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Matching relationship between pigments, plastic raw materials and additives

The colorants used in the masterbatch must pay attention to the matching relationship between colorants, plastic raw materials and additives in the masterbatch technology. The key selection points are as follows. 1. The colorant cannot react with resins and various additives, has strong solvent resistance, low mobility and good heat resistance. In other words, the masterbatch cannot participate in various chemical reactions. Carbon black can control the curing reaction of polyester plastics, so carbon black materials cannot be added to polyester.

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Modified plastics: rapid growth in demand, broad space for development

The overall demand for modified plastic raw materials in the market is very high. It is estimated that the overall market has reached 13.61 million tons, and consumption is also growing rapidly. The compound annual growth rate of 14.3 percent since 2004 is higher than the 9.6 percent for plastics. Modified plastics are widely used in many industries, such as automobiles (23.5 percent) and household appliances (37.0 percent), because they have product advantages that ordinary plastics do not have. Therefore, from the perspective of application, it can be said that they have broad prospects.

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