A high solids acrylic polyurethane coatings by use of a polyester oligomer as plasticizer has been prepared, which can lead to a higher application solids and excellent film performance.

采用低分子量聚酯齐聚物作为丙烯酸树脂的增塑剂，配制高固体分丙烯酸聚氨酯涂料，不仅提高涂料的施工固体分，涂膜的性能也优异。

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The amount of plasticizer, film thickness, curing temperature and curing time effect the release of the DS from the tablet coated with ethylcellulose aqueous dispersion.

结论 ：乙基纤维素水性分散体可作为缓释衣膜材料。增塑剂用量、衣膜厚度、后处理温度、后处理时间等因素均影响药物的释放。

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The influence of the migration of plasticizer on the performances of coatings film is introduced. How to reduce the amount of the plasticizer is discussed.

介绍了增塑剂的迁移性对涂层性能的影响，讨论了如何降低增塑剂的用量。

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