Controlling Masterbatch (MFI) The amount of polymer that passes through an opening in the majority of the melt in 10 minutes and at a specified temperature is called MFI (MFE) or the melt flow index of that polymer, this sign is actually to show the flow rate A polymer is a measure of extrudability. In general, with the increase of the melt flow index (MFI), molecular weight, tensile strength, tear resistance, softening temperature and toughness, the chemical resistance of the polymer decreases. This index has an inverse relationship with viscosity, it decreases with the increase of MFI viscosity. This feature is used to personalize the grade of petrochemical base polymers and what process and shaping method this polymer is suitable for. For example, high MFI grades are used for the injection process and low MFI grades are used for extrusion. The increase in temperature during the process causes the destruction of the polymer chain, and as a result, more melt is removed in a certain time and increases the melt flow index (MFI). If the temperature rises more than normal, the chains of the polymer matrix may stick to each other and a phenomenon called crosslinking will occur, which will reduce the MFI, so the time the materials are in the extruder affects the MFI of the output materials and so on. The MFI of the material affects the presence of the material in the extruder and, as a result, the temperature Other factors such as the change of cutting speed, cooling conditions and any factor that affects the rheological properties of the polymer cause this parameter to change. In the standard case, the MFI of the product should not be more than 25% of the raw materials. In some situations, increasing the MFI has a vital role in the production and formation process of intermediate and final products. will be It should be noted that the increase in the percentage of consumption causes an exponential increase in the amount of this index.

Due to the production problems in the process of textile products, especially the production of Mellat Ballon and Spand Band due to the low melt flow index (MFI) of polypropylene materials in domestic petrochemicals, which is very important these days. Due to the completion of the production process of these fabrics into products such as masks, hospital sheets and clothes that are impervious to the Covid-19 virus, Armen Polymer Company has been supplying its products in this field since 2009 in two grades, compound and masterbatch, to the largest manufacturers in this industry, including Behpod Yazd Company has been able to present and be the first company after interacting and cooperating with the RD centers of companies that have taken the lead in designing the formulation of this product years ago in order to increase the melt flow index (MFI). To have a significant role in the production industry of Mellat balloon and sponge band as well as recycled polypropylene of the country.
Use this product as an additive with one to five percent by weight after specifying the polypropylene raw materials according to production conditions and machines.
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Compound to increase MFI: This product is formulated by combining several ingredients to increase MFI. And it does not need to add another additive masterbatch during the production process, and this product can be used directly to produce the product.
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