Hydroxyl Modified Vinyl Chloride/Vinyl Acetate Terpolymers MVAD
Hydroxyl Modified Vinyl Chloride/Vinyl Acetate Terpolymers MVAD
Hydroxyl-Modified Vinyl Chloride/Vinyl Acetate Terpolymers
Hydroxyl Modified Vinyl Chloride,Hydroxyl Modified Vinyl Acetate Terpolymers
Grade MVAD: It is white powder, ketone soluble with colorless, transparent solution and has excellent adhesion on PET, resin primer, paper, PVC, ABS pre-treatment of PE and OPP. 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. The hydroxyl functional group permits crosslinking reactions for thermoset,obtaining excellent chemical and water resistance.
MVAD Vinyl Resin Quality standard (XHQB-10)
|
Item |
Index |
Test method |
|
|
1 |
Appearance |
White powder |
By visual |
|
2 |
Whiteness |
≥80 |
GB2913-82 |
|
3 |
Composition % by Wt |
Vinyl Chloride 90±1% |
GB/T7139-2002 |
|
Vinyl Acetate 4±1% |
ISO1159-1978 |
||
|
Vinyl Alcohol 6±0.5% |
|||
|
4 |
Reactive Functionality (Hydroxyl %) |
||
|
5 |
Hydroxyl Value |
50-60 |
|
|
6 |
K Value |
36-38 |
GB/T 3401-2007 |
|
7 |
Viscosity No. ml/g |
34-38 |
GB/T 3401-2007 |
|
8 |
Average Molecular Wt |
About 22000 |
Calculated by the Viscosity No. |
|
9 |
% by wt, through 60 mesh |
100% |
GB/T6003.1 |
|
10 |
Apparent density (g/ml) |
≥0.5 |
GB20022-2005 |
|
11 |
Volatilization (%) |
≤1% |
GB/T2914-1999 |
|
12 |
Impurity Particle No. /100g |
≤20 |
GB9348-88 |
|
13 |
25% resin in MEK/Toluene(50/50) |
Colorless or yellowish and Transparent |
By visual |
Application:
MVAD grade can be used for a wide range of coatings applications, including marine anti-corrosion paint gravure printing inks, chassis paints, maintenance, PU and wood finishes, paper coatings, PET inks, interbedded adhesive, adhesive for magnetic tape and carbon ribbon.
Package, storage and transportation:
* In kraft bag, lined with 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 one year from the production date.
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