Electric dissipative polyurea surfaces for new fields …

1 PDA Europe 2013 Annual Conference Rome, 18-20 November Electric dissipative polyurea surfaces for new fields of application ANDREAS EICHFELDER, BASF SE Dr. KLAUS BREUER, BASF SE ALAIN VAN OORSOUW, BASF POLYURETHANES BENELUX BV PDA Europe 2013 Annual Conference Rome, 18-20 November Conductivity promotors Tested coats and application equipment Mechanical and electrical properties imediate and exposed to accelerated weathering Summary and recommendations PDA Europe 2013 Annual Conference Rome, 18-20 November Isolative and Conductive material Metals Cond.

2 Carbon Black Carbon Nanotubes Rubber Thermoplasts Coatings PDA Europe 2013 Annual Conference Rome, 18-20 November Characteristics Liquid salts < 100 C (often: < ) Aromatic, planar structure Electric conductivity No vapor pressure High affinity to polar polymer matrix (hydrogen bonds) Building the bridge! Value proposition Basionics: Permanence Transparency (compatibility) High effectiveness (resistivity) PDA Europe 2013 Annual Conference Rome, 18-20 November Coating Products selected for the investigation Application Graco H-XP2 (machine) pressure 170 bar Temperature poly & iso 75 C Graco AP (spray head, air cleaned) Mixing chamber AR2929 Free film after 15 min Graco H-XP2 (machine) pressure 180 bar Temperature poly & iso 75 C Graco AP (spray head, air cleaned)

3 Mixing chamber AR2929 Free film after 2 hours Dissolver with disposable mixer head 5 min without vortex ambient temperature Seamless application on siliconated steel plate Free film after 12 hous Aromatic Spray polyurea : Elastocoat C 6335/101/7043 + ISO 136/75 Surface resistivity: Volume resistivity: 7 E+13 Ohm/sq 1 * E+12 Ohm*cm Aliphatic Spray polyurea : Elastocoat C 6330/103 + ISO 196/25 Surface resistivity: Volume resistivity: 5 E+13 Ohm/sq 5 * E+11 Ohm*cm Aliphatic Polyaspartic: Elastocoat C 6430/100 + ISO 196/19 Surface resistivity: Volume resistivity.

4 2 E+11 Ohm/sq 2 * E+10 Ohm*cm PDA Europe 2013 Annual Conference Rome, 18-20 November The variety of liquid conductivity additives trade name supplier chemical nature test system dosage Basionics FS 13 BASF SE hydroxy imidazolium salt polyaspartic aromatic polyurea and 5% 3% and 6% Basionics FS 21 BASF SE hydroxy ammonium salt polyaspartic aliphatic polyurea and 5% 3% Basionics LQ 01 BASF SE non reactive imidazolium salt polyaspartic and 5% Basionics VS 03 BASF SE non reactive imidazolium salt polyaspartic aromatic polyurea aliphatic polyurea and 5% 3% and 6% and 5% LancoStat LI 100 Lubrizol

5 Fatty acid ammonium salt polyaspartic and 5% PDA Europe 2013 Annual Conference Rome, 18-20 November Initial results in .. polyaspartic formulation PDA Europe 2013 Annual Conference Rome, 18-20 November Initial results in .. aliphatic polyurea formulation PDA Europe 2013 Annual Conference Rome, 18-20 November Initial results in .. aromatic polyurea formulation PDA Europe 2013 Annual Conference Rome, 18-20 November At a glance! aliphatic polyurea Elongation ~150% polyaspartic Elongation ~100% aromatic polyurea Elongation ~450% PDA Europe 2013 Annual Conference Rome, 18-20 November Accelerated Weathering System Equipment: Xenotest 1200 LM (Atlas) Method: non turning mode operation Climate: Middle Europe 18 min rain / 102 min dry Irradiance: 300-400nm; 60W/cm BST: 65 3 C Equivalent : 5000h Xenotest ~ years Middle Europe ~ years Florida PDA Europe 2013 Annual Conference Rome, 18-20 November Visual changes at a.

6 After 1000 hours exposure. Bild fehlt Polyaspartic Aliphatic polyurea Aromatic polyurea significant degradation no degradation no degradation PDA Europe 2013 Annual Conference Rome, 18-20 November Polyaspartic Basionics VS 03 Basionics FS 13 Basionics FS 21 Volume resistivity 4 E +11 cm 4 E +11 cm 4 E +12 cm Surface resistivity 8 E +13 2 E +14 1 E +14 Aromatic polyurea Basionics VS 03 Basionics FS 13 Volume resistivity 2 E +08 cm 3 E +08 cm Surface resistivity 6 E +08 1 E +09 Electrical properties after artificial weathering Aliphatic polyurea Basionics VS 03 Basionics FS 21 Volume resistivity 1 E +10 cm 3 E +11 cm Surface resistivity 6 E +12 1 E +14 PDA Europe 2013

7 Annual Conference Rome, 18-20 November Summary 1: Handling and Application Handling: liquid additive easy dosage incorporation in production or at site allways protect the additive from humidity Application: incorporation into polyol part agitation while spraying standard equipment PDA Europe 2013 Annual Conference Rome, 18-20 November Summary 2: Performance and Properties Performance: durability and maintenence low additive dosage dependence of paint system Properties: electrical properties mechanical properties optical properties PDA Europe 2013 Annual Conference Rome, 18-20 November Summary 3: New fields of application!

8 Aliphatic polyurea Polyaspartic Aromatic polyurea Hand applied antistatic or ESD application no exposure to weather improvement of electrical properties Machine applied antistatic or ESD layers no exposure to weather improvement of electrical properties Machine applied antistatic or ESD layers calculated exposure to weather warehouse, plants, tank farms .. PDA Europe 2013 Annual Conference Rome, 18-20 November Electric dissipative polyurea surfaces for new fields of application ANDREAS EICHFELDER, BASF SE Dr. KLAUS BREUER, BASF SE ALAIN VAN OORSOUW, BASF POLYURETHANES BENELUX BV