EFFECT OF PHENOLIC-COMPOUNDS ON THE POLYMERIZATION OF METHYL-METHACRYLATE

被引：55
|
作者：
FUJISAWA, S [1 ]
KADOMA, Y [1 ]
机构：
[1] TOKYO MED & DENT UNIV,INST MED & DENT ENGN,TOKYO 113,JAPAN
来源：
DENTAL MATERIALS | 1992年 / 8卷 / 5-6期
关键词：
D O I：
10.1016/0109-5641(92)90108-O
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
The inhibitory effects of six phenolic compounds and two analogues on the polymerization of methyl methacrylate (MMA) by azobisisobutyronitrile (AIBM) were examined. Differential scanning calorimetry was used to determine the induction period (IP) and initial rate of polymerization (IRP). The IP values (minutes) decreased in the order: eugenol> thymol> hydroquinone> cresol> guaiacol> phenol>>> safrole> methol. The IRP values of all compounds tested ranged from 0.8 to 1.2 percent per minute, except for hydroquinone (0.2 percent per minute). Phenolic compounds inhibited the polymerization of MMA by scavenging radicals, and eugenol was the most potent inhibitor.
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收藏
页码：324 / 326
页数：3
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