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新型建筑板材是区别于传统的砖瓦砂石等的建筑材料新品种,具有轻质、高强度、保温、节能、无污染等优良特性[1],可以改善房屋功能,减轻建筑物自重,加快建房速度。其中,轻型复合板材根据芯材不同分为聚氨酯复合板材、岩棉复合板材、聚苯乙烯复合板材和酚醛泡沫复合板材[2]。聚氨酯复合板
The new building board is different from the traditional brick and sand and other new building materials varieties, with light, high strength, heat preservation, energy saving, pollution-free and other excellent features [1], can improve the function of housing, reduce the weight of buildings and accelerate Building speed. Among them, the light composite board according to different core material is divided into polyurethane composite sheet, rock wool composite sheet, polystyrene composite sheet and phenolic foam composite sheet [2]. Polyurethane composite board