Optimization of tensile strength for new type acetone-urea-formaldehyde furan resin using uniform design
In this study, the 24 h tensile strength of new type acetone-urea-formaldehyde furan resin (nitrogen content 3%) was investigated by uniform design optimization. Four independent variables such as acetone : formaldehyde molar ratio (mol/mol), solution pH value, reaction temperature (℃) and reaction...
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doaj-7a9327bf079043259ea4fcf3108e28132020-11-25T01:08:29ZengFoundry Journal AgencyChina Foundry1672-64212011-02-01813035Optimization of tensile strength for new type acetone-urea-formaldehyde furan resin using uniform design Lin ShengjunZhao YaLi YuancaiIn this study, the 24 h tensile strength of new type acetone-urea-formaldehyde furan resin (nitrogen content 3%) was investigated by uniform design optimization. Four independent variables such as acetone : formaldehyde molar ratio (mol/mol), solution pH value, reaction temperature (℃) and reaction time (min) were considered in the experiments. U*13(134) uniform design was employed and the equation of 24 h tensile strength model was obtained after 13 experimentations. The 24 h tensile strength was optimized by applying single factor experiments and stepwise non-linear regression analysis. Minitab (Minitab 15 trial version) and MATLAB (R2010a trial version) were used for data analysis. The t-value and p-value indicate that the major impact factors include the interaction effect of solution pH value and reaction temperature (X2X3), the linear terms of acetone : formaldehyde molar ratio (X1), reaction time (X4) followed by the square effects of acetone/formaldehyde molar ratio (X1X1). The optimized results were achieved with the acetone: formaldehyde molar ratio (mol/mol) at 3:1, solution pH value at 6.0, reaction temperature at 70 ℃, and reaction time at 140 min, respectively. This method can not only significantly reduce the number and cost of the tests, but also provide a good experimental design strategy for the development of furan resin. The investigation shows that the predicted results of 24 h tensile strength are consistent well with the experimental ones. http://www.foundryworld.com/uploadfile/201131448454541.pdfacetone-urea-formaldehyde furan resin24 h tensile strengthsingle factor experimentuniform designstepwise regression |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Lin Shengjun Zhao Ya Li Yuancai |
spellingShingle |
Lin Shengjun Zhao Ya Li Yuancai Optimization of tensile strength for new type acetone-urea-formaldehyde furan resin using uniform design China Foundry acetone-urea-formaldehyde furan resin 24 h tensile strength single factor experiment uniform design stepwise regression |
author_facet |
Lin Shengjun Zhao Ya Li Yuancai |
author_sort |
Lin Shengjun |
title |
Optimization of tensile strength for new type acetone-urea-formaldehyde furan resin using uniform design |
title_short |
Optimization of tensile strength for new type acetone-urea-formaldehyde furan resin using uniform design |
title_full |
Optimization of tensile strength for new type acetone-urea-formaldehyde furan resin using uniform design |
title_fullStr |
Optimization of tensile strength for new type acetone-urea-formaldehyde furan resin using uniform design |
title_full_unstemmed |
Optimization of tensile strength for new type acetone-urea-formaldehyde furan resin using uniform design |
title_sort |
optimization of tensile strength for new type acetone-urea-formaldehyde furan resin using uniform design |
publisher |
Foundry Journal Agency |
series |
China Foundry |
issn |
1672-6421 |
publishDate |
2011-02-01 |
description |
In this study, the 24 h tensile strength of new type acetone-urea-formaldehyde furan resin (nitrogen content 3%) was investigated by uniform design optimization. Four independent variables such as acetone : formaldehyde molar ratio (mol/mol), solution pH value, reaction temperature (℃) and reaction time (min) were considered in the experiments. U*13(134) uniform design was employed and the equation of 24 h tensile strength model was obtained after 13 experimentations. The 24 h tensile strength was optimized by applying single factor experiments and stepwise non-linear regression analysis. Minitab (Minitab 15 trial version) and MATLAB (R2010a trial version) were used for data analysis. The t-value and p-value indicate that the major impact factors include the interaction effect of solution pH value and reaction temperature (X2X3), the linear terms of acetone : formaldehyde molar ratio (X1), reaction time (X4) followed by the square effects of acetone/formaldehyde molar ratio (X1X1). The optimized results were achieved with the acetone: formaldehyde molar ratio (mol/mol) at 3:1, solution pH value at 6.0, reaction temperature at 70 ℃, and reaction time at 140 min, respectively. This method can not only significantly reduce the number and cost of the tests, but also provide a good experimental design strategy for the development of furan resin. The investigation shows that the predicted results of 24 h tensile strength are consistent well with the experimental ones. |
topic |
acetone-urea-formaldehyde furan resin 24 h tensile strength single factor experiment uniform design stepwise regression |
url |
http://www.foundryworld.com/uploadfile/201131448454541.pdf |
work_keys_str_mv |
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