IP Library Granted Patent US 9,095,142
Granted Patent B2
US 9,095,142 · App. 13/812,402 · Granted Aug 4, 2015

Lignin derivatives having polycations and uses thereof

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Quick Facts
Patent No.
US 9,095,142
App. No.
13/812,402
Granted
Aug 4, 2015
Kind
B2
Abstract

A lignin derivative including one or more polycations is provided and an article including such a lignin derivative is also provided. Methods of inhibiting microbial growth with an article including such a lignin derivative are further provided.

Claims (70)

1. A lignin derivative represented by the Formula I:

wherein:

G is absent or a polymeric group;

R 1 is an alkylene, (alkyleneamino) q , (alkyleneoxy) q , (alkyleneoxyarylene) q , or (alkyleneoxyarylene)alkylene(aryleneoxyalkylene) q moiety, wherein q is from 1 to 10;

R 2 is H or alkyl;

R 3 is a polycation; and

the Lignin is a lignin product derived from a process comprising extraction of finely ground wood, acidic dioxane extraction of wood, steam explosion, dilute acid hydrolysis, ammonia fiber expansion of a biomass, pulping of lignocellulosics, hydrogenolysis of lignin, the acid-catalyzed or base-catalyzed treatment of lignin, or combination of two or more thereof.

2. The lignin derivative of claim 1 , wherein the lignin derivative is thermoplastic.

3. The lignin derivative of claim 1 , wherein G comprises a group selected from a polyacrylate, polyalkylacrylate, polymethacrylate, polyacrylamide, polyolefin, polyepoxide, polyurethane, and polyurea.

4. The lignin derivative of claim 1 , wherein G is absent.

5. The lignin derivative of claim 1 , wherein Lignin-OGR 1 — is a group of formula:

wherein:

R 4 is H, alkyl, alkenyl, alkynyl, alkoxy, ester, or CN;

R 5 is H or alkyl;

R 6 is H or alkyl; and

n is from 1 to 1000.

6. The lignin derivative of claim 5 , wherein R 2 , R 4 , R 5 , and R 6 is each independently H or C 1 -C 4 alkyl.

7. The lignin derivative of claim 1 , wherein R 1 is

8. The lignin derivative of claim 1 , wherein R 3 is a polypeptide having at least one or more amino acid residues selected from lysine, histidine, arginine, tryptophan, ornithine, 2,4-diaminobutyric acid, and 2,3-diaminopropionic acid, and wherein at least one basic residue of the polypeptide is protonated.

9. The lignin derivative of claim 1 , wherein R 3 is selected from poly(methylene-co-guanidine), poly-L-lysine, ε-poly-L-lysine, poly-L-ornithine, poly-L-arginine, poly-L-histidine, poly-L-tryptophan, poly-2,4-diaminobutyric acid, poly-2,3-diaminopropionic acid, and a protamine.

10. The lignin derivative of claim 1 , wherein R 3 is poly(methylene-co-guanidine) or s-poly-L-lysine.

11. An article comprising a lignin derivative represented by Formula I:

wherein:

G is absent or a polymeric group;

R 1 is an alkylene, (alkyleneamino) q , (alkyleneoxy) q , (alkyleneoxyarylene) q , or (alkyleneoxyarylene)alkylene(aryleneoxyalkylene) q moiety, wherein q is from 1 to 10;

R 2 is H or alkyl;

R 3 is a polycation; and

the Lignin is a lignin product derived from a process comprising extraction of finely ground wood, acidic dioxane extraction of wood, steam explosion, dilute acid hydrolysis, ammonia fiber expansion of a biomass, pulping of lignocellulosics, hydrogenolysis of lignin, the acid-catalyzed or base-catalyzed treatment of lignin, or combination of two or more thereof;

wherein the article is a packaging, pharmaceutical, cosmetic, perfume, thermoplastic, garment, paper product, drywall, medical equipment, or toy.

12. The article of claim 11 , wherein G is absent.

13. The article of claim 11 , wherein Lignin-OGR 1 — is a group of formula:

wherein:

R 4 is H, alkyl, alkenyl, alkynyl, alkoxy, ester, or CN;

R 5 is H or alkyl;

R 6 is H or alkyl;

n is from 1 to 1000; and

the Lignin is a lignin product derived from a process comprising extraction of finely ground wood, acidic dioxane extraction of wood, steam explosion, dilute acid hydrolysis, ammonia fiber expansion of a biomass, pulping of lignocellulosics, hydrogenolysis of lignin, the acid-catalyzed or base-catalyzed treatment of lignin, or combination of two or more thereof.

14. The article of claim 11 , wherein G comprises a group selected from a polyacrylate, polyalkylacrylate, polymethacrylate, polyacrylamide, polyolefin, polyepoxide, polyurethane, and polyurea.

15. A method of inhibiting microbial growth, the method comprising: contacting one or more microbes with an article comprising a lignin derivative, wherein the lignin derivative is represented by Formula I:

wherein:

G is absent or a polymeric group;

R 1 is an alkylene, (alkyleneamino) q , (alkyleneoxy) q , (alkyleneoxyarylene) q , or (alkyleneoxyarylene)alkylene(aryleneoxyalkylene) q moiety, wherein q is from 1 to 10;

R 2 is H or alkyl;

R 3 is a polycation; and

the Lignin is a lignin product derived from a process comprising extraction of finely ground wood, acidic dioxane extraction of wood, steam explosion, dilute acid hydrolysis, ammonia fiber expansion of a biomass, pulping of lignocellulosics, hydrogenolysis of lignin, the acid-catalyzed or base-catalyzed treatment of lignin, or combination of two or more thereof.

16. The method of claim 15 , wherein the one or more microbes comprise bacteria or fungi.

17. The method of claim 15 , wherein G is absent.

18. The method of claim 15 , wherein Lignin-OGR 1 — is a group of formula:

wherein:

R 4 is H, alkyl, alkenyl, alkynyl, alkoxy, ester, or CN;

R 5 is H or alkyl;

R 6 is H or alkyl;

n is from 1 to 1000; and

the Lignin is a lignin product derived from a process comprising extraction of finely ground wood, acidic dioxane extraction of wood, steam explosion, dilute acid hydrolysis, ammonia fiber expansion, pulping, pre-treatment of biomass, hydrogenolysis, acid-catalyzed treatment, base-catalyzed treatment, or combination of two or more thereof.

19. A method of coating an article with a lignin derivative, wherein the method comprises contacting an article with one or more groups of Formula I:

wherein:

G is absent or a polymeric group;

R 1 is an alkylene, (alkyleneamino) q , (alkyleneoxy) q , (alkyleneoxyarylene or (alkyleneoxyarylene)alkylene(aryleneoxyalkylene) q moiety, wherein q is from 1 to 10;

R 2 is H or alkyl;

R 3 is a polycation; and

the Lignin is a lignin product derived from a process comprising extraction of finely ground wood, acidic dioxane extraction of wood, steam explosion, dilute acid hydrolysis, ammonia fiber expansion of a biomass, pulping of lignocellulosics, hydrogenolysis of lignin, the acid-catalyzed or base-catalyzed treatment of lignin, or combination of two or more thereof.

20. The method of claim 19 , wherein the article is a packaging, pharmaceutical, cosmetic, perfume, thermoplastic, garment, paper product, drywall, medical equipment, or toy.

21. The method of claim 19 , wherein Lignin-OGR 1 — is a group of formula:

wherein:

R 4 is H, alkyl, alkenyl, alkynyl, alkoxy, ester, or CN;

R 5 is H or alkyl;

R 6 is H or alkyl;

n is from 1 to 1000; and

the Lignin is a lignin product derived from a process comprising extraction of finely ground wood, acidic dioxane extraction of wood, steam explosion, dilute acid hydrolysis, ammonia fiber expansion of a biomass, pulping of lignocellulosics, hydrogenolysis of lignin, the acid-catalyzed or base-catalyzed treatment of lignin, or combination of two or more thereof.

22. The lignin derivative of claim 1 , wherein the lignin is derived from hydrogenolysis of lignin, the acid-catalyzed treatment of lignin, or the base-catalyzed treatment of lignin.

Assignments (1)
SECURITY INTEREST Recorded Jan 29, 2019
From: EMPIRE TECHNOLOGY DEVELOPMENT LLC
To: CRESTLINE DIRECT FINANCE, L.P.
Reel/Frame 048373/0217 →