Toothpaste Grade Chemical Additive Methylvinylether/Maleic Anhydride Copolymer

Model NO.: PVM/MA Natural Resin: Methylvinylether/Maleic Anhydride Copolymer Molecular Principal Chain: Methylvinylether/Maleic Anhydride Copolymer CAS: 9011-16-9 Transport Package: 25kgs Drum Origin: China Synthetic Resin: Methylvinylether/Maleic Anhydride Copolymer Characteristic: Methylvinylether/Maleic Anhydride Copolymer Color: White Trademark: Y&R Specification: Cosmetic HS Code: 39059100 Properties: 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.
 
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.
 
Typical Technical Parameters:

Items Specifications	YR-VM/MA AP1	YR-VM/MA AP2	YR-VM/MA AP3	YR-VM/MA AP4	YR-VM/MA AP4
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	1,800,000~2,000,000
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

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Product Categories : PVME/MA Copolymer