建筑外墙保温技术及XPS节能材料.doc

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1、建筑外墙保温技术及XPS节能材料(武汉理工•大学材料学院)摘要：随着能源短缺的日益严重，如何节能降耗成为整个社会共同关注的话题。在建筑领域，国家强制性要求建筑物要达到一定的节能标准，这就对建筑材料提出了更高的要求。近年来我国保温技术水平已有很大提高，保温材料的品种及生产能力不断扩大，但整体保温节能效益较发达国家还有相当大的差距。针对目前外墙内保温的缺点，介绍了外墙外保温的发展和特点，归纳了外墙外保温技术的优势，并展望了建筑外墙外保温技术的发展前景，对建筑外墙外保温节能技术的推广具有一定的指导意义，并介

2、绍了建筑外墙外保温节能材料的类型和特性。XPS板外墙外保温系统的组成材料有)XPS板、界面处理剂、专用粘结剂或聚合物胶泥、耐碱玻纤网格布、机械锚固件和饰面材料等。工程中采用XPS外墙外保温技术，可提髙建筑物的节能和保温效果，并具有防水效果佳、缩短工期、施工便捷等优点。关键词：绝热保温材料；外墙内保温；外墙外保温；挤塑聚苯乙烯泡沫板【中图分类号ITU551.3文献标识码：BEnergy-savingTechniqueandMaterialofExternalWallintheBuildingHouwei

3、(WuhanUniversityofTechnologyInstituteofMaterials,Wuhan430070,China)Abstract:Astheshortageofenergyisbecomingincreasinglyserioushowtosaveenergyhasbeenaproblemthatallthepeoplehavetopaycloseattentionto.In(heconsttuctionfield,energy・savingstandardsregulatedb

4、ythestatehavetobemet.whichmakestillgreaterdemandonthebuildingmaterials・ThermalinsulatingtechnologyinChinahasbeendevelopedandthesortandproductionscalehavebeenenlargedinrecentyeais.Accordingtotheshortagesofinternalthermalinsulationofexternalwall・Thedevelo

5、pmentandtheircharacteristicsofouterthennalinsulationtechniquesofexternalwallwereintroduced・Someadvantagesofexteriorinsulationtechnologyofexternalwallweresummarized・Thedevelopmentprospectofexteriorinsulationtechnologyofexternalwallwasanticipatedinorderto

6、promotetheapplicationofthistechnologyinbuildingengineering.Expatiatedtheenergy-savingmaterialofexteriorinsulationsystemofexternalwall・TheouterinsulationsystemofexternalwallwithXPSplateiscomposedofXPSplate,boundaryfinishingagent,specialbondingagentorpoly

7、merplaster,alkali—resistantglassfabric>mechanicalanchorageandfinishingmaterials・Whenusedintheengineeringsthistechnologycannotonlyimprovetheenergy—savingandinsulatingeffectsofthebuilding,butalsohastheadvantagesofgoodwaterproof,shortconstructionperiod,eas

8、yconstructionandetc.KeyWords；thennalinsulatingmaterial:internalthennalinsulationofexternalwall;exteriorinsulationofexternalwall;squeezedpolystyrenefoamplate1引言建筑建材业是耗能大户，建筑物在使用过程中的能耗占总能耗的30〜40%,同时排放出大量的C02、NOx、悬浮颗粒物和英它污染物。因此，在这一领