Variable (prepolymer)
Thermosetting polymer for adhesives, coatings, and composites
Molecular Structure
Molecular Details
| Molecular Formula | Variable (prepolymer) |
| Molecular Weight | 340-4000+ g/mol (prepolymer) |
| State | Liquid or solid at standard conditions |
Olefinverbund Integration
⬅️ Inputs (Starting Materials): Bisphenol A, Epichlorohydrin
➡️ Outputs (Products): Adhesives, Composites
Chemistry & Engineering
| Reaction Equation | Dehydrohalogenation |
| Thermodynamics | Exothermic |
| Catalyst System | NaOH |
| Reactor Class | Batch reactor |
| Process Considerations | DGEBA is the standard resin. Cures with amines. |
Extraterrestrial Production Pattern
- BPA + epichlorohydrin reaction with NaOH catalyst
- Two-step process: addition then dehydrochlorination
- Molecular weight control by stoichiometry
- Curing with amines, anhydrides, or other hardeners
Applications
- Structural adhesives
- Protective coatings
- Composite matrix (carbon fiber, fiberglass)
- Electronics encapsulation
Reaction Diagram
Overall Reaction: BPA + Epichlorohydrin -> Epoxy resin + NaCl + H2O
Unit Operations
Process steps following chemical engineering unit operation principles:
| Step | Operation | Description |
|---|---|---|
| 1 | BPA/ECH Mixing | Mix bisphenol-A with epichlorohydrin |
| 2 | Condensation | NaOH catalyzed reaction at 50-80°C |
| 3 | Salt Removal | Wash to remove NaCl byproduct |
| 4 | Solvent Recovery | Strip excess epichlorohydrin |
| 5 | Finishing | Adjust molecular weight and EEW |
| 6 | Packaging | Package in drums or bulk |
S88 Batch Control Model
This module follows the ISA-88 (S88) batch control standard. Below is a simplified BatchML schema for educational purposes:
<?xml version="1.0" encoding="UTF-8"?>
<!-- ISA-88 Batch Control Model for Epoxy Resin -->
<!-- Educational schema - simplified for demonstration -->
<BatchML xmlns="http://www.wbf.org/xml/B2MML-V0600">
<ProcessCell ID="EPOXY_RESIN_PLANT_CELL">
<Description>Process cell for Epoxy Resin production</Description>
<Unit ID="EPOXY_RESIN_PLANT">
<Description>Main synthesis unit</Description>
<!-- Equipment Modules -->
<EquipmentModule ID="MIXER">
<Description>Mixer</Description>
</EquipmentModule>
<EquipmentModule ID="REACTOR">
<Description>Reactor</Description>
</EquipmentModule>
<EquipmentModule ID="WASH_VESSEL">
<Description>Wash Vessel</Description>
</EquipmentModule>
<EquipmentModule ID="STRIPPER">
<Description>Stripper</Description>
</EquipmentModule>
<EquipmentModule ID="FINISHING_VESSEL">
<Description>Finishing Vessel</Description>
</EquipmentModule>
<EquipmentModule ID="PACKAGER">
<Description>Packager</Description>
</EquipmentModule>
</Unit>
</ProcessCell>
<MasterRecipe ID="EPOXY_RESIN_PLANT_RECIPE">
<Description>Master recipe for Epoxy Resin</Description>
<ProductID>EPOXY_RESIN</ProductID>
<UnitProcedure ID="EPOXY_RESIN_PLANT_UP">
<Description>Unit procedure for synthesis</Description>
<Operation ID="OP_01">
<Description>Operation 1</Description>
<Phase ID="MIX">
<Description>Mix phase</Description>
<PhaseLogic>
<Step ID="STEP_1"><Action>Initialize</Action></Step>
<Step ID="STEP_2"><Action>Execute</Action></Step>
<Step ID="STEP_3"><Action>Complete</Action></Step>
</PhaseLogic>
</Phase>
</Operation>
<Operation ID="OP_02">
<Description>Operation 2</Description>
<Phase ID="CONDENSE">
<Description>Condense phase</Description>
<PhaseLogic>
<Step ID="STEP_1"><Action>Initialize</Action></Step>
<Step ID="STEP_2"><Action>Execute</Action></Step>
<Step ID="STEP_3"><Action>Complete</Action></Step>
</PhaseLogic>
</Phase>
</Operation>
<Operation ID="OP_03">
<Description>Operation 3</Description>
<Phase ID="WASH">
<Description>Wash phase</Description>
<PhaseLogic>
<Step ID="STEP_1"><Action>Initialize</Action></Step>
<Step ID="STEP_2"><Action>Execute</Action></Step>
<Step ID="STEP_3"><Action>Complete</Action></Step>
</PhaseLogic>
</Phase>
</Operation>
<Operation ID="OP_04">
<Description>Operation 4</Description>
<Phase ID="STRIP">
<Description>Strip phase</Description>
<PhaseLogic>
<Step ID="STEP_1"><Action>Initialize</Action></Step>
<Step ID="STEP_2"><Action>Execute</Action></Step>
<Step ID="STEP_3"><Action>Complete</Action></Step>
</PhaseLogic>
</Phase>
</Operation>
<Operation ID="OP_05">
<Description>Operation 5</Description>
<Phase ID="FINISH">
<Description>Finish phase</Description>
<PhaseLogic>
<Step ID="STEP_1"><Action>Initialize</Action></Step>
<Step ID="STEP_2"><Action>Execute</Action></Step>
<Step ID="STEP_3"><Action>Complete</Action></Step>
</PhaseLogic>
</Phase>
</Operation>
<Operation ID="OP_06">
<Description>Operation 6</Description>
<Phase ID="PACKAGE">
<Description>Package phase</Description>
<PhaseLogic>
<Step ID="STEP_1"><Action>Initialize</Action></Step>
<Step ID="STEP_2"><Action>Execute</Action></Step>
<Step ID="STEP_3"><Action>Complete</Action></Step>
</PhaseLogic>
</Phase>
</Operation>
</UnitProcedure>
</MasterRecipe>
</BatchML>
**Key S88 Concepts:**
- **Process Cell**: The physical grouping containing all equipment for this process
- **Unit**: The major equipment that performs the synthesis
- **Equipment Modules**: Individual pieces of equipment (reactors, columns, etc.)
- **Unit Procedure**: The sequence of operations to produce the product
- **Phases**: The lowest level of procedural control (e.g., REACT, SEPARATE, PURIFY)
Key S88 Concepts:
• Process Cell: Physical grouping containing all equipment
• Unit: Major equipment performing synthesis
• Equipment Modules: Individual pieces (reactors, columns, etc.)
• Phases: Lowest level of procedural control (REACT, SEPARATE, etc.)
This Synthesis Module is part of the 100chemicals Olefinverbund — an integrated chemical production network designed for extraterrestrial civilization on Moon and Mars.