Cosmetic Raw Meterial Adhesive Polyvinylpyrrolidone K90

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Last update: 2017-11-29 20:13
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Cosmetic raw meterial adhesive polyvinylpyrrolidone k90

Product Name: Polyvinylpyrrolidone

Chemical Description: Homopolymer of 1-Vinly-2-Pyrrolidone,Polyvinylpyrrolidone

INCI/CTFA: PVP

Pharmacopeia Name: Povidone(Povidonum)

CAS NO.: 9003-39-8

Formula structure:

 

        

Product Properties

 Povidone is a hygroscopic polymer ,supplied in white or creamy white powder or flakes,ranging from low to high viscosity & low to high molecular weight,which characterized by K Value.Its easily soluble in water and many other organic solvents,with excellent hygroscopisty,film-forming,adhesive,chemical stability and toxicological safeness characters.

 

Applications

Pharmaceutical Grade PVP

 Povidone is one of the most important excipient in the worldwide for pharmaceutical industry,whatever for human health care products and animal health care products.Its more and more used as:1)Binder for tables,capsule,2)Sugar coatings and films,3)Thickening agent,4)Solubility Improver for poorly soluble drugs,5)Bioavailability Enhancer for drugs active ingredients,6)Pore-forming for membrane products.


Cosmetic Grade PVP

Cosmetic Grade PVP products are suitable for fourmulations which used as film forming and viscosity modification,especially in hair styling products,mousse gels and lotions & solution,PVPs also used as dispersion agent in Hair-dying,pigment products formulations.


 Technical Grade PVP

Technical grade PVP are being used in Textiles/Fibers,Adhesives,Coatings/paintings,Laundry/Household detergent,Inks,Ceramics and other hi-tech industries.

Specifications:

Product

Povidone K15

Povidone K17

Povidone K25

Povidone K30

Povidone K60

Povidone K90

Appearance

White or yellowish-white,hygroscopic powder or flakes

Solubility

Freely soluble in water,in ethano(96%) and in methanol,very slightly soluble in acetone.

Appearance of Solution

Clearly and not moren intensely coloured than reference solution B6,BY6 or R6

Identifications

Meet ID Tests

pH Value(5% in aqueous solution)

3.0-5.0

3.0-5.0

3.0-5.0

3.0-5.0

4.0-7.0

4.0-7.0

Viscosity(Expressed as K Value)

12.75-17.25

15.3-18.36

22.5-27.0

27.0-32.4

54.0-64.8

81.0-97.2

Adehydes(Expressed as Acetaldehyde)

500 ppm max.

500 ppm max.

500 ppm max.

500 ppm max.

500 ppm max.

500 ppm max.

Peroxides(Expressed as H2O2)

400ppm max.

400 ppm max

400 ppm max

400 ppm max

400 ppm max

400 ppm max

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