【摘要】：針對傳統(tǒng)管道內(nèi)襯修復(fù)材料施工中易出現(xiàn)內(nèi)壁塌陷等問題,結(jié)合目前快速發(fā)展的綠色纖維復(fù)合材料,提出在滌綸機織物內(nèi)襯材料中加入苧麻紗線,制作滌綸-苧麻復(fù)合機織物材料來提高樹脂對管道修復(fù)用內(nèi)襯機織物的浸透性能,增強內(nèi)襯材料和管壁的粘結(jié)性能。以纖維外觀、抽拔實驗后纖維斷面形貌的電鏡觀察,并通過樹脂與織物接觸角的測試、粘結(jié)實驗,綜合分析了滌-麻復(fù)合機織物的樹脂浸透性,同時對滌綸-苧麻復(fù)合機織物力學(xué)性能進行測試來保障內(nèi)襯復(fù)合材料滿足強度的要求。實驗結(jié)果表明,采用上述滌-麻復(fù)合織造的方法,可以顯著提高樹脂的浸透性能,有利于攜帶更多的樹脂粘結(jié)劑提高樹脂與管壁的粘結(jié)性,減少塌陷發(fā)生的可能性。同時加入麻復(fù)合的機織物,拉伸頂破性能都滿足高壓燃氣管道的修復(fù)要求。
[Abstract]:In view of the problems such as the collapse of the inner wall in the construction of the traditional pipeline lining repairing materials, combined with the rapid development of the green fiber composite material at present, the Ramie yarn was added to the lining material of polyester woven fabric. The polyester / Ramie composite woven fabric was made to improve the impregnation property of resin to the lining woven fabric for pipeline repair, and to enhance the adhesive property between the lining material and the pipe wall. Taking the appearance of the fiber, the morphology of the fiber section after the pull-out experiment, the contact angle between the resin and the fabric, and the adhesive test, the resin penetration of the polyester / hemp composite woven fabric was comprehensively analyzed. At the same time, the mechanical properties of polyester-Ramie composite fabric were tested to ensure that the interlining composite could meet the strength requirement. The experimental results show that the impregnation property of the resin can be significantly improved by using the method of polyester and hemp composite weaving, and it is advantageous to carry more resin binders to improve the adhesion between resin and pipe wall and to reduce the possibility of collapse. At the same time, the tensile breaking property of the woven fabric with hemp composite can meet the repair requirements of high pressure gas pipeline.
【作者單位】： 天津工業(yè)大學(xué)紡織學(xué)院;
【基金】：國家自然科學(xué)基金(51303128;51403154;51303131) 天津市高等學(xué)校科技發(fā)展基金(20110315) 天津市自然科學(xué)基金(15JCZDJC38400)
【分類號】：TB332;TS101.923

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