Abstract: An amine solvent solution that is useful in absorbing acid gases from a liquid or gas feed stream may have an amine additive added thereto. Additionally or alternatively, the amine additive may be added to a liquid or gas feed stream. The addition of the amine additive decreases the presence of amine-derived contaminants and/or degradation of amine in the amine solvent solution. As such, the amine solvent solution is available for effective reuse in treating the liquid or gas feed stream and there may be a decrease in the corrosion within an amine treating system.

Abstract: A tertiary amine, such as a tertiary amine catalyst that is useful in the production of polyurethanes, may undergo decomposition, which may result in the production of undesirable products. These tertiary amines, however, may be treated with a primary amine containing material to reduce the presence of the undesirable products to an acceptable level. Thus, a foam made from a treated tertiary amine will also have a reduction in the presence of the same undesirable products.

Abstract: Polyurethanes made using compounds of formula A: Q-(R6)-M-(R7)-NR3R4 where Q is OH or NR1R2; M is O or NR5 where R5 is R1 or H; R1 is alkyl or an alkylene alcohol of from 1 to 6 carbons, especially CH3, CH2CH3, or CH2CH2OH; R2 is alkyl or an alkylene alcohol of from 1 to 6 carbons, especially CH3, CH2CH3, or —CH2CH2OH; R3 is hydrogen or alkyl of from 1 to 6 carbons, especially H, CH3 or CH2CH3; R4 is hydrogen; where R6 is an alkylene group of from 2 to 5 carbons; and wherein R7 is an alkylene group of from 2 to 5 carbons. Illustrative catalysts of this invention include but are not limited to N,N,N?-trimethylbis(aminoethyl)ether, dimethylaminoethoxypropylamine, and (3-aminopropyl)(2-hydroxyethyl)methylamine.

Abstract: The present invention relates to a method for recovering N,N,N?-trimethylbisaminoethylether from a mixture with its amide and a method for separating N,N,N?-trimethylbisaminoethylether from mixtures comprising tertiary amines or tertiary aminoalkylether as well as a composition comprising a mixture of N,N,N?-trimethylbisaminoethylether and a transamidation agent.

Abstract: A process for the separation of a first amine having a tertiary amine group and a secondary amine group such as N,N,N?-trimethylbis(aminoethyl)ether from a di-tertiary amine such as N,N,N?,N?-tetramethylbis(aminoethyl)ether, comprising: contacting a mixture of the first amine and the di-tertiary amine with a carbonyl compound capable of forming an enamine such that the carbonyl compound reacts with the first amine to form an enamine; separating the enamine from the di-tertiary amine; and subsequently converting the enamine to the first amine.

Abstract: Methods and compositions are provided for forming a catalyst. In one aspect, the catalyst is formed by mixing at least one tertiary amine with at least one polymer acid. Such catalysts are particularly useful in the polymerization of polyurethane foams.

Abstract: This invention concerns a compound formed from a tertiary amine-carboxylic acid salt, where the carboxylic acid and tertiary amine are selected such that the catalyst salt is blocked at room temperature and becomes unblocked at an elevated temperature. The compound is useful as a heat activated urethane catalyst.

Abstract: This invention concerns a compound formed from a tertiary amine-carboxylic acid salt, where the carboxylic acid and tertiary amine are selected such that the catalyst salt is blocked at room temperature and becomes unblocked at an elevated temperature. The compound is useful as a heat activated urethane catalyst.

Abstract: This invention concerns a compound formed from a tertiary amine-carboxylic acid salt, where the carboxylic acid and tertiary amine are selected such that the catalyst salt is blocked at room temperature and becomes unblocked at an elevated temperature. The compound is useful as a heat activated urethane catalyst.

Abstract: Provided herein are catalysts useful in providing foam products which are produced using an organic poly isocyanate as a starting material. A catalyst according to the present invention includes the tris-(hydroxyethyl)methyl ammonium cation, and optionally potassium cation, in combination with a variety of possible counter anions present to maintain charge balance and for compatibility. A catalyst according to the invention is preferably used in conjunction with one or more conventional tertiary amine catalysts in a foam producing process. The foams may be polyurethane foams, polyisocyanurate foams, flexible foams, or elastomeric foams.

Abstract: Disclosed herein are compositions useful for introducing metal carboxylate salts as catalysts into systems useful for producing polyurethane and polyisocyanurate foams. The methods permit the introduction of such catalysts in the absence of substantial amounts of water which otherwise cause inferior foams to be produced. A method for producing foam employing the catalysts are also described.

Abstract: Provided herein are catalyst combinations and processes useful for producing polyurethane foam products which have a greatly lessened tendency to emit vapors of residual amounts of catalysts, after prolonged storage of the foams even at elevated temperatures. According to one form of the invention, a reactive catalyst is used in combination with a polyol precursor wherein the polyol precursor has an unsaturation level that is below about 0.030 meq./g.

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: Provided herein are compositions which are useful as catalysts in the production of polyisocyanurate foams. The compositions of the invention comprise N, N, N?-trimethylaminoethyl-ethanolanine in combination with one other catalysts useful in promoting trimerization of isocyanates. By promoting trimerization, isocyanate content of the foam is decreased which leads to a foam having better bum properties over prior art isocyanurate foams. Decreasing the isocyanate content of a foam should also lead to quicker de-mold of a molded foam because of reduced stickiness.

Abstract: This invention concerns a process for the manufacture of a press molded material, comprising applying diisocyanate, polyol, and catalyst to a wood material, wherein the catalyst is a tertiary amine-carboxylic acid salt that is blocked at room temperature and becomes unblocked at an elevated temperature, and heating the resulting mixture to a temperature effective to unblock the salt to produce unblocked tertiary amine. The press molded material can be an orientated strand board (OSB).

Abstract: This invention concerns a compound formed from a tertiary amine-carboxylic acid salt, where the carboxylic acid and tertiary amine are selected such that the catalyst salt is blocked at room temperature and becomes unblocked at an elevated temperature. The compound is useful as a heat activated urethane catalyst.

Abstract: Disclosed herein are compositions useful for introducing metal carboxylate salts as catalysts into systems useful for producing polyurethane and polyisocyanurate foams. The methods permit the introduction of such catalysts in the absence of substantial amounts of water which otherwise cause inferior foams to be produced. A method for producing foam employing the catalysts are also described.

Abstract: Provided are catalyst systems which produce flexible polyurethane polyester foams that are color stable, are lower in odor, and uses less catalysts than current most commonly practiced technology. The use of lower amounts of catalysts with low vapor pressure reduces worker exposure to alkaline corrosive materials, reduces pollution through less pounds of volatile organic chemicals (VOC's) and is less expensive.

Abstract: The invention is an epoxy resin adhesive composition. The composition comprises:A. An epoxy resin component; andB. A curative component comprising:a curing amount of a polyamine curing agent and 2 to 30 phr. of an adhesion enhancer of comprising a partially hindered polyetherpolyamine.The fast curing adhesive offers high lap shear strength and relatively high peel strength.

Abstract: A process for preparing a polyurea reaction injection molded (RIM) elastomer is described. A hindered polyetherpolyamine is first obtained by reacting a polyol having two or more hydroxyl groups with an effective amount of long chain alkyl epoxide to give an at least partially hindered intermediate having hydroxyl terminations; and then aminating at least one of the hydroxyl terminations on the intermediate to primary amine groups to give an at least partially hindered polyetherpolyamine. The hindered polyetherpolyamine is then reacted with a polyisocyanate in the optional presence of a catalyst to give a polyurea RIM elastomer. The long chain alkyl group provides steric hindrance to the primary aliphatic amine group, which slows down the reactivity of the amine. The slower reactivity of the amine group is useful in RIM and RRIM compositions since it allows for longer shot or flow times, which in turn permit larger parts to be made from existing equipment.