PVM/MA Copolymers

  • Poly(Methylvinylether/Maleic Acid)Mixed Salts

    Poly(Methylvinylether/Maleic Acid)Mixed Salts

    The copolymer supplied in powder form, is slowly soluble in water resulting in amber-colored solutions with high viscosity and adhesivity. It is used as a bioadhesive in denture adhesives, and as mucoadhesive for drug delivery to mucous membranes.And the Calcium salt bridges enhance cohesive properties.It’s excellent Wet adhesive strength,Long-lasting Hold,Mucoadhesive that enables delivery to mucous membranes. Key Technical Paremeters: Appearance White to off-white powder Water ...
  • Poly(Methylvinylether/Maleic Anhydride)Copolymer

    Poly(Methylvinylether/Maleic Anhydride)Copolymer

    Insoluble in water , soluble in THF , Acetone , etc.Hydrolysis happens in water under proper condition.For production of di-acid products and half ester products. Key Technical Parameters: Types YR-VM/MA AP1 YR-VM/MA AP2 YR-VM/MA AP3 YR-VM/MA AP4 YR-VM/MA AP5 Appearance Whiter to off-white free flowing powder Specific Viscosity(1% in 2-Butanone) 0.1~0.5 0.5~1 1.0~1.5 1.5~2.5 2.5~4.0 Molecular Weight 130,000~200,000 200,000~500,000 500,000~1,000,0000 1,000,000~1,800,000 1,800,000~2,...
  • Poly(Methylvinylether/Maleic Acid)Copolymer

    Poly(Methylvinylether/Maleic Acid)Copolymer

    These polymers are free acid form of the copolymer of Methylvinyl ether and Maleic Anhdride,in liquid form.Avalilable in a range of Molecular weights with tunable rheological properties.Those polymers soluble in water,serve as excellent film formers and bioadhesive/mucosal adhesives. Key Technical Parameters of Solution Form: Types YR-VM/MA20SL YR-VM/MA80SL YR-VM/MA100SL YR-VM/MA200SL Appearance Slightly hazy viscous liquid pH Value(5% in water) 1.5~2.5 1.5~2.5 1.5~2.5 1.5~2.5 Acti...
  • Poly(Methylvinylether/Maleic Acid) Half Esters Copolymer

    Poly(Methylvinylether/Maleic Acid) Half Esters Copolymer

    Both types are the copolymers of Monoalkyl ester of poly (methyl vinyl ether/maleic acid),the products forms tough, clear glossy films. Films exhibit tack-free adhesion, have excellent substantivity, and moisture resistance. Soluble in alcohols, esters, ketones and glycol ethers and have good compatibility with aerosol propellants. Key Technical Parameters: Product YR-ES225 YR-BS425 INCI Name Ethyl Esters of PVM/MA Copolymer Butyl Ester of PVM/MA Copolymer CAS# 25087-06-3 25119-68-0 ...