Product Information
Chemical Name Poly(Methyl Vinyl Ether-alt-Maleic Anhydride)
CAS No 9011-16-9
INCI PVM/MA Copolymer
Physical form White to off-white free-flowing powder
Available grades Multiple viscosity / molecular weight grades
Chemphysical Properties
‑ Solubility: Insoluble in water; hydrolyzes in alkaline water to generate soluble salt; soluble in MEK, ethyl acetate
‑ Bulk density: 0.33-0.46 g/cm³
‑ Key features: Forms non-brittle, humidity-resistant film; strong binding & bio-adhesion; easy to be esterified or hydrolyzed‑ Storage stability: Stable under dry condition; moisture‑sensitive, avoid humid atmosphere
Quality Specification
| Test Item | Specification |
|---|---|
| Appearance | White‑off‑white fine powder |
| Purity (dry base) | ≥98.0 % |
| Loss on drying | ≤2.0 % |
| Intrinsic viscosity (1% MEK solution) | Grade‑dependent |
| Heavy metals | ≤10 ppm max |
Application & Use
Personal care: Film-former for hair spray, hair gel and mousse, delivers humidity-resistant flexible hold.
Oral care: Key raw material for denture adhesive formulations.
Pharma industry: Tablet binder, bio-adhesive excipient for sustained-release preparations.Industrial area: Dispersant, coating additive, adhesive modifier.
‑ Package: 25kg fiber drum; small test package available
‑ Storage: Tightly sealed, cool dry place, strictly keep away from moisture
‑ Shelf-life: 24 months under recommended storage
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