PVP-A Copolymer Series

PVP-A Copolymer Series

■ Chemical Description

–Vinylpyrrolidone/ vinylacetate copolymers (abbr. PVP/VA)

■ CAS No. 25086-89-9

■ INCI Name  PVP/VA Copolymer

■ Molecular and Structural Formula (C₆H₉NO)n(C₄H₆O₂)m

■ Characteristics

• — A white powder, and clear and colorless to slightly yellowish solutions with faint odor;
• –Soluble in water and many organic solvents;

■ Specification

Items	K-value	Solid,%	Water,%	pH	VP+VAC,%
PVP /VA64,Powder	26-34	≥95	≤5	4-7	≤0.1
PVP /VA64 E	30-36	48-52	≤0.5	—	≤0.1
PVP /VA64 W	26-34	48-52	Approx.50	5-7	≤0.1
PVP /VA55 I	22-28	48-52	≤0.5	—	≤0.1
PVP /VA55 E	30-36	48-52	≤0.5	—	≤0.1
PVP /VA37 E	28-36	48-52	≤0.5	—	≤0.1
PVP /VA37 I	25-31	48-52	≤0.5	—	≤0.1
PVP /VA73 E	28-38	48-52	≤0.5	—	≤0.1
PVP /VA73 W	24-32	48-52	Approx.50	5-7	≤0.1

■ Application

–Particularly used in aerosol hair spray, Pump spary, Setting lotions, Setting mousses, gels and Hair waxes;

■ Packaging and Storage

• –Powder: in 25/50 kg fiber or plastic drum, inner lined with PE bags;
• –Solution: in 50 kg plastic drum, or 800/1,000 kg IBC；
• –Stored in dry place at room temperature;