Dilute solutions of a simple, coil-like polymer in a volatile solvent are cast on a glass slide in the presence of moist air flowing across the surface.
简单的无规线团状态聚合物溶解在挥发性的溶剂配置成稀溶液，在有潮湿空气在表面流动时浇铸到玻璃片上。
The role of high molecular weight polymers in reducing droplet size is explained in terms of polymer coil overlap which results in a large increase in the viscosity of the solution.
大分子聚合物减少小尺寸液滴数量的作用，可以解释为聚合物分子链卷曲交迭从而使溶液的黏度大幅度增加。
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