In order to achieve certain antibacterial properties of non-woven materials, it is necessary to select different processing methods and steps according to the antibacterial technology, the end use of the product and the mechanism of action of the antibacterial agent. The antibacterial agent is added, for example, in a polymer melt, during the processing of the fiber, or during the finishing of the fabric or product.
After the polymer is fiberized, the antibacterial agent can be added to the stretching oil and the spinning oil agent, but the problems of compatibility and uniformity of the antibacterial agent and the oil agent and the performance of maintaining the spinning finishing are solved.
The antibacterial finishing can be carried out in each step after the stretching process, and the antibacterial agent can be added in the crimping process when the crimping oil or the non-curling oil is used, and the antibacterial agent can be permanently bonded to the fiber surface by the heat setting process. . Some antibacterial agents which can react with the fibers or adhere to the fibers can be added to the spunbond nonwoven product and bonded to the web by spraying or padding. These operations can be done at the fiber production plant or during the pretreatment stage. This method allows for antimicrobial treatment on the fiber surface while also providing the compatibility and safety required for the processing and final product. If an antibacterial agent is to be applied to the surface of the final nonwoven substrate, this can be accomplished by a spray technique and a padding process.
In addition, the addition of an antimicrobial agent to the polymer melt must assess some of the problems that arise when the polymer melts. For example, how the antibacterial agent is uniformly mixed into the polymer; it is processed at 230 ° C for 2 min to 3 min, for possible antibacterial agent volatilization, fiber properties change, negative effect on color or reflectivity, filter clogging and processed fiber How to solve problems such as odor, atomization, chalking or surface salting out. In addition, it is necessary to consider whether the antibacterial agent will affect the health of workers and consumers on the production line, and whether it will pollute the environment.
Microfiber placemats are also known as microfiber water-repellent pads, microfiber drain pads, microfiber, usually, microfiber placemats are composed of two layers of fabric, with 2-8 mm sponge in the middle, making microfiber The fabrics of the placemats include microfiber warp and weft knitted towel cloth, microfiber glass cloth, microfiber fish scale cloth, microfiber short pile fabric, microfiber mesh cloth, microfiber Contel fabric, etc., microfiber Placemats have application scenarios such as water absorption, drainage, heat insulation, storage, etc. In order to improve the ornamental effect of the application effect of microfiber placemats, there are fabric treatment processes such as plain dyeing, printing, embossing, and jacquard, which are mainly used for home, Hotels and other places.
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