Traditional solventbasedcoating needs a lot of quick volatile organic solvent which is volatile into the atmosphere as spraying, so it pollutes environment badly.
传统的溶剂型涂料在喷涂时需大量的快挥发有机溶剂，其在喷涂过程中挥发进入大气，严重地污染了环境。
2
Defects such as gel particle and coating agent penetrating into base cloth will easily arise in solvent-based polyurethane coating with float knife coater.
在浮动式刮刀涂层机上进行溶剂型聚氨酯涂层，易产生溶胶胶粒、涂层剂渗入基布等疵病。
3
This paper reports the preparation of a solvent-free (zero VOC) epoxy-basedcoating for concrete floors.