Papermaking filler modification machine, disperser, activator, disintegrator

Release time:

2025-07-16 08:37

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As a crucial component of paper, fillers directly impact the optical, physical, and printability properties of the paper. Coating machines, through physical or chemical means, form a single or multiple layers of functional coatings on the surface of paper filler particles, thereby altering the filler's surface chemical properties, charge characteristics, and hydrophilicity/hydrophobicity. 。

Taking commonly used paper fillers such as calcium carbonate and kaolin as examples, after treatment with a coating modification machine, specific functional groups can be introduced to the filler surface, significantly enhancing the binding force between the filler and the paper fibers. This enhanced binding not only improves the retention rate of the filler in the paper, reducing filler loss during production, but also improves the paper's strength and uniformity. 。

In optimizing the optical properties of paper, coating modification machines also play an irreplaceable role. By precisely controlling the thickness and composition of the coating layer, the scattering and reflection characteristics of the filler towards light can be adjusted, thereby improving the paper's whiteness, opacity, and gloss. For example, to meet the high gloss requirements of high-grade printing paper, using a coating modification machine to coat a layer of material with special optical properties on the surface of the filler can effectively improve the paper's printability, making the printed images clearer and the colors more vibrant. 。

Furthermore, with increasingly stringent environmental requirements, coating modification machines are helping paper fillers achieve green upgrades. Coating can reduce dust pollution during production, while also making fillers easier to recycle, reducing resource waste and environmental pollution. In addition, functional coatings can also impart new properties to fillers, such as antibacterial and flame-retardant properties, meeting the diverse needs of specialty paper production and providing technical support for paper companies to develop high-value-added products. 。

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