KS M ISO 16564-2007 Rubber raw natural-Determination of average molecular mass and molecular-mass distribution by size exclusion chromatography(SEC)《天然橡胶 由尺寸排除色谱法测定平均分子质量和分子质量分布》.pdf

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1、 KS M ISO 16564KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS (SEC) KS M ISO 16564 : 2007 2007 6 29 http:/www.kats.go.krKS M ISO 16564: 2007 : () ( ) () () () ( ) : (http:/www.standard.go.kr) : :2007 6 29 2007-0294 : : ( 02509-7298) (http:/www.kats.go.kr ). 7 5 , . KS M ISO 16564: 2007 i . ii 1 1 2 .1 3 .

2、1 4 2 4.1 .2 4.2 PTFE 2 4.3 .3 4.4 .3 4.5 (Vortex) .3 4.6 .3 5 3 5.1 3 5.2 SEC 3 5.3 3 5.4 .3 6 .4 7 5 8 5 9 .6 A ( ) SEC 7 A.1 .7 A.2 .7 A.3 .7 A.4 .7 8 KS M ISO 16564: 2007 ii 2004 1 ISO 16564, Rubber, raw natural Determination of average molecular mass and molecular mass distribution by size excl

3、usion chromatography(SEC) 2006 1 ISO 16564, Amendment 1(2006) . KS M ISO 16564 : 2007 (SEC) Rubber, raw naturalDetermination of average molecular mass and molecularmass distribution by size exclusion chromatography(SEC) . . . 1 . ( , ). . 2 . “ ”( ) . 1 . (Mn), (Mw) (Mw /Mn) . 3 3.1 HPLC (THF) . THF

4、 , (BHT) 0.5 % . BHT . , . 3.2 (PTFE) (4.2) . 3.3 , 6.5103 1.06107 Mw . 1 . KS M ISO 16564: 2007 2 1 No. MpMw /Mn1 3.55105 1.08 2 7.061051.12 3 2.891061.36 4 3.841061.30 5 4.481061.47 6 5.481061.40 7 6.771061.37 8 8.421061.33 4 4.1 4.1.1 4.1.7 4.1.1 (3.1 ). 3 L . . , (baseline) . 4.1.2 (phase) . 4.1

5、.3 . 35 1.0 cm3/min 4.1.4 4.1.5 SEC ( .) . 2103 1012 . . , . 4.1.6 ( ) . 4.1.7 . 4.2 PTFE 0.45 1 m . . KS M ISO 16564: 2007 4.3 100 mm3 200 mm3 ( .) 4.4 10 cm3 4.5 (Vortex) 4.6 1) ( ). 5 5.1 PTFE (4.2) 30 . 12 . 5.2 SEC 0.6 cm3/min . 10 . 30 45 . . 5.3 (4.1.7) 1 5 Hz . , 1 2 . 5.4 5.4.1 (5.1 ) 10 cm

6、3 20 cm3 ( ) 0.01 g . 5.4.2 1 (4.5) . 24 37 . . . 5.4.3 PTFE (4.3) . PTFE (4.2) “ ” .2)1) .2) “ ” 30 % , . .KS M ISO 16564: 2007 4 5.4.4 . 6 6.1 0.1 g/L (5.2 ) (3.3 ) . . . (peak width) . 6.2 100 mm3 . 3 . 6.3 . 1 . 6.4 . X , tR( ) Y log Mw 1 KS M ISO 16564: 2007 X , tR( ) Y 2 SEC 7 7.1 . (Mw) (Mn)

7、z (Mz) (Mw /Mn) (Mp) 7.2 , . 8 8.1 (ITP) ISO/TR 9272, Rubber and rubber products Determination of precision for test method standards 2007 6 7 . 1 Mw . . (NR) , 4 Mw . 8.2 ITP . 8.3 2 . . r R , (r) (R) . KS M ISO 16564: 2007 6 : , 2 . 2 ( ) r (r) , . . : , 2 . 2 ( ) R (R) , . . : , . . 2 Mw Mw srr (

8、r ) sRR (R ) NR 1 910 041 46 160 250 245 13 321 309 887 030 46 sr r ( ) (r) ( ) sR R ( ) (R) ( ) 9 . a) b) c) d) (7.1 ) e) Mn, Mw Mw /Mn f) “ ” g) KS M ISO 16564: 2007 A ( ) SEC A.1 THF . A.2 (HPLC ) 120 mg BHT/30 cm3 2,6 tert 4 (BHT) . 1 , 14 30 . A.3 SEC , , , , . . , SEC . 65 . 20 m . , . , 220 n

9、m UV . . 0.2 mg/cm3 . (branching) . A.4 .3) , 17 1 35 000 g “ ” . 0.2 mg/cm3 , 24 . 1 m . 3) Mark Houwink 2 .KS M ISO 16564: 2007 8 1 BONFILS, F.: GPC/SEC of natural rubber, Encyclopedia of chromatography, Ed. J. Cazes, Dekker, p. 541(2001) KS M ISO 16564: 2007 (SEC) 135513 7017 (02)60094114 (02)600948878 http:/ KS M ISO 16564: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Rubber, raw naturalDetermination of average molecular mass and molecular mass distribution by size exclusion chromatography(SEC) ICS 83.040.10 Korean Agency for Technology and Standards http:/www.kats.go.kr

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