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Lignin

Lignin structure

CAS No:
9005-53-2
Chemical Name:
Lignin
Synonyms:
Lignin;Methyllignin;Native lignin;Protolignin;Reax 31;DHP lignin;Biolignin;Pepper lignin;Cellulase lignin;Acid-precipitable polymeric lignin;APPL;Ball-milled lignin;Protobind 100SA140;Sarkanda;JRS;Lignosuper A;Protobind 2000;Protobind 3000;LS 103 (lignin);LS 103;PF 3035;PF 3035 (lignin);Protobind 300;Protobind 2400;Protobind 4000;Protobind 5000;Protobind 6000;PC 1307;Lignophenol;High-Purity Lignin;DP 870;TCI-L 0082;Biosurfact 8000;Lignol HP-L;MN 1A;FP 250;FP 200;Amalin LPH;8072-92-2;9062-69-5;37222-03-0;37226-40-7;56690-27-8
Categories:
Biochemical Engineering > Chinese Herbs

Description

The term "lignin" is derived from the Latin lignum for wood, and woody plants or parts of plants contain large quantities of this substance. lignin is an irnportant skeletal component of secondary cell walls and is thus not found in young plants or parts of plants that are still growing. It is lignin that provides the hardness and rigidity of tree trunks and the sterns of perennial plants. In the cell wall, lignin is bound to other components, notably hemicelluloses. The lignin-cellulose-hemice

Lignin Basic Attributes

Molecular Weight：

0.00000

EC Number：

232-682-2

HScode：

39072090

Characteristics

PSA：

0.00000

XLogP3：

0.00000

Safety Information

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents.

Lignin Use and Manufacturing

Methods of Manufacturing

There are two good methods for separating lignin: 1. Using vibrating ball milling method to neutralize wood with neutral solvent to make milled wood lignin MWL, which also contains a few percent of carbonized hydrate. This method has been improved and the milled lignin made from spruce contains only 0.05% carbohydrates. 2. The use of enzymes that can effectively dissolve cellulose and hemicellulose has been much higher in the milling lignin in the vibration ball mill, but the carbohydrate content is also higher.

Uses

Source of vanillin, syringic aldehyde, dimethyl sulfoxide.Extender for phenolic plastics, to strengthen rubber (esp for shoe soles), as oil mud additive, to stabilize asphalt emulsions, to precipitate proteins.

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