Time evolution of moduli of a polymer-induced liquid precursor (PILP) of calcium carbonate

In situ AFM observations show that when PILP droplets contact a surface, their initial properties are either a liquid with a high interfacial tension (350 mJ m −2 ) or a soft gel-like material with a low modulus (less than 0.2 MPa). These findings suggest that PILP may initially be liquid-like to in...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2024-04, Vol.6 (29), p.395-3953
Main Authors: Shao, Changyu, Pan, Haihua, Tao, Jinhui, Cho, Kang Rae, Tang, Ruikang, Gower, Laurie B, De Yoreo, James J
Format: Article
Language:English
Subjects:
Calcium carbonate
Molding (process)
Prepolymers
Surface tension
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Summary:In situ AFM observations show that when PILP droplets contact a surface, their initial properties are either a liquid with a high interfacial tension (350 mJ m −2 ) or a soft gel-like material with a low modulus (less than 0.2 MPa). These findings suggest that PILP may initially be liquid-like to infiltrate collagen fibrils, enabling the production of interpenetrating composites, and/or become viscoelastic, to provide a means for moulding minerals. The PILP of CaCO 3 droplets shows that their initial properties are either a liquid or a soft gel-like material.
ISSN:1359-7345
1364-548X
DOI:10.1039/d4cc00449c