pvp k series
Polyvinylpyrrolidone is a hygroscopic, amorphous polymer supplied as a white, free-flowing powder or a clear aqueous solution. Available in several molecular weight grades, they are characterized by K-value, and can be used in a variety of hair styling applications
physical-chemical features
- hydrophilic polymer
- planar linear molecule with high polarity
- pseudo cationic, N+ behaviour is dominant in solution, hydrogen bonding at oxygen molecule
- complexation via hydrogen bonding, dipolar and inductive interactions
film former functionality
- adhesive film properties
- forms hard, glossy, transparent, oxygen permeable, moisture absorbing films
- stiffness response related to MW and concentration
benefits
- crunch consumer signal
- high initial hold
- compatible with carbomer in clear systems
- solubilizer, binder, and dispersant aid
applications
- clear gels
- mousses
- styling creams/lotions
- pomades, waxes, pastes
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