A binder based predominantly on molasses which incorporates both polymeric and monomeric polycarboxylic acid components to form a composite including both melanoidin and polyester polymeric structures. The binder incorporates the chemical profile of molasses with a mixture of polycarboxylic acids wh
A binder based predominantly on molasses which incorporates both polymeric and monomeric polycarboxylic acid components to form a composite including both melanoidin and polyester polymeric structures. The binder incorporates the chemical profile of molasses with a mixture of polycarboxylic acids which combines to form a strong and weatherable binder composition which may be used to bind loosely or non-assembled matter.
대표청구항▼
1. A method of binding loosely or non-assembled matter comprising: providing an aqueous binder comprising carbohydrates having a dextrose equivalent of about 5 to about 100,a monomeric polycarboxylic acid, anda polymeric polycarboxylic acid;disposing the aqueous binder on a collection of matter; and
1. A method of binding loosely or non-assembled matter comprising: providing an aqueous binder comprising carbohydrates having a dextrose equivalent of about 5 to about 100,a monomeric polycarboxylic acid, anda polymeric polycarboxylic acid;disposing the aqueous binder on a collection of matter; anddrying the aqueous binder to form an uncured binder and thermally curing the uncured binder to form the collection of matter bound with a cured, thermoset binder. 2. The method of claim 1, wherein the carbohydrates comprise dextrins. 3. The method of claim 1, wherein the carbohydrates comprise low molecular-weight carbohydrates. 4. The method of claim 1, wherein the polymeric polycarboxylic acid is selected from a group consisting of a polyacrylic acid, polymethacrylic acid, polymaleic acid, copolymers thereof, and mixtures thereof. 5. The method of claim 4, wherein the polymeric polycarboxylic acid has a molecular weight of about 2000 g/mol to about 6000 g/mol. 6. The method of claim 1, wherein the monomeric polycarboxylic acid is selected from a group consisting of citric acid, maleic acid, tartaric acid, malic acid, succinic acid, and mixtures thereof. 7. The method of claim 1, wherein the aqueous binder further comprises a catalyst selected from a group consisting of an alkali metal polyphosphate, an alkali metal dihydrogen phosphate, a polyphosphoric acid, an alkyl phosphinic acid, and an oligomer or a polymer bearing phosphorous-containing groups and mixtures thereof. 8. The method of claim 7, wherein the catalyst is sodium hypophosphite. 9. The method of claim 1, wherein the collection of matter comprises mineral fibers selected from a group consisting of glass fibers and rock wool fibers. 10. The method of claim 1, wherein the cured binder includes between about 0.02% and about 2% nitrogen as determined by elemental analysis. 11. The method of claim 1, in which the cured, thermoset binder is formaldehyde free. 12. The method of claim 1, wherein the aqueous binder is disposed on the collection of matter by spraying. 13. The method of claim 1, wherein the collection of matter is a mineral wool insulation product. 14. The method of claim 1, wherein the aqueous binder further comprises a material selected from the group consisting of a silicon-containing compound, gamma-aminopropyltriethoxysilane, gamma-glycidoxypropyltrimethoxysilane, aminoethylaminopropyltrimethoxysilane, an amino-substituted silane and mixtures thereof. 15. The method of claim 1, wherein the curing includes heating at a temperature from about 150° C. to about 315° C. 16. The method of claim 1, wherein the cured, thermoset binder is a composite melanoidin polyester binder. 17. The method of claim 1, wherein the aqueous binder comprises no more than 50% by dry weight of the uncured binder of a combination of the polymeric polycarboxylic acid and the monomeric polycarboxylic acid. 18. The method of claim 1, wherein in the aqueous binder the ratio of the polymeric polycarboxylic acid to the monomeric polycarboxylic acid is from about 0.25 to about 1.5 by weight. 19. The method of claim 1, wherein in the aqueous binder the ratio of the carbohydrates to the combination of the carbohydrates, the polymeric polycarboxylic acid, and the monomeric polycarboxylic acid is from about 0.5 to about 0.9 by weight. 20. The method of claim 1, wherein in the aqueous binder the ratio of the carbohydrates to the combination of the carbohydrates, the polymeric polycarboxylic acid, and the monomeric polycarboxylic acid is from about 0.4 to about 0.8 by weight. 21. The method of claim 1, wherein in the aqueous binder the ratio of the carbohydrates to the combination of the carbohydrates, the polymeric polycarboxylic acid, and the monomeric polycarboxylic acid is 0.4 or more by weight. 22. The method of claim 1, wherein in the aqueous binder the ratio of the carbohydrates to the combination of the carbohydrates, the polymeric polycarboxylic acid, and the monomeric polycarboxylic acid is 0.9 or less by weight. 23. The method of claim 1, wherein in the aqueous binder the ratio of the polymeric polycarboxylic acid to the combination of the carbohydrates, the polymeric polycarboxylic acid, and the monomeric polycarboxylic acid is from about 0.01 to about 0.4 by weight. 24. The method of claim 1, wherein in the aqueous binder the ratio of the polymeric polycarboxylic acid to the combination of the carbohydrates, the polymeric polycarboxylic acid, and the monomeric polycarboxylic acid is from about 0.033 to about 0.6 by weight. 25. The method of claim 1, wherein in the aqueous binder the ratio of the polymeric polycarboxylic acid to the combination of the carbohydrates, the polymeric polycarboxylic acid, and the monomeric polycarboxylic acid is 0.01 or more by weight. 26. The method of claim 1, wherein in the aqueous binder the ratio of the polymeric polycarboxylic acid to the combination of the carbohydrates, the polymeric polycarboxylic acid, and the monomeric polycarboxylic acid is 0.6 or less by weight. 27. The method of claim 1, wherein in the aqueous binder the ratio of the monomeric polycarboxylic acid to the combination of the carbohydrates, the polymeric polycarboxylic acid, and the monomeric polycarboxylic acid is from about 0.05 to about 0.4 by weight. 28. The method of claim 1, wherein in the aqueous binder the ratio of the monomeric polycarboxylic acid to the combination of the carbohydrates, the polymeric polycarboxylic acid, and the monomeric polycarboxylic acid is 0.05 or more by weight. 29. The method of claim 1, wherein in the aqueous binder the ratio of the monomeric polycarboxylic acid to the combination of the carbohydrates, the polymeric polycarboxylic acid, and the monomeric polycarboxylic acid is 0.4 or less by weight.
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