Effect of composition on the gelation of tissue conditioners.
Effect of composition on the gelation of tissue conditioners.
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组合物对组织调理剂凝胶化的影响。
DOI：
10.1016/0142-9612(95)00340-1
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发表时间：
1996
期刊：
影响因子：
14
通讯作者：
M. Braden
中科院分区：
文献类型：
--
作者：
S. Parker;M. Braden
组织调理剂包括聚（甲基丙烯酸乙酯）粉末（或相关共聚物）和含有增塑剂和乙醇的液体。在20-40°C范围内测量了两种丁基/乙基共聚物和一种聚（甲基丙烯酸乙酯）聚合物与邻苯二甲酸丁酯或马来酸二-2-乙基己基和不同量的乙醇的凝胶化时间。采用专利材料“粘胶”作为标准品。结果根据阿伦尼乌斯方程绘制，从而确定活化能。活化能范围为55 ~ 110 K J mol−1K−1。60/ 40丁基/甲基丙烯酸乙酯共聚物的值最低，含有聚甲基丙烯酸乙酯的共聚物的值最高。
Tissue conditioners comprise poly(ethyl methacrylate) powder (or related copolymer) and a liquid containing a plasticizer and ethanol. Gelation times for two butyl/ethyl copolymers and one poly(ethyl methacrylate) polymer with buty phthalyl butyl glycollate or di-2-ethyl hexyl maleate and varying amounts of ethanol have been measured in the range 20–40 °C. The proprietary material “Viscogel” was used as a standard. Results were plotted according to the Arrhenius equation enabling activation energies to be determined. Values for activation energies ranged from 55 to 110 K J mol−1K−1. The 60/ 40 butyl/ethyl methacrylate copolymer gave the lowest values and those containing poly(ethyl methacrylate) the highest.