Abstract:
The invention relates to a hardenable composition of epoxy resins, reactive thinning agents containing epoxy groups and the hardener 2,2',6,6'-tettramethyl-4,4'-methylene-bis(cyclohexylamine), the hardening of the composition and the thus obtained hardened epoxy resin, in addition to the corresponding use of 2,2',6,6'-tetramethyl-4,4'-methylene-bis(cyclohexylamine) as a hardener for epoxy resins in hardenable compositions with reactive thinning agents containing epoxy groups.
Abstract:
The present invention relates to relates to an amine composition, the use of said amine composition, a curing agent composition, a curable composition, a cured epoxy resin as well as methods for producing said amine composition, said curing agent composition, said curable composition and said cured epoxy resin. Furthermore, the present invention relates to reactive polyamide resins obtainable from said amine composition, a method for their manufacture and their use. Method for the production of the amine composition comprises following steps: A) conversion of formaldehyde (FA), hydrogen cyanide (HCN) and ethylenediamine (EDA); B) hydrogenation of the reaction mixture obtained in step A); and C) purification of the hydrogenated reaction mixture obtained in step B), wherein the purification step C) comprises 1) removal of hydrogen; 2) removal of organic solvent and water; 3) passing the reaction mixture obtained in step 2) to an evaporator operated at a pressure in the range of 5 to 500 mbar and a temperature in the range of 100 to 250 °C; 4) removal of the gaseous phase from the evaporator; and 5) condensation of the gaseous phase.
Abstract:
This invention relates to polyetheramines based on 1,3-dialcohols, in particular to an etheramine mixture comprising at least 90% by weight, based on the total weight of the etheramine mixture, of anamine of Formula (I) and/or (II), wherein R1-R12 are independently selected from H, alkyl, cycloalkyl, aryl, alkylaryl, or arylalkyl, wherein at least one of R1-R6 and at least one of R7-R12 is different from H, wherein A1-A9 are independently selected from linear or branched alkylenes having 2 to 18 carbon atoms, preferably 2-10 carbon atoms, most preferably 2-5 carbon atoms, wherein Z1-Z4 are independently selected from OH or NH2, wherein at least one of Z1-Z2 and at least one of Z3-Z4 is NH2, and wherein the sum of x+y is in the range of from 2 to 200, wherein x=1 and y=1;and x1+y1 is in the range of from 2 to 200, preferably 2-20, most preferaby 2-10, wherein x1=1 and y1=1.
Abstract:
This invention relates to polyetheramines based on 1,3-dialcohols, in particular to an etheramine mixture comprising at least 90% by weight, based on the total weight of the etheramine mixture, of anamine of Formula (I) and/or (II), wherein R1-R12 are independently selected from H, alkyl, cycloalkyl, aryl, alkylaryl, or arylalkyl, wherein at least one of R1-R6 and at least one of R7-R12 is different from H, wherein A1-A9 are independently selected from linear or branched alkylenes having 2 to 18 carbon atoms, preferably 2-10 carbon atoms, most preferably 2-5 carbon atoms, wherein Z1-Z4 are independently selected from OH or NH2, wherein at least one of Z1-Z2 and at least one of Z3-Z4 is NH2, and wherein the sum of x+y is in the range of from 2 to 200, wherein x≧1 and y≧1; and x1+y1 is in the range of from 2 to 200, preferably 2-20, most preferably 2-10, wherein x1≧1 and y1≧1.
Abstract:
Una mezcla de eteramina que comprende al menos 90 % en peso, en base al peso total de la mezcla de eteramina, de una amina de Fórmula (I) y (II), **(Ver fórmula)** en la que R1-R12 se seleccionan independientemente de H, alquilo, cicloalquilo, arilo, alquilarilo o arilalquilo, en donde al menos uno de R1-R6 y al menos uno de R7-R12 es diferente de H, en la que A1-A9 se seleccionan independientemente de alquilenos lineales o ramificados que tienen de 2 a 18 átomos de carbono, preferentemente de 2-10 átomos de carbono, con la máxima preferencia de 2-5 átomos de carbono, en la que Z1-Z4 se seleccionan independientemente de OH, NH2, NHR' o NR'R", en la que al menos uno de Z1-Z2 y al menos uno de Z3-Z4 es NH2, NHR' o NR'R", en la que R' y R" se seleccionan independientemente de alquilenos que tienen de 2 a 6 átomos de carbono y en la que la suma de x+y está en el intervalo de 2 a 200, en la que x>=1 y >=1; y x1 + y1 está en el intervalo de 2 a 200, preferentemente 2-20, con mayor preferencia de 2-10, en la que x1>=1 y y1>=1, y en la que en dicha polieteramina de Fórmula (I) o Fórmula (II), x+y está en el intervalo de 3 a 20.
Abstract:
La presente invención se refiere a polieteraminas a base de 1 ,3-dialcoholes, en particular a una mezcla de éteramina que comprende al menos 90% en peso, a base del peso total de la mezcla de éteramina, de una amina de la fórmula (I) y/o (II), (ver fórmula) en donde R1-R12 se seleccionan, de modo independiente, de H, alquilo, cicloalquilo, arilo, alquilarilo, o arilalquilo, en donde al menos uno de R1-R6 y al menos uno de R7-R12 es diferente de H, donde A1-A9 se seleccionan, de modo independiente, de alquilenos lineales o ramificados que tienen de 2 a 18 átomos de carbono, con preferencia, 2 - 10 átomos de carbono, máxima preferencia, 2 - 5 átomos de carbono, en donde Z1-Z4 se seleccionan, de modo independiente, de OH o NH2, en donde al menos uno de Z1-Z2 y al menos uno de Z3-Z4 es NH2 y donde la suma de x+y está en el rango de 2 a 200, donde x=1 e y=1; y x1+y1, están en el rango de 2 a 200, con preferencia, de 2 - 20, con máxima preferencia, de 2 - 10, en donde x1=1 e y1=1.
Abstract:
The present invention relates to the use of 2,5-bis(aminomethyl)furan as a hardener for resin components made from epoxy resin and reactive diluent, and to a corresponding hardenable composition, the hardening of said composition, and the hardened epoxy resin that can be obtained from said composition. The present invention further relates to the use of 2,5-bis(aminomethyl)furan as a hardener for the production of epoxy-resin-based coatings, in particular floor coatings having early water resistance.