本文選題：礦渣纖維 + 真空浸漬　； 參考：《西安建筑科技大學(xué)》2015年碩士論文

【摘要】：建筑室內(nèi)環(huán)境的舒適性一直是人們追求的熱點,空氣溫度、濕度是影響居住環(huán)境舒適度的重要因素之一,而建筑材料的選取會極大影響居住環(huán)境的溫度、濕度。礦渣纖維作為由工業(yè)廢料礦渣經(jīng)高溫噴制而成的人工礦物纖維,具有質(zhì)輕、保溫、隔音等性能,常用做保溫材料、吸音材料等建筑填充材料,然而將其作為多孔吸附材料卻鮮有報導(dǎo)。本文選取礦渣纖維作為原材料,通過NaOH溶液對其進行表面改性,使其光滑表面形成無規(guī)則新生產(chǎn)物富硅鋁層,從而使吸附性能增強。分別選取Na2SO4·10H2O、復(fù)配石蠟、二元脂肪酸(癸酸(CA)-月桂酸(LA))作為相變材料,通過步冷曲線法、DSC法以及紅外光譜法表征其熱性能,得到最優(yōu)配比的相變材料。將礦渣纖維對制得的相變材料進行吸附,采用真空浸漬法,對不同壓力、浸滲時間、材料比例條件下制備的復(fù)合相變礦渣纖維進行了正交試驗研究。通過差示掃描法、吸放濕平衡曲線法對礦渣纖維相變材料溫濕性能進行測試,利用掃描電鏡對其形貌、結(jié)構(gòu)進行分析。結(jié)果表明:復(fù)合石蠟/纖維在97%濕度環(huán)境下最大平衡吸濕量達9.3%,其相變溫度為27.54℃,相變潛熱為105.6J/g,具有良好的調(diào)溫調(diào)濕效果。將此復(fù)合材料添加到石膏中制備石膏基復(fù)合材料,為使石膏試塊具有一定強度,在石膏中摻入0.8%摻量的萘系減水劑,通過確定不同摻量下石膏基儲熱復(fù)合材料的用水量,檢測不同摻量下的抗折、抗壓強度,并對按照不同摻量制備的六組試樣進行熱,濕性能的測試及微觀分析,最終確定出最佳摻和比。
[Abstract]:The comfort of indoor environment is always the hot spot that people pursue. Air temperature and humidity are one of the important factors that affect the comfort of living environment, and the choice of building materials will greatly affect the temperature and humidity of living environment. Slag fiber, as an artificial mineral fiber made from industrial waste slag sprayed at high temperature, has the properties of light weight, heat preservation, sound insulation and so on. It is often used as building filling material such as insulation material, sound-absorbing material and so on. However, it is rarely reported as porous adsorption material. In this paper, slag fiber is selected as raw material, surface modification is carried out by NaOH solution to make the smooth surface of slag fiber form irregularly new product silicon-rich aluminum layer, and the adsorbability is enhanced. Na2SO4 10H _ 2O, paraffin wax and binary fatty acid (CACA-Lauryl acid) were selected as phase change materials. The thermal properties of the phase change materials were characterized by step cooling curve method and infrared spectroscopy, and the phase change materials with the best proportion were obtained. The composite phase change slag fibers prepared under different pressure, infiltration time and material ratio were studied by the vacuum impregnation method. The temperature and moisture properties of phase change material of slag fiber were measured by differential scanning method and moisture absorption equilibrium curve method. The morphology and structure of phase change material of slag fiber were analyzed by scanning electron microscope (SEM). The results show that the maximum equilibrium moisture absorption of composite paraffin / fiber is 9.3 under 97% humidity, the phase transition temperature is 27.54 鈩，

本文編號：1948510