Pharmaceutical Industry

Product Introduction

NVP copolymer refers to the polymer formed by the copolymerization of NVP (N-vinyl pyrrolidone) and other monomers.
It is a powder with good hydrophilicity. It is widely used in many fields, especially in the pharmaceutical industry.

CAS No.25086-89-9
Product Name: Copolyvidone
INCI/CTFA: VP/VA Copolymer
Odor: Odorless
Appearance: White or light yellow
Description: Copolymer of polyvinylpyrrolidone (PVP) and vinyl acetate (VA)

Specification

PVP/VA	K value	Residual single(%)	Water content (%)	Solid content (%)	PH value (10% aqueous solution)	Solvent system
73W	28±4	≤0.2%	Ca.50%	50±2%	4-7	Aqueous solution
73I	28±4	≤0.2%	≤0.5%	50±2%	-	Isopropyl solution
73E	34±4	≤0.2%	≤0.5%	50±2%	-	Ethanol solution
64Pdr	30±4	≤0.2%	≤5.0%	≥95%	4-7	Powder
64W	30±4	≤0.2%	Ca.50%	50±2%	4-7	Aqueous solution
64I	28±4	≤0.2%	≤0.5%	50±2%	-	Isopropanol solution
64E	33±3	≤0.2%	≤0.5%	50±2%	-	Ethanol solution
55I	25±3	≤0.1%	≤0.5%	50±2%	-	Isopropanol solution
55E	28±4	≤0.1%	≤0.5%	50±2%	-	Ethanol solution
37I	25±3	≤0.1%	≤0.5%	50±2%	-	Isopropanol solution
37E	30±4	≤0.1%	≤0.5%	50±2%	-	Ethanol solution
28I	19±3	≤0.1%	≤0.5%	50±2%	-	Isopropanol solution
28E	23±4	≤0.1%	≤0.5%	50±2%	-	Ethanol solution

Advantages of NVP Copolymers in the Pharmaceutical Industry

Excellent biocompatibility

NVP copolymers have good biocompatibility, can integrate well with tissues and cells in the body, reduce immune response and toxicity, and are suitable for various drug delivery and implant systems.

Adjustable solubility

Solubility can be adjusted by changing the composition and structure of the copolymer, allowing pharmaceutical companies to optimize formulations based on the properties and release requirements of the drug.

Thickening and film-forming ability

As a thickener, it can increase the viscosity of drug formulations and improve the coating and delivery properties of drugs. Its film-forming properties enable it to form a protective film.

Improving drug stability

It can provide good protection to prevent drug degradation during storage and use, thereby improving the stability and effectiveness of drugs.Also improved patients' medication experience.

Application

NVP copolymers are widely used in the pharmaceutical industry, mainly in the following aspects:

1. Drug Delivery Systems
Used to prepare drug delivery systems, such as microspheres, nanoparticles, and hydrogels. These systems can control the rate and mode of drug release and improve the bioavailability of drugs.

2. Topical Drugs
Can be used as film formers and thickeners to improve the adhesion and stability of preparations. For example, in skin patches or gels, NVP copolymers can form a protective film to prolong the release time of drugs at the application site.

3. Oral Solid Dosage Forms
Can be used to prepare oral solid dosage forms, such as tablets and granules. In these dosage forms, as binders and thickeners, they improve the physical properties and release behavior of drugs.

FAQ

1.Is NVP copolymer safe for medical applications?
With good biocompatibility and low toxicity, it has been widely used in medical and pharmaceutical preparations and is suitable for long-term use.

2. Can NVP copolymer be used for topical drugs?
Yes, NVP copolymer, as a film former and thickener, can improve the stability and adhesion of topical drugs and prolong the release time of drugs on the skin surface.

3. How does the adjustability of NVP copolymer affect drug development?
The solubility and release characteristics of NVP copolymer can be adjusted by changing the composition of the copolymer, thus providing flexibility for drug development and adapting to the needs of different drugs.

4. How is the stability of NVP copolymer?
It shows good stability during storage and transportation, and can effectively prevent drug degradation.

5. Does NVP copolymer affect the bioavailability of drugs?
Appropriately designed NVP copolymers can enhance the bioavailability of drugs, promote drug absorption and distribution, and improve efficacy.