Abstract: The present disclosure is related to a catalyst for PIR/PUR foam production comprising a compound having the general formula (I) wherein R1 and R2 are independently selected from a C1-C18 straight-chain or branched alkyl group, unsubstituted or substituted with one or more hydroxyl, amino or aminoalkyl groups, or R1 and R2, taken together, form a 5- or 6-membered ring or 7-membered bicyclic structure, one of the members of the ring or bicyclic structure being X, wherein X is selected from CH2, O, S, NCH3 or NCH2COOM, wherein R3 and R4 are independently selected from hydrogen or a C1-C4 straight-chain or branched alkyl group and wherein M is an alkali metal ion or a quaternary ammonium ion, as well as to a process for production of said compound and uses thereof and to a process for the production of PIR/PUR foam or flexible foam in the presence of the catalyst of the present disclosure.

Abstract: The present disclosure relates to sulfonic acid esters for use as additives in a polyurethane formulation. The polyurethane formulation further includes a compound containing an isocyanate functional group, an active hydrogen-containing compound and a reactive amine catalyst.

Abstract: The present invention relates to a method for separating N,N,N?-trimethylbisaminoethylether and/or N,N-dimethylbisaminoethylether, from a mixture A comprising N,N,N?-trimethylbisaminoethylether, and N,N-dimethylbisaminoethylether, wherein said method comprises the steps of: (a) contacting said mixture A with an acylating agent, to form a mixture B comprising the amides of N,N,N?-trimethylbisaminoethylether and of N,N-dimethylbisaminoethylether, respectively; and (b1) separating the amide of N,N,N?-trimethylbisaminoethylether from mixture B; and (c1) recovering N,N,N?-trimethylbisaminoethylether from its amide by means of a transamidation reaction; and/or (b2) separating the amide of N,N-dimethylbisaminoethylether from mixture B; and (c2) recovering N,N-dimethylbisaminoethylether from its amide by means of a transamidation reaction.

Abstract: The present invention relates to a method for separating N,N,N?-trimethylbisaminoethylether and/or N,N-dimethylbisaminoethylether, from a mixture A comprising N,N,N?-trimethylbisaminoethylether, and N,N-dimethylbisaminoethylether, wherein said method comprises the steps of: (a) contacting said mixture A with an acylating agent, to form a mixture B comprising the amides of N,N,N?-trimethylbisaminoethylether and of N,N-dimethylbisaminoethylether, respectively; and (b1) separating the amide of N,N,N?-trimethylbisaminoethylether from mixture B; and (c1) recovering N,N,N?-trimethylbisaminoethylether from its amide by means of a transamidation reaction; and/or (b2) separating the amide of N,N-dimethylbisaminoethylether from mixture B; and (c2) recovering N,N-dimethylbisaminoethylether from its amide by means of a transamidation reaction.

Abstract: The invention relates to a primary amine component corresponding to formula I being (R1R2NR3)2NR4 wherein each of R1 and R2 are chosen from the group consisting of a methyl group, an ethyl group, an iso-propyl group and an n-propyl group; R3 being an alkoxyalkyl group chosen from the group consisting of —CH2CH2OCH2CH2—, —CH2CH2OCH2CH2CH2— and —CH2CH2CH2OCH2CH2CH2—; R4 is chosen from the group consisting of a hydrogen and —CH2CH2CH2NH2, and the use of said primary amine component corresponding to Formula I as a blowing catalyst of a catalyst system in a reaction of at least one polyisocyanate component and at least one isocyanate-reactive component, the catalyst system further comprising at least one gelling catalyst different from said component of formula I.

Abstract: The invention relates to a primary amine component corresponding to formula I being (R1R2NR3)2NR4 wherein each of R1 and R2 are chosen from the group consisting of a methyl group, an ethyl group, an iso-propyl group and an n-propyl group; R3 being an alkoxyalkyl group chosen from the group consisting of —CH2CH2OCH2CH2—, —CH2CH2OCH2CH2CH2— and —CH2CH2CH2OCH2CH2CH2—; R4 is chosen from the group consisting of a hydrogen and —CH2CH2CH2NH2, and the use of said primary amine component corresponding to Formula I as a blowing catalyst of a catalyst system in a reaction of at least one polyisocyanate component and at least one isocyanate-reactive component, the catalyst system further comprising at least one gelling catalyst different from said component of formula I.

Abstract: According to the present invention, a method for separating a primary amine being an N,N-dialkylbisaminoalkylether, from mixtures comprising said primary amine and at least one of a secondary amine being an N,N,N?-trialkylbisaminoalkylether and a tertiary amine being an N,N,N?,N?-tetraalkylbisaminoalkylether, comprising the steps: (?) joining said mixture and at least one of a ketone and an aldehyde for reacting said primary amine with said at least one of a ketone and an aldehyde, thereby providing a primary amine based imine by a Schiff base reaction; (?) separating the primary amine based imine from said at least one of the secondary or tertiary amine; and (?) recovering the primary amine from its primary amine based imine by hydrolysis of the primary amine based imine.