
Vinylpyrrolidone Polymer88-12-0
Vinylpyrrolidone Polymer88-12-0 Technical Definition
Vinylpyrrolidone Polymer88-12-0 (N-Vinylpyrrolidone, CAS 88-12-0) is a reactive monomer for radical polymerization. Key specs: purity ≥99.5% (GC), bp 91–93°C @10mmHg, density 1.04 g/cm³. Inhibited with 50–100 ppm HQ.
Core Applications
Water-soluble polymers: PVP K30/K90 pharmaceuticals
01
Antiseptic complexes: PVP-Iodine (Betadine®)
02
Copolymer resins: Hairspray/adhesive films
03
Photoresists: Semiconductor photolithography
04
Hydrogels: Medical device coatings
05
Critical Specifications
|
Parameter |
Specification |
|
CAS No |
88-12-0 |
|
Purity (GC) |
≥99.5% |
|
Inhibitor (HQ) |
50–100 ppm |
|
Water Content |
≤0.1% (Karl Fischer) |
|
Color (APHA) |
≤20 |
Polymerization Protocol
Initiators: AIBN/KPS @ 60–80°C
Oxygen Control: <2 ppm N₂ blanket
Exotherm Risk: Cool below 30°C during storage
Incompatibilities: Avoid peroxides/strong acids
Performance Validation
◢ PVP K30 Yield: ≥98.5% conversion
◢ Copolymer Tg: 70–160°C (adjustable)
◢ Residual Monomer: ≤100 ppm in final polymer
◢ Reactivity: 8x faster vs. acrylamides
Supply Specifications
◢ Packaging: 190kg stainless steel drums (N₂-sparged)
◢ Stability: 12 months @ <25°C (darkness)
◢ Compliance: REACH/FDA 21 CFR 175.105
◢ Safety: SDS with TDG Class 6.1 certification
Description:
Company Name : Ulanqab Kema New Material Co.,Ltd
Company Prospects and mission:
Inner Mongolia Baiyanhu Chemical Co., Ltd. is a large-scale domestic commercial calcium carbide production enterprise with a history of nearly 30 years. PVP project is a strategic project of its implementation industry. The goal is to move from the traditional heavy chemical industry to the fine chemical industry with high added value on the basis of giving full play to the leading position of Baiyan Lake Company in the industry. PVP products have broad prospects in the field of fine chemical subdivision, especially in various membrane materials, biomaterials, nanomaterials and other fields.
Huzhou Shenhua Polymer Material Co., Ltd., which is jointly owned by Baiyan Lake Company, is undertaking the "Annual output of 3,000 tons of polymer material PVP project for kidney dialysis membrane" of the strong foundation project. The project has been built in Anji, Zhejiang. At that time, the NVP products of Kema New Materials Co., Ltd. of Wulanchabu will be applied to the manufacturing of kidney dialysis membrane materials, and take this as an opportunity to develop into the direction of a full series of PVP; Strive to build into the backbone of China's PVP industry.






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