Italmatch Group Flame retardants and plastic additives Tailoring Flame Retardants Intumescent Systems based on Phosphorus and Nitrogen EXPANDING CHEMISTRY SEMINAR AND EXHIBITION Eindhoven, 8-9/11/2017
ITALMATCH GROUP: GLOBAL PRESENCE (update: February 2017) 2 Smyrna, Georgia USA New port, UK Frankfurt, Germany Arese, Italy P4 dedicated Logistics Poland Trading China WOFE Zuera (Zaragoza), Spain China WOFE Headquarters Genoa, Italy Spoleto, Italy Naples, Italy China JV China JV Sales Office Subsidiaries
Flame Retardants Products Trademarks 3 T MASTERET TM Flame retardants Red Phosphorus Based Flame Retardants T MELAGARD TM Flame retardants Melamine Salts Based Flame Retardants PHOSLITE TM T Flame retardants Inorganic Phosphinates and Intumescent based Flame Retardants Basically, a range of Inorganic Phosphorus and Nitrogen based Halogen Free Flame Retardants Flame retardants and plastic additives November 2017
Flame Retardant mechanisms of action: the 5 effects 4 Oxygen Decomposition products Cooling effect: Metal hydrates (ATH, MDH) 2 Gas phase reactions Combustible gases 1 Gas phase effect: - Halogens - Volatile Phosphorus (Masteret, Phoslite) Charring effect: Phoshoric acid precursors (Masteret, Phoslite) 3 Char Polymer decomposition Polymer Runaway effect (V2): Gas phase effect + solid phase radical initiators (Organic initiators, Phoslite) 4 Foam char 5 Intumescent effect: Phoshorus and Nitrogen compounds (Phoslite Intumescent)
Flame Retardants mechanisms of action 5 Halogen Hydrates Masteret Melagard Phoslite Phoslite Intumescent Gas phase XXX - X X X - Cooling - XXX - X - - Char forming - - XX - X - Runaway X - - X X - Intumescent - - - - - XXX Flame retardants and plastic additives November 2017
Flame Retardant mechanisms of action: the intumescent effect 6 Oxygen Decomposition products Gas phase reactions Low Smoke and Smoke corrosivity Combustible gases Superior processing, no discoloration, low corrosion of equipments Foamed char Polymer and Intumescent decomposition Very High Flame Retardant classes (UL- 94, GW, CTI ) at low loadings Polymer and Intumescent
Italmatch advanced FR : Phoslite Intumescent Systems 7 Code UL-94 1,6mm at 25% on PP homo LOI at 25% on PP homo Processing temperature EXPPP/35 V0 34,5 % 230 C EXPPP/36 V0 33,2 % 240 C EXPPP/37 V0 31,5 % 250 C 100% of Chemicals manufactured by Italmatch Chemicals by basic raw materials Registered in USA, China, Korea, Australia, Europe. MSDS: causes serious eyes irritation / harmfull to acquatic life with long lasting effects Flame retardants and plastic additives November 2017
Weight (%) Phoslite Intumescent: TGA of PP omo compounds (25% loading) 8 100 Compound PP homo ref.1 Compound PP homo ref.2 Compound PP homoexp PP/36 Compound PP homoexp PP/35 80 Intumescent APP (ref. 1) 60 40 Intumescent Phoslite (EXP PP/35) 20 Intumescent not APP (ref. 2) Air, 10 C/min 0 0 100 200 300 400 500 600 Temperature ( C) Flame retardants and plastic additives November 2017 700 Universal V4.5A TA Instruments
Phoslite Intumescent: UL-94 effect on different polymers PP homo PP copo HDPE LDPE LLDPE EVA TPV Shore A=60 MFI (g/10min) 12 15 8 3,5 27 12 <0,5 - - TPU Shore A=85 EXP PP/37 (%) 20 25 25 30 25 30 22,5 25 30 35 25 32,5 35 40 25 35 UL94 (1,6mm) V2 V0 V2 V0 NC V0 V0 V0 V2 V0 V2 V0 V2 V0 V2 V0 UL94 (3,2mm) V0 -- V0 -- V0 -- -- -- V0 -- V0 -- V0 - - V0 - LOI (%) 31 34 35 39 -- 34 -- 32 -- 38 30 35 - - - - - - - - Phoslite intumescent is efficient on a large base of different polymers
RHR (kw/m2) Phoslite intumescent: char formation in cone calorimeter test 10 1600 1400 1200 Irradiance: 50 kw/m2 PP homo Residue after test 1000 800 600 400 200 0 PP homo DBDPE/ATO PP homo EXP PP/35 PP homo EXP PP/36 PP homo EXP PP/37 0 50 100 150 200 250 300 350 400 Time (sec) Flame retardants and plastic additives December 2016
Phoslite Intumescent PP omo compound (25% EXPPP/35): same gas emission than pure PP 11 During thermal degradation in air in the temperature range 25 C-700 C, PP compounds FR via EXP PP/35,36,37 show the same gas emissions than pure PP, i.e.: Water, H 2 O Carbon dioxide, CO 2 Carbon monoxide, CO Satured and unsatured hydrocarbon, (CH 2 ) n, CHCH Carbonylic and carboxilic groups, (R-CO; R-COOH) C x H y + O 2 CO 2 + H 2 O + CO + R-CHCH-R + R-CO + R-COOH Flame retardants and plastic additives March 2017
Phoslite Intumescent PP omo compound (25% EXPPP/35): same gas emission than pure PP 12 Flame retardants and plastic additives December 2016
Flame Retardant mechanisms of action: Phoslite Intumescent 13 Phoslite Intumescent is not based on APP (Ammonium Polyphosphate). Phosphorus and organic Nitrogen are present in the same molecule so very uniform and homogenously distribuited Phoslite Intumescent is characterized by superior char forming capabilities Schematic picture of the Phoslite Intumescent residual Char
Phoslite in PP FR V0: applications examples 14 Flame retardants and plastic additives November 2017