A polyurethane is typically produced by reacting a polymeric isocyanate with a polyol. [3] Since a polyurethane contains two types of monomers, which polymerize one after the other, they are …

中文名 聚氨酯 [45] 外文名 Polyurethane CAS登录号 51852-81-4 [44] 简 称 PU 主要产品 聚氨酯泡沫、氨纶、聚氨酯涂料、胶黏剂等 特 性 耐油，耐磨，耐低温，耐老化，硬度高，有弹性 应 …

A polyurethane sphere may be relatively heavy, however such a wheel can be made hollow to reduce the weight.

Oct 3, 2025 · Polyurethane, any of a class of synthetic resinous, fibrous, or elastomeric compounds belonging to the family of organic polymers made by the reaction of diisocyanates …

May 16, 2025 · Abstract Polyurethane (PU), an important polymeric material, has been widely utilized in numerous fields since its initial synthesis in 1937, owning to its distinctive molecular …

Oct 8, 2024 · Polyurethane provides a durable, protective finish for floors or furniture in your home. In this guide, we discuss the various types of polyurethane, when to use each one, and …

May 21, 2025 · 聚氨酯（Polyurethane，簡稱 PU）是一種高分子聚合物，該材料是由異氰酸鹽（或異氰酸酯）和多元醇通過化學反應合成，它擁有多樣的物理結構，因此能呈現出不同的形 …

Polyurethane - 简介 聚氨酯树脂是一种热固性塑料，具有良好的物理和化学性质。 它具有强度高、耐磨损、耐化学腐蚀、耐热性好等特点。 聚氨酯树脂可用于制造泡沫、涂料、胶黏剂和弹性 …

聚氨酯 （PU，polyurethane）是指分子结构中含有 氨基甲酸酯基团 （-NH-COO-）的聚合物。 氨基甲酸酯一般由 多异氰酸酯 （包括二异氰酸酯）和 多元醇 （包括二元醇）反应获得。

Recent advancements in polyurethane chemistry have highlighted the significant environmental and health concerns associated with isocyanate-based polyurethanes, primarily due to the …