However, most of the aqueous polyurethane membrane is bad water and solvent resistance, which limits its application.
大多数水性聚氨酯涂膜耐水性、耐溶剂性等较差，限制了其应用范围。
Although the fluorine rubber has the outstanding heat resistance and solvent resistance property, it also have some problems such as sticking the mold, the bad fluidity in processing.
同时，虽然氟橡胶具有优异的耐高温和耐介质性能，但在加工过程中仍然存在着粘模、热撕裂性及充模流动性差以及物理特性等方面的问题。
The good solvent is high boiling point ester compound and has the advantages of no bad smell, no toxicity, no pollution, high recovery rate, low cost, etc.
本发明采用 高沸点酯类化合物作为良溶剂，具有无难闻气味、无毒性、无污染、回收率 高、成本低廉等优点。
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