PVP—POLYVINYLPYRROLIDONE
PVP-K
HOMOPOLYMER SERIES
Polyvinylpyrrolidone (Technical Grade PVP)
STRUCTURAL FORMULA
Formula :( C6H9NO) n
CTFA NOMENCLATURE: PVP
CAS
NO.: 9003-39-8
CHARACTERS:
In the form of powder or an aqueous solution.
Able to form stiff, transparent and bright film.
Soluble in water and most organic solvents.
Compatible with most inorganic salts and many resins.
Complexable with other compounds with hydrogen bond.
Inert physiologically.
SPECIFICATIONS:
| | PVP K17 |
PVP K25 |
PVP K30 |
PVP
K90 |
PVP
K60 |
PVP K90 |
Appearance |
White or yellowish
powder |
Clear
liquid |
K Value |
15-20 |
22-28 |
27-33 |
81-99 |
52-62 |
90-103 |
Monomers |
≤0.2% |
≤0.2% |
≤0.2% |
≤0.2% |
≤0.5% |
≤0.2% |
Moisture |
≤5.0% |
≤5.0% |
≤5.0% |
≤5.0% |
58-62% |
80±1% |
Ash
content |
≤0.02% |
≤0.02% |
≤0.02% |
≤0.02% |
≤0.02% |
≤0.02% |
Solid
content |
≥95% |
≥95% |
≥95% |
≥95% |
40±2% |
20±1% |
PH of
10% solution |
3.0-7.0 |
3.0-7.0 |
3.0-7.0 |
3.0-7.0 |
7.0-9.0 |
7.0-10.5 |
APPLICATIONS：
√
Film-formers, thickeners, lubricants, and binders in hair-setting lotions
√
Detoxifiers and detergents in shampoos and toothpastes.
√
Dispersants in hair colors
√
Lubricants in skin care products.
√
Anti-redeposition and anti-dye transfer agents in laundry detergents
√
Stabilizers for suspensions, dispersions and emulsions.
√
Protective colloids and polymerization stabilizers in synthetic resins.
√
Protective colloids and dispersants in paints and coatings.
√
Viscosity adjustors in printing inks and writing inks.
√
Auxiliaries in paper coating and strengthening.
√
Stabilizers in carbon black ink or paints.
√ Coatings
and dispersants for pigments.
√
Thickeners and adhesives in glue sticks and pick-up adhesives.
√ Binders
for ceramic compounds and all types of tablets for non-pharmaceutical
applications.
√
Smoothing agents in glass fibers sizing.
PACKING:
25kgs fiber drum (powder)
150kgs or 1000kgs plastic drum (liquid)
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Qingdao Economic And Technical Development Zone,
Qingdao, Shandong, China 266555
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