ICCAS OpenIR
Assessment of efficacy of trivalent lanthanum complex as surface modifier of calcium carbonate
Feng, JC; Chen, MC; Huang, ZT
2001-11-07
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume82Issue:6Pages:1339-1345
AbstractA complex of trivalent lanthanum stearate with stearin (REC) was used as a surface modifier to treat calcium carbonate, and its efficacy was assessed. The measurement of the viscosity of a CaCO3/liquid paraffin suspension demonstrated that REC treatment could considerably improve the dispersion of filler in nonpolar media. The FTIR spectrum analysis revealed that the REC bonded to the CaCO3 surface not only by physical absorption but also by a chemical reaction. The REC could change the surface properties of CaCO3, resulting in greater hydrophobicity of the surface and enhanced compatibility with nonpolar matrices. The mechanical properties and melt flow rate (MFR) examination of polypropylene (PP)/CaCO3 composites showed that REC treatment remarkably enhanced the toughness and MFR of composites at higher filler loading. The fractured surface observation with SEM showed improved filler dispersion and enhanced interfacial adhesion between the filler and matrix in PP composites filled with REC-treated CaCO3. All these improvements demonstrated that REC is an effective surface modifier of CaCO3. (C) 2001 John Wiley & Sons, Inc.
KeywordLanthanum Stearate With Stearin Complex Calcium Carbonate Surface Modifier
Indexed BySCI
Language英语
WOS IDWOS:000170884100005
PublisherJOHN WILEY & SONS INC
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/76950
Collection中国科学院化学研究所
Corresponding AuthorChen, MC
Affiliation1.Acad Sinica, Guangzhou Inst Chem, Guangzhou 510650, Peoples R China
2.Acad Sinica, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Feng, JC,Chen, MC,Huang, ZT. Assessment of efficacy of trivalent lanthanum complex as surface modifier of calcium carbonate[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2001,82(6):1339-1345.
APA Feng, JC,Chen, MC,&Huang, ZT.(2001).Assessment of efficacy of trivalent lanthanum complex as surface modifier of calcium carbonate.JOURNAL OF APPLIED POLYMER SCIENCE,82(6),1339-1345.
MLA Feng, JC,et al."Assessment of efficacy of trivalent lanthanum complex as surface modifier of calcium carbonate".JOURNAL OF APPLIED POLYMER SCIENCE 82.6(2001):1339-1345.
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