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VINNAPAS® CA 5317

VINNAPAS® CA 5317 is an aqueous polymer dispersion based on vinyl acetate and ethylene. It is particularly suited in back coatings of woven materials, needle felt floor coverings and tufted carpets. The dispersion combines high solids content with a moderate viscosity. VINNAPAS® CA 5317 is not produced with any added organic solvents or plasticizers.



Properties

  • VINNAPAS® CA 5317 may be used in applications where filler loadings of calcium carbonate, aluminum trihydrate (ATH) or other fillers are required.
  • The films are noted for their flexibility to below freezing point, aging resistance and light stability.
  • The dispersion is compatible with acrylic dispersions and many styrene-butadiene latices.

Disclaimer

All the information provided is in accordance with the present state of our knowledge. Nonetheless, we disclaim any warranty or liability whatsoever and reserve the right, at any time, to effect technical alterations. The information provided, as well as the product's fitness for an intended application, should be checked by the buyer in preliminary trials. Contractual terms and conditions always take precedence. This disclaimer of warranty and liability also applies particularly in foreign countries with respect to third parties' rights.

General

VINNAPAS® CA 5317 can be used in the production of woven carpets, needle felt floor coverings and tufted carpets, where it delivers high dry adhesion strength and imparts soft to medium hand.

VINNAPAS® CA 5317 offers excellent adhesion to a variety of substrates together with high cohesion.

 

Special

VINNAPAS® CA 5317 can be applied by a number of different application methods including foaming (direct coating), pan coating, saturation and spraying.

VINNAPAS® CA 5317 performs well on various fiber types including polypropylene, polyamide, cellulose, and polyester.

 

 

Processing 

VINNAPAS® CA 5317 can take moderate filler loads with calcium carbonate or aluminium trihydrate (ATH) for compounding. Foaming additives and dispersing agents can be added to VINNAPAS® CA 5317 to improve foamability and filler acceptance. The compatibility and efficacy should be checked by conducting a storage stability test.

 

Polymer Dispersions

VINNAPAS® CA 5317 is miscible in all portions with most VINNAPAS® dispersions. Here too, the compatibility of the mixture should be tested by conducting a storage test.

 

Thickening agents

We recommend alkali-swellable poly(acrylic acid) derivatives. Products with neutral pH, e.g., those based on cellulose derivatives, poly(vinyl alcohol) or polyurethane, can also be considered. Their compatibility and efficacy should be evaluated.

 

Mineral Fillers

VINNAPAS® CA 5317 is compatible with many common mineral fillers (chalk, gypsum, dolomite, aluminum hydroxide). The latter product is especially suitable for the production of low smoke emission flame-proofing compounds used in textile floor coverings. The compatibility and stability should be checked by conducting a storage test.


 

If the product is used in applications other than those mentioned, the choice, processing and use of the product is the sole responsibility of the purchaser. All legal and other regulations must be complied with.

For questions concerning food contact status according the chapter 21 CFR (US FDA) and German BfR, please feel free to contact us.

Wacker Chemie AG
Hanns-Seidel-Platz 4
D-81737 München
Germany

Storage

When the dispersion is stored in tanks, proper storage conditions must be maintained. The product has a shelf life of 6 months starting from the date of receipt if stored in the original, unopened containers at temperatures between 5 and 30 °C. Any longer periods for the maximum storage period that may be described in the Certificate of Analysis which accompanies each shipment of the product, take preference over this suggestion in which case the time period stated in the Certificate of Analysis shall be solely authoritative. Iron or galvanized iron containers and equipment are not recommended. Corrosion could result in discoloration of the dispersion or blends made from it in further processing. We therefore recommend the use of containers and equipment made of ceramic, rubberized or enameled materials, appropriately finished stainless steel, or plastic (rigid PVC, polyethylene or polyester resin). As polymer dispersions may tend to superficial film formation, skins or lumps may be formed during storage or transportation. A filtration process is thus recommended prior to utilization of the product.

Preservation for Transport, Storage and further Processing

The product is adequately preserved during transportation and storage if kept in the original, unopened containers. However, if it is transferred to storage tanks, the dispersion should be protected against microbial attack by adding a suitable preservative package.

Measures should also be taken to ensure cleanliness of the tanks and pipes. In unstirred tanks, a layer of preservative-containing water should be sprayed onto the surface of the dispersion to prevent the formation of unwanted skin and possible attack by microorganisms. The thickness of this water layer should be < 5 mm for low viscosity dispersions and up to 10–20 mm for high viscosity products. Proper procedures – periodic tank cleaning and sanitization – must be set up in order to prevent microbial attack. Contact your biocide representative/supplier for further plant hygiene recommendations. Measures should be taken to ensure that only clean air enters the tank when the dispersion is removed.

Finished products manufactured from polymer dispersions usually also require preservation. The type and scope of preservation will depend on the raw materials used and the anticipated sources of contamination. The compatibility with other components and the efficacy of the preservative should always be tested in the respective formulation. Preservative manufacturers will be able to advise you about the type and dosage of preservative required.

Sales and support

Wacker Chemical Corporation
6870 Tilghman St
Allentown, PA 18106-9346
United States
+1  610  336-2700 (Phone)
+1 517 264-4088  (Fax)
Contact

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