Epoxy Resin

Variable (prepolymer) · 340-4000+ g/mol (prepolymer)

Variable (prepolymer)

Thermosetting polymer for adhesives, coatings, and composites

Molecular Weight

340-4000+ g/mol (prepolymer)

State

Liquid

Catalyst

NaOH

Reactor

Batch reactor

Epoxy Resin molecular structure — 2D structure

Olefinverbund Integration

Inputs

Bisphenol A, Epichlorohydrin

→

Product

Epoxy Resin

→

Outputs

Adhesives, Composites

Chemistry & Engineering

Reaction	`Dehydrohalogenation`
Thermodynamics	Exothermic
Catalyst	NaOH
Reactor class	Batch reactor
Note	DGEBA is the standard resin. Cures with amines.

Applications

Structural adhesives
Protective coatings
Composite matrix (carbon fiber, fiberglass)
Electronics encapsulation

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

Reaction Diagram

BPA + Epichlorohydrin -> Epoxy resin + NaCl + H2O

Unit Operations

Process steps following chemical engineering unit operation principles

#	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

ISA-88 BatchML schema — simplified 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>

Process CellPhysical grouping of all production equipment

UnitMajor equipment performing the synthesis

Equipment ModulesIndividual devices: reactors, columns, absorbers

PhasesLowest control level: REACT, SEPARATE, PURIFY

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