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Advances in microencapsulant preparation by supercritical fluid technology

Ping Guan

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Abstract

The principle and the methods of supercritical fluid technology to prepare microencapsulants are introduced in this paper,with the emphasis on the development of microencapsulation technique.The characteristics of rapid expansion of supercritical solution(RESS),supercritical anti-solvent precipitation(SAS) and particles from gas-saturated solutions(PGSS) are analyzed.And the application research status and problems are presented.

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What this paper is about

The principle and the methods of supercritical fluid technology to prepare microencapsulants are introduced in this paper,with the emphasis on the development of microencapsulation technique.The characteristics of rapid expansion of supercritical solution(RESS),supercritical anti-solvent precipitation(SAS) and particles from gas-saturated solutions(PGSS) are analyzed.And the application research status and problems are presented.

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Available abstract

The principle and the methods of supercritical fluid technology to prepare microencapsulants are introduced in this paper,with the emphasis on the development of microencapsulation technique.The characteristics of rapid expansion of supercritical solution(RESS),supercritical anti-solvent precipitation(SAS) and particles from gas-saturated solutions(PGSS) are analyzed.And the application research status and problems are presented.

Key concepts: Supercritical fluid, Supercritical fluid extraction, Solvent, Supercritical fluid chromatography, Process engineering, Precipitation, Chemistry, Materials science

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