FIXATIVES & STYLING PLOYMERS
SUNLYDNE® K Series
Polyvinylpyrrolidone
INCI/CTFA: PVP
CAS No.: [9003-39-8]
Description: Homopolymers of vinylpyrrolidone with a variety of molecular weights
Supplied as solutions, powders or flakes
SPECIFICATION
K-Value | Solids% | Water% | PH value | NVP | ||||
Sunlydone | K15C | Powder | 13-17 | / | 0.5max. | 3.0-7.0 | 0.01max. | |
Sunlydone | K17C | Powder | 15-19 | / | 0.5max. | 3.0-7.0 | 0.01max. | |
Sunlydone | K30C | Powder | 27-33 | / | 0.5max. | 3.0-7.0 | 0.01max. | |
Sunlydone | K30C | 30% solution | 27-33 | 29-31 | 4.0-8.0 | 0.01max. | ||
Sunlydone | K60C | 40% solution | 52-62 | 38-42 | 4.0-8.0 | 0.01max. | ||
Sunlydone | K85C | Powder | 80-88 | / | 0.5max. | 4.0-9.0 | 0.01max. | |
Sunlydone | K85C | 20% solution | 80-88 | 19-21 | 5.0-9.0 | 0.01max. | ||
Sunlydone | K90C | Powder | 88-96 | / | 0.5max. | 4.0-9.0 | 0.01max. | |
Sunlydone | K90C | 20% solution | 88-96 | 19-21 | 5.0-9.0 | 0.01max. | ||
PROPERTIES
Sunlydone K products are mainly used as film formers, but also as thickeners, dispersing and stabilizing agents. The molecular weight determines the setting. They are ideal for use in water-based applications where a high degree of clarity is required in the finished product (e.g. Gels). For hair-styling applications K30 and K85 are the best of the various molecular weights.
EFFICIENCY CLAIMS
l Water-soluble in high concentrations to form clear solutions
l Form clear, homogeneous films
At low relative humidity the films are hard and brittle; at high relative humidity they are elastic and soft
l High water-absorption capacity
l Mixtures with polyacrylates, polyquats, salts, acids and bases are possible; high compatibility with many other cosmetic ingredients
l Nonionic, no neutralization required
APPLICATIONS
l Hair gels, in particular wetlook gels, hair mousses, pump sprays, liquid hair setting preparations.
l Film former in hair styling products. Emulsion stabilizer. De-stainer and gelling agent in toothpastes.
l Sunlydone K30 for products with normal hold, for which low viscosity is important (e.g. pump sprays)
l Sunlydone K90 for products with a strong hold and high viscosity (e.g. hair gels and hair mousses)
Typical use level for PVP K30 is 3-6%; K90 is 1-3%; typical PH range is 3-7.5
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