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聚氨酯防水涂料赵守佳（北京市三原建筑粘合材料厂１０００７１）第一讲聚氨酯防水涂料概述１简介凡是在高分子主链上含有许多重复的－ＮＨＣＯ－基因的高分子化合物通称为聚氨酯（简称为ＰＵ）。聚氨酯防水涂料是聚氨酯合成材料的品种之一，其主要特征是整体防水效果好、...
Polyurethane Waterproof Coating Zhao Shoujia (Beijing Sanyuan Building Bonding Material Factory, 100071) Lecture 1 Overview of Polyurethane Waterproof Coatings 1 Introduction Polymer compounds containing many repeating -NHCO-genes in the polymer backbone are commonly referred to as polyurethane (abbreviated as PU). ). Polyurethane waterproof coating is one of the varieties of polyurethane synthetic materials, its main feature is the overall waterproof effect, ...