Carboxyl-Modified Vinyl Chloride/Vinyl Acetate Copolymers VMA

Carboxyl-Modified Vinyl Chloride/Vinyl Acetate Copolymers VMA
Carboxyl-Modified Vinyl Chloride/Vinyl Acetate Terpolymers
Grade VMA: It is white powder,ketone soluble with colorless,transparent solution, and because of the carboxyl functional group, it has excellent adhesion on metal, especially on aluminum foil, the resin foil also has a good adhesion on PVC, ABS, paper, textiles, beton, etc. Moreover, it offers a desirable balance of chemical resistance, solubility, diaphaneity, film strength, and thermoplasticity. And Ink Raw Material Vinyl Chloride Copolymer Resin has excellent interbedded adhesion.
 
VMA Vinyl Resin Quality standard (XHQB-6)
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 17¯1% ISO1159-1978
Maleic Acid 2¯0.2%  
4 Reactive Functionality (Carboxyl %) 2¯0.2%  
5 K Value 32-36 GB/T 3401-2007
6 Viscosity No. ml/g 30-34 GB/T 3401-2007
7 Glass Transition Temp ℃ About 70 GB11998-89
8 Average Molecular Wt About 15000 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 and Transparent or yellowish By visual
 
Vinyl Acetate Application:
VMA grade yields the good balance of solubility and viscosity properties needed for high-build, air-dry maintenance finishes,and it is often used to make coatings and adhesives applications where higher solids are desirable. It can be used in air-dry finishes, such as maintenance,marine,and metal coatings, interbedded adhesive,aluminum foli varnish,UV surface treatment,UV primer,thermal transfer adhesive, shoe adhesive, ink-jet and metal inks,etc.
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.