KS C IEC 60450-2008 Measurement of the average viscometric degree of polymerization of new and aged cellulosic electrically insulation materials《新的和老化的电工绝缘纸平均粘滞聚合度的测量》.pdf

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KS C IEC 60450-2008 Measurement of the average viscometric degree of polymerization of new and aged cellulosic electrically insulation materials《新的和老化的电工绝缘纸平均粘滞聚合度的测量》.pdf_第1页
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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 60450 KS C IEC 60450:2008 2008 11 20 http:/www.kats.go.krKS C IEC 60450:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2002 6 15 :2008 11 20 2008-00000776 : : ( 02-5097262) (http:/www.kats.go.kr). 10 5 , . 0776 KS C IEC 60450:2008 i ii .1 1 1 2

2、1 3 .1 4 3 5 .4 6 5 6.1 5 7 5 7.1 5 7.2 5 8 .10 A( ) Cuen 12 B( ) Cuen .13 C( ) Cuen CuEncc 15 D( ) vs v c 16 KS C IEC 60450:2008 17 KS C IEC 60450:2008 ii . , , . , , . KS C IEC 60450:2008 Measurement of the average viscometric degree of polymerization of new and aged cellulosic electrically insula

3、tion materials 2007 2.1 IEC 60450, Measurement of the average viscometric degree of polymerization of new and aged cellulosic electrically insulating materials . 1 ( VDP ) . , . , . . . 2 . . ( ) . KS M ISO 287, KS M ISO 3105, IEC 60814, Insulating liquids Oil-impregnated paper and pressboard Determ

4、ination of water by automatic coulometric Karl Fischer titration 3 . 3.1 KS C IEC 60450:2008 2 3.1.1 (degree of polymerization of a cellulose molecule) - C6H10O5 1 . 1 3.1.2 Cuen bis(ethylenddiamine)copper(II) hydroxide 1 mol/L Cu(H2NCH2CH2NH2)2(OH)2 CAS 14552-35-3 bis(ethylenddiamine)copper(II) hyd

5、roxide CED . 3.1.3 (paper) , , “ ” . 3.2 1 . n-2 KS C IEC 60450:2008 3 1 (Mark Houwink) cCuCuen cEnCuen C0, C1 C2 0, 1, 2 c VDP v v0 K / k (Martin) mD mT mH2O H2O vH2O vCu Cuen v vs t1A, t1B 1 A B t2A, t2B 2 A B t0A, t0B A B t0 Cuen (50 % Cuen 50 % ) tSCuen 4 Cuen vs . v , . . (“ ” ). . vs . vs (1)

6、v . v cvcs0lim (2) KS C IEC 60450:2008 4 c . VDP ( ) v . v KvDP (3) K - ( /Cuen) . v vs c . vs v c 10kv c (4) k . k 0.14 . 5 1 Cuen A B . , / . , 20 0.1 K , . 0.05 K . 2 . KS M ISO 3105 0.005 0.01 . Cuen Cuen . / 0.1 . “ ” . ( 25 mL 50 mL) /Cuen ( ) . . Cuen . Cuen( A ) ( 99.9 % ) 99.0 % 99.0 % KS C

7、 IEC 60450:2008 5 20 % 105 2 K 0.1 mg 20 g (soxhlet extractor) 0.1 mL /Cuen /Cuen . 6 6.1 . . 1 mm 1 mm . . , . 6.1.1 . 5 3 g . . . . VDP , . 6.1.2 3 g . . VDP , . 7 7.1 KS M ISO 287 IEC 60814 . Cuen/ . 7.2 7.2.1 KS C IEC 60450:2008 6 . , . v c 0.5 1.5 . 7.2.2 VDP . 2 VDP VDP g/dl % 1 000 2 000 0.05

8、 0.15 650 1 000 0.08 0.25 350 650 0.15 0.45 350 0.25 0.80 0.5v c1.5 . v c . 7.2.3 Cuen . . 7.2.3.1 . . . . 2 0.1 mg , . mD . . 7.2.3.2 0.1 mg . / . 30 18 000 r/min . 3 . , 0.1 mg (mT). (mD) mT ( , ). 10.000 g . 0.5 mg , . . KS C IEC 60450:2008 7 10.000 g 0.5 mg . 7.2.4 Cuen , , . . C CuEncc 2.00.1 .

9、 . Cuen ( 0.1 mL) . , . . . 1 , . . . 2 . a) ( VDP 350) , 1 2 . b) ( VDP 350) , 16 ( ) . c) . 4 . . ( VDP 150) . 7.2.5 7.2.5.1 20 0.1 K . . . 2 . . . 5 10 . KS C IEC 60450:2008 8 7.2.5.2 ( 2 ). KS M ISO 3105 . (1) , (10), (6), (5), (4) (2) . . . (5) M1 M2 (t1A, ) 0.5 . , t1B . . 1 % . (C1, t1A, t1B)

10、 . 7.2.5.3 . , . 1 % , . 2 % , C2, t2A, t2B . . 7.2.5.3 . a) Cuen/ . b) . c) , 30 20 %( ) , , 20 %( ) . d) . e) . f) . KS C IEC 60450:2008 9 7.2.5.4 , 50 % Cuen, 50 % / . (C0, t0A, t0B) . 1 2 3 4 5 6 7 8 9 10 M1 M2 MF 2 7.2.6 . , cCuH2ODvvmg/dl (5) , cCuH2OH2ODTDvmmmmg/dl (6) t1A t1B t . t0A t0B t0

11、. v v0 . v C1 t mm2/s v0 C0 t0mm2/s (7) KS C IEC 60450:2008 10 t t0 C0 C1 . (1) vs . vs00vvv (8) , Cuen/ ts Cuen t0 . vs00sttt (9) . vs v c 10k v c (10) k 0.14 . 1 v c 0.000 1 . , v c vs D . vs v . VDP v . v KvDP (11) K , 1 K 0.007 5 . VDP . VDP . 2 , VDP . VDP . 8 . a) 1) : ( ) , 2) : , b) 7.1 ( .)

12、 c) Cuen : , CuEnccd) e) KS C IEC 60450:2008 11 f) VDP VDP g) VDP h) i) 7.2.5.2 KS C IEC 60450:2008 12 A ( ) Cuen Cuen : 1.0 mol/L . , 6 . B 1.0 mol/L . KS C IEC 60450:2008 13 B ( ) Cuen B.1 1) (CuSO4, 5H2O): 2) , 20 0.925 g/cm3(NH3) 3) 8 % (NaOH) 4) : 1 7 g BaCl2, 2H2O . 5) (CH3COCH3) 6) (Na2SO4) 7

13、) 1 mol/L (HCl) 8) 10 % (KI) 9) (Na2S2O3) 0.05 mol/L 10) : 0.2 % 11) ( 70 %)(NH2CH2CH2NH2) 12) 0.5 mol/L (H2SO4) 13) B.2 1 L (1) 200 g 40 50 . (2) . ( 100 mL ). . (3) 640 mL . . 20 . 1 10 . 10 . . (4) BaSO4 . 1 000 mL (5) . (6) . (Buchner) , 100 mL (5) . . . 2 Cu(OH)2 . , , , . B.3 KS C IEC 60450:2008 14 200 mL , (7) 1 mol/L 50 mL 2 g . . 25 mL , 10 % (8) 25 mL . (10) (9) ( 1 mL 2 mL ). 100 g . (0.02) (63.5) n (B.1) n 0.05 mol/L . B.4 NH2CH2CH2NH2 70 % (11) . Cuen . , . . B.5 (25.00.1) mL , 250 mL . (20.00.1) mL

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