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SURFACE CHARACTERISTICS OF GENERAL PHYLLOSILICATE MINERALS

Xiancai Lu

Open publisher page 4 citations

Abstract

The surface area, pore structure and surface energy of some general clay minerals, including kaolinite, bentonite, vermiculite, sericite, annite, steatite, pyrophyllite, sepiolite, attapulgite and K_feldspar, were measured systematically with N_2 adsorption technique. The relationship between surface characteristics, micropore structure and minerals structure, chemical components as well as processing technologies and properties is discussed. The results show that the surface characteristics are determined by the minerals structure, and the rather large difference of the surface characteristics of minerals may caused by slight discrepancy of minerals composition. The results of measurements of minerals surface characteristics could offer more accurate data for the development of new applications of the clay minerals materials.

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What this paper is about

The surface area, pore structure and surface energy of some general clay minerals, including kaolinite, bentonite, vermiculite, sericite, annite, steatite, pyrophyllite, sepiolite, attapulgite and K_feldspar, were measured systematically with N_2 adsorption technique. The relationship between surface characteristics, micropore structure and minerals structure, chemical components as well as processing technologies and properties is discussed. The results show that the surface characteristics are determined by the minerals structure, and the rather large difference of the surface characteristics of minerals may caused by slight discrepancy of minerals composition. The results of measurements of minerals surface characteristics could offer more accurate data for the development of new applications of the clay minerals materials.

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Available abstract

The surface area, pore structure and surface energy of some general clay minerals, including kaolinite, bentonite, vermiculite, sericite, annite, steatite, pyrophyllite, sepiolite, attapulgite and K_feldspar, were measured systematically with N_2 adsorption technique. The relationship between surface characteristics, micropore structure and minerals structure, chemical components as well as processing technologies and properties is discussed. The results show that the surface characteristics are determined by the minerals structure, and the rather large difference of the surface characteristics of minerals may caused by slight discrepancy of minerals composition. The results of measurements of minerals surface characteristics could offer more accurate data for the development of new applications of the clay minerals materials.

Key concepts: Pyrophyllite, Clay minerals, Kaolinite, Sepiolite, Mineralogy, Sericite, Feldspar, Materials science

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