New Process - Polyvinylpyrrolidone (PVP) Preparation Technology

1. Project Introduction

Polyvinylpyrrolidone (PVP), (CAS 9003 39 8 ) is a series of polymer fine chemical products with excellent performance. Common POV's are:PVP K30 (polyvinylpyrrolidone k30) , PVP K60 (polyvinylpyrrolidone k60) , PVP K90 (polyvinylpyrrolidone k90). PVP is a moisturizer and antidote for cosmetics, which can effectively lift the irritation of cosmetics to the skin and help the skin to be soft and lubricated. For hair cosmetics, PVP has the functions of styling, hair care, increasing the shine and smoothness of hair, and is an indispensable raw material for styling hair creams, mousses and hair sprays.

As an adhesive excipient, thickener, solubiliser, dispersant, stabiliser and film-forming agent in pharmaceuticals, it is internationally regarded as one of the most important new excipients for pharmaceutical synthesis. Povidone iodine (PVP-I), with PVP as the main raw material, is a new type of non-toxic, non-irritating and highly effective bactericidal disinfectant, which can also be used directly in pharmaceuticals. Cross-linked PVP (PVPP) can be used as a clarifying and purifying agent and stabiliser for beer, wine and juice, and as a disintegrant in medicine. In addition, PVP in the textile printing and dyeing, paper, adhesives, coatings, detergents, polymer polymerization, electronics, separation membrane, medical polymer materials and agriculture and animal husbandry and other fields of application has been paid attention to.

2. Technical maturity

The process route for the synthesis of PVP uses the pressurized acetylene method. We have established an industrial production plant with an annual production capacity of 100 tons for the production of NVP and PVP, which has been running smoothly and stably for a long time, and the indicators have reached requirements. The process technology is mature and reliable.

3. The scope of application

Vinylpyrrolidone (NVP) and polyvinylpyrrolidone (PVP) can be widely used in cosmetics, pharmaceutical excipients, as well as textile printing and dyeing, paper making, adhesives, coatings, detergents, polymer polymerization, electronics, separation membranes, medical polymers, and agriculture and animal husbandry.

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