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Synthesis and Performance of Core-shell Structure Acrylic Emulsion

Yang Zhi-gu

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Abstract

The title core-shell structure acrylic emulsion has been developed by use of pre-emulsification technology and semi-continuous seed emulsion polymerization. The influence of ratio of hard and soft monomers, initiator, emulsifier, and polymerization temperature on performance of emulsion is studied. It has shown that a good performance emulsion is obtained at the following conditions: ratio of hard and soft monomers 1∶1~ 1∶1.25, initiator 0.5%, emulsifier 3%～4% and temperature (80±1) ℃. The structure of the title emulsion is characterized by use of FT-IR, TEM and DSC, indicating existing of core-shell structure.

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What this paper is about

The title core-shell structure acrylic emulsion has been developed by use of pre-emulsification technology and semi-continuous seed emulsion polymerization. The influence of ratio of hard and soft monomers, initiator, emulsifier, and polymerization temperature on performance of emulsion is studied. It has shown that a good performance emulsion is obtained at the following conditions: ratio of hard and soft monomers 1∶1~ 1∶1.25, initiator 0.5%, emulsifier 3%～4% and temperature (80±1) ℃. The structure of the title emulsion is characterized by use of FT-IR, TEM and DSC, indicating existing of core-shell structure.

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Available abstract

The title core-shell structure acrylic emulsion has been developed by use of pre-emulsification technology and semi-continuous seed emulsion polymerization. The influence of ratio of hard and soft monomers, initiator, emulsifier, and polymerization temperature on performance of emulsion is studied. It has shown that a good performance emulsion is obtained at the following conditions: ratio of hard and soft monomers 1∶1~ 1∶1.25, initiator 0.5%, emulsifier 3%～4% and temperature (80±1) ℃. The structure of the title emulsion is characterized by use of FT-IR, TEM and DSC, indicating existing of core-shell structure.

Key concepts: Emulsion, Emulsion polymerization, Materials science, Monomer, Core (optical fiber), Shell (structure), Polymerization, Polymer chemistry

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