PVP/VA COPOLYMER SERIES
Copolymer
of vinylpyrrolidone and vinylacetate
STRUCTURAL
FORMULA:
Formula:(C6H9NO) x (C4H6O2)y
CTFA NOMENCLATURE: PVP/VA
copolymer
CAS NO.: 25086-89-9
CHARACTERS:
√ In the form of powder, 50% aqueous solution or alcohol
solution..
√ Able to form stiff,
bright and washable film.
√ Soluble in most
common organic solvents.
SPECIFICATIONS:
|
VP/VA |
K value |
VP+VAc |
Water |
Solids |
PVP/VA64
powder |
60/40 |
26-34 |
≤0.4% |
≤5.0% |
≥95% |
PVP/VA
64W |
60/40 |
26-34 |
≤0.2% |
48-52% |
48-52% |
PVP/VA64E |
60/40 |
30-36 |
≤0.2% |
≤0.5% |
48-52% |
PVP/VA
37E |
30/70 |
26-34 |
≤0.2% |
≤0.5% |
48-52% |
PVP/VA
73E |
70/30 |
30-38 |
≤0.2% |
≤0.5% |
48-52% |
PVP/VA73W |
70/30 |
24-32 |
≤0.2% |
48-52% |
48-52% |
APPLICATOINS:
√ Film-formers and stiffeners in hair care products.
√ Film formers in skin
care preparations, suitable for eye and face dressings.
√ Rewettable Adhesives
and adhesives for paper.
√ Thickeners and
protective colloids for printing inks.
√ Dispersants and
stabilizers for all kinds of suspensions and emulsions.
PACKING:
20kgs
fiber drum (powder)
150kgs or 1000kgs plastic drum (liquid)
COPOVIDONE
Copolymer
of vinylpyrrolidone and vinylacetate (PVP/VA64---EP
grade)
Formula:(C6H9NO) x (C4H6O2)y
CTFA
NOMENCLATURE: PVP/VA copolymer
CAS NO.: 25086-89-9
CHARACTERS:
√ In the form of powder.
√ Able to form stiff,
bright and washable film.
√ Soluble in most
common organic solvents.
SPECIFICATIONS:
K value |
27.0-33.0 |
Monomers (VP+VAc) |
≤0.4% |
Water |
≤5.0% |
Sulfate ash |
≤0.1% |
Nitrogen |
7.0-8.0% |
Heavy metals（as Pb） |
≤20ppm |
Acetaldehyde |
≤500ppm |
Hydrazine |
≤1ppm |
Peroxides（as H2O2）,ppm |
≤400 |
APPLICATOINS:
√ Binder for tablets, granules and hard gelatin capsules.
√ Tablet coatings,
film-forming agents in sprays.
√ Matrix-forming
agents, capsule shell, transdermal system
PACKING:
20kgs
fiber drum (powder)
Add: Rm. 201, Unit 3, Building 8, Shijia Garden, No. 93, Xiangjiang Road,
Qingdao Economic And Technical Development Zone,
Qingdao, Shandong, China 266555
Tel&Fax: +86-532-86893005
Email: chemtrade@trade-chem.com
chemtrade123@gmail.com
MSN: chemtrade_intl@hotmail.com
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