Composition
An isocyanate reactive composition comprising At least one component selected from the group consisting of a polyether polyol, a polyester polyol, a polyether polyamide and a polyester polyamide; one or more amine components, each of said amine components having a given structure. In some embodiments, the average number of nitrogen atoms of said amine components is in the range of 5 to 10.
1. A composition comprising
at least one isocyanate component
at least one component selected from the group consisting of a polyether polyol, a polyester polyol, a polyether polyamide and a polyester polyamide;
two or more amine components having a structure according to the formula
and
one or more amine components having a structure according to the formula
wherein R a for at least one of the amine components of formula (1) comprises 3 to 6 nitrogen atoms and R a for at least one of the amine components of formula (1) comprises 7 to 17 nitrogen atoms, Rb comprises 2 to 16 nitrogen atoms and each of R a and R b independently comprises a plurality of units selected from at least one of R1, R2, and R3, combined in a random sequence, wherein:
R1 is
R2 is
and R3 is
wherein each of R 4 , R 5 , R 6 and R 7 individually are —H or —CH 3 ; and wherein the amount of the one or more amine components in the composition is between 0.05% wt and 1% wt calculated on the total weight of the composition.
2. A composition according to claim 1 , wherein the average number of nitrogen atoms of said one or more amine components is in the range of 5 to 10.
3. A composition according to claim 2 , wherein the average number of nitrogen atoms of said one or more amine components is in the range 5 to 8.
4. A composition according to claim 1 , wherein said one or more amine components comprise at least one component comprising at least two primary amine groups and at least one secondary amine group.
5. A composition according to claim 1 , wherein R 4 , R 5 , R 6 and R 7 are each hydrogen.
6. A composition according to claim 5 , wherein said two or more amine components is a mixture comprising at least one of triethyltetramines (TETA), tetraethyl pentamines (TEPA), pentaethylhexamines (PEHA), and at least one of hexaethylheptamines (HEHA), heptaethyloctamines (HEOA) and octaethylenenonamines (OENO).
7. A composition comprising
at least one component selected from the group consisting of a polyether polyol, a polyester polyol, a polyether polyamide and a polyester polyamide;
one or more amine components having a structure according to the formula
and
one or more amine components having a structure according to the formula
wherein R a , comprises 3 to 17 nitrogen atoms, R b comprises 2 to 16 nitrogen atoms and R a comprises a plurality of units selected from at least one of R1 and R3, combined in a random sequence and Rb comprises one or more units selected from R2,
wherein:
R1 is
R2 is
and R3 is
wherein each of R 4 , R 5 , R 6 and R 7 individually are —H or —CH 3 ; and wherein the total amount of the amine components having a structure according to formulas (1) and (2) in the composition is between 0.05% wt and 1% wt calculated on the total weight of the composition.