-
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.
-
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
-
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.
-
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.
-
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.
-
Sulfomethylated kraft lignin
Sulfomethylated kraft lignin is a kraft lignin that has a solfomethylated group attached to the orto position of phenolic group of lignin. Its molecular  weight is approximately  3000-4000 g/mol and has a chargr density of -1.1~ -1.6 meq/g and fairly good solubility in water.
-
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.
-
Sulfobutylated kraft lignin
Sulfobutylated kraft lignin is an anionic lignin-based macromolecules that has sulfobutylated group attached to its aliphatic and phenolic group. It is a water soluble material with the charge density of -1.5~ -2.3 meq/g and molecular weight of 4200-6200 g/mol, respectively.
-
Sulfohydroxypropylated kraft lignin
Sulfohydroxypropylated kraft lignin is an anionic material that has a sulfonated hydroxypropyl group attached to its phenolic group. It is a high water soluble material with the charge density of -2.5 ~ -3.3 meq/g and molecular weight of and 4000-6000 g/mol, respectively.
-
Sulfonated kraft lignin
Sulfonated kraft lignin is a water soluble lignin produced via sulfonation of kraft lignin by attaching sulfonated group mainly to aliphatic groups. It has a charge density of -1.0 ~ -1.2 meq/g with high solubility in water and across pH range. Its molecular weight is around 4000-8000 g/mol.
-
Sulfophenolated kraft lignin
The sulfophenolated kraft lignin is a phenolated enriched kraft lignin that has a sulfonate group attached to the ortho position of phenolic groups. It has a charge density of -1.5 ~ -3.1 meq/g with partial solublity in water. Its molecular weight is in the range of 4000-8000 g/mol.