Compositions for polyurethane applications
View Patent ↗A process comprising, consisting of, or consisting essentially of: foaming a reaction mixture containing at least one polyisocyanate and an isocyanate-reactive compound comprising at least one alkoxylated triazine-arylhydroxy-aldehyde condensate composition wherein the alkoxylated triazine-arylhydroxy-aldehyde condensate composition is a reaction product of a triazine-arylhydroxy-aldehyde condensate and at least one alkylene carbonate, is disclosed.
1. A process comprising:
forming a reaction mixture containing at least one polyisocyanate and an isocyanate-reactive compound comprising at least one alkoxylated triazine-arylhydroxy-aldehyde condensate composition
wherein the alkoxylated triazine-arylhydroxy-aldehyde condensate composition is a reaction product of a triazine-arylhydroxy-aldehyde condensate and at least one alkylene carbonate.
2. A process in accordance with claim 1 further comprising curing the reaction mixture to form a polymer.
3. The process of claim 1 wherein the reaction mixture further comprises a phosphorus-containing flame retardant.
4. The process of claim 1 wherein the isocyanate-reactive compound further comprises a diluent selected from the group consisting of ethylene glycol, glycerol, diethylene glycol, monomethyl ether of ethylene glycol, dimethyl ether of ethylene glycol, diethyl adipate, dimethyl adipate, diethyl succinate, dimethyl succinate and combinations thereof.
5. The process of claim 1 wherein the polyisocyanate is selected from the group consisting of diphenylmethane-4,4′-diisocyanate (4,4 MDI), diphenylmethane-2,4′-diisocyanate (2,4 MDI), toluene-2,4-diisocyanate, toluene-2,6-diisocyanate, isophorone diisocyanate, hexamethylene-1,6-diisocyanate, polymeric diphenylmethane diisocyanate (PMDI) and combinations thereof.
6. The process of claim 1 wherein the polyisocyanate is a blocked isocyanate.
7. The process of claim 2 wherein the polymer is prepared with an isocyanate-reactive compound having from 9 weight percent to 21 weight percent of the alkoxylated triazine-arylhydroxy-aldehyde condensate.
8. The process of claim 7 wherein the polymer has a cream time that is from 4 percent to 19 percent lower than a polymer that was not prepared with an alkoxylated triazine-arylhydroxy aldehyde condensate.
9. The process of claim 7 wherein the polymer has a gel time that is from 32 percent to 42 percent lower than a polymer that was not prepared with an alkoxylated triazine-arylhydroxy aldehyde condensate.
10. The process of claim 7 wherein the polymer has a rise time that is from 23 percent to 34 percent lower than a polymer that was not prepared with an alkoxylated triazine-arylhydroxy aldehyde condensate.
11. The process of claim 7 wherein the polymer has a tack-free time that is from 32 percent to 43 percent lower than a polymer that was not prepared with an alkoxylated triazine-arylhydroxy aldehyde condensate.
12. The process of claim 7 wherein the polymer has a burn rate in the range of from 50 percent to 60 percent lower than a polyurethane composition that was not prepared with an alkoxylated triazine-arylhydroxy-aldehyde condensate.
13. The process of claim 7 wherein the polymer has a weight retention after burning in the range of from 70 percent to 115 percent higher than a polyurethane composition that was not prepared with an alkoxylated triazine-arylhydroxy-aldehyde condensate.
14. The process of claim 7 wherein the polymer has a compressive strength at yield in the range of from 25 percent to 60 percent higher than a polyurethane composition that was not prepared with an alkoxylated triazine-arylhydroxy-aldehyde condensate.
15. The process of claim 2 wherein the polymer is a polyurethane or polyisocyanurate foam.
16. The process of claim 2 wherein the polymer is a wood binder.
17. An article prepared from the polyurethane or polyisocyanurate foam of claim 15 .
18. An article prepared from the wood binder of claim 16 .
19. An article prepared from the process of claim 6 .