tech18[1]sb s

18 6271

1 2 2 2 2 2 3 3 4 105 116 126 137

147 158 (1) 8 (2) 8 (3) 8 (4) 8 (5) 8 (6) 9 (7) 9 (8) 10 (9) 10 1610 10

(VCI)

2 61870

2

VCI

Volatile Corrosion Inhibitor) VRI(Volatile Rust In-

hibitor)

(1) (6)

(2) (7)

(3) (8)

(4) (9)

(5) (10)

(1)

(2)

Hetero cyclic compounds

Triazole

Pyrole

Pyrazole

Thiazole

Imidazole

Thiourea

Mercapto

1 BTA :Benzo triazole

()

2 TTA :Tolyl triazole (Methyl benzotriazole)

()

3 DICHAN :Dicyclohexyl ammonium nitrite

() ()

4 DICHASA :Dicyclohexyl ammonium salicylate

()

5 MEABA :Monoethanolamine benzoate

()

6 DICHABA :Dicyclohexyl ammonium benzoate

()

7 DIPABA :Diisopropyl ammonium benzoate

()

8 DIPAN :Diisopropyl ammonium nitrite

() ()

9 CHC :Cyclohexylamine carbamate

()

10 NITAN :Nitro naphthalene ammonium nitrite

() ()

3

11 CHABA :Cyclohexylamine benzoate

()

12 DICHACHC:Dicyclohexyl ammonium

cyclohexanecarboxylate

(

)

13 CHACHC :Cyclohexylamine cyclohexane

carboxylate

(

)

14 DICHAAA :Dicyclohexyl ammonium acrylate

()

15 CHAAA :Cyclohexylamine acrylate

()

16

4

(1)

a.DICHAN

DICHAN

b.

c.

2NH32HNO2

CO(NH2)22NaNO22H2 2NH4NO2Na2CO3

(2)

BTATTA

CuBTA

Cu1/2O22C6H4N2NH (C6H4N2N)2CuH2O

50

2000CuBTA

Cu2OCuBTA

CuBTA

CuBTA

5

10

(1)

DICHAN

0.01wt

DICHAN

(2)

(20)

5mg

(2020h)

()

(wt) B 1 B2

3.00

0.01

0.10

1.00

2.00

AB

C

0

() DICHAN DIPAN CHC 1 2 3 4 5 16 20

VCH(mg) DICHAN DIPAN CHC50 40 30 20 10 5 4 3 2 1

6

11

DICHAN

12

(1)

(2) 30cm

(3)

(4) 100

(5)

(6)

LD 50(mg/kg)

20515 35050 44020

95% 50098% 93728

675TTA

DICHAN

BTA

DICHAN

500 710 550770 15,00020,000 1,050 1,700 12,000 180277 1,210 4,960

LD50mg/kg

/(30cm)

0.5

(30cm)(30cm)

7

13

(1) Three Bond 1871

5535mm

1100

(2) Three Bond 1872

(3) Three Bond 1873, Three Bond 1873B

Three Bond1873Three Bond

1873B2100

25cm30()2

(4) Three Bond 1874

100150150200150250

2003502503005

(5) Three Bond1875, Three Bond 1875B

Three Bond1875

Three Bond1875B

14

8

15

(a)

(b)

PH

(c)

a

(a)

B

A P

DICHAN

CHACHC

CVL

CVL

La

b

XYZ()

10

a 17.5(1.02)

b 7.0(0.847)/

210

210

210 )()()( bbaaLLE ++=

9

DICHAN CHACHC

1060

()

DICHAN

1.94gm2

JISG3141 SPCCSB

4090RH% 500h

VCI

VCI

VCI*1 *2 L = +51.0 a = -0.1 b = -2.7

0.0 L = +56.2 a = -1.1 b = -3.1 6.2 L = +55.7 a = -0.8 b = -2.7 15.6 L = +55.3 a = -0.8 b = -5.0 16.9 L = +54.2 a = -0.8 b = -4.5 35.1 L = +53.7 a = -0.8 b = -6.0 43.8 L = +54.1 a = -0.8 b = -4.6 74.0 L = +48.5 a = +0.1 b = -9.6 93.2 L = +41.1 a = +4.1 b = -22.9 100.0 L = +41.1 a = +39.0 b = -23.0

*1 60 *2 n

10

93.2100

074

10 VCI

LabE

74

()

VCI

VCI

16