2023
DOI: 10.1002/pc.27842
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Modification mechanism of modified diatomite with flexible amine‐based structure as a filler of epoxy resin and mechanical properties and curing kinetic of composites

Huixiao Wang,
Chunhua Lou,
Jingjing Yu
et al.

Abstract: In this study, the binding of amine‐based hyperbranched macromolecular polyethyleneimine (PEI) to diatomite (DE) was carried out by using the silane coupling agent KH560 (PEI‐KH560‐DE). Fourier infrared spectroscopy, scanning electron microscopy were used to characterize the structure of the modified DE. Then, the composites were prepared using PEI‐KH560‐DE as the filler in the epoxy resin matrix and then cured with dimethylimidazole. The cured composites were tested for impact resistance, flexural properties,… Show more

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“…Epoxy resin is a commonly used thermosetting resin with excellent mechanical properties, low shrinkage, chemical resistance, electrical insulation, and other advantages [1,2]. It has been applied in many fields such as electronics and electrical, mechanical, construction, and even aerospace.…”
Section: Introductionmentioning
confidence: 99%
“…Epoxy resin is a commonly used thermosetting resin with excellent mechanical properties, low shrinkage, chemical resistance, electrical insulation, and other advantages [1,2]. It has been applied in many fields such as electronics and electrical, mechanical, construction, and even aerospace.…”
Section: Introductionmentioning
confidence: 99%