Polyurethane ( PU ) pouring sealant was synthesized with polymer H and modified isocyanate K as basic materials.

  • 摘要选用聚合物H和改性异氰酸酯K为主要原料合成聚氨酯 灌封 胶.

  • 期刊摘选 2025-01-20 17:59:00

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