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A novel 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) graft γ-amino propyl triethoxy silane (KH550) was synthesized and introduced on the surface of wood fi ber. Finally DOPO-g-KH550 treated wood fi ber (DKTWF) was used to prepare DKTWF composite phenolic foams (DKTWFCPF). The structures of DOPO-g- KH550 was acknowledged by Fourier transform infrared (FT-IR) and nuclear magnetic resonance (1 H-NMR). The structures of DKTWF were confirmed by FT-IR. Compared with wood fi ber, the diffraction peaks’ position was basically unchanged, but the crystallinity was slightly increased and thermal stability were dramatically improved, T5% and Tmax increased by 21.9° and 36.1° respectively. But the char yield (800°) was slightly reduced. With the dosage of DKWF, there were different degrees of improvement including the mechanical properties, flame retardancy and microstructure of DKTWFCPF. Comprehensive analysis, the interfacial compatibility was signifi cantly improved between DKTWF and phenolic resin, and the suitable content of DKTWF was 4%.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
47--53
Opis fizyczny
Bibliogr. 46 poz., rys., tab.
Twórcy
autor
- Nanjing Forestry University, College of Materials Science and Engineering, Nanjing 210037;
autor
- Nanjing Forestry University, College of Materials Science and Engineering, Nanjing 210037;
autor
- Nanjing Forestry University, College of Materials Science and Engineering, Nanjing 210037;
autor
- Institute of Chemical Industry of Forestry Products, CAF, Jiangsu Province, Nanjing 210042, China
autor
- Chinese Academy of Forestry, Beijing 100091, China
Bibliografia
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Uwagi
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-0fb9f0f0-112f-416e-b2e7-31b036be4600