兰州交通大学学报
蘭州交通大學學報
란주교통대학학보
JOURNAL OF LANZHOU JIAOTONG UNIVERSITY(Natural Sciences)
2014年
3期
176-182
,共7页
章岩%王起才%张忠元%李韶瑜%彭峰
章巖%王起纔%張忠元%李韶瑜%彭峰
장암%왕기재%장충원%리소유%팽봉
水泥基材料%表面%防护%渗透%超防水%耐久性
水泥基材料%錶麵%防護%滲透%超防水%耐久性
수니기재료%표면%방호%삼투%초방수%내구성
cement-based material%surface%protection%permeability%super waterproof%durabili-ty
水是环境中有害离子对水泥基材料构成侵害的载体,提高抗水性能就可提高抗有害离子侵蚀性能,渗透防护材料区别于在水泥基材料表面附加厚质防护涂层的传统手段,通过基材表面渗透,可在基材表层形成拒水防护层,以达到提高其抗水载有害离子侵蚀的能力的目的.研究结果表明,经研制出的有机硅类表面防护材料处理,可使水泥基材料的表面实现“超防水”效果,经防护处理后的水泥砂浆试块表面吸水率可降低28.7倍.
水是環境中有害離子對水泥基材料構成侵害的載體,提高抗水性能就可提高抗有害離子侵蝕性能,滲透防護材料區彆于在水泥基材料錶麵附加厚質防護塗層的傳統手段,通過基材錶麵滲透,可在基材錶層形成拒水防護層,以達到提高其抗水載有害離子侵蝕的能力的目的.研究結果錶明,經研製齣的有機硅類錶麵防護材料處理,可使水泥基材料的錶麵實現“超防水”效果,經防護處理後的水泥砂漿試塊錶麵吸水率可降低28.7倍.
수시배경중유해리자대수니기재료구성침해적재체,제고항수성능취가제고항유해리자침식성능,삼투방호재료구별우재수니기재료표면부가후질방호도층적전통수단,통과기재표면삼투,가재기재표층형성거수방호층,이체도제고기항수재유해리자침식적능력적목적.연구결과표명,경연제출적유궤규류표면방호재료처리,가사수니기재료적표면실현“초방수”효과,경방호처리후적수니사장시괴표면흡수솔가강저28.7배.
Harmful ions in environment can invade cement-based materials by the carrier of water, so improving the water resistance of the surface can improve anti-corrosion properties of harmful ions.Penetration protective material,which is different from the traditional means of additional thick protective surface coating,penetrates the surface of the substrate materials and forms water-repellent protective layer on the substrate surface so as to achieve the purpose of improving its anti-erosion ability to water containing harmful ion.The research results show that the surface of the cement-based materials achieves "super water-repellent"effect and the surface water absorp-tion of cement mortar test block is reduced 28.7 times after processed by the silicone surface pro-tection materials prepared.