Polyvinyl butyral

In this paper, polyvinyl butyral (PVB) composite coating was prepared with graphene oxide (GO) to improve mechanical properties, corrosion protection, and thermal oxidation stability. Fourier-transform infrared spectroscopy (FT-IR), Thermogravimetric analysis (TGA), Field Emission Scanning Electron Microscopy (FESEM),... were used to examine the results.

9p viambani 18-06-2024 1 0   Download

Sơn lót ВЛ-02 của Liên bang Nga được sử dụng làm sơn lót bảo vệ bề mặt kim loại như thép carbon, thép không gỉ, kẽm, cadimi, nhôm, hợp kim của đồng và magiê. Bài viết này trình bày các kết quả nghiên cứu chế tạo sơn lót polyvinylbutyral VL02.VN và đánh giá khả năng chống ăn mòn của sản phẩm phù hợp với tài liệu ГOCT 12707-77.

7p vipalau2711 04-01-2021 46 1   Download

This study was conducted to develop formulations of hydrocortisone butyrate (HB)-loaded poly(D,L-lactic-co-glycolic acid) nanoparticles (PLGA NP) suspended in thermosensitive gel to improve ocular bioavailability of HB for the treatment of bacterial corneal keratitis. PLGA NP with different surfactants such as polyvinyl alcohol (PVA), pluronic F-108, and chitosan were prepared using oil-in-water (O/W) emulsion evaporation technique. NP were characterized with respect to particle size, entrapment efficiency, polydispersity, drug loading, surface morphology, zeta potential, and crystallinity.

13p caothientrangnguyen 09-05-2020 22 1   Download

The results revealed that the relative deviation between the values of absorbed doses obtained with our dosimeter and the transfer standards dosimeter measured by HDRL was within the acceptable limitation (about ± 3.0 % in the target range of 2.0-10.0 kGy). And post-irradiation stability of B3 film dosimeters was still maintained after 180 days storage.

6p vineptune2711 04-11-2019 14 0   Download