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Carboxybutylated kraft lignin
Carboxybutylated kraft lignin is an anionic kraft lignin that has carboxybutylated group attached to its phenolic group. It has a charge density of -1.7 ~ -2.0 meq/g and a molecular weight of 3200-4200 g/mol. It is soluble in water, ethanol and acetone.
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Carboxydecanated kraft lignin
Carboxydecanated kraft lignin is an anionic kraft lignin that has carboxydecanated group attached to its phenolic group/ It has a charge density of -1.6 ~ -1.9 meq/g and a molecular weight of 4000-5000 g/mol. It is soluble in water, ethanol and acetone.
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Carboxyethylated lignosulfonate
Carboxyethylated lignosulfonate is an anionic lignosulfonate with carboxylate group of 1.0-2.6 mmol/g, sulfonate group of 1.6 mmol/g and molecular weight of 3200 ~ 4200 g/mol . It is soluble in water and some solvents, such as isopropanol, methanol, and dimethyl sulfoxide. Its charge density is in the ranges of -2.7~ -3.5 meq/g.
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Carboxyheptanated kraft lignin
Carboxyheptanated kraft lignin is an anionic kraft lignin that has a carboxyheptenated group attached to its phenolic group. It has a charge density of -1.7 ~ -2.0 meq/g and a molecular weight of 3500-4500 g/mol. It is soluble in water, ethanol and acetone.
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Carboxymethylated kraft lignin
Carboxymethylated kraft lignin is an anionic kraft lignin that has carboxymethylated group attached to its phenolic ring. It has a the charge density of -1.2 ~ -1.8 meq/g and a molecular weight of 3000-4000 g/mol. It is a pH sensitive macromolecule, and is soluble in water, ethanol and acetone.
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Carboxypantadecanated kraft lignin
Carboxypantadecanated kraft lignin is an anionic kraft lignin that has carboxypantadecanated group attached to its phenolic group. It has a charge density of -1.4 ~ -1.6 meq/g and a molecular weight of 4500-5500 g/mol. It is soluble in water, ethanol and acetone.
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Carboxypentylated lignosulfonate
Carboxypentylated lignosulfonate is an anionic macromolecule that has a carboxypentylated group attached to its phenolic group. It is a water soluble material. Its charge density and molecular weight are in the ranges of -2.1~ -3.1 meq/g and 4000 ~ 5000 g/mol, respectively.
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Carboxypropylated lignosulfonate
Carboxypropylated lignosulfonate is an anionic macromolecule that has a carboxypropylated group attached to its phenolic group. It is a water soluble material. Its charge density and molecular weight are in the ranges of -3.0~ -3.4 meq/g and 3500 ~ 4500 g/mol, respectively.
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Dodecyl glycidyl ether modified kraft lignin
Dodecyl glycidyl ether modified kraft lignin is hydrophobic and water insoluble lignin with a molecular weight of 5.5 ⨯106 to 4.1 ⨯107 g/mol*. The grafting groups is primarily attached to the phenolic group of lignin.
*Measured by static light scattering technology
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Glycidyl-trimethylammonium chloride modified kraft lignin
Glycidyl-trimethylammonium chloride-modified kraft lignin is a cationic kraft lignin with the charge density of 0.6 – 1.1 meq/g and molecular weight of 3000-5000 g/mol. It is a water soluble macromolecule in water in a wide pH range.
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Hydroxymethylated kraft Lignin
Hydroxymethylated kraft lignin is a kraft lignin that has a hydroxymethylated group attached to orto position of phenolic group of lignin. It has a charge density of 0.8-1.55 meq/g with molecular weight of 5000-8000 g/mol. It is partially soluble in water.
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Medium macromolecular oxidized kraft lignin
Medium macromolecular oxidized kraft lignin is an anionic lignin-based material with medium molecular weight (3000-4000 g/mol) and high charge density (-1.2~ -3.6 meq/g).
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Methylated dodecyl glycidyl ether modified kraft lignin
Methylated dodecyl glycidyl ether modified kraft lignin is hydrophobic lignin derivative with a molecular weight of 2.3 ⨯106 to 4.5 ⨯107 g/mol*.
*Measured by static light scattering technology
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Oxidized sulfometylated kraft lignin
Oxidized sulfometylated kraft lignin is an anionic lignin-based low molecular weight material. Its charge density and molecular weight are in the ranges of -3.5 ~ -4.6 meq/g and 3000-4000 g/mol, respectively. It has a carboxylate group content of 2.5 mmol/g and sulfonate group of 2.0 mmol/g.
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Phenolated kraft lignin
The phenolated kraft lignin is a phenolated enriched kraft lignin. It has a molecular weight of 4100 g/mol and partial solubility in alkaline solutions.
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Phosphorylated kraft lignin
Phosphorylated kraft lignin is a phosphour containing kraft lignin based material with the phosphorus content of 0.95 wt.% and molecular weight of 2000-3000 g/mol). It has a higher thermal stability than kraft lignin and water insoluble.