Polymer & High-Purity Chemical Processes

Innovating chemical processes for a sustainable future

Industrial technologies for lactide/glycolide monomers, PLA/PGA polymerization, aromatics purification, and energy-efficient refining.

2023 — Lactide process commissioned 2024 — PLA continuous polymerization commissioned 2024 — MPDA purification commissioned 2025 — Cyclohexylamine / Dicyclohexylamine separation commissioned 2025 — Acrylic acid purification (dual-reboiler, 50% energy savings)
Lactide process m-Phenylenediamine purification Advanced polymerization Acrylic acid purification Polymer devolatilization Glycolide process

Featured Technologies

Lactide process system
Monomers

Lactide Process

L-lactide ≥ 99.5%; residual acidity < 2 meq/kg; PLA Mw > 200k.

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m-Phenylenediamine plant equipment
Aromatics

m-Phenylenediamine Purification

DWC-based separation consistently achieving ≥ 99.98 wt.% purity; commercial scale (2024).

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Advanced polymerization reactors
Polymers

Advanced Polymerization

PLA/PGA/PCL polymerization with efficient devolatilization; low residuals and high throughput.

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Acrylic Acid purification column
Specialty Chemicals

Acrylic Acid Purification

Dual-reboiler refining column; >50% energy savings demonstrated at commercial scale.

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Polymer Devolatilization equipment
Polymers

Polymer Devolatilization

Horizontal perforated static-mixing reactor in a vertical vessel; excellent disengagement and thermal stability.

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Glycolide process
Monomers

Glycolide Process

Continuous production of ultrapure glycolide via pre-polymerization, reactive-distillation depolymerization, and melt-crystallization polish.

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Founded in 2018, Polywin Pte. Ltd. is a Singapore-based technology company focused on high-efficiency purification and polymerization. We deliver end-to-end solutions — from simulation and basic engineering to pilot, commissioning, and commercial startup — with IP protection and full tech-transfer documentation.

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