Temat: dioxide composite - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Fabric Treated with Dye Modified TiO2/Graphene Composite and its Photocatalytic and Self-Cleaning Properties
Autorzy:: Wen, Yu-xin
Bao, Li-hong
Ling, Jia-wen
Guan-Fanglan
Mei, Zhang
Nie-Jinmei
Powiązania:: https://bibliotekanauki.pl/articles/2200765.pdf
Data publikacji:: 2022
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Biopolimerów i Włókien Chemicznych
Tematy:: dye modified titanium
dioxide composite
graphene composite
treatment method
cotton fabric
photocatalytic self-cleaning
photocatalytic degradation
Opis:: In this paper, a dye modified titanium dioxide/graphene composite (DTG20) was prepared using direct grey D, a dye with good water solubility, as a modifier. Then the DTG20 and its intermediates, including TiO2 and titanium dioxide/graphene (TG), were finished on cotton fabric through the padding, coating and compounding methods, respectively. Photocatalytic properties of the treated fabrics were investigated using the MB simulated pollutant. It was found that the photodegradation efficiency of MB shown by DTG20 finished fabric treated with the compounding method can reach 90.55 %, and after four recycling experiments, the removal rate of MB can still reach 77.07 %. After being exposed to sunlight for 6 hours, the photodegradation efficiency of MB stained on the surface of DTG20 treated fabric can achieve 91.44 %; therefore, it also exhibited an excellent self-cleaning effect.
Źródło:: Fibres & Textiles in Eastern Europe; 2022, 5 (151); 53--59
1230-3666
2300-7354
Pojawia się w:: Fibres & Textiles in Eastern Europe
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Studies on the Effect of Nano-MnO2 in HTPB-based Composite Propellant Formulations
Autorzy:: Kshirsagar, D. R.
Jain, S.
Bhandarkar, S.
Vemuri, M.
Mehilal, -
Powiązania:: https://bibliotekanauki.pl/articles/951478.pdf
Data publikacji:: 2017
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:: composite propellant
nano-manganese dioxide
pressure exponent
burning rate
Opis:: Various propellant compositions were prepared incorporating fully characterized nano-sized manganese dioxide, from 0.25 wt.% to 1.0 wt.%, in HTPB/AP/Al-based composite propellant formulations having 86 wt.% of solid loading, and its effects on the viscosity build-up, thermal, mechanical and ballistic properties were studied. The findings revealed that on increasing the percentage of nano-MnO2 in the composition, there was an increase in the end of mix viscosity, the modulus and tensile strength, while the elongation decreased accordingly. The data on the thermal properties revealed a reduction in the decomposition temperature of ammonium perchlorate (AP) as well as of the formulations based on it. The data on the ballistic properties revealed that there is an enhancement in the burning rate from 6.11 mm/s (reference composition) to 7.54 mm/s at 6.86 MPa (a 23% enhancement in the burning rate) and an increase in the pressure exponent from 0.35 (reference composition) to 0.42 with 1.0 wt.% nano-MnO2.
Źródło:: Central European Journal of Energetic Materials; 2017, 14, 3; 589-604
1733-7178
Pojawia się w:: Central European Journal of Energetic Materials
Dostawca treści:: Biblioteka Nauki

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