PVP 9003-39-8
Hot Sale! Buy High Quality High Purity 99% Povidone(PVP K12/PVP K17/PVP K25/PVP K30/PVP K90) 9003-39-8 Powder In Medicine with competitve price and Fast Delivery. Polyvinylpyrrolidone (PVP), also known as polyvidone or povidone, is a synthetic water-soluble polymer derived from the monomer N-vinylpyrrolidone. Boai NKY Pharmaceuticals Ltd. is a 9003-39-8 Good Supplier In China, We supply Cosmetics Grade PVP.
NKY ConduliTM
Product name: NKY Conduli.
Chemical composition: Polymer of 1-vinyl-2-pyrrolidone.
USP/EP name: Povidone, povidonum.
INCI: PVP
CAS NO.: 9003-39-8
Appearance: White or cream white flowable powder, odorless or slightly chemical-characterized smell. PVP exists as a white to off-white hygroscopic powder that is soluble in water.
Properties:
Nontoxic; Non-irritant; Hygroscopic; Free soluble in water, alcohol, ammonia and most of other organic solvent.
Excellent solubility, film-forming, chemical stability, physiological inert, complexation & binding property.
Product grade: Electronic-using grade.
Models: Products are classified according to their K-values, which was calculated based on polymer molecular weight & viscosity of PVP solution.
|
Product Model |
K-value |
Average viscosity molecular weight |
Main Application |
|
K12 |
10.2-13.8 |
3000-7000 |
Solubilizer, dispersant and crystallization inhibitor in liquid preparation. |
|
K15 |
12.75-17.25 |
8,000-1,2000 |
|
|
K17 |
15.3-18.36 |
10,000-16,000 |
|
|
K25 |
22.5-27.0 |
30,000-40,000 |
Binder, film-forming agent, solubilizer, suspension stabilizer and dispersant in paste or slurry. |
|
K30 |
27-32.4 |
45,000-58,000 |
|
|
K60 |
54-64.8 |
270,000-400,000 |
Binder, thickener, suspension stabilizer in paste or slurry. |
|
K90 |
81-97.2 |
1,000,000-1,500,000 |
Noted:
1. K-value was converted from kinematic viscosity of 1% PVP solution.
Average viscosity molecular weight was calculated by using Mark-Houwink formula.
2. K30 approval number: (95) MPN F-01.
Product advantage: Moisture content of PVP is effectively controlled lower than 2%.
Application: Dispersant in Carbon nano-tube (CNT) conductive paste.
Dispersant in graphene conductive paste.
Dispersant in composite conductive paste (CNT+Graphene).
Found in gels, mousses, styling creams/lotions, hair colorants, pomades, waxes, pastes, and electrospinning.
Carbon nano-tube conductive paste
Adding PVP as dispersant for production of conductive paste.
Two beakers of suspensions of CNT conductive paste were used to verify the dispersive capacity of PVP K30. One beaker of suspension with addition of PVP K30 (Sample A), while the other one didn’t (Sample B). These two samples were took out for comparison after placement of 96 hours. Sample A kept staying as uniform suspension, while sample B was obviously stratified. PVP K30 was validated an very effective dispersant to produce stable CNT conductive paste.
China Council for Academic Studies & Technical Exchange of stored energy, power battery & its essential materials.
Formulation examples of carbon nano-tube conductive paste
|
Materials |
Unit |
Formula A |
Formula B |
Formula C |
Formula D |
Formula E |
|
PVP |
% |
1.33 |
1.08 |
1 |
1 |
1.25 |
|
CNT |
% |
2.8 |
4.3 |
5 |
4 |
5 |
|
Purity of CNT |
% |
＞99.1 |
＞99.8 |
＞99.8 |
＞99 |
＞99.7 |
|
Diameter of CNT |
nm |
5-11 |
7-11 |
10-15 |
7-11 |
13-25 |
