Carbon Fabric Reinforced Addition-Cure Phenolic Resins Based on Propargyl and Allyl Ether Functional Novolac Produced by Vacuum Infusion
Composites consisting of propargyl- and allyl/propargyl- modified novolac resins and carbon fabric were obtained by the vacuum infusion molding process. It was established that the presence of potassium cations remaining after the synthesis increase the resin melt viscosity, and acid washing is need...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
al-Farabi Kazakh National University
2020-06-01
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| Series: | Eurasian Chemico-Technological Journal |
| Subjects: | |
| Online Access: | http://ect-journal.kz/index.php/ectj/article/view/956 |
| _version_ | 1811286399059492864 |
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| author | S. Nechausov B. Bulgakov D. Kalugin A. Babkin A. Kepman A. Malakho V. Avdeev |
| author_facet | S. Nechausov B. Bulgakov D. Kalugin A. Babkin A. Kepman A. Malakho V. Avdeev |
| author_sort | S. Nechausov |
| collection | DOAJ |
| description | Composites consisting of propargyl- and allyl/propargyl- modified novolac resins and carbon fabric were obtained by the vacuum infusion molding process. It was established that the presence of potassium cations remaining after the synthesis increase the resin melt viscosity, and acid washing is needed to obtain resins suitable for cost-effective injection techniques of composite fabrication. The mechanical properties of all composites such as compressive strength, tensile strength, in plane shear strength, and interlaminar shear strength were determined at 25, 200 and 230 °С. The carbon fiber reinforced plastics (CFRPs) retained their mechanical properties at temperatures up to 200 °C. It was shown that the use of the obtained allyl-containing polymer matrices improved mechanical properties and increased the thermal stability of the CFRPs in comparison with the propargylated novolac matrices. The composite material with novolac matrices modified by 18% propargyl and 23% allyl groups retains only up to 70% of the initial interlaminar shear strength values at 230 °C which corresponds to the data of the dynamic mechanical analysis of neat cured resins. |
| first_indexed | 2024-04-13T02:59:09Z |
| format | Article |
| id | doaj.art-e0275616ba8b455698e10c280c0eeca3 |
| institution | Directory Open Access Journal |
| issn | 1562-3920 2522-4867 |
| language | English |
| last_indexed | 2024-04-13T02:59:09Z |
| publishDate | 2020-06-01 |
| publisher | al-Farabi Kazakh National University |
| record_format | Article |
| series | Eurasian Chemico-Technological Journal |
| spelling | doaj.art-e0275616ba8b455698e10c280c0eeca32022-12-22T03:05:30Zengal-Farabi Kazakh National UniversityEurasian Chemico-Technological Journal1562-39202522-48672020-06-0122210.18321/ectj956Carbon Fabric Reinforced Addition-Cure Phenolic Resins Based on Propargyl and Allyl Ether Functional Novolac Produced by Vacuum InfusionS. Nechausov0B. Bulgakov1D. Kalugin2A. Babkin3A. Kepman4A. Malakho5V. Avdeev6M.V. Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119992, RussiaM.V. Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119992, RussiaM.V. Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119992, RussiaM.V. Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119992, RussiaM.V. Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119992, RussiaM.V. Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119992, RussiaM.V. Lomonosov Moscow State University, Leninskie Gory 1-3, Moscow 119992, RussiaComposites consisting of propargyl- and allyl/propargyl- modified novolac resins and carbon fabric were obtained by the vacuum infusion molding process. It was established that the presence of potassium cations remaining after the synthesis increase the resin melt viscosity, and acid washing is needed to obtain resins suitable for cost-effective injection techniques of composite fabrication. The mechanical properties of all composites such as compressive strength, tensile strength, in plane shear strength, and interlaminar shear strength were determined at 25, 200 and 230 °С. The carbon fiber reinforced plastics (CFRPs) retained their mechanical properties at temperatures up to 200 °C. It was shown that the use of the obtained allyl-containing polymer matrices improved mechanical properties and increased the thermal stability of the CFRPs in comparison with the propargylated novolac matrices. The composite material with novolac matrices modified by 18% propargyl and 23% allyl groups retains only up to 70% of the initial interlaminar shear strength values at 230 °C which corresponds to the data of the dynamic mechanical analysis of neat cured resins.http://ect-journal.kz/index.php/ectj/article/view/956Vacuum infusionThermosetting resinMechanical propertiesPolymer-matrix composites (PMCs) |
| spellingShingle | S. Nechausov B. Bulgakov D. Kalugin A. Babkin A. Kepman A. Malakho V. Avdeev Carbon Fabric Reinforced Addition-Cure Phenolic Resins Based on Propargyl and Allyl Ether Functional Novolac Produced by Vacuum Infusion Eurasian Chemico-Technological Journal Vacuum infusion Thermosetting resin Mechanical properties Polymer-matrix composites (PMCs) |
| title | Carbon Fabric Reinforced Addition-Cure Phenolic Resins Based on Propargyl and Allyl Ether Functional Novolac Produced by Vacuum Infusion |
| title_full | Carbon Fabric Reinforced Addition-Cure Phenolic Resins Based on Propargyl and Allyl Ether Functional Novolac Produced by Vacuum Infusion |
| title_fullStr | Carbon Fabric Reinforced Addition-Cure Phenolic Resins Based on Propargyl and Allyl Ether Functional Novolac Produced by Vacuum Infusion |
| title_full_unstemmed | Carbon Fabric Reinforced Addition-Cure Phenolic Resins Based on Propargyl and Allyl Ether Functional Novolac Produced by Vacuum Infusion |
| title_short | Carbon Fabric Reinforced Addition-Cure Phenolic Resins Based on Propargyl and Allyl Ether Functional Novolac Produced by Vacuum Infusion |
| title_sort | carbon fabric reinforced addition cure phenolic resins based on propargyl and allyl ether functional novolac produced by vacuum infusion |
| topic | Vacuum infusion Thermosetting resin Mechanical properties Polymer-matrix composites (PMCs) |
| url | http://ect-journal.kz/index.php/ectj/article/view/956 |
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