【摘要】 介绍了已二酸、一缩二乙二醇和不饱和二元酸不同摩尔比对用于制扣的不饱和聚酯的影响,并对调色工艺进行了研究.更多还原

【Abstract】 The effects of adipic acid, diethylene glycol with different mol fraction to unsaturated and saturated acids are examined, in the manufacture of unsaturated polyester resins molding compounds for button. A color improver, a colorless product is obtained for im- proving the appearance of the bottons.更多还原