Formaldehyde-free protein-containing binder compositions
AssigneeJohns Manville
InventorsMingfu Zhang, Kiarash Alavi Shooshtari, Jawed Asrar
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Abstract
One-part binder compositions are described that may include a protein and a crosslinking combination. The crosslinking combination may include at least a first crosslinking compound and a second crosslinking compound. The first and second crosslinking compounds are individually crosslinkable with each other and with the protein. Examples of the protein include soy protein. Fiber products and methods of making the fiber products are also described. The fiber products may include organic fibers, inorganic fibers, or both, in a cured thermoset binder based on solutions of the one-part binder compositions.
Claims14
A one-part binder composition comprising an aqueous mixture of:
- a protein;
- and
- an aqueous solution comprising at least a first crosslinking compound comprising a solution polymer compound of styrene and maleic anhydride and a second crosslinking compound comprising a crosslinking agent of a polyol, an alkanol amine, or a polyamine, wherein the first and second crosslinking compounds are individually crosslinkable with each other and with the protein, and wherein the aqueous solution does not include an emulsion of the first crosslinking compound or the second crosslinking compound.
Dependencies are inferred from the claim text.