Textile Printing Thickener
This textile printing thickener is a water-soluble polymer compound. It can quickly dissolve in water to form a uniform, viscous and stable printing paste. It has good thixotropy, which makes the paste flow smoothly under shearing force and thicken rapidly when the external force disappears. It has excellent compatibility with reactive dyes, direct dyes and pigment colorants. It maintains stable viscosity within a suitable pH range. It is not easy to delaminate or degrade during long-term use on printing machines. It has good anti-migration performance and can effectively prevent color bleeding. It will lose viscosity and thickening effect under strong acid, strong alkali or high temperature for a long time. It is hygroscopic and should be stored away from moisture.
Applicaion of Textile Printing Thickener
This textile printing thickener is an essential functional auxiliary for textile printing and dyeing. It is widely adopted to formulate printing color paste for reactive dyes, direct dyes, vat dyes, acid dyes and pigment printing, and it is suitable for cotton, linen, viscose, silk, polyester-cotton and multiple blended textile substrates. It can regulate the rheological property of color paste and provide ideal thixotropy. When subjected to shearing force from scrapers and screen printing equipment, the paste reduces viscosity and flows smoothly to transfer colorant onto fabrics; once the shear force disappears, the viscosity recovers rapidly to fix the pattern shape, effectively avoiding pigment migration, color bleeding and edge blurring. It helps dyes and pigments permeate evenly into fabric fibers, improving color uptake, color uniformity and printing sharpness. The color paste made with this thickener shows stable performance during long continuous running on flat screen and rotary screen printing machines, with low tendency of viscosity change, layering and sedimentation. It has excellent compatibility with binders, dispersants, fixing agents and other common printing auxiliaries, and will not produce adverse chemical reactions with dye systems. It is easy to remove in subsequent desizing and soaping procedures, and no hard residual film will remain on the fabric, so the original soft hand feel and air permeability of textiles can be well preserved. Different viscosity grades are available to meet diversified printing processes, including fine outline printing, large-area solid printing, discharge printing and special artistic printing. It can also reduce the consumption of dyes and auxiliaries appropriately, lower production cost and improve the overall printing quality.
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