Purpose：It is mainly used in polyvinyl chloride (PVC) as suspension polymerization dispersant and stabilizer. It can improve the average particle size, particle size distribution, particle morphology and internal structure of suspended polymer. In addition, HPMC can also be used as thickener, stabilizer, emulsifier, excipient, water retaining agent and film-forming agent in the production of petrochemical, coatings, building materials, paint remover, agricultural chemicals, ink, textile printing and dyeing, ceramics,
Structural formula:
Properties
Summary
Ribavirin, a guanosine and hypoxanthine nucleoside analogues, is a broad-spectrum antiviral drug, which has a good inhibitory effect on a variety of DNA and RNA viruses. It has many action sites, is not easy to produce drug resistance, high efficacy, low toxicity, small side effects and other characteristics, has been used in the treatment of a variety of viruses. It is clinically used for the treatment of hepatitis C virus, respiratory syncytial virus and Lassa fever virus infection.
Manufacturing
