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Comparative Study of Continuous-Flow Reactors for Emulsion Polymerization.

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Title: Comparative Study of Continuous-Flow Reactors for Emulsion Polymerization.
Authors: Chin, Kai-Yen1 (AUTHOR), Shiue, Angus1,2 (AUTHOR), Lai, Pei-Yu1 (AUTHOR), Chu, Chien-Chen1,2 (AUTHOR), Chang, Shu-Mei1 (AUTHOR) f10914@mail.ntut.edu.tw, Leggett, Graham2 (AUTHOR)
Source: Polymers (20734360). Sep2025, Vol. 17 Issue 17, p2289. 15p.
Subjects: Continuous flow reactors, Emulsion polymerization, Copolymers, Heat transfer, Mass transfer, Fouling, Molarity, Nanotechnology
Abstract: Polymer fouling in batch and tubular reactors creates safety hazards from heat buildup and blockages. The continuous Corning Advanced-Flow™ Reactor (AFR) offers enhanced mass and heat transfer, improving safety and efficiency. This study evaluated three reactor systems—a monolithic AFR, an AFR with an external pipe, and a conventional tubular reactor—for the mini-emulsion polymerization of styrene and subsequent styrene–acrylic acid copolymerization. The AFR operability under varying monomer concentrations was assessed and investigated, with the residence time's effects on conversion. For styrene polymerization at 20–35 wt% monomer, the highest conversions achieved were 88.0% in the AFR, 85.8% in the tubular reactor, and 98.9% in the AFR with pipe. Uniform particles were obtained at ≤30 wt%, whereas at 35 wt%, the monolithic AFR experienced clogging and loss of particle uniformity. Similarly, in styrene–acrylic acid copolymerization (15–17.5 wt% monomer), the maximum conversions reached 80.1% in the AFR and 95.4% in the AFR with pipe, while the monolithic AFR again experienced blockage at 17.5 wt%. In conclusion, integrating an external pipe with the AFR, coupled with higher flow rates, significantly improved initiator diffusion, enhanced monomer conversion, and mitigated blockage. This approach enabled the efficient, continuous production of nanoscale, uniformly sized polystyrene and styrene–acrylic acid copolymers even at high monomer concentrations. [ABSTRACT FROM AUTHOR]
Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Comparative Study of Continuous-Flow Reactors for Emulsion Polymerization.
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  Data: <searchLink fieldCode="AR" term="%22Chin%2C+Kai-Yen%22">Chin, Kai-Yen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shiue%2C+Angus%22">Shiue, Angus</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lai%2C+Pei-Yu%22">Lai, Pei-Yu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chu%2C+Chien-Chen%22">Chu, Chien-Chen</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chang%2C+Shu-Mei%22">Chang, Shu-Mei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> f10914@mail.ntut.edu.tw</i><br /><searchLink fieldCode="AR" term="%22Leggett%2C+Graham%22">Leggett, Graham</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Polymers+%2820734360%29%22">Polymers (20734360)</searchLink>. Sep2025, Vol. 17 Issue 17, p2289. 15p.
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  Data: <searchLink fieldCode="DE" term="%22Continuous+flow+reactors%22">Continuous flow reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Emulsion+polymerization%22">Emulsion polymerization</searchLink><br /><searchLink fieldCode="DE" term="%22Copolymers%22">Copolymers</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+transfer%22">Heat transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Mass+transfer%22">Mass transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Fouling%22">Fouling</searchLink><br /><searchLink fieldCode="DE" term="%22Molarity%22">Molarity</searchLink><br /><searchLink fieldCode="DE" term="%22Nanotechnology%22">Nanotechnology</searchLink>
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  Label: Abstract
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  Data: Polymer fouling in batch and tubular reactors creates safety hazards from heat buildup and blockages. The continuous Corning Advanced-Flow™ Reactor (AFR) offers enhanced mass and heat transfer, improving safety and efficiency. This study evaluated three reactor systems—a monolithic AFR, an AFR with an external pipe, and a conventional tubular reactor—for the mini-emulsion polymerization of styrene and subsequent styrene–acrylic acid copolymerization. The AFR operability under varying monomer concentrations was assessed and investigated, with the residence time's effects on conversion. For styrene polymerization at 20–35 wt% monomer, the highest conversions achieved were 88.0% in the AFR, 85.8% in the tubular reactor, and 98.9% in the AFR with pipe. Uniform particles were obtained at ≤30 wt%, whereas at 35 wt%, the monolithic AFR experienced clogging and loss of particle uniformity. Similarly, in styrene–acrylic acid copolymerization (15–17.5 wt% monomer), the maximum conversions reached 80.1% in the AFR and 95.4% in the AFR with pipe, while the monolithic AFR again experienced blockage at 17.5 wt%. In conclusion, integrating an external pipe with the AFR, coupled with higher flow rates, significantly improved initiator diffusion, enhanced monomer conversion, and mitigated blockage. This approach enabled the efficient, continuous production of nanoscale, uniformly sized polystyrene and styrene–acrylic acid copolymers even at high monomer concentrations. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.3390/polym17172289
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 15
        StartPage: 2289
    Subjects:
      – SubjectFull: Continuous flow reactors
        Type: general
      – SubjectFull: Emulsion polymerization
        Type: general
      – SubjectFull: Copolymers
        Type: general
      – SubjectFull: Heat transfer
        Type: general
      – SubjectFull: Mass transfer
        Type: general
      – SubjectFull: Fouling
        Type: general
      – SubjectFull: Molarity
        Type: general
      – SubjectFull: Nanotechnology
        Type: general
    Titles:
      – TitleFull: Comparative Study of Continuous-Flow Reactors for Emulsion Polymerization.
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            NameFull: Chin, Kai-Yen
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            NameFull: Shiue, Angus
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            NameFull: Lai, Pei-Yu
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            NameFull: Chu, Chien-Chen
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            NameFull: Chang, Shu-Mei
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            – D: 01
              M: 09
              Text: Sep2025
              Type: published
              Y: 2025
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