Polyvinyl Pyrrolidone
Company Profile
Hangzhou Weitong Nanomaterials Co., Ltd. is an innovative enterprise focusing on the field of nanomaterials, founded in 2015. We mainly produce and sell N-vinylpyrrolidone and downstream PVP series products. Hangzhou Weitong Nano Materials Co., Ltd. is committed to providing customers with the most suitable products in line with the enterprise spirit of "integrity, innovation, dedication and cooperation".
Advantages to choose us
Free sample service
We can provide you with free samples if you want.
Direct factory, competitive price
We are the manufacturer, and we produce these products by ourselves, so there is no extra payment link in the middle. We can give you the most competitive price.
Quality control
We have the ISO9001 certificate, and we strictly follow GMP production standards for production.
Good after-sale service
We have a sound after-sales service system, so whatever you have any doubt about the product, you can strictly contact us, we will give you a satisfied plan.
What can you get from us?
You can get excellent products (strict quality control ) ,factory direct sale (favorable and competitive price),great service( after-sales services, fast delivery)and professional business consultation.
What Is Polyvinyl Pyrrolidone?
Polypyrrolidone, also known as polyvinylpyrrolidone or PVP, is a water-soluble polymer with a wide range of applications in various industries. It is commonly used as a binder and thickening agent in pharmaceuticals, as well as in personal care products like shampoos, lotions, and toothpaste. Its excellent solubility in water makes it ideal for use in liquid formulations, as it helps to improve product stability and enhance drug solubility. Polypyrrolidone is also widely used as a dispersant and film former, helping to improve the quality of coatings, paints, and adhesives. Additionally, it has applications in the food industry as a clarifying agent and as a thickener in brewing and wine-making. With its versatility and unique properties, Polypyrrolidone continues to find new and innovative applications across a range of industries.
Application
As a result, Polypyrrolidone is widely used as an excipient for pharmaceutical preparations, and its specific applications are as follows:
Used as a binder for preparations
01
Co-precipitating agent
02
Used as a co-solvent or crystal formation inhibitor in injections
03
Coating or film-forming agent
04
Controlled release of retarder and sustained-release drug can prolong the action time of the drug
05
Artificial vitreous and cornea
06
Surgical bandage
07
PVP iodine disinfectant
08
In addition, PVP can also be used as a colorant and X-ray contrast agent; it can be used in various dosage forms such as tablets, granules, liquids, etc. It has the effects of detoxification, hemostasis, improving solubility, preventing peritoneal adhesion, and promoting erythrocyte sedimentation rate.
Product Category
Polypyrrolidone, also known as PVP, is a water-soluble polymer that comes in several different grades and classifications. There are three main classifications of Polypyrrolidone: K, VA, and VP. K-PVP, also known as low molecular weight PVP, is used primarily as a binder or dispersant in pharmaceutical formulations. VA-PVP, or vinyl acetate polymerized PVP, is used mainly in the cosmetics industry as a binder, thickener, and film former in products like hair gels, lotions, and sunscreens. VP-PVP, or vinylpyrrolidone polymerized PVP, is used as a binder in tablets and capsules, as well as a thickening and dispersing agent in paints, coatings, and adhesives. Other variations include crosslinked PVP, which is used as a disintegrant in tablets, and copolymer PVP, which is used in a variety of cosmetic, pharmaceutical, and industrial applications. With its versatility and range of classifications, Polypyrrolidone can be tailored to fit the needs of many different products and industries.
Product Parameters of Polyvinyl Pyrrolidone
|
Product Name |
PVP K12 |
PVP K15 |
PVP K17 |
PVP K25 |
PVP K30 |
PVP K60 |
PVP K90 |
|
|
Appearance, |
White to Milky White Powder |
|||||||
|
K Value, |
10.2-13.8 |
12.75-17.25 |
15.3-18.36 |
22.5-27.0 |
27-32.4 |
54-64.8 |
81-97.2 |
|
|
NVP Residue |
(CP2005/USP26)%max |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
|
(USP31/EP6/BP2007) ppm max |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
|
|
Moisture, |
5.0 |
5.0 |
5.0 |
5.0 |
5.0 |
5.0 |
5.0 |
|
|
Solid Content, |
95 |
95 |
95 |
95 |
95 |
95 |
95 |
|
|
pH Value, |
3.0-5.0 |
3.0-5.0 |
3.0-5.0 |
3.0-5.0 |
3.0-5.0 |
4.0-7.0 |
4.0-7.0 |
|
|
Sulfate Ash %max, |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
|
|
Nitrogen Content% |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
|
|
2-Pyrrolidone (Impurity B) %max, |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
|
|
Aldehyde (Acetaldehyde) ppm max, |
500 |
500 |
500 |
500 |
500 |
500 |
500 |
|
|
Heavy Metals (Lead) ppm max |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
|
|
Album pDm maX, |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
|
|
Peroxide (Hydrogen Peroxide) ppm max, |
400 |
400 |
400 |
400 |
400 |
400 |
400 |
|
FAQS