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VINNAPAS® EP 1400

VINNAPAS® EP 1400 is a poly(vinyl alcohol) stabilized vinyl acetate-ethylene copolymer dispersion with a glass transition temperature (Tg) of 0 °C.  It was developed as a high performance, cost competitive base polymer dispersion for formulating a variety of water borne adhesives to replace:

 

  • Plasticized vinyl-acetate homopolymer packaging adhesives
  • High wet tack, low solids poly(vinyl alcohol) or dextrin/starch based adhesives
  • Conventional non-contact extrusion applied adhesive systems



特性

VINNAPAS® EP 1400 is a base polymer dispersion for formulating water borne adhesives.  It has an excellent balance of wet tack, speed of set, adhesion and heat resistance.  It is compatible with a wide variety of formulating additives.  It has a high thickening response to plasticizer.  The dried adhesive bonds are resistant to water exposure.  The low solids provides a long open time with good wet tack.  The low Tg of the dried film provides excellent cold temperature flexibility.  This dispersion offers clean machining, easy clean up and is suitable for a variety of roll, extruder and spray applications.  VINNAPAS® EP 1400 can be formulated into adhesive systems designed especially for non-contact extrusion machine applications.  No formaldehyde or formaldehyde donors are intentionally added to VINNAPAS® EP 1400.

 

The dry film is tack-free and heat-sealable.  The backbone of the polymer is internally flexibilized to give the dried adhesive film high tensile strength and flexibility.  This allows adhesives to be formulated that continue to perform with fluctuations in temperature and humidity.  This dispersion has excellent heat resistance which is much greater than that exhibited by other plasticized vinyl acetate, vinyl acetate-maleate and vinyl acetate-acrylate copolymers with similar glass transition temperatures.  The adhesive strength is excellent after aging, and it exhibits excellent resistance to plasticizer migration.

VINNAPAS® EP 1400的特殊性能

  • 柔韧性佳
  • 生产过程中未使用APEO
  • 甲醛含量低

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。

Protect against frost.

VINNAPAS® EP 1400 can be used to bond a variety of substrates including but not limited to coated and uncoated paper, cellulose acetate, polystyrene, poly(vinyl chloride) (PVC), and poly(vinylidene chloride).  It is recommended for use in high-speed packaging and converting applications where rapid setting speeds, good machining and easy clean-up properties are required.  The long open time helps to prevent premature drying under conditions of prolonged exposure to air, especially on large diameter applicator rolls and non-contact extrusion nozzles.  The level of ethylene in the polymer acts as an internal plasticizer which provides flexibility and reduces or eliminates the need for plasticizer in many applications.  Due to the low Tg, VINNAPAS® EP 1400 continues to form a film at low termperatures and can be used in the laminating of cold substrates while still maintaining adhesion and heat resistance.

VINNAPAS® EP 1400 can be compounded with typical plasticizers, solvents, fillers and thickeners that are used for water borne packaging adhesives and other poly(vinyl acetate)-based adhesives.  It is compatible with other poly(vinyl alcohol) and surfactant stabilized vinyl acetate-based dispersions and acrylic copolymers.  This dispersion can be compounded with poly(vinyl alcohol) to create a more water sensitive adhesive.

储存

When VINNAPAS® EP 1400 is stored in tanks, proper storage conditions must be maintained. If stored in the original, unopened containers at cool (below 30 °C), but frost-free temperatures VINNAPAS® EP 1400 has a shelf life of 9 months from the date of manufacture. 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® EP 1400 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. To maintain proper storage conditions appropriate measures should also be taken to ensure cleanliness of the tanks and pipes. In a storage tank in which VINNAPAS® EP 1400 is not stirred, it is advisable to contact your biocide representative/supplier. Proper procedures must be set up in order to prevent microbial attack between necessary periodic tank cleaning and sanitization. These procedures will vary, since loading and unloading practices in each storage situation will differ slightly. 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

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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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