Skip to main content

Table 1 Concentration values of components in individual compositions, process parameters and properties of the products

From: Preparation and of PVA-based compositions with embedded silver, copper and zinc oxide nanoparticles and assessment of their antibacterial properties

Component

Concentration of the component in the final product

Compositions with nanoZnO

Compositions with nanoAg

Compositions with nanoCu

Ref.

K1

K2

K3

K4

K5

K6

K7

K8

K9

K10

PVA, %

7.0

Sucrose, %

0.12

Hydroxyethyl cellulose, %

0.10

0.10

0.01

0.10

0.10

0.01

0.01

0.10

0.10

0.055

0.10

Guar gum, %

0.01

0.05

0.01

0.05

0.05

0.05

0.05

0.05

0.05

0.05

0.05

Gelatine, %

0.05

0.5

0.5

0.1

0.5

0.3

0.5

0.5

0.5

0.1

0.3

Chitosan, %

0.01

Glycerol, %

14.0

Casein, %

0.4

ZnO, %

3.0

5.0

5.0

0

Silver nitrate + tannic acid → nanoAg, ppm

1000

500

200

200

0

Copper chloride + tannic acid → nanoCu, ppm

1000

200

200

0

 

Process parameters

CNaOH, mol/l

0.5

0.3

0.3

0.3

0.3

0.3

0.9

0.5

0.3

0.3

0.5

T, °C

80

80

60

80

80

60

20

60

80

60

60

 

Properties of the products

pH

7.12

6.81

6.92

5.50

5.44

6.29

7.38

5.38

5.17

5.12

6.12

Density, g/ml

1.111

2.997

1.410

2.903

2.906

1.125

1.105

2.925

2.939

2.915

2.925

Size, nm (DLS)

720

1215

580

1464

407

1544

679

762

186

1489

-

Size, nm (AFM)

300–600

300–400

350–600

250

200

250

200

400

300

350

-