typified by N,N'-polyoxyalkylene bis(pyrrolidinone-3-carboxylic acid) are useful as epoxy curing accelerators. Salts thereof, including alkali metal salts, are curing agents for isocyanurate foams.

Abstract: Polyisocyanurate catalysts are disclosed which have the formula: ##STR1## where R.sub.1 and R.sub.2 are independently selected from alkyl groups of less than about 3 carbon atoms or where R.sub.1 and R.sub.2 together comprise cycloalkyl or morpholino groups and where R.sub.3 is hydrogen or alkyl groups containing less than about 3 carbon atoms. Said catalysts are useful in promoting the reaction between a polyol and an aromatic polyisocyanate to prepare a polymer containing recurring isocyanurate and urethane linkages.

Abstract: Novel compounds which are produced from aminated alkoxylated aliphatic alcohols and alkyl phenols are described. The compounds are formed by reacting the nitrogen atom with certain compounds to form hydroxyl, carboxyl or sulfonate terminated compounds susceptible to salt formation with Group 1a and 2a metals, particularly sodium and potassium, to increase the water solubility of the compound. These compounds, particularly the salts of these compounds, are useful surface active agents and are soluble in polar and non-polar solvents. The are useful as oil and fuel additives, anticorrosive agents, detergents, froth flotation and oil recovery chemicals, and certain metal salts of the compound are useful as isocyanurate catalysts.

Abstract: Active hydrogen-containing fluorochemical is used as a foam stabilizer for polyurethane foams. For example, rigid or flexible polyurethane foams with high or low density and uniform cellular structure are prepared using fluoroaliphatic radical-substituted poly(oxyalkylene) polyols as foam stabilizers.

Abstract: A process for foaming thermoplastic materials by adding to the plastics material 0.05 to 5 percent by weight of a dioxazolone of the formula I ##STR1## in which n is 1, 2 or 3, and when n is 1R is C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.12 -alkenyl, C.sub.7 -C.sub.9 -aralkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.6 -C.sub.10 -aryl, or phenyl substituted by C.sub.1 -C.sub.9 -alkyl, halogen, C.sub.1 -C.sub.9 -alkoxy or nitro, or it is a heterocyclic radical, or when n is 2R is C.sub.1 -C.sub.8 -alkylene, ethenylene, m- or p-phenylene, m- or p-halophenylene, biphenylene, oxy-bis-(p-phenylene), 2,5-thienylene, 2,5-furylene, 2,6-pyridylene or naphthylene, or when n is 3R is phenenyl,and subsequently heating the mixture.

Abstract: A compound of Formula I: ##STR1## is useful as flame retardants for polyurethane foams. It is added directly to the reaction mixture for the preparation of the polyurethane foam.

Abstract: The invention is a method for making reaction injection molded polyurethane of improved properties. The product comprises the reaction product of a high molecular weight polyhydric polyether, a low molecular weight active hydrogen containing compound of at least two functionality, a polyisocyanate and a catalyst combination comprising a weak tertiary amine, a fast gelation organo tin compound and a delayed action organo tin catalyst. This catalyst combination results in improved processing, a minimum of surface defects and excellent green strength. Reaction injection molded elastomers are useful as molded articles of commerce including, but not limited to, vehicle body parts.

Abstract: The use of tertiary amino substituted oxazolidines as polyisocyanurate catalysts is disclosed. Said catalysts are useful in promoting the reaction between a polyol and an aromatic polyisocyanate to prepare a polymer containing recurring isocyanurate and urethane linkages.

Abstract: Covers compounds of the formula ##STR1## where R is lower alkyl, lower alkenyl or phenyl and R' and R" are either lower alkyl or form a morpholine ring when taken with the adjacent nitrogen atom. Also covers a method of producing a polyurethane foam and elastomer by utilizing said above compounds as catalysts in reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of said catalyst.

Abstract: Covers a method of producing a polyurethane by utilizing specific morpholine compounds as a catalyst in reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of said catalyst. Said amines fall within the following structural formula: ##STR1## where R is lower alkyl and x=0-4.

Abstract: A rigid polyurethane foam is prepared from a reaction mixture incorporating therein a 2-trichloromethyloxazolidine or a thiazolidine derivative for imparting to the foam smoke and flame retardancy.

Abstract: Covers a method of producing a polyurethane by utilizing specific amine compounds as a catalyst in reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of said catalyst. Said amines fall within the following structural formula: ##STR1## where R.sub.1 and R are lower alkyl and x=0-2.

Abstract: Reaction products of certain tertiary amines, alkylene oxides and carboxylic acids have been found to be outstanding catalysts for the preparation of polyisocyanurates, polyisocyanurate foams, polyurethane foams and poly(urethane-isocyanurate) foams. Typical tertiary amines are 1,3,5-tris (N,N-dialkylaminoalkyl-5-hexahydrotriazines, pyridine and bis-(N,N-dialkylaminoalkyl) ethers.

Abstract: This inventon relates to flame-retarded cross-linked elastomer compositions obtained from an elastomeric polyurethane prepolymer; an organic fire-retardant additive containing chlorine and/or bromine; a compound of antimony; and a hexaalkoxymethyl melamine. These new compositions are self-extinguishing as well as non-dripping.

Abstract: The discoloration of low density polyurethane foams produced with certain flame retardants is reduced by incoporating into the foam phenothiazine and amine antioxidants. The phenothiazine and amine antioxidants can be employed by admixing with the flame retardant from about 0.25 to about 5.0 percent of the phenothiazine-amine antioxidant combination by weight of the flame retardant.

Abstract: The instant invention is directed to a process for the production of inorganic-organic resins, by reaction of an organic polyisocyanate with aqueous basic solutions having an inorganic solid content of from 20 to 80% by weight in the presence of catalysts and optionally other additives, characterized in that the organic polyisocyanate and the aqueous basic solution are used in a proportion by weight of between 80:20 and 10:90 parts by weight and that organic ammonium compounds are used as catalysts.

Abstract: The discoloration of low density polyurethane foams produced with certain flame retardants is reduced by incorporating phenothiazine into the foam. The phenothiazine can be employed by admixing with the flame retardant from about 0.25 to about 5.0 percent phenothiazine by weight of the flame retardant.

Abstract: A dripless, fire-retarded, polyurethane elastomer comprising a blend of the elastomer with a hexaalkoxymethylmelamine, a trihydrocarbylcarbonylmelamine and compounds selected from the group comprising (1) aromatic bismaleimide or (2) an aromatic bismaleimide generator.

Abstract: Flexible polyurethane foam having reduced tendency to form burning embers when it is ignited and burned is provided by incorporating into the reaction mixture before foaming a derivative of melamine wherein one or more hydrogens have been replaced by hydroxymethyl and/or lower alkoxymethyl groups.In one embodiment, flexible polyurethane foams of increased flame retardance are also provided, by also incorporating a halogenated phosphorus ester into the reaction mixture before foaming.

Abstract: Diorganotin compounds wherein at least one of the remaining valences on the tin atom is satisfied by a sulfur atom or a thiocyanate group are unique among diorganotin compounds in that they retain their catalytic activity over extended periods of time in the presence of the precursors or masterbatches conventionally employed to prepare rigid, cellular polyurethanes.

Abstract: Covers the use of metallic quaternary ammonium carboxylate salts as polyisocyanurate catalysts. Said catalysts are useful in promoting the reaction between a polyol and an aromatic polyisocyanate to prepare a polymer containing recurring isocyanurate and urethane linkages.

Abstract: N-(1,1-dioxotetrahydro-3-thienyl)-2,6-dialkylmorpholines, useful as catalysts in making polyurethane foam.

Abstract: Compounds are disclosed of the formula ##STR1## wherein R designates hydrogen or an alkyl group of 1 to 6 carbon atoms, inclusive;R' designates an alkylene group of 2 to 10 carbon atoms, inclusive, or alkylene substituted by a methyl or by a halomethyl group;R" designates hydrogen, an alkyl group of 1 to 4 carbon atoms, inclusive;--R"Z, ##STR2## or C(CH.sub.2 OH).sub.3 X designates chlorine or bromine;Z designates -OH, ##STR3## n is an integer from 1 to 5; and P IS AN INTEGER FROM 0 TO 4.A process for the production of such compounds is also disclosed which comprises reacting one mole or a slight excess of a trihalogenated alkylene oxide of the formula ##STR4## wherein X, R, and p are as defined above, per mole of an alkanolamine or polyamine of the formula ##STR5## wherein R', R", Z, are as defined above, at a temperature between 30.degree. to 90.degree. C and separating the resulting halogenated nitrogen containing polyol.

Abstract: Cellular polymeric solids are made by mixing an acidulous or acidic polymerizable medium that is polymerizable and/or cross-linkable by a free radical mechanism (e.g. an unsaturated polyester) with an effective amount of two or more acid sensitive mono- or poly-azo compounds containing the group: ##STR1## wherein Y is an acid sensitive group (e.g.

Abstract: The method of preparing polyurethanes using a catalytic amount of a reaction product of N,N-disubstituted-aminoalkyleneamine with an alkylene oxide is disclosed. These catalysts produce polyurethane products which have no amine odor even immediately after formation of the urethane.