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1.Color of polymerized rosin glycerol ester was investigated by CIE system L*a*b*.
用CIE色度系统L*a*b*值测定了聚合松香及其甘油酯的颜色。收藏指正
2.Through purification of raw rosin and improvement of synthesis conditions, a polymerized rosin with di-mer contents of 90. 5% , softening point 181 ℃, acid value 151. 4 mg KOH/g was synthesized .
通过对松香原料进行精制,并改进合成条件,制备了软化点为18、酸值为151.4 mg KOH/g、二聚体含量达90.5%的聚合松香;收藏指正
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