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  1. zhang, y., et al. (2020). synthesis and properties of mdi-based polyurethane prepolymers. journal of applied polymer science, 137(21), 48632.

  2. wang, l., & li, h. (2019). effect of storage conditions on the stability of isocyanate prepolymers. chinese journal of chemical engineering, 27(4), 875¨C882.

  3. smith, j. r., & brown, t. (2021). safety practices in polyurethane manufacturing: a comprehensive review. industrial safety and environmental protection, 45(3), 112¨C125.

  4. »¯Ñ§. (2022). ¾Û°±õ¥²úÆ·¼¼ÊõÊֲᣨµÚ5°æ£©. ÑĮ̀£º»¯Ñ§³ö°æÉç.

  5. european chemicals agency (echa). (2023). safety data sheet for mdi modified prepolymer. available at: https://echa.europa.eu/


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