Disclosed herein are compositions that include at least about 75 weight percent (wt %) alkylated lignin based on the total weight of the composition without any solvent(s). The material having a tensile strength of at least about 35 MPa, an elongation-to-break of at least about 1.5%, or both. Articl
Disclosed herein are compositions that include at least about 75 weight percent (wt %) alkylated lignin based on the total weight of the composition without any solvent(s). The material having a tensile strength of at least about 35 MPa, an elongation-to-break of at least about 1.5%, or both. Articles including such materials and methods of forming the same are also disclosed.
대표청구항▼
1. An article formed from a composition comprising: at least about 75 weight percent (wt %) alkylated native lignin, unalkylated native lignin, or combinations thereof based on the total weight of the composition without any solvent(s), wherein the article has an elongation-at-break of at least abou
1. An article formed from a composition comprising: at least about 75 weight percent (wt %) alkylated native lignin, unalkylated native lignin, or combinations thereof based on the total weight of the composition without any solvent(s), wherein the article has an elongation-at-break of at least about 1.5%, a tensile strength of at least about 35 MPa, or both. 2. The article according to claim 1, wherein the alkylated native lignin, unalkylated native lignin, or combinations thereof comprises ball milled lignin. 3. The article according to claim 1, wherein the alkylated native lignin comprises methylated ball milled lignin. 4. The article according to claim 1, wherein the composition further comprises lignosulfonate. 5. The article according to claim 1, wherein the composition further comprises methylated lignosulfonate. 6. The article according to claim 1, wherein the alkylated native lignin is methylated with dimethyl sulfate. 7. The article according to claim 6, wherein the alkylated native lignin is further methylated with diazomethane. 8. The article according to claim 1, wherein the composition further comprises a plasticizer. 9. The article according to claim 1, wherein the composition consists essentially of alkylated native lignin or native lignin. 10. The article according to claim 1, wherein the article is formed using solvent casting. 11. The article according to claim 1, wherein the article is formed using melt blending, extrusion, or any combination thereof. 12. The article according to claim 1, wherein the article has a tensile strength of at least about 35 MPa. 13. The article according to claim 1, wherein the article has an elongation-at-break of at least about 1.5%. 14. A material formed from a composition, the composition comprising: at least about 75 weight percent (wt %) alkylated native lignin, unalkylated native lignin, or combinations thereof based on the total weight of the composition without any solvent(s), the material having a tensile strength of at least about 35 MPa and an elongation-to-break of at least about 1.5%. 15. The material according to claim 14, wherein the material comprises alkylated native ball milled lignin, unalkylated native ball milled lignin, or combinations thereof. 16. The material according to claim 14, wherein the composition further comprises alkylated lignosulfonate or unalkylated lignosulfonate. 17. The material according to claim 14, wherein the material further comprises a plasticizer. 18. The material according to claim 14, wherein the material comprises about 85 wt % alkylated native lignin, unalkylated native lignin, or combinations thereof based on the total weight of the composition without any solvent(s). 19. The material according to claim 14, wherein the material consists essentially of alkylated native lignin.
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이 특허에 인용된 특허 (2)
Sarkanen Simo ; Li Yan, Compositions based on lignin derivatives.
Naae Douglas G. (Houston TX) Whittington Lawrence E. (Katy TX) Ledoux Will A. (Sugar Lane TX) Debons Francis E. (Richmond TX), Surfactants from lignin.
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