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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.



特性

  • 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.

免责声明

所提供之所有信息均基于我们当前所掌握的知识。尽管如此,我们不对其作任何担保、也不承担任何责任,并且保留在任何时候进行技术变更的权利。购买方应在预测试中对所提供之信息以及产品在既定应用中的适应性进行检查。任何时候都必须以合同条款与条件为准。此外,本免责申明还适用于与第三方权利有关之事宜,尤其是在德国境外。

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

储存

When the dispersion is stored in tanks, proper storage conditions must be maintained. VINNAPAS® CA 5317 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. Iron or galvanized-iron equipment and containers are not recommended because the dispersion is slightly acidic. Corrosion may result in discoloration of the dispersion or its blends when further processed. Therefore the use of containers and equipment made of ceramics, rubberized or enameled materials, appropriately finished stainless steel, or plastic (e.g. rigid PVC, polyethylene or polyester resin) is recommended. As polymer dispersions may tend to superficial film formation, skins or lumps may form during storage or transportation. Filtration is therefore recommended prior to utilization of the product. 

Preservation for Transport, Storage and further Processing 

VINNAPAS® CA 5317 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 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. 

销售和支持

Changsha Port
长沙市开福区新港大道80号
000000 Changsha
中国
+86  400  921-6699 (电话)
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