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1、Basell 材料在汽车方面应用介绍 NCG外饰方面 外饰方面的应用主要包括NCGl Bumper fascia (保险杠)l Sub bumper systems (保险杠附件)l Exterior trim (外饰件)l Underhood (引擎盖下应用)PP在外饰方面的应用TailgateRoofing strip Wheel fenderCowl vent grillGrillBumper (front)Spoiler Side claddingRocker panelBumper (rear)Fender (front)Fender (rear)Wheel arch liner主要
2、的汽车生产商对外饰材料的 性能/价格要求发展趋势性能价格New / Old Targets JapaneseEuropeanNorth American保险杠 (Bumper)保险杠应用对材料的要求 冲击/韧性 - Pendulum performance 可油漆性 - 表面预处理 耐候性 - UV测试 耐划伤性 成型加工性 - 流动性/冷却结晶速度, 成型周期 外观效果 - 表观质量 / 熔接痕 尺寸稳定性 - CLTE保险杠专用材料生产技术保险杠专用材料生产技术CATALLOY SoftCATALLOY Low clte PaintabilityThin wall BumperSPHERI
3、POLREACTOR GRADE15001400130012001100100090080070060050016001700 1800CATALLOYFILLEDCOMPOUNDSpheripolSpheripol CatalloyCatalloyBatching Feed System and ExtrusionSpheripol 技术生产的保险杠专用料NCGl 需要满足的功能要求 ; -成型加工性好-出色的韧性/刚性平衡表现l 常见的壁厚为3.0 / 3,5 mm l 可提供耐 UV (G) 规格或通用规格 (A) Hifax BA238G使用共混改性手段生产的保险杠专用料使用共混改性手
4、段生产的保险杠专用料Audi Opel BMW VW量身定做的规格尺寸稳定低翘曲低的热膨胀 高刚性出色的喷漆性耐热变形性能好的冲击性能高流动性低的壁厚厚度一般在 2,8 到 3,5 mm使用HSBM规格可以达到 2,3到 2,8保险杠专用材料的开发工作主要的开发方向Grade A: 使用Catalloy技术聚合生产的规格, 具有和共混改性材料类似的收缩率/CLTEE-HSBM: 高强度的共混改性材料, 用于薄壁保险杠Grade A: 使用Catalloy技术聚合生产的具有很低CLTE的保险杠用材料 Catalloy 技术给材料带来的特性- 材料具有与共混改性材料类似的性能, 同时表现出低的CL
5、TE/高的冲击强度 注塑加工时使用方式为: 本色料 + 母料 可提供通用规格和耐光老化规格典型Grade A类型产品性能介绍 独特的CLTE Zero gap 高冲击 易于喷涂 聚合规格（性能稳定性）Grade A 与其他保险杠材料的性能比较HSBM 规格保险杠材料的开发目标1：高刚性（HS） 材料刚性更高，同等厚度条件下产品具有更好刚性 = 尺寸稳定性目标2： 高流动性（ HF ） 材料具有高的流动性以满足成型加工的需要（2.4mm壁厚） 使用HSBM规格的好处1. 系统成本的降低 壁厚降低 重量降低 成型周期节约 预处理底漆损耗降低2. 对质量的好处 Zero gap 低温冲击性 喷漆效果
6、的持久性薄壁保险杠专用材料薄壁保险杠专用材料 High Strength Bumper Material (HSBM)High Strength Bumper Material (HSBM)Basell 常用规格介绍与常见保险杠材料相比, HSBM规格具有更高 的 MFI / Flexural ModulusNCG薄壁保险杠系统设计前保险杠 Skin + Foam + Beam Zero gap multipoint assembly on beamand direct on wings/fenders energy absorbed by form compression possible
7、inner structure for part handling and thermal behavior Thickness average 2.4 mm后保险杠 skin + foam directly on rearsteel body direct assembly on rear steel body and on wings/fenders possible side brackets zero gap design impact energy absorption by foam compression thickness average 2.4mmBumper Applica
8、tion- Product MappingNCG日本车常用保险杠材料欧洲车常用保险杠材料北美车设计趋势保险杠材料性能发展趋势 Higher Melt Flow Rates, (7-10 - 15-20) Higher Stiffness (Flex. Modulus): 420-650 MPa 800-1,400 MPa Higher Surface Hardness and Toughness 更好的成型加工性Larger parts (longer flow lengths). Faster Cycle Times Lower Cavity Pressure. 更轻的产品重量Equal a
9、pparent flexural modulus Thinner wall stock = lighter vehicles = better fuel efficiency 更好的产品使用性能Enhanced damage resistance of painted part. Durability improvement in molded-in-color applications.性能趋势性能趋势“ “性能改进要求性能改进要求” ”产品性能比较 - 保险杠 NA Bumper for GM (CA387) Stiffness 950 MPa Izod 6,0 kJ/m2 at - 30
10、C MFR 18 g/10min Shrinkage 1,3% Excellent paintability Molded at 2,7mm wall thickness Reactor TPO EU Bumper for Opel (HX EXP5519/1) Stiffness 1400 MPa Charpy 5,5 kJ/m2 at - 30C MFR 14 g/10min Shrinkage 0,9% Excellent paintability Molded at 3,0-3,5 wall thickness外饰件应用介绍趋势 l Zero gap concept at lower
11、densityl Higher MFIl Higher modulus to allow for thin wall rocker panelsl Improved UV / scratch resistance l Improved paintabilityl Move from PVC to PP for soft profilesNCGExterior Trim Applications Product MappingNCG外饰应用举例- Rocker Panels / Side Claddings (rigid)产品要求 Good Processing Paintability Low
12、 CLTE Medium impact UV resistance Scratch resistance 发展趋向 Optimised CLTE / density balance Thin wall Softer products for side claddings Decorative effects外饰应用举例- Cowl vent grilleNCG产品要求 Medium CLTE High MFI HDT 发展趋向 Low CLTE Improved scratch外饰应用举例- Wheel arch liner 产品要求 low cost good processing low
13、/ medium impact发展趋势 Noise dampening FlexibilityNCG产品性能比较 - 外饰 NA Exterior Trim for GM (CB285) Stiffness 1400 MPa Izod 33 kJ/m2 at RT MFR 25 g/10min Shrinkage 0,55% Paintable and also is tigerstripe-resistant for MIC EU Exterior Trim for Opel (HC X 4305 HL86) Stiffness 2400 MPa Charpy 5 kJ/m2 at RT M
14、FR 16 g/10min Shrinkage 1,0% Currently painted, but would go to MIC if scratch is improvedunder-hood 应用对材料的要求Chemical resistancebrake / coolant / washer fluidsStiffness HDTcreep (e.g. batteries) Heat stabilityretained mechanical propertiesUnder-hood 应用介绍Underhood Applications Product MappingNCGTypic
15、ally, Moplen, Astryn and Higlass products are used, dependant on application requirements 汽车内饰件应用汽车内饰件应用典型的内饰应用举例:Door panelback panelbrake fluid containerA,B, C - pillar lowerIP partsPolypropylene Interior Components Spare wheel coverLoading floorCover load compartmentSeat backC-PillarB-PillarA-PillarArm restDoor panelHVAC - Air ductsConsoleInsulatorBrake fluid containerWindow washer reservoirExpansion tankFan shroudBattery support / Battery caseInstrument Panel汽车内饰件应用趋势l密度降低l耐划伤性提高l外观效果改善l哑光l刚性/韧性的
