聚氨酯发泡与硬泡聚氨酯有什么区别

聚氨酯发泡与硬泡聚氨酯有什么区别
2025-04-06 01:48:44
推荐回答(1个)
回答1:

聚氨酯硬泡,是由硬泡聚醚多元醇(聚氨酯硬泡组合聚醚又称白料),与聚合MDI(又称黑料)通过模具发泡反应制备的。聚氨酯硬泡又有软泡、硬泡、半硬泡之分,主要用于制备硬质聚氨酯泡沫塑料,仿木家具,装饰背景墙,线条天花等。广泛应用于冰箱、冷库、喷涂、太阳能、热力管线、建筑等领域。

聚氨酯硬泡经过精工制作而成,具有质轻,比强度高,导热系数低,透过蒸汽低,闭孔率高,不透水、绝热、防震、吸音、耐油、耐化学腐蚀等优异特性。具有细度微小、色度较高,颜色鲜艳,热稳定。可以用于作
为屋内装饰品,其质量也有好坏,其价格较便宜,利用率高。其随工艺的变化也制成各种档次的品种!外观漂亮,好打理,价格较低,也很耐磨。

聚氨酯硬泡生产工艺硬泡成型工艺聚 氨酯硬泡的基本生产方法聚 氨酯硬泡一般为室温发泡,
成型工艺比较简单。按施工机械化程度可分为手工发泡和机械发泡。根据发泡时的压力, 可分为高压发泡和低压发泡。按
成型方式可分为浇注发泡和喷涂发泡。浇注发泡按具体应用领域、制品形状又可分为块状发泡、模塑发泡、保温壳体浇注等。

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