文章摘要
Relationship between Surface Free Energy of Carbon Black and Light Transmittance of Toluene Extract
Received:March 18, 2020  Revised:March 18, 2020
DOI：10.12136/j.issn.1000-890X.2020.09.0709
Key Words: carbon black；surface energy；dispersive component；toluene extract；light transmittance；n-alkanes；adsorption free energy；inverse gas chromatography
Author NameAffiliationE-mail
LU Ming* EVE Rubber Institute Co. ，Ltd lum@everi.com.cn 
ZHANG Hongxia EVE Rubber Institute Co. ，Ltd  
HE Fujin EVE Rubber Institute Co. ，Ltd  
LI Ming EVE Rubber Institute Co. ，Ltd  
ZHANG Chao EVE Rubber Institute Co. ，Ltd  
YI Liming EVE Rubber Institute Co. ，Ltd  
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Abstract:
      Surface energy of carbon black（CB） N134 with the same specific surface area and different light transmittance of toluene extract（LTTE） were measured by inverse gas chromatography to investigate the effects of LTTE on surface energy of CB.The results showed that：the dispersive component of surface energy of CB N134 was low when the LTTE was low，because the high energy site of CB crystal edge was occupied by oil and alkanes.When the LTTE was 77%，the dispersive component of surface energy of CB N134 was 233.6 mJ·m-2，which was about 24% lower than that of CB N234 with 92% LTTE.The dispersive component of surface energy of CB N134 increased linearly with LTTE when the LTTE was higher than 82%.The dispersive component of surface energy of CB N134 was 511.0 mJ·m-2 when LTTE was 99%.So，to improve product quality，the manufacturers of CB could improve purity of CB by controlling production process and raw material.
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