How to enhance the toughness of meltblown cloth to prevent breakage
Abstract: This article will elaborate on how to enhance the toughness of meltblown cloth to prevent breakage. First of all, the toughness of meltblown cloth is improved by selecting suitable raw materials and improving the production process. Secondly, the toughness of the meltblown cloth is enhanced by increasing the tensile strength and elongation at break of the fiber. In addition, optimizing the distribution and arrangement of fibers, as well as increasing the interaction force between fibers, are also effective ways to enhance the toughness of meltblown cloth. Finally, the toughness of meltblown cloth should be improved through a reasonable post-treatment process and the use of appropriate additives, so as to prevent the occurrence of fracture.
Selection of suitable raw materials and improvement of production processes
The toughness of meltblown cloth is affected by the raw material, so choosing the right raw material is the first step to enhance the toughness of meltblown cloth. Fibers with higher tensile strength and elongation at break, such as polypropylene, can be selected as raw materials. In addition, improving the production process is also the key to improving the toughness of meltblown cloth. By adjusting parameters such as meltblown temperature, spinneret speed, and airflow velocity, better fiber distribution and arrangement can be obtained, thereby enhancing the toughness of meltblown cloth.
Increase the tensile strength and elongation at break of the fiber
The tensile strength and elongation at break of the fiber are important factors affecting the toughness of meltblown cloth. The tensile strength and elongation at break of the fiber can be increased by changing the structure of the fiber and adding reinforcing agents. For example, the method of stretching fibers can be used to change the structure of fibers to give them better tensile properties. At the same time, adding a certain proportion of reinforcing agents, such as nanomaterials or modifiers, can improve the toughness of the fiber.
Optimize the distribution and arrangement of fibers
The distribution and arrangement of fibers have an important impact on the toughness of meltblown cloth. By optimizing the distribution and arrangement of the fibers, the interaction forces between the fibers can be increased, thereby improving the toughness of the meltblown cloth. Methods such as electrospinning and electrospinning can be used to control the distribution and arrangement of fibers to make them more uniform and compact.
Increase the interaction force between fibers
The interaction force between the fibers is the key to enhancing the toughness of meltblown cloth. The interaction forces between the fibers can be increased by changing the surface properties of the fibers and adding crosslinkers. For example, surface modification techniques can be used to increase the adhesion of fibers and make them more tightly bonded to each other. At the same time, adding an appropriate amount of cross-linking agent can increase the degree of cross-linking of the fiber and improve the toughness of the melt-blown cloth.
Rational post-treatment process and the use of appropriate additives
The post-treatment process and the choice of additives also play an important role in enhancing the toughness of the meltblown cloth. A reasonable post-treatment process can improve the structure and properties of meltblown cloth, such as heat treatment, stretching, etc. At the same time, adding some toughening agents, antioxidants and other additives can improve the toughness and durability of meltblown cloth.
Summary
By selecting suitable raw materials and improving the production process, increasing the tensile strength and elongation at break of the fiber, optimizing the distribution and arrangement of the fibers, increasing the interaction force between the fibers, and adopting a reasonable post-treatment process and adding appropriate additives, the toughness of the meltblown cloth can be effectively enhanced to prevent the occurrence of fracture. These methods can be combined with each other to provide comprehensive improvement measures for the toughness of meltblown cloth and increase its application value in various fields.
Industrial Dehumidifier Selection Table:
HJ-838H Dehumidification capacity: 38Kg/day, applicable area: 30~50 square meters(room height: 2.6-3m)
HJ-858H Dehumidification capacity: 58Kg/day, applicable area: 40~70 square meters (room height: 2.6-3m)
HJ-890H Dehumidification capacity: 90Kg/day, applicable area: 80~110 square meters(room height: 2.6-3m)
HJ-8120H Dehumidification capacity: 120Kg/day, applicable area: 100~120 square meters (room height: 2.6-3m)
HJ-8138H Dehumidification capacity: 138Kg/day, applicable area: 120~150 square meters(room height: 2.6-3m)
HJ-8150H Dehumidification capacity: 150Kg/day, applicable area: 150~180 square meters(room height: 2.6-3m)
HJ-8168H Dehumidification capacity: 7kg/h Applicable area: 200~250 square meters (room height: 2.6-3m)
HJ-8192H Dehumidification capacity: 8.8kg/h, applicable area: 200~300 square meters (room height: 2.6-3m)
HJ-8240H Dehumidification capacity: 10kg/hour, applicable area: 300~400 square meters (room height: 2.6-3m)
HJ-8360H Dehumidification capacity: 15kg/hour, applicable area: 400~500 square meters(room height: 2.6-3m)
HJ-8480H Dehumidification capacity: 20kg/h, applicable area: 500~600 square meters (room height: 2.6-3m)
HJ-8600H Dehumidification capacity: 25kg/h Applicable area: 600~700 square meters (room height: 2.6-3m)
HJ-8720H Dehumidification capacity: 30kg/h Applicable area: 700~800 square meters (room height: 2.6-3m)
The selection of dehumidification capacity and model of dehumidifier is mainly calculated scientifically according to the volume of the use of environmental space, the size of fresh air volume, and the humidity requirements required by the space environment. In addition, it should be noted that the relative humidity of the environment is related to the temperature of the environment, the higher the temperature, the faster the humidity evaporates, and the worse the effect, so when configuring the dehumidifier, you need to select the type under the guidance of professionals, so as to choose the most suitable dehumidifier for you!
除湿量计算公式：W=V*P*(X2-X1)/1000*1.2( kg/h)【W=所需除湿量(kg/h)、 P=空气密度(kg/m3)1.2、V=场所体积、X2=除湿前空气含湿量、X1=除湿后空气含湿量、1.2=安全系数(损耗)】。