Protein-containing adhesives, and manufacture and use thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08L-097/02
C09J-189/00
C09J-175/04
C08H-001/00
C08G-018/40
C08G-018/64
C08L-023/08
출원번호
US-0553328
(2014-11-25)
등록번호
US-9416303
(2016-08-16)
발명자
/ 주소
Parker, Anthony A.
Marcinko, Joseph J.
출원인 / 주소
Biopolymer Technologies, Ltd.
대리인 / 주소
Goodwin Procter LLP
인용정보
피인용 횟수 :
5인용 특허 :
123
초록
The invention provides protein adhesives and methods of making and using such adhesives. The protein adhesives contain ground plant meal or an isolated polypeptide composition obtained from plant biomass.
대표청구항▼
1. An adhesive composition comprising: (a) from about 1% to about 90% (w/w) of a reactive prepolymer;(b) water; and(c) ground plant meal in an amount sufficient to disperse the reactive prepolymer in an aqueous medium; wherein the ground plant meal is derived from cotton, soy, flax, or a combination
1. An adhesive composition comprising: (a) from about 1% to about 90% (w/w) of a reactive prepolymer;(b) water; and(c) ground plant meal in an amount sufficient to disperse the reactive prepolymer in an aqueous medium; wherein the ground plant meal is derived from cotton, soy, flax, or a combination thereof; the ground plant meal being present in an amount ranging from about 1% (w/w) to about 50% (w/w) of the adhesive composition. 2. The composition of claim 1, wherein the ground plant meal has a particle size in the range of from about 1 μm to about 200 μm. 3. The composition of claim 1, wherein the ground plant meal has a particle size in the range of from about 10 μm to about 70 μm. 4. The composition of claim 1, wherein the ground plant meal is present in an amount sufficient to disperse the reactive prepolymer in an aqueous medium to form a dispersion or emulsion that exhibits no phase separation by visual inspection for at least 5 minutes after mixing the reactive prepolymer with the ground plant meal. 5. The composition of claim 1, wherein the ground plant meal is present in an amount such that the viscosity of the adhesive formulation increases by no more than about 50% within about 20 minutes after mixing the prepolymer and ground plant meal with a nucleophile. 6. The composition of claim 5, wherein the nucleophile is water, an urea, a hydroxyl-containing compound, an amine-containing compound, an amide-containing compound, a sulfhydryl-containing compound, or a mixture thereof. 7. The composition of claim 5, wherein the nucleophile is urea. 8. The composition of claim 1, wherein the ground plant meal is present in an amount from about 5% to about 35% (w/w) of the adhesive composition. 9. The composition of claim 1, wherein the composition is in the form of a liquid. 10. The composition of claim 1, wherein upon curing the composition forms a solid binder composition. 11. The composition of claim 10, wherein the solid binder composition has one or more of the following features: i) comprises from about 5% to about 75% (w/w) of ground plant meal;ii) comprises from about 5% to about 75% (w/w) of a polymeric material formed from the reactive prepolymer; andiii) is a thermoset solid. 12. The composition of claim 1, further comprising a formaldehyde scavenging agent. 13. The composition of claim 12, wherein the formaldehyde scavenging agent has the formula RNH2, R2NH, RC(O)NH2, RN(H)C(O)NH2, R2NC(O)NH2, or RN(H)C(O)N(H)R, wherein R represents independently for each occurrence H, alkyl, aryl, or aralkyl. 14. The composition of claim 12, wherein the formaldehyde scavenging agent is H2NC(O)NH2. 15. The composition of claim 12, wherein the mole ratio of formaldehyde scavenging agent to reactive prepolymer is at least 5:1. 16. The composition of claim 12, wherein the formaldehyde scavenging agent is present in an amount from about 1% to about 50% (w/w) of the adhesive composition. 17. The composition of claim 1, wherein the reactive prepolymer is a polyisocyanate-based prepolymer, an epoxy-based prepolymer, a latex-based prepolymer, a latex prepolymer, or a combination thereof. 18. The composition of claim 1, wherein the reactive prepolymer is a polyisocyanate-based prepolymer. 19. The composition of claim 18, wherein the polyisocyanate-based prepolymer is an organic polyisocyanate; or a reaction product between an organic polyisocyanate and a polypeptide, a polyol, an amine based polyol, an amine containing compound, a hydroxy containing compound, or a combination thereof. 20. The composition of claim 1, wherein the reactive prepolymer is an organic polyisocyanate selected from the group consisting of polymeric diphenylmethane diisocyanate (PMDI), 4,4′-methylenediphenyl, diisocyanate (4,4′-MDI), 2,4-methylenediphenyl, diisocyanate (2,4-MDI), or a combination thereof. 21. The composition of claim 1, wherein the water is present in an amount from about 30% (w/w) to about 6%(w/w) of the adhesive composition. 22. The composition of claim 1, further comprising a catalyst. 23. The composition of claim 22, wherein the catalyst is a primary amine, a secondary amine, a tertiary amine, an organometallic compound, or a combination thereof. 24. The composition of claim 1, further comprising an additive. 25. The composition of claim 24, wherein the additive is glycerin, corn syrup, a poly(C2-C6)alkylene, mineral oil, an ethylene/propylene/styrene copolymer, a butylene/ethylene/styrene copolymer, soy oil, castor oil, or a mixture of one or more of the foregoing. 26. The composition of claim 24, wherein the additive is an agent that improves moisture-resistance, a composite-release promoter, a pH modulator, or an antimicrobial agent. 27. A solid binder composition formed by curing a composition of claim 1. 28. A method of bonding a first article to a second article comprising: (a) depositing on a surface of the first article the adhesive composition of claim 1 thereby to create a binding area; and(b) contacting the binding surface with a surface of the second article thereby to bond the first surface to the second surface. 29. A method of producing a composite material comprising: (a) combining a first article and a second article with the adhesive composition of claim 1 to produce a mixture; and(b) curing the mixture produced by step (a) to produce the composite material. 30. An article comprising two or more components bonded together using the adhesive composition of claim 1. 31. The article of claim 30, wherein the bonded components are selected from the group consisting of paper, wood, glass, metal, fiberglass, wood fiber, ceramic, ceramic powder, plastic, and a combination thereof. 32. An article produced using the adhesive composition of claim 1. 33. The article of claim 32, wherein the article is a composite. 34. The article of claim 30, wherein the article comprises paper, wood, glass, fiberglass, wood fiber, ceramic, ceramic powder, or a combination thereof. 35. The article of claim 33, wherein the composite is chip board, particle board, fiber board, oriented strand board, plywood, laminated veneer lumber, glulam, laminated whole lumber, laminated composite lumber, composite wooden I-beams, medium density fiberboard, high density fiberboard, extruded wood, or fiberglass. 36. The composition of claim 1, wherein ground plant meal is derived from soy. 37. The composition of claim 36, wherein water is present in an amount from about 30% (w/w) to about 75% (w/w) of the adhesive composition. 38. The composition of claim 37, wherein the ground plant meal has a particle size in the range of from about 1 μm to about 200 μm. 39. The composition of claim 36 , wherein the ground plant meal is present in an amount sufficient to disperse the reactive prepolymer in an aqueous medium to form a dispersion or emulsion that exhibits no phase separation by visual inspection for at least 5 minutes after mixing the reactive prepolymer with the ground plant meal. 40. The composition of claim 36, wherein the ground plant meal is present in an amount such that the viscosity of the adhesive formulation increases by no more than about 50% within about 20 minutes after mixing the prepolymer and ground plant meal with a nucleophile, wherein the nucleophile is urea. 41. The composition of claim 36, wherein the reactive prepolymer is a polyisocyanate-based prepolymer. 42. The composition of claim 41, wherein the polyisocyanate-based reactive prepolymer is a polymer comprising a terminal reactive isocyanate group. 43. The composition of claim 36, wherein the reactive prepolymer is an organic polyisocyanate selected from the group consisting of polymeric diphenylmethane diisocyanate (PMDI), 4,4′-methylenediphenyl, diisocyanate (4,4′-MDI), 2,4-methylenediphenyl, diisocyanate (2,4-MDI), or a combination thereof. 44. A solid binder composition formed by curing a composition of claim 36. 45. An article comprising two or more components bonded together using the composition of claim 36. 46. The composition of claim 37, wherein the reactive prepolymer is a polyisocyanate -based prepolymer. 47. The composition of claim 39, wherein the reactive prepolymer is a polyisocyanate -based prepolymer. 48. The composition of claim 40, wherein the reactive prepolymer is a polyisocyanate -based prepolymer. 49. The composition of claim 37, wherein the reactive prepolymer is an organic polyisocyanate selected from the group consisting of polymeric diphenylmethane diisocyanate (PMDI), 4,4′-methylenediphenyl, diisocyanate (4,4′-MDI), 2,4-methylenediphenyl, diisocyanate (2,4-MDI), or a combination thereof. 50. The composition of claim 39, wherein the reactive prepolymer is an organic polyisocyanate selected from the group consisting of polymeric diphenylmethane diisocyanate (PMDI), 4,4′-methylenediphenyl, diisocyanate (4,4′-MDI), 2,4-methylenediphenyl, diisocyanate (2,4-MDI), or a combination thereof. 51. The composition of claim 40, wherein the reactive prepolymer is an organic polyisocyanate selected from the group consisting of polymeric diphenylmethane diisocyanate (PMDI), 4,4′-methylenediphenyl, diisocyanate (4,4′-MDI), 2,4-methylenediphenyl, diisocyanate (2,4-MDI), or a combination thereof. 52. The composition of claim 50, wherein water is present in an amount from about 30% (w/w) to about 75% (w/w) of the adhesive composition. 53. The composition of claim 51, wherein water is present in an amount from about 30% (w/w) to about 75% (w/w) of the adhesive composition. 54. A solid binder composition formed by curing a composition of claim 50. 55. A solid binder composition formed by curing a composition of claim 52. 56. An article comprising two or more components bonded together using the composition of claim 50. 57. An article comprising two or more components bonded together using the composition of claim 52.
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