Polycarboxylate.ppsx
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polycarboxylate-concrete technology
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Polycarboxylate.ppsx
- 2. History of PCE PCE Production Structure Mechanism Weakness Capabilities Outlook Capabilities of PCE
- 3. Cement Paste Rheology Capabilities of PCE
- 4. Cement Paste Rheology Capabilities of PCE Cement Paste = Cement +Water
- 5. Cement Paste Rheology Capabilities of PCE Morphology Chemical Composition Surface Charge density Cement grains
- 6. Cement Paste Rheology Capabilities of PCE Morphology • Shape • Size & Size Distribution (1-100μ) • Texture Chemical Composition Surface Charge density
- 7. Cement Paste Rheology Capabilities of PCE Morphology Chemical Composition Surface Charge density Lux-Flood Base CaO Lux-Flood Acids SiO2 Al2O3 Fe2O3
- 8. Cement Paste Rheology Capabilities of PCE Morphology Chemical Composition Surface Charge density C3S (Alite) C2S (Belite) C3A (Celite) C4AF (Felite) Gypsum
- 9. Cement Paste Rheology Capabilities of PCE Morphology Chemical Composition Surface Charge density
- 10. Zeta Potential
- 11. Capabilities of PCE Cement Paste Rheology
- 12. Cement Paste Capabilities of PCE Cement Paste Rheology
- 14. Cement Dispersion Capabilities of PCE Cement Paste Rheology
- 16. 𝝉 = 𝝉° + 𝜼𝒑𝜸 Capabilities of PCE Cement Paste Rheology
- 17. 𝝉° ∝ 𝝓𝟐 𝝓 − 𝝓𝒑𝒆𝒓𝒄 𝝓𝒎 𝝓𝒎 − 𝝓 • Shear Stress 𝝉 • Yield Stress 𝝉° • Plastic Viscosity 𝜼𝒑 • Shear Rate 𝜸 𝝉 = 𝝉° + 𝜼𝒑𝜸 Capabilities of PCE Cement Paste Rheology
- 18. 𝝉° ∝ 𝝓𝟐 𝝓 − 𝝓𝒑𝒆𝒓𝒄 𝝓𝒎 𝝓𝒎 − 𝝓 Capabilities of PCE Cement Paste Rheology
- 19. 𝝓 = 𝑺𝒐𝒍𝒊𝒅 𝑽𝒐𝒍𝒖𝒎𝒆 𝑭𝒓𝒂𝒄𝒕𝒊𝒐𝒏 𝝓𝒎 = 𝑴𝒂𝒙𝒊𝒎𝒖𝒎 𝑺𝒐𝒍𝒊𝒅 𝑽𝒐𝒍𝒖𝒎𝒆 𝑭𝒓𝒂𝒄𝒕𝒊𝒐𝒏 𝝓𝒑𝒆𝒓𝒄 = 𝑺𝒐𝒍𝒊𝒅 𝑽𝒐𝒍𝒖𝒎𝒆 𝑭𝒓𝒂𝒄𝒕𝒊𝒐𝒏 at Percolation Threshold 𝝉° ∝ 𝝓𝟐 𝝓 − 𝝓𝒑𝒆𝒓𝒄 𝝓𝒎 𝝓𝒎 − 𝝓 Capabilities of PCE Cement Paste Rheology
- 20. Capabilities of PCE Cement Paste Rheology 𝝓𝒑𝒆𝒓𝒄𝒐𝒍𝒂𝒕𝒊𝒐𝒏
- 21. Capabilities of PCE Water Reducers
- 22. Capabilities of PCE Water Reducers
- 23. Capabilities of PCE Water Reducers
- 24. Water Reducers
- 25. Water Reducers
- 26. Sodium Gluconate (SG) Lignosulfonates (LS) Poly Naphthalene Sulfonate (PNS) Poly Melamine Sulfonate (PMS) Poly Carboxylate Ethers (PCE) Capabilities of PCE Water Reducers
- 27. Sodium Gluconate (SG) Lignosulfonates (LS) Poly Naphthalene Sulfonate (PNS) Poly Melamine Sulfonate (PMS) Poly Carboxylate Ethers (PCE) Capabilities of PCE Water Reducers
- 28. Sodium Gluconate (SG) Lignosulfonates (LS) Poly Naphthalene Sulfonate (PNS) Poly Melamine Sulfonate (PMS) Poly Carboxylate Ethers (PCE) Capabilities of PCE Water Reducers
- 29. Sodium Gluconate (SG) Lignosulfonates (LS) Poly Naphthalene Sulfonate (PNS) Poly Melamine Sulfonate (PMS) Poly Carboxylate Ethers (PCE) Capabilities of PCE Water Reducers
- 30. Sodium Gluconate (SG) Lignosulfonates (LS) Poly Naphthalene Sulfonate (PNS) Poly Melamine Sulfonate (PMS) Poly Carboxylate Ethers (PCE) Capabilities of PCE Water Reducers
- 31. Sodium Gluconate (SG) Lignosulfonates (LS) Poly Naphthalene Sulfonate (PNS) Poly Melamine Sulfonate (PMS) Poly Carboxylate Ethers (PCE) Capabilities of PCE Water Reducers
- 32. Capabilities of PCE Water Reducers
- 33. History of PCE Structure Mechanism Production Features Outlook Polycarboxylate Ether Capabilities of PCE
- 34. History of PCE Capabilities of PCE
- 35. • Concrete Pump (1965) • First PCE invention (1981) • Nippon Shokubai • Tsuyoshi Hirata History of PCE Capabilities of PCE
- 36. T. Hirata, Cement dispersants, JP patent, 842022 (S59–018338), 1981 History of PCE Capabilities of PCE
- 37. More effective in low w/c Lower Consumption Lower Consumption of Air Entrainment Agents Possibility of Infinite molecular design for various goals Advantages History of PCE Capabilities of PCE
- 38. More effective in low w/c History of PCE Capabilities of PCE
- 39. SCC HPC UHPC HSC UHSC UHPFRC Low Clinker Cements Breakthrough History of PCE Capabilities of PCE
- 40. Global Market Size: • 20-25 Million tons/y • 12.2 B$ (2020) • 18 B$ (2026) Market Size History of PCE Capabilities of PCE
- 53. Completely Coverage Strong Anchorage Adsorbed Layer Thickness Good Solvent Condition Dispersion Conditions Mechanism Capabilities of PCE
- 54. Completely Coverage Strong Anchorage Adsorbed Layer Thickness Good Solvent Condition Mechanism Capabilities of PCE
- 55. Completely Coverage Strong Anchorage Adsorbed Layer Thickness Good Solvent Condition Mechanism Capabilities of PCE High Charge density = Stronger Anchorage
- 56. Completely Coverage Strong Anchorage Adsorbed Layer Thickness Good Solvent Condition Mechanism Capabilities of PCE Side Chain Density Side Chain Length Monomer Sequence
- 57. Completely Coverage Strong Anchorage Adsorbed Layer Thickness Good Solvent Condition Mechanism Capabilities of PCE 𝜒 < 0.5 𝜒, 𝐹𝑙𝑜𝑟𝑦 𝐻𝑢𝑔𝑔𝑖𝑛𝑠
- 61. Types of macromonomers Types of micro monomers Compositions Types of initiators •Types of Chain transfer agents •Change in process Production Capabilities of PCE
- 62. MPEG-MA APEG TPEG HPEG VPEG •EPEG •GPEG Types of Macromonomers Types of Micro monomers Compositions Types of Initiators •Types of Chain Transfer Agents •Change in Process Production Capabilities of PCE
- 63. Acrylic Acid Methacrylic Acid Fumaric Acid Maleic Anhydride •Itaconic Acid •Butyl Acrylate •And …. Types of Macromonomers Types of Micro monomers Compositions Types of Initiators •Types of Chain Transfer Agents •Change in Process Production Capabilities of PCE
- 64. Variable Molecular Weight Variable Charge Density Variable Side Chain Length Variable Main Chain Length Variable Comonomers Types of macromonomers Types of micro monomers Compositions Types of initiators •Types of Chain transfer agents •Change in process Production Capabilities of PCE
- 65. Peroxy Disulfates Hydrogen Peroxide AIBN BPO Vitamin C Iron(II) Sulfate Sodium Hydrogen Phosphite And … Types of macromonomers Types of micro monomers Compositions Types of Initiators •Types of Chain transfer agents •Change in process Production Capabilities of PCE
- 66. 2-Mercaptopropionic Acid 3-Mercaptopropionic Acid Thio Glycolic Acid Sodium Thio Sulfate Sodium Methacrylic Sulfonate And … Types of macromonomers Types of micro monomers Compositions Types of initiators •Types of Chain Transfer Agents •Change in process Production Capabilities of PCE
- 67. Time Temperature Monomer Addition Process Mixing Rate Mixing Power Reactor Shape Types of macromonomers Types of micro monomers Compositions Types of initiators •Types of Chain transfer agents •Change in Process Production Capabilities of PCE
- 69. Weakness Cement Incompatibility Sulfate Competition Clay Intercalation Capabilities of PCE
- 70. Weakness Cement Incompatibility Sulfate Competition Clay Intercalation Capabilities of PCE
- 71. Weakness Cement Incompatibility Sulfate Competition Clay Intercalation Capabilities of PCE
- 72. Weakness Cement Incompatibility Sulfate Competition Clay Intercalation Capabilities of PCE
- 74. Capabilities Slump Retention Fast Flow Concrete Clay Tolerant PCE Low Carbon Binder (LC² & LC³) Nanocomposite PCE Capabilities of PCE
- 75. Capabilities Slump Retention Fast Flow Concrete Clay Tolerant PCE Low Carbon Binder (LC² & LC³) Nanocomposite PCE Crosslinking PCE Monomer Hydrolysis Low Charge Density PCE Capabilities of PCE
- 76. Capabilities Slump Retention Fast Flow Concrete Clay Tolerant PCE Low Carbon Binder (LC² & LC³) Nanocomposite PCE UHPC Decrease of Depletion Forces Capabilities of PCE
- 77. Capabilities Slump Retention Fast Flow Concrete Clay Tolerant PCE Low Carbon Binder (LC² & LC³) Nanocomposite PCE Amphoteric PCE Short Side Chain PCE Capabilities of PCE
- 78. Capabilities Slump Retention Fast Flow Concrete Clay Tolerant PCE Low Carbon Binder (LC² & LC³) Nanocomposite PCE Amphoteric PCE High Charge Density Long Side Chain (IPEG) Short Side Chain (HPEG) Capabilities of PCE
- 79. Capabilities Slump Retention Fast Flow Concrete Clay Tolerant PCE Low Carbon Binder (LC² & LC³) Nanocomposite PCE High Early Strength Capabilities of PCE
- 81. Outlook Low and Zero Clinker Cement Concrete Recycle Gypsum Board Industry Ceramics Paints Capabilities of PCE