Bamboo and Rattan/Bamboo/Course-2 Unit-3

Protection with Chemical Preservatives

3.1 Preserving Chemicals/Formulations

• 3.1.1 Oil type
• 3.1.2 Organic solvent type
• 3.1.3. Water borne
  • 3.1.3.1 Leachable type
  • 3.1.3.2 Fixed type

3.2 Treatment Methods

• 3.2.1 Non-pressure Treatment Methods
• G3.2.1 Green Bamboo
  • G3.2.1.1 Sap-displacement Methods
  • 3.2.1.1.1 Transpiration
  • 3.2.1.1.2 Butt-end Treatment
  • 3.2.1.1.3 Boucherie Process
  • G3.2.1.2 Diffusion Processes
  • 3.2.1.2.1 Dip Diffusion
  • 3.2.1.2.2 Momentary Dip-diffusion
  • 3.2.1.2.3 Osmo Diffusion
  • 3.2.1.2.4 Double Diffusion
  • 3.2.1.2.5 Steam Quenching
• D3.2.1 Dry Bamboo
• D3.2.1.1 Steeping
• D3.2.1.2 Soaking
• D3.2.1.3 Brushing
• D3.2.1.4 Hot & Cold

• 3.2.2 Pressure Processes
  • 3.2.2.1 Full Cell Process
  • 3.2.2.2 Empty Cell Process
  • 3.2.2.2 Alternate Pressure Process (APM)
  • 3.2.2.4 Fast Fluctuating Pressure Process (FFPP)
• 3.2.3 Fire Retardant Treatments
• 3.3.4 Vapor Phase Treatments
• 3.3.5 Dimensional Stabilizing Treatments
• 3.3.5 Bleaching of Bamboo

3.3 Quality Control and Remedial Treatments

• 3.3.1 Checking Penetration of Different Chemicals
• 3.3.2 Checking Preservative Loading
• 3.3.3 Remedial Treatment for Deficient Treated Material

3.4 Health and Safety

• 3.4.1 Handling Chemical Preservatives
• 3.4.2 Handling Freshly Treated Material
• 3.4.3 Disposal of Preservative Sludge and Treated Bamboo Off-cuts.