Chitosan

Industrial chitosan

Industrial chitosan
Industrial chitosan

Description

Reviews

English Name:  Chitosan Industrial Grade chitin, chitosan, chitin, etc.

Origin From: Crab shells

Molecular Formula: (C6H11NO4)n

Character: The appearance is grayish-white, non-toxic, tasteless, amorphous, translucent, pearlescent flake or powdery solid; decomposed at 185°c. Insoluble in water and alkali solution, soluble in dilute hydrochloric acid, nitric acid and other inorganic acids, as well as most organic acids.

Product application:

1. in the field of papermaking, cationic chitosan is widely used in various papermaking auxiliaries with the following excellent characteristics :

(1) linear water-soluble polymer with large relative molecular weight, strong film-forming ability and sufficient adhesion strength to the fiber ;

(2) good compatibility with cellulose without destroying the hydrogen bond between cellulose molecules ;

(3) functional groups can fully contact the paper fiber and can firmly bind it through ionic bonds or hydrogen bonds; and

(4) nontoxic, biodegradable natural products.

 

2. in the field of tobacco, chitosan is a good performance of tobacco thin film glue, and has the characteristics of improving taste, burning non-toxic and no odour.

3. in the field of environmental protection: for sewage treatment, protein recovery, water purification and so on.

4. in the field of functional materials: for membrane materials, carriers, adsorbents, fibers, medical materials, etc.

 5. in the field of textile: used for fabric finishing, health care underwear, papermaking aids and so on.

6. in agriculture: for bio-organic fertilizer, seed treatment, soil improvement, feed addition, etc.

Test Items

Specifications

Colour and lustre

White or yellowish

Taste and smell

Allow a small amount of inherent odor

Viscosity 

20-500

Character

Powder

Moisture

 ≤12.0 %

Ash Content

≤2.0%

pH value

6.5-8.5

DAC

≥85 %

As

≤1.0 mg/kg

Pb

≤10.0 mg/kg

 

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