信阳师范学院学报（自然科学版）
信暘師範學院學報（自然科學版）
신양사범학원학보（자연과학판）
JOURNAL OF XINYANG NORMAL UNIVERSITY(NATURAL SCIENCE EDITION)
2014年
3期
371-374,378
,共5页
矿物聚合材料%生石灰%偏高岭土%粉煤灰%水固比%钠水玻璃
礦物聚閤材料%生石灰%偏高嶺土%粉煤灰%水固比%鈉水玻璃
광물취합재료%생석회%편고령토%분매회%수고비%납수파리
geopolymer%quicklime%metakaolin%fly ash%water-solid ratio%sodium silicate liquid
以偏高岭土、粉煤灰为主要原料，沸石、黏土为辅料，生石灰和钠水玻璃为碱激发剂制备矿物聚合材料．通过正交试验研究了养护温度、养护时间、蒸养时间对抗压强度影响，通过单因素实验研究了生石灰用量、水固比及水玻璃模数对抗压强度影响；并通过红外光谱、X-射线衍射和扫描电镜分析了样品的化学键变化、物相组成及微观形貌．结果表明，最佳的养护条件为养护温度80℃、湿度95％，养护时间72 h，0．8 MPa蒸养8 h；生石灰用量、水固比、水玻璃模数的最佳值分别为3％（wt）、0．37、2．3，样品的最大抗压强度为60．8 MPa．
以偏高嶺土、粉煤灰為主要原料，沸石、黏土為輔料，生石灰和鈉水玻璃為堿激髮劑製備礦物聚閤材料．通過正交試驗研究瞭養護溫度、養護時間、蒸養時間對抗壓彊度影響，通過單因素實驗研究瞭生石灰用量、水固比及水玻璃模數對抗壓彊度影響；併通過紅外光譜、X-射線衍射和掃描電鏡分析瞭樣品的化學鍵變化、物相組成及微觀形貌．結果錶明，最佳的養護條件為養護溫度80℃、濕度95％，養護時間72 h，0．8 MPa蒸養8 h；生石灰用量、水固比、水玻璃模數的最佳值分彆為3％（wt）、0．37、2．3，樣品的最大抗壓彊度為60．8 MPa．
이편고령토、분매회위주요원료，비석、점토위보료，생석회화납수파리위감격발제제비광물취합재료．통과정교시험연구료양호온도、양호시간、증양시간대항압강도영향，통과단인소실험연구료생석회용량、수고비급수파리모수대항압강도영향；병통과홍외광보、X-사선연사화소묘전경분석료양품적화학건변화、물상조성급미관형모．결과표명，최가적양호조건위양호온도80℃、습도95％，양호시간72 h，0．8 MPa증양8 h；생석회용량、수고비、수파리모수적최가치분별위3％（wt）、0．37、2．3，양품적최대항압강도위60．8 MPa．
Geopolymer was prepared with fly ash and metakaolin as the main raw materials , natural zeolite and clay as the auxiliary materials , activated with sodium silicate and quicklime .Influence of curing temperature , curing time and autoclave curing time on compression strength were investigated by orthogonal experiments .Effects of quick-lime amount, water-solid ratio and sodium silicate modulus on compression strength were also studied by single factor experiment .Chemical bounding , phase composition and microstructure of geopolymer were characterized by FT-IR, XRD and SEM techniques .Results show that the optimized conditions are curing temperature of 80 ℃, humidity of 95%, curing time of 72 h, autoclaved curing at 0.8 Mpa for 8 h.Quicklime dosage, water solid ratio and the modulus of sodium silicate is 3%(wt), 0.37 and 2.3, respectively.The compression strength of the optimal sample is 60.8 MPa.
