Evaluation of the surface tension of poly(vinyl butyral) using the pendant drop method

被引：7
|
作者：
Morais, Douglas [1 ]
Valera, Ticiane Sanches [1 ]
Demarquette, Nicole Raymonde [1 ]
机构：
[1] Univ Sao Paulo, Polytech Sch, Mat & Met Engn Dept, Ave Prof Mello Moraes 2463, BR-05508900 Sao Paulo, Brazil
来源：
MACROMOLECULAR SYMPOSIA | 2006年 / 245卷
关键词：
pendant drop method; poly(vinyl butyral); tension surface;
D O I：
10.1002/masy.200651329
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this work the surface tension of poly(vinyl butyral) was evaluated for temperatures ranging from 240 to 260 degrees C, using the pendant drop method. The surface tension values obtained were in the same range as the ones obtained for other molten polymers; However the variation of surface tension with temperature was more than ten times larger than for other molten polymers. This difference was attributed to a chemical change of the polymer during the surface tension measurement.
引用
收藏
页码：208 / 214
页数：7
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