Hydroxyl Modified Vinyl Chloride/Vinyl Acetate Terpolymers MVOH
Hydroxyl-Modified Vinyl Chloride/Vinyl Acetate Terpolymers
Hydroxyl Modified Vinyl Chloride, Hydroxyl Modified Vinyl Acetate Terpolymers,Hydroxyl Modified Vinyl Chloride Factory
Grade MVOH: It is white powder, ketone soluble with colorless, transparent solution and it has with exnt adhesion on paper,polysulfone resin,acrylic resin,PVC,ABS,PCand the surface of ink.It has good compatibility with other film-forming material,such as alkyd resins,polyurethane elastomers,isocyanate resin, melamine resin,urea formaldehyde,epoxy polymers etc.So it is often used with other film-forming material in order to improve the coating performance,and enhance paint adhesion,flexibility, tenacity,hardness and chemical resistance.Because of the hydroxyl functional group,it can also be used for improving the characteristics including alkyd,two-component polyurethane,and two-component epoxy coatings.
MVOH Vinyl Resin Quality standard (XHQB-10)
No. | Item | Index | Test method |
1 | Appearance | White powder | By visual |
2 | Whiteness | ≥80 | GB2913-82 |
3 | Composition % by Wt | Vinyl Chloride 81±1% | GB/T7139-2002 |
Vinyl Acetate 4±1% | ISO1159-1978 | ||
Hydroxyalkyl Acrylate 15±1% |
| ||
4 | Reactive Functionality (Hydroxyl %) | 1.9-2.1% |
|
5 | Hydroxyl Value | 66 | ISO2554-1974 |
6 | K Value | 39-41 | GB/T 3401-2007 |
7 | Viscosity No. ml/g | 38-42 | GB/T 3401-2007 |
8 | Glass Transition Temp ℃ | About 69 | GB11998-89 |
9 | Average Molecular Wt | About 15000 | Calculated by the Viscosity No. |
10 | % by wt, through 60 mesh | 100% | GB/T6003.1 |
11 | Apparent density (g/ml) | ≥0.5 | GB20022-2005 |
12 | Volatilization (%) | ≤1% | GB/T2914-1999 |
13 | Impurity Particle No. /100g | ≤20 | GB9348-88 |
14 | 20% resin in EA or MEK | Colorless and Transparent | By visual |
Application:
VOH grade can be used for a wide range of coatings applications for maintenance,marine and metal finishes,marine anti-corrosion paint, cans paint, wood and plastic finishes, paper and leather coatings, PET inks, adhesive for magnetic tape and carbon ribbon.
Package, storage and transportation:
* In kraft bag, h pp bags of 25kgs net, with PE inner bag.
* Store in a dry and ventilated place, do not place in open-air, avoid storage in direct sunlight and caution against wet.
* Must be transported in clean vehicle with awning and keep away from moisture.
* It is NOT hazardous article, and the shelf life is six months from the production date.
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