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 AP13 | YR-VM/MA AP30 | YR-VM/MA AP70 | YR-VM/MA AP125 | YR-VM/MA AP250 |
| Appearance |
Whiter to off-white free flowing powder |
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| 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 | 1,800,000~2,000,000 |
| Volatiles | 2.0% max. | 2.0% max. | 2.0% max. | 2.0% max. | 2.0% max. |
| Active Content | 98% min. | 98% min. | 98% min. | 98% min. | 98% min. |
| Residue Maleic Anhydride | Negative | Negative | Negative | Negative | Negative |
Applications:
The polymer series serves as a base polymer for making bioadhesives in denture adhesive applications. The polymers are not directly usable in a denture adhesive formulation.
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