Polyvinylpyrrolidone (SUNLYDONE® K Series)

(C₆H₉NO)_N Mw=(111.1)_N

INCI/CTFA: PVP

CAS No.: [9003-39-8]

Trade Name: Sunlydone K (STD); Luviskol (BASF); PVP (ISP)

Description: Homopolymers of vinylpyrrolidone with a variety of molecular weights

SPECIFICATION

		K-Value	Solids%	PH value	NVP%
Sunlydone K15	Powder	13-17	95-100	3.0-7.0	0.01 max
Sunlydone K17	Powder	17-22	95-100	3.0-7.0	0.01 max
Sunlydone K30	Powder	27-33	95-100	3.0-7.0	0.01 max
Sunlydone K30	30% solution	27-33	29-31	7.0-9.0	0.01 max
Sunlydone K60	40% solution	52-61	38-42	7.0-9.0	0.01 max
Sunlydone K85	20% solution	80-88	19-21	7.0-9.0	0.01 max
Sunlydone K90	20% solution	88-98	19-21	7.0-9.0	0.01 max
Sunlydone K90	30% solution	80-98	29-31	7.0-9.0	0.01 max
Sunlydone K115	10% solution	110-130	10.5-11.5	7.0-9.0	0.01 max

PROPERTIES

Sunlydone K products are mainly used as film formers, but also as thickeners. The molecular weight determines the setting and adhesive properties of PVP polymers; the higher the molecular weight, the greater 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

• Water-soluble in high concentrations to form clear solutions

• Form clear, homogeneous films

At low relative humidity the films are hard and brittle; at high relative humidity they are elastic and soft

• High water-absorption capacity

• Mixtures with polyacrylates, polyquats, salts, acids and bases are possible; high compatibility with many other cosmetic ingredients

• Nonionic, no neutralization required

APPLICATIONS

• Hair gels, in particular wetlook gels, hair mousses, pump sprays, liquid hair setting preparations.

• Film former in hair styling products. Emulsion stabilizer. De-stainer and gelling agent in toothpastes.

• Sunlydone K30: for products with normal hold, for which low viscosity is important (e.g.pump sprays)

• Sunlydone K90: for products with a strong hold and high viscosity (e.g.hair gels and hir mousses)

Typical use level for PVP K30 is 3-6%; K90 is 1-3%; typical pH range is 3-7.5

PACKAGINGS

Powder: 25/50 kg net in fiber drums

Solution: 60/150/200 kg net in PP drums or 1000kg IBC tank

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Polymer Polyvinylpyrrolidone (PVP) K Series 9003-39-8