Analysis of polymerization behavior of multifunctional monomer with limited wave length and laser.

有限波长和激光下多功能单体的聚合行为分析。

• 批准号: 10671791
• 负责人: URABE Hidenori
• 金额: $ 2.05万
• 依托单位: Hiroshima University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1998
• 资助国家: 日本
• 起止时间: 1998 至 1999
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-10671791/
• 关键词: Laser; polymerization; radical; CQ; レーザー; 照射器; ラジカル; 反応率; 活性化エネルギー

Up to now, the commercial visible light unit have been used for the VL cure composite resin to be polymerized. However, there are few reports which the wave length area of VL unit exerts the influence on the radical generation mechanism of CQ.Therefore, in this research, the laser unit of the wave length of 473nm and the commercial VL unit was used. And, the comparison examination of the influence on the polymerization behavior was done. The following conclusions were as a result.1. In the irradiation of 40 seconds, polymerization rate was higher in case of VL unit than that of the Laser unit. Thus, it was suggested that the amount of energy relate to the polymerization rate.2. The polymer decomposition activated energy by the laser unit was larger than that of the commercial VL unit.3. It was recognized that the leachabitity of polymerization initiator depended on the degree of conversion of VL cured resin respectively.

到目前为止，商用可见光单元已用于VL固化复合树脂的聚合。然而，关于VL单元波长面积对CQ自由基生成机制影响的报道很少。因此，本研究选用了473nm波长的激光单元和商用VL单元。并进行了对聚合行为影响的对比研究。结果得出以下结论：在40秒的辐照下，VL单元的聚合速率高于激光单元。因此，认为能量的多少与聚合速率有关。激光装置对聚合物的分解活化能大于商用VL装置。结果表明，聚合引发剂的浸出性分别取决于VL固化树脂的转化率。