Table 1 Main properties of the materials used as dielectric barrier in the DBD plasma reactor.

From: Functional relationship between material property, applied frequency and ozone generation for surface dielectric barrier discharges in atmospheric air

No.

t eff

t b

Trade name

Chemical description

ε r

tanδ

MA (%)

1

0.03

0.10

Ultralam 3850HT

liquid crystalline polymer

3.14

0.0020

0.04

2

0.05

0.64

RT/6010LM

ceramic-PTFE

10.97

0.0023

0.01

3

0.07

0.64

curamik®

Alumina (Al2O3) 96%

9.0

0.0002

0.00

4

0.09

0.64

RO3006

ceramic-PTFE

6.54

0.0020

0.02

5

0.11

1.00

curamik®

Alumina (Al2O3) 96%

9.0

0.0002

0.00

6

0.20

0.76

RO4350B

hydrocarbon/ceramic

3.48

0.0031

0.06

7

0.36

0.76

TeflonTM

PTFE

2.1

0.0003

0.02

8

0.41

1.52

RO4350B

hydrocarbon/ceramic

3.48

0.0031

0.06

9

0.50

1.52

RO3003

ceramic-PTFE

3.0

0.0010

0.04

10

0.76

1.60

TeflonTM

PTFE

2.1

0.0003

0.02

  1. t eff  = dielectric effective thickness in millimeters; t b  = physical thickness of the dielectric barrier in millimeters; ε r  = relative permittivity of the material; tanδ = loss tangent or dissipation factor; MA = moisture absorption; PTFE = Polytetrafluoroethylene.
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