Preparation and Properties of the 3-pentadecyl-phenol In Situ Modified Foamable Phenolic Resin
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. The Synthesis of Modified Phenolic Resin
2.3. Preparation of Phenolic Foam
2.4. Characterization
3. Results and Discussion
3.1. Resin Structure
3.1.1. FT-IR Analysis
3.1.2. 1H NMR Analysis
3.1.3. 13C NMR Analysis
3.2. Basic Properties of Resin
3.3. Mechanical Properties of the Foam
3.3.1. Bending Performance Analysis
3.3.2. Compressive Strength Analysis
3.4. Foam Cell Structure
3.4.1. Apparent Density Analysis
3.4.2. Analysis of Water Absorption Rate
3.4.3. Cell Microstructure
3.5. Foam Heat Resistance
3.5.1. Limited Oxygen Index
3.5.2. Thermogravimetric Analysis
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Phenolic resin (phr) | Foaming agent (phr) | Surfactant (phr) | Curing agent (phr) |
---|---|---|---|
100 | 8 | 8 | 12 |
The content of 3-pentadecyl-phenol of total phenol (%) | Gel time (s) | Free formaldehyde content (%) | Solid content (%) |
---|---|---|---|
0 | 218 | 0.22 | 87.6 |
5 | 221 | 0.20 | 87.9 |
7 | 208 | 0.18 | 88.0 |
9 | 197 | 0.17 | 88.4 |
11 | 184 | 0.17 | 88.6 |
13 | 181 | 0.15 | 89.1 |
15 | 182 | 0.16 | 88.8 |
17 | 180 | 0.17 | 88.1 |
19 | 179 | 0.21 | 87.7 |
21 | 181 | 0.24 | 87.0 |
23 | 177 | 0.27 | 86.4 |
25 | 175 | 0.28 | 86.3 |
Parameter | PF | Modified PF |
---|---|---|
Tmax (°C) | 503.7 | 498.5 |
Residual mass (%) | 9.09 | 8.0 |
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Ge, T.; Tang, K.; Yu, Y.; Tan, X. Preparation and Properties of the 3-pentadecyl-phenol In Situ Modified Foamable Phenolic Resin. Polymers 2018, 10, 1124. https://doi.org/10.3390/polym10101124
Ge T, Tang K, Yu Y, Tan X. Preparation and Properties of the 3-pentadecyl-phenol In Situ Modified Foamable Phenolic Resin. Polymers. 2018; 10(10):1124. https://doi.org/10.3390/polym10101124
Chicago/Turabian StyleGe, Tiejun, Kaihong Tang, Yang Yu, and Xiapeng Tan. 2018. "Preparation and Properties of the 3-pentadecyl-phenol In Situ Modified Foamable Phenolic Resin" Polymers 10, no. 10: 1124. https://doi.org/10.3390/polym10101124