VMC Vinyl Resin For air-dry finishes

1, VMC Vinyl Resin

 

2,Characteristice

 

A medium molecular weight resin containing approximately 83 percent vinyl chloride, 16 percent vinyl acetate, and 1 percent maleic acid. Because of the carboxyl functional group, VMC has excellent adhesion on metal, especially on aluminum foil, the resin foil also has a good adhesion on PVC, ABS, paper, textiles, beton, etc. At the same time, VMC has excellent water resistance, oil, ester, acid, alkali and salt water solution resistance.

3.Solubility

 

Ketone is a particularly good solvent, and ester is the relatively weak solvent. Chlorinated hydrocarbons such as dichloroethane and 1,2 - dichloroethane can  completely dissolve VMC, and methyl chloroform and tetrachloroethane can only swell it. Aromatic hydrocarbons have a good role in the swelling, generally using with ketone.
VMC is more soluble than VAMA in ketones, and other solvents used to dissolve vinyl resins. VMC also has a higher tolerance for aromatic hydrocarbon diluents. When dissolved in a suitable solvent system, such as a 50 percent ketone/50 percent aromatic hydrocarbon, resin solutions of 25 to 28 percent solids can be achieved.

4.Application

 

VMC can be used in air-dry finishes, such as maintenance, marine, metal, can coatings, aluminum foli varnish, interbedded adhesive, thermal transfer adhesive, shoe adhesive, metal inks, UV surface treatment , UV primer, etc.

 

No.	Item	Index	Test method
1	Appearance	White powder	By visual
2	Whiteness	≥80	GB2913-82
3	Composition % by Wt	Vinyl Chloride 83±1%	GB/T7139-2002
		Vinyl Acetate 16±1%	ISO1159-1978
		Maleic Acid 1±0.2%
4	Reactive Functionality (Carboxyl %)	1±0.2%
5	K Value	38-40	GB/T3401-1999
6	Viscosity No. ml/g	44-48	GB/T3401-1999
7	Glass Transition Temp °C	About 72	GB11998-89
8	Average Molecular Wt	About 19000	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

 

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Product Categories : Cosmetics Series > Acrylic Resin