喷涂硬泡聚氨酯防水保温材料在墙体工程中的应用技术

Applied technology of spray polyurethane foam insulation-waterproofing material

详细介绍了硬泡聚氨酯的发展现状和特点,并对墙体硬泡聚氨酯的保温防水施工工艺作了简介,阐述了喷涂法施工技术要点及注意事项。

People have been searching for better construction materials and techniques in building science regime.Polyurethane developed in the late 1960s is a high molecular material with excellent performance.Taking polyisocyanate and polylol as raw materials,polyurethane's thermal insulation property is the best in the same kind of materials so far.And it is a repellent material with very good waterproofing performance.The advantages of polyurethane foam used in building field are stable in performance,good in fire resistance and moisture and heat resistance as,better impact resistance than EPS,being able to accommodate movements of main structure,good in cracking resistance,high in durability and easy to apply and maintenance,environmentally-friendly.The key in its application is to control thickness and evenness.Graco is leading company in this field.