The novel points of the article contain three aspects in the following: ( 1) With thiol sealing end polysulfide, poly tetrahydrofuran ether ( PTMG), diphenyl methane diisocyanate ( MDI) as raw materials, to prepare polysulfide-based polyurethane composite material.

  • 本研究的新颖点主要包含以下三方面:(1)以巯基封端聚硫橡胶(PS)、聚四氢呋喃醚(PTMG)、二苯基甲烷二异氰酸酯(MDI)为原料,合成聚硫聚氨酯复合材料。

  • 互联网摘选 2025-01-20 12:31:23

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