High Performance Polyamide - Kuraray

1 high Performance PolyamideApplication in AutomotiveApplication in AutomotiveHigh Performance PolyamidePA9 TKuraray Process of PA9T Manufacturing+ 11+ &2 + 1+ +1, + 1,9-Nonanediamine1122++Q&22++22&Terephth alic Kashima plant (Ibaraki pref.)PA9T Capacity : 11,000MT/Y in Oct. 2008 Kashima plant (Ibaraki pref.)Saijo plant (Ehime pref.)Melting Points of Polyterephthalamides )PA6T homopolymerPA6T homopolymerCo-polymerizationEx) adipic acid Melting point( PA9 TDecomposition temperatureMoldable temperature Ex) adipic acidisophthalic acidmethyl pentanediame Number of carbon in diamine unitPA9 TModified PA6T Modified PA6T Lower chemical resistance Poor moldability Lower abrasion resistance Feature of chemical structureChemical structureThermalpropertiesTm=255 Tg=50 Materials Brand name, Producer PA6-6 NNH(CH2)6 COCOHn(CH2)4 NNH(CH2)6 COCOHn(CH2)

2 4 OOOOC6 diamine adipic acidTm=290 Tg=78 PA6-6T Arlen C Mitsui Amodel A-4000 Solvay (Zytel HTN52 Dupont)Tm=310 Tg=85 PA6-6IT Amodel A-1000 Solvay Tm=310 Tg=126 modifiedPA6-TPA4-6 Stanyl DSM OOOONNH(CH2)6 COCOHCOCO(CH2)4 COCOn NNH(CH2)6 COCOHCOCO(CH2)4 COCOn NNH(CH2)6 COCOHCO(CH2)4 COn NNH(CH2)6 COCOHCO(CH2)4 COn NNH(CH2)4 CCHn(CH2)4 NNH(CH2)4 CCHn(CH2)4 C4 diamine adipic acidC6 diamine adipic acid terephthalic acidC6 diamine adipic acid isophthalic acid terephthalic acidPA6M-T Zytel HTN51 Dupont Tm=305 Tg=135 Tm=263 306 Tg=125 PA9-T Kuraray NNH(CH2)9 COCOHNHNHn CH3 NNH(CH2)9 COCOHNHNHn CH3 NNH(CH2)6 COCOHNHNHn CH3 NNH(CH2)

3 6 COCOHNHNHn CH3C6 diamine methylpentane diamie terephthalic acidC9 diamine methyloctane diamie terephthalic acidFeature of PA9 TLow water absorptionSuperior dimensional stabilityChemical and hydrolysis resistanceMechanical properties at elevated temp.(Tg PA9T > PA46 > pa66 )Long term heat resistanceOutstanding fuel barrier propertiesLong term heat resistanceWater absorption properties1015PA46 Water absorption (%)23 , in water ( )Long chain (C9)112PA9T+ +051005101520 Time (days)PA66PA6T3$ 7 Water absorption (%)N1000A112++2++PA46+ ++ ++ +1122++21++ ++ + Gear unit for air conditioner : low water absorptionDownsizing Previous material POM pa66 Superiority of GenestarGrade G1300A, N1000A Previous material POM pa66 Problem Breaking due to lack of strength in downsized design Requirement Low water absorption, Abrasion resistance, Strength at high of Genestar Low water absorption Abrasion resistance Strength at high temp.

4 Gear for wiper motor : Low water absorption Previous material POMG rade N1000 ASuperiority of Genestar Low water absorption Abrasion resistance Strength at high temp. Problem Breaking due to lack of strength in downsized design Requirement Low water absorption, Abrasion resistance, Strength at high temp. Rack guide for steering : Low water absorptionGrade G1352A Previous material Aluminum sinterSuperiority of Genestar Low water absorption Problem high cost and weight Requirement Dimensional stability, Abrasion resistance, Strength at high temp. Low water absorption(Dimensional stability)vs other Polyamide Strength at high resistancePA9 TPA6 TPA46PA66 PPSG asoline8686718698 Engine oil8988678197 Retention of tensile strength (%)Engine oil8988678197 Methanol7235543998 Toluene8277746895 Chloroform8785716887 Hot water (80 )9063404496 Sulphuric acid (10%aq.)

5 8152423998 NaOH (50%aq.)8562597192 Retention(%) of tensile strength after dipping in solvent at 23 for 7 daysThickness of specimen : (50%aq.)8562597192 CaCl2 (50%aq.)9264527397*Yellow cells show that maintains 80% of initial property Roller for slide door : Chemical resistanceGrade N1000A Previous material PA46 Superiority of Genestar Calcium chloride resistance Problem Abrasion due to degradation caused by calcium chloride Requirement Abrasion resistance, Calcium chloride resistance Calcium chloride resistance Protect tube for wire harness : Chemical resistanceGrade N1006D Previous material PA46 Superiority of Genestar Calcium chloride resistance Problem Degradation of tube caused by calcium chloride Requirement Calcium chloride resistanceHeat resistance Calcium chloride resistance Housing for thermostat.

6 Hydrolysis resistanceGrade G1350A Previous material PPS Problem Heavy, Low impact strength Requirement Hydrolysis resistance, Low density, ToughnessSuperiority of Genestar Low density Low density Toughness Skip secondary processingMechanical properties at elevated strength (MPa)10 Flexural strength of unreinforced gradeFlexural modulus of unreinforced gradeFlexural modulus (GPa)110100-50050100150200250PA9T N1000 APA6 TPA46 Flexural strength (MPa) modulus (GPa)-50050100150200250-5005010015020025 0Tg : PA9T PA6T > PA46 Crystallinity : PA9T PA46 > PA6 TTemperature ( )Temperature ( ) Gear for AFS : Strength at high temperatureAdaptive Front Lighting SystemGrade G1300A Previous material New system Requirement Strength at high temp.

7 , Abrasion resistanceSuperiority of Genestar Strength at high temp. Abrasion resistanceLong term heat resistance (GF30%) PA9T 160 PA9T G1300 ARetention of tensile strength (%)Retention of tensile strength (%) PA9T 190 pa66 160 pa66 190 KU Retention of tensile strength (%)Retention of tensile strength (%) Material PA9T Genestar G1300A (GF30%) pa66 (GF33%) KU KU Heat aging time (hr)Heat aging time (hr) Intercooler tank : Strength at high temperatureGrade G1300A Previous material Aluminum die cast, PA46, pa66 Problem Heavy, Calcium chloride resistance, Long term heat resistance, Acid resistance (for LPL-EGR) Requirement Calcium chloride resistance, Long term heat resistance, Fatigue resistance at high temp.

8 , Acid resistance (for LPL-EGR)Superiority of Genestar Long term heat resistance, Fatigue resistance at high temp. Calcium chloride resistance, Acid resistance (for LPL-EGR)Fuel CE10 barrier properties3 $ 3 $ 3 $ 3 $ ( 7 ) (( 7 ) (( 7 ) (( 7 ) (LVRRFWDQHLVRRFWDQHLVRRFWDQHLVRRFWDQHWR OXHQHWR OXHQHWR OXHQHWR OXHQH( W2 +( W2 +( W2 +( W2 + 3 HUP HD WLRQ & RHIILFLH QW RI ) X HO & ( 3 HUP HD WLRQ & RHIILFLH QW RI ) X HO & ( 3 HUP HD WLRQ & RHIILFLH QW RI ) X HO & ( 3 HUP HD WLRQ & RHIILFLH QW RI ) X HO & ( 3 $ 73 $ 73 $ 73 $ 73 $ 3 $ 3 $ 3 $ 3 $ 3 $ 3 $ 3 $ 40 65%RH3 HUP HD WLRQ & RHIILFLH QW RI ) X HO & ( 3 HUP HD WLRQ & RHIILFLH QW RI ) X HO & ( 3 HUP HD WLRQ & RHIILFLH QW RI ) X HO & ( 3 HUP HD WLRQ & RHIILFLH QW RI ))))))))

9 X HO & ( J P P P GD\J P P P GD\J P P P GD\J P P P GD\Specimen configuration : Film (Thickness : 100 m)Analytical instrument : Gas chromatographyFuel CE10 : isooctane/toluene/ethanol = 45/45/10 Fuel related parts: Fuel resistanceQuick connectorFuel tankQuick connectorFuel tubeLock nutGrade G1300A, G1301A, GC1201 AFuel tankFuel tubeEmission control in USA2004 LEV IIDemand for barrier materials is growingLock nutGrade N1001 DGrade N1001 AApplicationsHousing for thermostatInsulator for EGR valve motorGear for air conditionerGear for wiper motorQuick connectorthermostatvalve motorconditionerFuel tubeBearing retainerIntercooler tankLock nutRoller for slide doorRack guide for steeringProtect tube for wire harnessHead lamp actuatorBearing retainerTypical properties of unreinforced gradesUnitTest method StandardToughenedGlass fiber content Physical propertiesSpecific gravityg/cm3 Grade(ISO))

10 ExtrusionAbrasion resistanceGenestar Unreinforced GradesWater absorption 23 in water, 24hrs % Mechanical propertiesTensile strengthMPa Tensile elongation Flexural strengthMPa Flexural modulusGPa Charpy impact strength (notched)kJ/m2 Thermal propertiesMelting point Glass transition DTUL ( ) Dimensional characteristicsMolding shrinkage :in direction of flow (2mmt) :at right angles to flow Abrasion propertiesCritical PV valuekg/cm2 cm/sec Coefficient of Friction P=10kgf/cm2 Wear P=10kgf/cm2mg * Table shows typical values, which are not specified values.