PVPP Series

Chemical Structure  Polyvinylpolypyrrolidone

CTFA Nomenclature Insoluble PVPP

Physical properties exists as white or slight yellow,  free flowing  hydroscopic powder
                                with odorless or faint characteristic  smell.  It's  insoluble in water,
                                alkali,acid and common organic reagents.  Stereoscan photographs
                                show that it is voluminous particulars and has large  total  surface
                                and lots of porosity which is between 2-10nm. It can swell in water
                                easily and can complex with polyphenol, carboxylic acids and other
                                low molecular weight compounds. PVPF can only be used once and
                                PVPR can be reused after regenerated.

Specification