Effect of Surface Modification on the Mechanical Properties for the Fabrics of the Polyester Conveyer after Twice RF Plasma

• Main Authors: Chen, Ching-Yuan, 陳靖淵
• Other Authors: Chang, Chih-Pong
• Format: Others
• Language: zh-TW
• Published: 2010
• Online Access: http://ndltd.ncl.edu.tw/handle/03567096880084781689

碩士 === 中國文化大學 === 材料科學與奈米科技研究所 === 98 === This research is to study the high strength polyester fabric pre-treatment by oxygen plasma in different time and energy. And the treatment condition can be divided into one phase and two phase oxygen plasma treated. The purpose is improved the wettability and the smooth surface became rough of polyester fiber, then dipping with RFL solution will absorb more, finally, hot pressing with rubber for conveyor belt product has better adhesion strength. In this study, by having one phase treated 60s, 120s and 180s and two phase 30s with 30s, 60s with 60s and 90s with 90s treatment time with energy of 60W, 150W and 240W. From the result, the fiber changed from smooth to rough and etching effect was occurred after treated, the surface area of fiber was increased as well. The contact angle testing is by glycerol dropping the fabric and testing 20s with interval between 0.5s to get a data. From the result, the wettability was improved by oxygen plasma treated, and the absorption is faster than the untreated. And the best condition is two phase oxygen plasma treated 60s with 60s and 240W. The final contact angle of untreated fabric is 28.7 degree, and the two phase oxygen plasma treated 60s with 60s and 240W is 3.8 degree. In the hot pressing with rubber process, more rubber can fill up the fiber rough area. From the result, the best treatment condition is two phase oxygen plasma treated 60s with 60s and 150W, the tensile broken strength is decreased to 14.66%, it is within industry standard for less than 15%. In the adhesion strength of fabric and fabric layer compared with the untreated has raised up to 11.4kgf (93.4％), and fabric and rubber layer has raised up to 10.7kgf (78.6％).