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Performance Analysis Of Laminated Non Woven Fabric

Author:Baby & Adult Diaper Materials FROM:Diaper Materials Manufacturer TIME:2022-07-21

In the process of preparing biodegradable polypropylene laminated non woven fabric, the rotating speed of metering pump, hot rolling temperature and spinning temperature will have a great influence on its physical properties. In this paper, by analyzing the thermal properties of fibers before and after drafting in a high-speed flow field, the properties of the prepared biodegradable polypropylene laminated non woven fabric were analyzed.

1. The effect of metering pump speed on the performance of laminated non woven fabric

By setting different metering pump speeds, the fiber properties of the prepared composite fiber yarn and the performance indicators of the composite spunbond fabric are analyzed, so as to combine the fiber properties of the laminated non woven fabric and the non-woven fabric properties to obtain the best metering pump speed.

Taking the prepared biodegradable polypropylene composite spunbond non-woven fabric as an example, the analysis results are as follows: the diameter, linear density and breaking strength of the fiber filaments all increase with the increase of the speed of the metering pump. The performance indicators such as the thickness, tensile strength and gram weight of the sticky cloth also show an increasing trend with the increase of the speed of the metering pump. Therefore, the rotational speed of the metering pump is positively correlated with the properties of the prepared biodegradable polypropylene composite fibers and spunbond fabrics. In order to obtain the good performance of the biodegradable polypropylene composite spunbond fabric, the rotating speed of the metering pump can be increased under appropriate conditions to prepare the composite spunbond fabric with excellent performance.

 laminated non woven fabric

2. The effect of hot rolling temperature on the properties of laminated non woven fabric

By fixing other preparation process parameters and setting different rolling mill hot rolling temperatures, the effect of hot rolling temperature on the properties of the prepared composite fiber filaments was studied and analyzed. The test found that when the hot-rolling reinforcement temperature of the rolling mill is too low, the hot-rolled fibers cannot be fully melted, resulting in unclear lines and poor hand feeling.

Taking the prepared biodegradable polypropylene laminated non woven fabric as an example, when the hot-rolling reinforcement temperature reaches 70 °C, the composite fiber has a clear texture and slight sticking, so 70 °C has reached the upper limit of the reinforcement temperature. The performance indicators were analyzed by setting the hot rolling temperature of the rolling mill to 40, 50, 60 and 70 °C, respectively. The results are as follows: with the increase of the hot rolling reinforcement temperature of the rolling mill, the thickness of the composite spunbond fabric decreased and the tensile strength increased. And tend to be stable, the gram weight first increases and then decreases. Comprehensive analysis of various performance indicators can be seen that when the hot rolling temperature of the rolling mill is 60 ℃, the tensile strength of the prepared composite spunbond fabric reaches the maximum value.

 laminated spunbond fabric

3. Effect of spinning temperature on the properties of laminated non woven fabric

Also while fixing other preparation process parameters, different spinning temperatures were set to conduct experiments to analyze the effect of spinning temperature on the properties of the prepared composite fibers and the properties of the prepared biodegradable polypropylene composite spunbond fabrics.

Taking the prepared biodegradable polypropylene composite spunbond non-woven fabric as an example, under the conditions that the metering pump speed is 25r/min and the hot rolling temperature is 60℃, the experimental results are: when the spinning temperature is 170℃, the prepared The properties of the composite fiber yarn and the composite spunbond fabric are the best.

 non woven fabric material

Through the research and analysis of the properties of the prepared biodegradable polypropylene laminated non woven fabric, the optimal process parameters of the items affecting its performance, such as metering pump speed, rolling mill hot rolling temperature and spinning temperature, can be achieved. Efficient preparation of biodegradable polypropylene composite nonwovens.

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