Products
Poly(Methylvinylether/Maleic Acid)Copolymer

Product Name:Poly(Methylvinylether/Maleic Acid)Copolymer

INCI Name:PVM/MA Copolymer

CAS NO.:25153-40-6

Properties: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

Active Conent

12~15%

12~15%

12~15%

12~15%

Color(APHA)

200 max.

200 max.

200 max.

200 max.

Specific Viscosity(1% in water)

0.2~1.0

1.0~2.5

2.5~2.4

4.0~10.0

Heavy Metals

7 ppm max.

7 ppm max.

7 ppm max.

7 ppm max.

Total Aerobic Plate Count

500cfu/g max.

500cfu/g max.

500cfu/g max.

500cfu/g max.

Mold/Yeast

500cfu/g max.

500cfu/g max.

500cfu/g max.

500cfu/g max.

Staphylococcus Aureus

Negative

Negative

Negative

Negative

Salmonella

Negative

Negative

Negative

Negative

Pseudomonas Aeruginosa

Negative

Negative

Negative

Negative

E.Coli

Negative

Negative

Negative

Negative

G-bacilli

Negative

Negative

Negative

Negative

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Key Techniacl Parameters of Powder Form:

Types

YR-VM/MA 20P

YR-VM/MA80P

YR-VM/MA100P

YR-VM/MA200P

Apperance

White to off-white powder

pH(5% in water)

1.5~2.5

1.5~2.5

1.5~2.5

1.5~2.5

Loss on drying

6.0% max.

6.0% max.

6.0% max.

6.0% max

Specific Viscosity

0.2~1.0

1.0~2.5

2.5~4.0

4.0~10.0

Heavy Metals

7 ppm max.

7 ppm max.

7 ppm max.

7 ppm max.

Total Aerobic Plate Count

500cfu/g max.

500cfu/g max.

500cfu/g max.

500cfu/g max.

Mold/Yeast

500cfu/g max.

500cfu/g max.

500cfu/g max.

500cfu/g max.

Staphylococcus Aureus

Negative

Negative

Negative

Negative

Salmonella

Negative

Negative

Negative

Negative

Pseudomonas Aeruginosa

Negative

Negative

Negative

Negative

E.Coli

Negative

Negative

Negative

Negative

G-Bacilli

Negative

Negative

Negative

Negative

 

 

 

 

 

 

 

 

 

Applications:These Copolymers are available for use in hair care and oral care products.In toothpaste and mouths rinses,it helps control formation and growth of tartar,prtects enamel from dietary acid and retains active ingredients.The strong bioadhesive founction of the polymer retains antimicrobical agents,flavors,coolants,breath fresheners,medicants and other insoluble actives in the mouth.

 

 

 

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