The features of isocyanate trimer and physical properties of tri-n-butyl-phosphine for isocyanate trimer catalyzer were introduced.

  • 简要介绍了多异氰酸酯三聚体的特点,以及多异氰酸酯三聚催化剂三正 丁基 膦的物理性质.

  • 互联网摘选 2025-01-18 12:29:03

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