Polyvinylpyrrolidone K (PVP-K Series)
Chemical name ：Homopolymer of Vinylpyrrolidone
CAS No.：9003-39-8
Molecular formula：(C6H9ON)n
Character：
Powder or aqueous solution,diffluent in water,alcohol,amine and halohydrocarbn,but is not dissolved in acetone and aether etc..It has good solubility,biocompatibility,and physiologically inert,film-forming character,colloid protect ability and compound ability to many organic or inorganic compounds.
Specification:
|
Item
|
K Value
|
NVP,%
|
Moisture,%
|
Ash,%
|
PH
|
Nitrogen%
|
Aldehyde,p pm
|
Heavy metal,ppm
|
Peroxide,ppm
|
|
K15
|
12-17
|
≤0.1
|
≤5.0
|
≤0.1
|
3-7
|
11.5-12.8
|
≤500
|
≤10
|
≤400
|
|
K17
|
15-19
|
≤0.1
|
≤5.0
|
≤0.1
|
3-7
|
11.5-12.8
|
≤500
|
≤10
|
≤400
|
|
K25
|
22-28
|
≤0.1
|
≤5.0
|
≤0.1
|
3-7
|
11.5-12.8
|
≤500
|
≤10
|
≤400
|
|
K30
|
26-36
|
≤0.1
|
≤5.0
|
≤0.1
|
3-7
|
11.5-12.8
|
≤500
|
≤10
|
≤400
|
|
K90
|
81-94
|
≤0.1
|
≤5.0
|
≤0.1
|
5-8
|
12.0-12.8
|
≤500
|
≤10
|
≤400
|
Applications:
1:Cosmetic field: Polyvinylpyrrolidone K has best dispersivity and film forming characters,it can be used as case-hardened liquid.hair spray,case-hardened agent of mousse,opacifying agent of Hair conditioner,foam stabilizer and wave case-hardened agent of shampoo,dispersant and affinity agent of tint
2: Industrial Field:Polyvinylpyrrolidone K in dyestuff,paint ink,fiber dye and color kinescope can use as surface cladding agent,dispersant,thickening agent and bond.
3: Pharmaceutical field: It is mainly used as binder for tablet and granule,dissolving assistant for injection,flow assistant for capsule,dispersant for liquid medicine and pigment ,stabilizer for enzyme etc.
Packing:
25kg or 50kg per fiber drum
