Characterization of Flexible Polyurethane Foams based on Soybean-Based Polyols

被引：33
|
作者：
Das, Sudipto [1 ]
Dave, Mahendra [2 ]
Wilkes, G. L. [1 ]
机构：
[1] Virginia Tech, Dept Chem Engn, Blacksburg, VA 24061 USA
[2] BioBased Technol, Rogers, AR 72756 USA
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2009年 / 112卷 / 01期
关键词：
polyurethane; renewable resources; microstructure; morphology; mechanical properties; STRUCTURE-PROPERTY RELATIONSHIPS; VISCOELASTIC BEHAVIOR; RELATIVE-HUMIDITY; SYNCHROTRON SAXS; FT-IR; OIL; TEMPERATURE; MORPHOLOGY;
D O I：
10.1002/app.29402
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Two series of flexible polyurethane foams were fabricated by substituting conventional petroleum-based polyols with increasing amounts of soy-based polyols (SBP) having different hydroxyl numbers. The mechanical properties of the foam. were characterized by stress-strain analysis in the compression mode and DMA in tension mode, the cellular morphology was analyzed by SEM and the microphase-separation of the foams was noted by SAXS. Our results showed that the Cellular morphology and mechanical properties of the flexible foams were affected significantly by the foam fabrication method and SBP hydroxyl numbers. (c) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 112: 299-308, 2009
引用
收藏
页码：299 / 308
页数：10
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