挤塑聚苯板外墙外保温技术探讨
  • 作者: 高振永 王兵涛
论文摘要
[摘要]挤塑聚苯板具有密闭蜂窝结构,在国内常应用于外墙外保温。但是,传统的挤塑聚苯板外墙外保温由于聚苯板表面致密、低吸水性、透气性差及与邻近配套材料导热系数相差大等缺点常导致粘结失效,引起开裂、脱落。提出胶粉聚苯颗粒贴砌挤塑板外墙外保温系统,并介绍了该系统的关键配套材料和技术。经试验和实践检验,该系统克服了传统挤塑聚苯板外墙外保温系统的缺点,在保温、耐候和抗裂性能方面都有良好适用性。
[关键词] 外墙外保温; 挤塑聚苯板; 胶粉聚苯颗粒; 耐候; 抗裂
 
Discussion on Exterior Wall External Insulation Technology of XPS Plate

Abstract:In China, XPS plate is usually used in exterior wall external insulation system because of its closed honeycomb structure. But the insulation system always has cracks or falls off because of the bonding failure, which induced by dense surface, low water sorption and poor permeability of XPS plate, as well as the large difference of thermal conductivity between XPS plates and neighbor matching materials. Thus, new technology of XPS plate insulation system bonded by adhesive polystyrene granule is suggested, and its key matching materials and technologies are introduced. It is proved by experiments and practices that the new technology has good applicability in insulation, weatherability and anti-crack.
Key words:exterior wall external insulation; XPS plate; adhesive polystyrene granule; weat
herability; anti-crack
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