Activity of molybdate-intercalated layered double hydroxides in the oxidation of styrene with air



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Chuyển đổi dữ liệu30.08.2016
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Activity of molybdate-intercalated layered double hydroxides in the oxidation of styrene with air
Nguyen Tien Thao*, Nguyen Duc Trung, Dang Van Long

Faculty of Chemistry, Vietnam National University, Hanoi

19 Le Thanh Tong ST, Hanoi, Vietnam 10000

*Corresponding author: Tel. (+84) – (04) 3825 3503; Fax: (+84) – (04) 3824 1140

Email: ntthao@vnu.edu.vn (N. Tien Thao)
Table 1S. The composition of starting materials


Catalyst

Batch #


Mg(NO3)2

·6H2O (g)



(NH4)6Mo7O24.4H2O (g)

Al(NO3)2

·9H2O (g)



∑ NaOH

(g)


MAM-10

16.442

1.415

  6.014

6.412

MAM-15

 12.956

1.912

 8.124

5.775

MAM-20

10.101

2.318

9.852

5.253

MAM-30

 5.703

  2.945

12.515

4.418




Figurre 1S. Nitrogen absorption-desorption isotherms of two representative Mg-Al-Molybdate hydrotalcite –like compounds



A


Figure 2S. SEM images of MAM-10 (A) and MAM-15 (B) under larger objection



Figure 3S. Effect of reaction time on the catalytic activity over MAM-20 at 80 oC , DMF solvent, 0.2 grams of catalyst, DMF solvent (Others: benzoic acid, and styrene glycol)


Figure 4S. Effects of reaction temperature on catalytic activity over sample MAM-20 at 90 oC, 12 hours, air oxidant, DMF solvent, 0.2 grams of catalyst.


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