Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender ( E-300 ) were prepared.

  • 以多元醇 ( PEA, PPG,PTMG ),PDI, E300为原料,制备了 PU 弹性体.

  • 互联网摘选 2025-01-18 13:28:28

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