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Facile synthesis of elongated calcite superstructure by triblock copolymers with precisely designed block length
Su, Yunlan; Wang, Dexiu; Yang, Hengrui; Wang, Dujin
2009-06-15
Source PublicationCOLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
ISSN0927-7757
Volume342Issue:1-3Pages:122-126
AbstractCalcite crystals elongated along the c-axis and capped by (104) rhombohedral faces were grown in the solutions of two kinds of triblock copolymers poly (ethylene glycol)-block-poly (acrylic acid)-block-poly (n-butyl acrylate) (PEG-b-PAA-b-PnBA) with different PAA block length. The copolymer with 3:1 PEG:PAA block ratio facilitates the formation of spindle-shaped calcite elongated along the c-axis and with curved (100) or (110) prismatic faces. CaCO(3) obtained from the copolymer with 6:1 PEG:PAA block ratio exhibits stack-like calcite elongated along the c-axis and with no newly developed faces. The formation of elongated calcite could be due to the aggregation of nanoparticles via an oriented attachment mechanism. The calcite crystals recovered their rhombohedral {104} faces gradually with decreasing PAA block length from 3:1 to 6:1 PEG:PAA block ratio, which could be attributed to the weakening of the inhibition efficiency of the PAA block on the non-rhombohedral planes. (c) 2009 Elsevier B.V. All rights reserved.
KeywordElongated Calcite Triblock Copolymer Block Length Oriented Attachment
DOI10.1016/j.colsurfa.2009.04.027
Indexed BySCI
Language英语
WOS IDWOS:000267095500019
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67216
Collection中国科学院化学研究所
Corresponding AuthorWang, Dujin
AffiliationChinese Acad Sci, Inst Chem, Key Lab Engn Plast, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Su, Yunlan,Wang, Dexiu,Yang, Hengrui,et al. Facile synthesis of elongated calcite superstructure by triblock copolymers with precisely designed block length[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2009,342(1-3):122-126.
APA Su, Yunlan,Wang, Dexiu,Yang, Hengrui,&Wang, Dujin.(2009).Facile synthesis of elongated calcite superstructure by triblock copolymers with precisely designed block length.COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,342(1-3),122-126.
MLA Su, Yunlan,et al."Facile synthesis of elongated calcite superstructure by triblock copolymers with precisely designed block length".COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 342.1-3(2009):122-126.
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