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Tổng hợp hydrotalcit biến tính bằng stearat và ứng dụng trong lớp phủ epoxy

Tô Thị Xuân Hằng, Nguyễn Thùy Dương, Trịnh Anh Trúc, Bùi Văn Trước, Nguyễn Thị Thu Trang, Đỗ Quang Thẩm, Thái Hoàng, Đinh Thị Mai Thanh

Abstract


Hydrotalcite–like compounds intercalated with stearate (HT-SA) were prepared using the coprecipitation method. The HT-SA obtained was characterized by infrared spectroscopy, X-ray diffraction and scanning electronic microscop (SEM). Epoxy coatings containing 3 % hydrotalcite were prepared and applied on carbon steel. The adhesion, impact resistance and flammability properties of epoxy coatings were evaluated. The obtained results show that stearate was intercalated in hydrotalcite. The presence of HT-SA improved the adhesion and flammability properties of epoxy coatings.

Keywords: Hydrotalcite, epoxy coatings, stearate, flammability.

Keywords


Hydrotalcite, epoxy coatings, stearate, flammability

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