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前言在严寒地区，随着人们生活水平提高，建筑的保温和节能日益受到重视，为了获得保温性能好又节能的建筑材料，就必须研制出一种新型材料来取代传统的砖瓦建筑。由于当前我国以聚苯乙烯泡沫塑料为主的包装材料发展迅速，年产量达几十万吨，这些包装材料是一次性使用，绝大部
Foreword In the cold regions, with the improvement of people’s living standards, the building’s thermal insulation and energy conservation are increasingly valued. In order to obtain building materials with good insulation properties and energy saving, a new type of material must be developed to replace the traditional brick and tile construction. Due to the rapid development of packaging materials based on polystyrene foam in China, the annual output reaches hundreds of thousands of tons. These packaging materials are used for one-off use.