The stretching strength and break elongation of APU film based on DMBA are higher than those based on DMPA.

 
  • 用DMBA制備聚氨酯乳液涂膜吸水前后的拉伸強度和斷裂伸長(cháng)率都大于用DMPA制備的聚氨酯乳液涂膜;
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