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Wuyang Huang ; Kiho Cho ; Martina Stenzel , et al. SSRN,4815758. DOI: 10.2139/ssrn.4815758
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Abstract: The interfacial adhesions between inorganic short glass fibres and organic PEEK matrix play a crucial role in the mechanical properties of short glass fiber reinforced PEEK (SGFR-PEEK) bio-composites, while the inherent chemical inertness of PEEK imposes great challenges on the fibre-matrix interfacial modifications. In this experimental investigation, the effects of monomer/polymer selection, chemical concentration, UV-modification time on the thermal, mechanical properties and surface wettability of SGFR-PEEK composites were experimentally studied for the first time. The photo-polymerisation effectively modified the chemical structure, surface wettability of SGFR-PEEK composites and caused significant improvements on the tensile modulus (up to 16.35%) and flexural modulus (up to 11.63%) of SGFR-PEEK composites without noticable decrement on thermal properties, manifesting great potential and advantages for the developments of high-performance bio-composites.
Keywords: PEEK ; short S-Glass fibre ; UV-modification ; fibre-matrix interfacial adhesion ; mechanical properties ; surface wettability
Purchased from AmBeed: 2495-35-4
CAS No. : | 2495-35-4 | MDL No. : | MFCD00048147 |
Formula : | C10H10O2 | Boiling Point : | No data available |
Linear Structure Formula : | CH2CHCO(OCH2C6H5) | InChI Key : | GCTPMLUUWLLESL-UHFFFAOYSA-N |
M.W : | 162.19 | Pubchem ID : | 75617 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P273-P280-P302+P352-P304+P340-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85.0%Chromat. | Aliquat 336; sodium iodide; In water; at 50℃; for 2.5h; | In Example 8, benzyl acrylate was prepared by dissolving <strong>[7446-81-3]sodium acrylate</strong> (10 mmoles = 0.95 g) in water (101.3 g). The reaction flask was immersed in the water bath at 50°C and magnetically stirred. Then, a mixture consisting of benzyl chloride (50 mmoles = 6.29 g), Aliquat 336 (2 mmoles = 0.85 g), and sodium iodide (2 mmoles = 0.30 g) was added to the water phase. The reaction mixture was stirred magnetically at 50°C. The reaction mixture after 150 minutes consisted of benzyl acrylate in a 85.0percent theoretical yield based on <strong>[7446-81-3]sodium acrylate</strong>. Analysis was done with an external standard of Durene (tetramethylbenzene) on a Gas Chromatograph. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
44% | With edetate disodium; In tetrahydrofuran; for 0.5h; | A mixture of benzyl acrylate (60.4 g, 372 mmol) and glycolaldehyde diethyl acetal (10.16 g, 74.5 mmol) in dry THF (70 mL) was stirred vigorously and Triton B (1.7 mL, 5 molpercent) was added. The RM became dark brown gradually over about 0.5 minutes during which an exotherm was noted. The reaction mixture was concentrated in vacuo and purified directly over silica-gel (330 g, Companion) eluting from 0-100percent EtOAc/cyclohexane to give the title compound as acolourless oil.Yield 9.7 g (44percent)1H NMR (400 MHz, CDCI3) 57.34-7.29 (m, 5H), 5.13 (s, 2H), 4.58 (t, J = 5.2Hz, 1H), 3.80, (t, J = 6.4 Hz, 2H), 3.67 (m, 2H), 3.54 (m, 2H), 3.46 (d, J = 5.2 Hz, 2H), 2.64 (t, J = 6.4 Hz, 2H), 1.20 (t, J = 7 Hz, 6H). |
[ 2694-54-4 ]
Triallyl benzene-1,2,4-tricarboxylate
Similarity: 0.83