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 component selected from the group consisting of a polyether polyol, a polyester polyol, a polyether polyamide and a polyester polyamide;
N-(3-dimethylaminopropyl)-N,N-diisopropanolamine; and
one or more amine components having a structure according to one of the formulae:
wherein R a comprises 3 to 17 nitrogen atoms, R b 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 6 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 of 6 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 one or more amine components is a mixture comprising at least one of triethyltetramine (TETA), tetraethylpentamine (TEPA), pentaethylhexamine (PEHA), hexaethylheptamine (HEHA), heptaethyloctamine (HEOA), and octaethylenenonamine (OENO).
7. A method for reducing the emission of at least one of formaldehyde and acetaldehyde from a polyurethane or polyurea foam, by using a composition comprising (i) N-(3-dimethylaminopropyl)-N,N-diisopropanolamine, and (ii) one or more amine components as an additive in a reaction mixture to produce said polyurethane or polyurea foam, each of said one or more amine components having a structure according to one of the formulae
wherein R a , comprises 3 to 17 nitrogen atoms, R b 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.
8. A method according to claim 7 , wherein the average number of nitrogen atoms of said one or more amine components is in the range of 6 to 10.
9. A method according to claim 7 , wherein said one or more amine components are amine components with formula
wherein each of R a and R b is independently a random sequence of at least one of units R1, R2 and R3, wherein:
R1 is
R2 is
and R3 is
10. A method according to claim 7 , wherein said reaction mixture further comprises at least one isocyanate component; at least one isocyanate reactive component comprising one or more reactive hydrogen atoms, wherein the at least one isocyanate reactive component is selected from a polyether polyol, a polyester polyol, a polyether polyamide and a polyester polyamide; catalysts selected from the group consisting of blowing and gelling catalysts; and optionally, fire retardants, antioxidants, surfactants, physical or chemical blowing agents, fillers, or pigments.
11. A method according to claim 7 , wherein said one or more amine components is provided to the reaction mixture as part of the isocyanate reactive component.
12. 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;
N-(3-dimethylaminopropyl)-N,N-diisopropanolamine; and
an amine selected from triethyltetramine (TETA), tetraethylpentamine (TEPA), pentaethylhexamine (PEHA), hexaethylheptamine (HEHA), heptaethyloctamine (HEOA), and octaethylenenonamine (OENO),
wherein the amine is present in the composition in an amount between 0.05% wt. and 1% wt. calculated on the total weight of the composition.