The preparation of core‐shell CaCO 3  particles and its effect on mechanical property of PVC composites | Zendy

Xiong Ying | Zendy; Chen Guangshun | Zendy; Guo Shaoyun | Zendy

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The preparation of core‐shell CaCO 3 particles and its effect on mechanical property of PVC composites

Author(s) -

Xiong Ying,

Chen Guangshun,

Guo Shaoyun

Publication year - 2006

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.24262

Subject(s) - materials science , composite material , elastomer , calcium carbonate , dissolution , particle (ecology) , shell (structure) , core (optical fiber) , nano , x ray photoelectron spectroscopy , nanoparticle , chemical engineering , nanotechnology , oceanography , engineering , geology

In this study, a novel mechanochemical route to prepare core‐shell structured particles was introduced. XPS, TEM, and dissolving experimental results indicate the formation of [(inorganic particle)/(elastomer)] core‐shell structured particles, and several kinds of calcium carbonate (nano‐CaCO 3 ) particles with various interfaces were obtained. The mechanical properties and morphological results indicate that the surface treatment of nano‐CaCO 3 particles and the existence of outer elastic layer will strengthen the interfacial interaction between nano‐CaCO 3 particles and PVC matrix, which results in improvement of mechanical properties of PVC/CaCO 3 composites. The theoretical calculations of the interfacial interaction and DMA results confirm these especially when the surface of nano‐CaCO 3 particles was treated by MMA and coated in succession by ACR through vibro‐milling. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 1084–1091, 2006

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