Viscosity, pH, and moisture effect in the porosity of poly(furfuryl alcohol)

被引：43
|
作者：
Oishi, Silvia Sizuka [1 ]
Rezende, Mirabel Cerqueira [2 ]
Origo, Fabio Dondeo [3 ]
Damiao, Alvaro Jose [3 ]
Botelho, Edson Cocchieri [1 ]
机构：
[1] UNESP Sao Paulo State Univ, Dept Mat & Technol, BR-12516410 Guaratingueta, SP, Brazil
[2] AMR IAE DCTA, Aeronaut & Space Inst, Div Mat, BR-12228904 Sao Jose Dos Campos, SP, Brazil
[3] EFO IEAv DCTA, Inst Adv Study, Photon Div, BR-12228001 Sao Jose Dos Campos, SP, Brazil
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2013年 / 128卷 / 03期
基金：
巴西圣保罗研究基金会;
关键词：
synthesis; curing of polymers; thermal properties; resins; FURFURYL ALCOHOL; GLASSY-CARBON;
D O I：
10.1002/app.38332
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The poly(furfuryl alcohol) is highly indicated to obtain advanced carbonaceous materials due mainly to its good carbon yield (around 50%) and a controllable cure reaction. In the processing of some carbonaceous materials, such as monolithic vitreous carbon, it is necessary to make sure that the material has the smallest porosity to be used in nobler applications such as heart valves and aerospace integrated systems. In this manuscript, a design of experiments was used to study the influence of viscosity, pH, and moisture in the porosity of the cured material. This study shows that the moisture exerts a significant influence on the porosity and the trend of the results lead to conclude that lower viscosity and moisture, and the use of non-neutralized poly(furfuryl alcohol) resins lead to obtain materials with better quality. (c) 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
引用
收藏
页码：1680 / 1686
页数：7
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