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VINNAPAS® EP 6411

VINNAPAS® EP 6411 is an aqueous, 50 % dispersion of a copolymer of vinyl acetate and ethylene. It is produced without the use of plasticizers. The product is in the process of introduction into industrial use (Scale-up Product). Therefore the product data given are subject to change. Always consult WACKER POLYMERS about the product’s availability before using it for industrial purposes.



特性

  • Good adhesion to various plastic surfaces
  • Permanently flexible adhesive joints
  • High cohesion

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。

Properties

VINNAPAS® EP 6411 is a suitable raw material for adhesives, preferably for bonding plastic films and paper. Notable features are high heat resistance, good adhesion to various plastic surfaces, permanently flexible adhesive joints, fast setting and good machine running characteristics.

Application
General

VINNAPAS® EP 6411 can be used to produce adhesives which achieve bonds to remain permanently flexible and resistant to ageing. Such adhesives are noted for their very good adhesion even to usually difficult to stick plastic or varnished surfaces. Because of the variety of surfaces encountered, pre-trials to check the adhesion to the surfaces to be bonded should always be undertaken. The base polymer of VINNAPAS® EP 6411 shows a high cohesive strength even at elevated temperatures and therefore VINNAPAS® EP 6411 can be used to produce adhesives with very good heat resistance. Suitable formulated adhesives based on VINNAPAS® EP 6411 show a rapid increase in bond strength even after only a short setting time. It should be emphasized that VINNAPAS® EP 6411 is almost low on odor.

Special

VINNAPAS® EP 6411 can be used as a raw material for:

  • PVC furniture foils adhesives which show particularly high bond strength at elevated temperatures. Because of the variation in the bonding properties of foils, pre-trials should be undertaken to check the adhesion, especially at low temperatures.
  • Adhesives for laminating plastic films, especially plasticized PVC, to cardboard, paper, textiles and leather for book covers, office files, high quality packaging and cases.
  • Adhesives for the production and sealing of varnished and coated cartons und packaging.

As VINNAPAS® EP 6411 is produced without the use of plasticizers it offers particular advantages when the bonded parts get in contact with products which are sensitive to plasticizers. For example varnished and printed surfaces or where packaged goods are not allowed to contact plasticizer containing adhesive joints.

 

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® EP 6411 has a shelf life of 9 months from the date of manufacture if stored in the original, unopened containers at temperatures between 5 and 40 °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 be formed during storage or transportation. A filtration process is thus recommended prior to utilization of the product. If the product is stored for a longer period, stirring is recommended before use.

 

Preservation for Transport, Storage and further Processing

VINNAPAS® EP 6411 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.

销售和支持

Wacker Chemicals (China) Co.,Ltd.
Caohejing Hi-Tech Park
200233 Shanghai
中国
+86  21  6130-2000 (电话)
+86 21 6130-2500  (传真)
Contact Sales
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