CN110234496A - 用于碳纤维片状模塑复合物的优化施胶 - Google Patents
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Abstract
提供了包含乙烯基酯树脂型体系的碳纤维片状模塑组合物。碳纤维分布是随机的。碳纤维长度为约0.5英寸至2英寸。碳纤维加入量为约35%至65%,并且包含经环氧施胶的碳纤维和经乙烯基施胶的碳纤维,有效地实现期望机械性能的预定显著提高。
Description
相关申请的交叉引用
本申请要求2016年9月27日提交的美国在先申请第62/400,380号的优先权。以上申请的公开内容通过引用并入本文。
技术领域
本发明涉及片状模塑组合物,其可用于车辆中的组件例如轻质的强力提升式车门。
背景技术
碳纤维-片状模塑复合物(CF-SMC)是普遍已知的。目前的做法是使用100%具有环氧胶料的工业重型丝束(heavy tow)碳纤维。另外,由低成本的工业重型丝束碳纤维生产CF-SMC非常困难。所有的焦点一直都放在寻找切割工业重型丝束碳纤维的办法上,而不是放在使用短切的工业重型丝束碳纤维来优化CF-SMC的特性上。因此,本领域中仍然需要有效地生产CF-SMC,同时优化最终的CF-SMC的期望机械性能。
另外,当建造具有内燃机的车辆时,管理车辆中产生的电场是长期以来的考虑。任何时候在电气系统中产生电流,也都存在与该电流产生有关的后续电场。这些场可能干扰车辆中的其他电气组件和系统。
某些电气组件比其他电气组件对所述场更敏感。例如,在AM或FM频带上操作车辆无线电时,火花塞干扰有时很普遍。与使用被设计成减少背景电噪声的火花塞线一样,电阻火花塞也减少干扰。
随着车辆系统和社会普遍变得越来越依赖于电气控制和监控盒(monitoringcage)及系统,对进一步管理和限制电磁干扰的需求也变得重要得多,并且甚至对确保在车辆中或在车辆附近的电气装置的正确操作至关重要。
随着电混合动力车辆和纯电动车辆的出现,这样的车辆中使用的电流比常规车辆中使用的电流大得多。为了有效且可靠地处理为车辆中的系统供电并使其运行所需的电能,所使用的马达以及电池、电线、继电器螺线管和其他组件必须是极其耐用的。因此,通过这些系统而产生的电场增加。虽然现代工程和材料已经帮助控制了一些电场发射,但是仍然需要进一步控制和或屏蔽或隔离仪表、无线电、照明和使用者免受所产生的电场的影响。
特别地,大多数EV电池、电池管理系统、牵引马达控制器和DC-DC转换器被连接至在高频率(20kHz至50kHz)下切换高功率(高达100kW或更高)的装置或者为这样的装置。这导致在这些频率和谐波下的电磁场,所述电磁场可能从所述设备辐射,并且这些辐射可能干扰安全、通信和娱乐设备。这可能在车辆上和车辆外均发生。允许的发射水平通过法规(例如FCC)和产品性能规范来控制。
外壳设计的标准做法是使用金属或者使用金属的复合材料或涂覆塑料外壳。这些车辆中使用的半结构电池壳体使用具有屏蔽层(通常是铜)的玻璃增强SMC。这是一个耐用但昂贵且重的解决方案。因此,本领域中仍然需要用更成本有效且更轻的材料代替重质且昂贵的铜屏蔽设计而不牺牲掉屏蔽特性。
发明内容
提供了具有显著改善的预定机械性能的碳纤维片状模塑组合物(CF-SMC)。根据本发明的广泛方面的CF-SMC包含有效量的碳纤维以实现期望的特性。碳纤维加入量为按重量计约35%至65%,通常45%至55%,优选50%。
根据本发明的一个实施方案,提供了电磁屏蔽组合物。根据本发明的广泛方面的电磁屏蔽组合物包含按体积计约40%至60%的填充有有效量的碳纤维的片状模塑组合物,用于屏蔽来自至少部分电驱动的车辆中的电气系统的电磁辐射。
根据本发明的一个实施方案还提供了用于制造用于电动车辆的组件的电磁屏蔽物的方法。在本发明的方法中,配制呈片状形式的电磁屏蔽组合物。电屏蔽组合物包含按体积计约40%至60%的填充有有效量的碳纤维的片状模塑组合物,用于屏蔽来自至少部分电驱动的车辆中的电气系统的电磁辐射。其后,用于部件的电磁屏蔽物通过将电磁屏蔽组合物的片成型并固化成有效地遵循待屏蔽组件的外形的形状来生产。
使用碳纤维作为增强材料代替玻璃,通过碳纤维的较低密度和较高强度而降低部件的质量。本发明还通过利用碳纤维的减弱EMI的能力消除了现有设计中的铜包层。这将进一步降低所制造部件的重量并且部分抵消碳纤维的成本。
从下文中提供的详细说明,本发明的其他应用领域将变得显而易见。应当理解,详细说明和具体实施例虽然表明了本发明的优选实施方案,但仅用于说明的目的,并不旨在限制本发明的范围。
具体实施方式
优选实施方案的以下说明本质上仅是示例性的,并且决不旨在限制本发明、其应用或者用途。
根据本发明,提供了具有显著改善的预定机械性能的碳纤维片状模塑组合物(CF-SMC)。根据本发明的广泛方面的CF-SMC包含有效量的碳纤维以实现期望的特性。碳纤维加入量为按重量计约35%至65%,通常45%至55%,优选50%。碳纤维分布是无规或无定形的。碳纤维尺寸(长度)为约0.5英寸至2英寸,通常为1英寸至2英寸,优选为1英寸。SMC优选为基于乙烯基酯型的片状模塑组合物。
本发明使用工业重型丝束碳纤维的混合物以获得预定的显著改善的机械性能。代替使用常规的仅环氧施胶碳纤维,提供了环氧施胶碳纤维和乙烯基酯施胶碳纤维二者的组合物。举例来说,本发明的混合物为约40%/60%至约60%/40%(环氧:乙烯基酯和乙烯基酯:环氧施胶碳纤维),优选为50%/50%。在所有情况下,与使用具有100%环氧胶料或100%乙烯基酯胶料的碳填料的比较例比较,本发明的实施例的期望机械性能显著提高。在不脱离本发明的范围的情况下,根据应用设想优化预定的机械性能和加工特性时适合于与所选择树脂一起使用的其他施胶制剂。
本发明选择的碳纤维为适用于与所选择的CF-SMC和树脂体系配制并且提供合适的预定期望特性的那些碳纤维。碳纤维还具有适用于与所选择的CF-SMC和树脂体系配制并且提供合适的预定期望特性的预定施胶和大的丝束。通常,碳纤维特别用环氧施胶,而另一种碳纤维特别用乙烯基酯施胶。CF-SMC材料中碳纤维材料的量一般为按重量计35%至65%,通常为按重量计45%至55%,优选50%。
用于本发明的优选材料为可得自于密苏里州圣路易斯市的Zoltek公司的35连续丝束(50K)35碳纤维材料(或ZoltekTM“PX35”)。该材料是由聚丙烯腈前体制造的50K长丝纤维。该材料的拉伸强度为600KSI,拉伸模量为35Msi,电阻率为0.00061欧姆-英寸,纤维直径为0.283密耳,碳含量为95%,线密度(yield)为约400ft/lb。根据各种应用,35可用于各种施胶。用于对这种碳纤维进行施胶的优选材料(环氧碳纤维施胶和乙烯基酯碳纤维施胶材料)为可得自于荷兰Het Overloon的DSM Noxiol Division、得克萨斯州艾文市的Huntsman公司、来自俄亥俄州哥伦比亚的Momentive(又叫做Hexion)等的施胶化学品。
用于本发明的特别优选的碳纤维材料为可得自于密苏里州圣路易斯市的Zoltek公司的具有环氧施胶材料的35连续丝束(50K)Sizing11碳纤维材料。另一种用于本发明的特别优选的碳纤维材料为可得自于密苏里州圣路易斯市的Zoltek公司的具有乙烯基酯施胶材料的35连续丝束(50K)Sizing 72碳纤维。
对于本发明,选择树脂体系以适于与具有施胶材料的预定碳纤维配制CF-SMC,从而提供合适的预定期望特性。
优选的树脂体系包括乙烯基酯树脂,例如,完全配制好的基于乙烯基酯树脂的体系。另一种用于树脂体系的优选材料包括基于二苯基甲烷-二异氰酸酯的芳族聚合异氰酸酯。最优选的树脂体系包括至少完全配制好的乙烯基酯树脂和聚合亚甲基二苯基异氰酸酯(PMDI)的预定混合物。
用于本发明的特别优选的树脂体系材料为ArotranTM300,其为可得自于俄亥俄州都柏林市Ashland公司的完全配制好的基于乙烯基酯树脂的体系。通常,该材料具有显著高于玻璃-纤维材料的拉伸特性和弯曲特性。通常,该材料的拉伸强度为约200Mpa,弯曲强度为约480Mpa,拉伸模量为约35Gpa,弯曲模量为约30Gpa。用于本发明的树脂体系的另一种特别优选的材料为MondurTM MR,其为可得自于宾夕法尼亚州匹兹堡市的Covestro LLC的聚合亚甲基二苯基异氰酸酯(PMDI)材料。通常,PMDI的NCO重量为至少31重量%,优选31.5重量%;在25℃下的粘度为150MPa-s至250MPa-s,优选为200mPa-s;官能度为2.8;酸度为0.01重量%至0.03重量%;在25℃下的比重为1.24;闪点PMCC为199;在25℃下的密度为10.3lb/gal;当量重量平均值为至少132,优选133。根据本发明的最特别优选的树脂体系为300和MR材料的预定混合物。
特别优选的CF-SMC复合物为树脂体系(Arotran 300与Mondur MR混合)和碳纤维(35Sizing 11和35Sizing 72,纤维长度为约1英寸)的组合。根据本发明的CF-SMC材料中碳纤维材料的量(例如,按重量计50%)显著改善机械性能。碳纤维特别用环氧施胶(例如,Zoltek 72施胶碳纤维)。由于CF-SMC材料中碳纤维的量,例如按重量计是50%,使用11施胶的材料(11size,用环氧施胶)和72施胶的材料(72size,特别用乙烯基酯施胶)的预定可操作混合物,优选50/50%混合物,而不是仅使用全部重量百分比例如全部50%的11施胶的材料。在本发明的示例性制剂中,经乙烯基酯施胶的碳纤维为25%的11施胶的材料和25%的72施胶的材料(与50%的11施胶的材料比较)。
由于与玻璃相比,碳纤维的成本相对高,并且对于SMC中所使用的树脂,从原始碳纤维中(例如,Zoltek Panex 35的拉伸模量为242GPa,拉伸强度为4137MPa)转化出来最大量的机械性能非常重要。
因此,本发明也具有更好的经济效果,因为本发明通过简单地使用11施胶的材料(sizing)和72施胶的材料的50/50混合物实现了更高的机械性能(例如,在基于重量%的相同加入量下更有效地展现了碳纤维的性能)。
应当理解,根据应用考虑适用于使机械性能最大化的任何其他胶料(sizing),而不脱离本发明范围。
可以少量地包含其他填料、添加剂和组分,条件是它们不影响本发明的期望特性。
本发明的片状模塑组合物实现了模塑制造复杂形状应用例如提升式车门。
该材料可以与用于局部增强的单向纤维形式和环氧树脂相容。它也可以是能够具有长期稳定性的E涂层温度。
根据本发明的广泛方面,片状模塑组合物,例如电磁屏蔽组合物,包含按体积计约40%至60%的填充有有效量的碳混合物的片状模塑组合物。一般地,约60%至约40%的屏蔽碳纤维混合物。通常,使用与约55%至约45%的碳纤维混合物共混的约45%至约55%的SMC,特别优选比率为约50%SMC和50%具有胶料的碳纤维的混合物。选择用于本发明的实施方案的碳纤维为适用于与所选择的SMC配制并且提供合适的屏蔽特性的那些碳纤维。优选的SMC复合物为可得自于密歇根州诺维的Magna International的Magna EPIC BlendTMSMC组合物。SMC为乙烯基酯型片状模塑组合物。可以少量地包含其他填料、添加剂和组分,条件是它们不影响本发明的物理特性,特别是电场屏蔽特性。
所得到的组合物的特性在下表1中示出:
表1
本发明的EMI SMC的特性:
碳纤维具有适用于与所选择的SMC配制并且提供合适的预定期望特性的预定施胶和大丝束。用于本发明的优选材料为可得自于密苏里州圣路易斯市的Zoltek公司的35连续丝束(50K)35碳纤维材料。该材料是由聚丙烯腈前体制造的50K长丝纤维。该材料的拉伸强度为600KSI,拉伸模量为35Msi,电阻率为0.00061欧姆-英寸,纤维直径为0.283密耳,碳含量为95%,线密度为400ft/lb。
在一个实施方案中,将纤维可操作地切割成预定长度并用至少SMC树脂(例如乙烯基酯)制剂浸渍。优选地,将Zoltek的35碳纤维与预定SMC组合。该复合物特别适用于压缩模塑,并且优选为适用于结构组件的乙烯基酯。
本发明提供了几个优点,包括,较低成本的碳纤维SMC,提供了电磁干扰屏蔽特性、高性能、高机械性能、高耐热性,允许用于汽车、商用卡车等的部件和子系统的生产,允许用于成本有效的能源/环境要求、具有复杂几何形状的结构和半结构应用、和/或轻质结构应用的更轻质产品,包括电动车辆电池托架壳体(battery try enclosure)和用于复杂形状部件、提升式车门等的模塑。
根据本发明的一个实施方案,提供了按体积计约40%至60%的填充有有效量的具有环氧胶料和乙烯基酯胶料二者的碳纤维混合物的单层片状模塑组合物(SMC),其用于改善结构部件(例如提升式车门)的机械性能。还考虑了来自至少部分电驱动的车辆中的电气系统的电磁辐射的屏蔽,其中碳纤维为约1英寸至约3英寸的长度并且在组合物中无定形地分布。
根据本发明的一个实施方案的方法方面,提供了用于制造用于电动车辆的组件的电磁屏蔽的方法。第一步是提供呈片状形式的电磁屏蔽组合物。在本发明中使用SMC和短切碳纤维的共混。如上所示,包含按体积计约40%至60%的片状模塑组合物的电屏蔽组合物填充有有效量的碳纤维并且成形为片状,其用于来自至少部分电驱动的车辆中的电气系统的电磁辐射的屏蔽。其后,将该片状形成预定形状,然后在约150℃的工具温度下固化。该电磁屏蔽组合物的片状成形为有效地遵循待屏蔽组件的外形的形状。
待屏蔽的部件为待安装在车辆中的具有屏蔽壳体的电气部件,例如无线电、仪表、控制单元等。或者,屏蔽物可以以覆盖马达、馈线、电池、电池组、电线、线束或其他使用大电流的系统的形状形成。可以特别期望地提供用于电动车辆中的控制单元例如发动机控制单元、计算机装置、变速器控制单元、充电控制单元的轮廓吻合(contoured)屏蔽物。
根据本发明一个实施方案的方法方面,在本发明的特别优选的实施方案中,用于制造CF-SMC的方法包括将预定重量百分比(例如,按重量计50%)的具有预定胶料的碳纤维添加到预定重量百分比(例如,按重量计50%)的树脂中。碳纤维包括经环氧施胶的碳纤维和经乙烯基酯施胶的碳纤维。将碳纤维长丝可操作地加工成预定长度,例如1英寸。树脂可操作地用完全配制好的乙烯基酯树脂(例如95份)和PMDI(例如5份)的预定混合物来生产。与仅经环氧施胶的碳纤维相比,将所述碳纤维材料添加到树脂中显著改善机械性能。
在本发明的一个特别优选的实施方案中,用于制造CF-SMC的方法包括提供包含乙烯基酯树脂的树脂体系(例如,ArotranTM300,可得自于俄亥俄州都柏林市Ashland公司的完全配制好的基于乙烯基酯树脂的体系)和PMDI(例如,MondurTM MR,可得自于宾夕法尼亚州匹兹堡市的Covestro LLC的聚合亚甲基二苯基异氰酸酯(PMDI))。另外,提供预定的具有乙烯基酯胶料的碳纤维,优选具有乙烯基酯胶料的72施胶碳纤维(例如,具有乙烯基酯施胶材料的35连续丝束(50K)Sizing 72碳纤维,可得自于密苏里州圣路易斯市的Zoltek公司);和具有环氧胶料的碳纤维,优选具有环氧胶料的11施胶碳纤维(例如,具有环氧施胶材料的35连续丝束(50K)Sizing 11碳纤维,可得自于密苏里州圣路易斯市的Zoltek公司)。CF-SMC通过以下来制造:首先通过可操作地将预定量的乙烯基酯树脂和PMDI混合(例如,优选地,将约90重量份的乙烯基酯树脂和约10重量份的PMDI混合;最优选地,将95重量份的乙烯基酯树脂和5重量份的PMDI可操作地混合)生产树脂体系。将碳纤维长丝通过切割机(例如切割机)可操作地加工成预定长度的纤维长度,例如一般0.5英寸至2英寸,通常1英寸至2英寸,优选1英寸。将碳纤维材料以预定含量可操作地添加到树脂体系混合物中,例如,一般按重量计35%至65%,通常按重量计40%至60%,优选按重量计45%至55%,最优选按重量计50%。最优选地,使用按重量计50%的树脂和按重量计50%的1英寸碳纤维材料。
所得到的组合物的弯曲强度为约350Mpa至500Mpa以及弯曲模量为约25Gpa至30Gpa,优选地,弯曲强度为至少460Mpa以及弯曲模量为至少27Gpa。另外,该组合物的拉伸模量为约32Gpa至40Gpa以及拉伸强度为约200Mpa至325Mpa,优选地拉伸模量为至少35Gpa以及拉伸强度为至少275Gpa。
实施例1:
制备屏蔽的片状模塑组合物,其包含40%、45%、50%、55%和60%的片状模塑组合物,剩余部分为1英寸至约3英寸长的碳纤维,所述碳纤维具有40%的环氧施胶至60%的环氧施胶和60%的乙烯基酯施胶至40%的乙烯基酯施胶,并且厚度为0.5mm至10mm厚和1mm至2mm。在1000Mhz至2000Mhz的频率范围内发现分贝减少为65至85。由该材料形成片状和部件并且在约150℃的温度下固化。发现部件具有优于仅使用具有环氧胶料的碳纤维或具有乙烯基酯胶料的碳纤维的机械性能。还考虑到部件在电动和混合动力车辆中的部件的电磁屏蔽方面是有效的。
比较例1:
对经环氧施胶的碳纤维制剂进行测试。通过将5重量份的ArotranTM300完全配制好的乙烯基酯树脂与5重量份的MondurTM MR PMDI混合来产生树脂。仅使用具有11胶料的35——具有环氧胶料的50K碳纤维。通过切割器将碳纤维长丝加工成标称1英寸的纤维长度,并以按重量计50%的水平添加到树脂体系中(即,按重量计50%的树脂、按重量计50%的1英寸碳纤维)。在使CF-SMC在28℃下熟化48小时之后,将CF-SMC在150℃下在板工具中模塑,经过3分钟的脱模时间,制备用于机械性能测试的板。
所得到的组合物的特性在下表2中示出:
表2:
具有50%的具有11胶料的35的CF-SMC的特性
实施例2:
本发明的实施例2用特别用乙烯基酯施胶的碳纤维(即35Zoltek 72施胶碳纤维)代替50%所应用的碳纤维。CF-SMC材料中碳纤维的量为按重量计50%。按重量计50%的碳纤维具有25%的11施胶环氧施胶碳纤维和25%的72施胶乙烯基酯碳纤维。通过将5重量份的ArotranTM300完全配制好的乙烯基酯树脂与5重量份的MondurTM MR PMDI混合来生产树脂。除了25%的具有11胶料的35——具有环氧胶料的50K碳纤维之外,碳纤维还具有25%的具有72胶料的35——具有乙烯基酯胶料的50K碳纤维。将碳纤维长丝通过切割机加工成标称1英寸的纤维长度,并以按重量计50%的水平添加到树脂体系中(即,按重量计50%的树脂,按重量计50%的1英寸碳纤维,其中这50%为11施胶和72施胶的50/50混合物)。在使CF-SMC在28℃下熟化48小时之后,将CF-SMC在150℃下在板工具中模塑,经过3分钟的脱模时间以制备用于机械性能测试的板。
机械性能显著更好。实施例2的所得到的组合物的特性在表3中示出。
表3
具有25%具有11胶料的35和具有25%具有72胶料的35的CF-SMC的特性:
实施例3:
制备CF-SMC,其包含按重量计35%、40%、45%、50%、55%、60%和65%的SMC,剩余部分为碳纤维,所述碳纤维具有按重量计17%、20%、22%、25%、27%、30%、32%的环氧施胶和按重量计17%、20%、22%、25%、27%、30%、32%的乙烯基酯施胶,将碳纤维切割成约0.5英寸至约2英寸长、约0.5英寸至1英寸长的长度,并且树脂体系包含约90重量份至95重量份的乙烯基酯和约10重量份至5重量份的聚合亚甲基二苯基异氰酸酯。由该材料形成片状和部件并且在约150℃的温度下固化。发现该组合物具有合适的机械性能:约350Mpa至500Mpa的弯曲强度,约25Gpa至30Gpa的弯曲模量,约32Gpa至40Gpa的拉伸模量,以及约200Mpa至325Mpa的拉伸强度。
本发明的说明书本质上仅是示例性的,因此,不脱离本发明要旨的变化旨在落入本发明的范围内。这样的变化不被视为脱离本发明的精神和范围。
Claims (20)
1.一种碳纤维片状模塑组合物,包含:
按重量计约35%至65%的片状模塑组合物(SMC),所述片状模塑组合物填充有有效量的碳纤维,所述碳纤维具有经环氧施胶的碳纤维和经乙烯基酯施胶的碳纤维二者的有效混合物,用于提供预定机械性能。
2.根据权利要求1所述的碳纤维片状模塑组合物,其中所述预定机械性能包括约350Mpa至500Mpa的弯曲强度和约25Gpa至30Gpa的弯曲模量。
3.根据权利要求2所述的碳纤维片状模塑组合物,其中所述弯曲强度包括至少460Mpa,以及拉伸强度为至少275Mpa。
4.根据权利要求1所述的碳纤维片状模塑组合物,其中所述预定机械性能包括约32Gpa至40Gpa的拉伸模量和约200Mpa至325Mpa的拉伸强度。
5.根据权利要求1所述的碳纤维片状模塑组合物,其中在所述组合物中碳纤维长丝为约0.5英寸至约2英寸的长度并且随机分布在所述组合物中。
6.根据权利要求1所述的碳纤维片状模塑组合物,其中在所述组合物中存在按重量计约45%至55%的量的所述碳纤维。
7.根据权利要求1所述的碳纤维片状模塑组合物,其中在所述组合物中存在按重量计50%的量的所述碳纤维。
8.根据权利要求1所述的碳纤维片状模塑组合物,其中在所述组合物中存在按重量计约45%至55%的量的树脂。
9.根据权利要求8所述的碳纤维片状模塑组合物,其中所述树脂由约95重量份的乙烯基酯和约5重量份的聚合亚甲基二苯基异氰酸酯制造。
10.根据权利要求1所述的碳纤维片状模塑组合物,其中按重量计约50%的树脂填充有按重量计约50%的碳纤维。
11.根据权利要求1所述的碳纤维片状模塑组合物,其中在所述组合物中存在按重量计约45%至55%的量的树脂,并且其中在所述组合物中存在按重量计约45%至55%的量的碳纤维,所述碳纤维为长度为约1英寸的碳纤维。
12.根据权利要求1所述的碳纤维片状模塑组合物,其中所述碳纤维为由聚丙烯腈前体制造的50K长丝纤维。
13.根据权利要求12所述的碳纤维片状模塑组合物,其中所述碳纤维为具有环氧施胶材料的碳纤维和具有乙烯基酯施胶材料的碳纤维。
14.根据权利要求13所述的碳纤维片状模塑组合物,其中所述碳纤维为约25%的经环氧施胶的碳纤维和约25%的经乙烯基酯施胶的碳纤维。
15.根据权利要求1所述的碳纤维片状模塑组合物,其中所述碳纤维为由聚丙烯腈前体制造的50K长丝纤维,所述50K长丝纤维具有至少约242Gpa的拉伸模量和至少约4137MPa的拉伸强度。
16.一种碳纤维片状模塑组合物,包含:
按重量计约45%至55%的片状模塑组合物(SMC),所述片状模塑组合物填充有按重量计约55%至45%的有效量的碳纤维,所述碳纤维具有经环氧施胶的碳纤维和经乙烯基酯施胶的碳纤维二者的有效混合物,用于提供预定机械性能。
17.根据权利要求16所述的碳纤维片状模塑组合物,其中所述碳纤维混合物为约25%的经环氧施胶的碳纤维和约25%的经乙烯基酯施胶的碳纤维。
18.根据权利要求16所述的碳纤维片状模塑组合物,其中所述碳纤维为长度为0.5英寸至2英寸的短切碳纤维。
19.一种碳纤维片状模塑组合物,包含:
按重量计约40%至60%的片状模塑组合物(SMC),所述片状模塑组合物填充有按重量计约60%至40%的有效量的碳纤维,所述碳纤维包含约20%至30%经环氧施胶的碳纤维和约20%至30%经乙烯基酯施胶的碳纤维的混合物,用于提供预定机械性能。
20.根据权利要求19所述的碳纤维片状模塑组合物,其中所述预定机械性能包括至少约460Mpa的弯曲强度和至少约275Mpa的拉伸强度。
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PCT/IB2017/055937 WO2018060902A1 (en) | 2016-09-27 | 2017-09-27 | Optimized sizing for carbon fiber-sheet molding compound |
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CN111978681A (zh) * | 2020-07-22 | 2020-11-24 | 艾达索高新材料芜湖有限公司 | 一种碳纤维环氧smc片料及其制备方法 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130248241A1 (en) * | 2012-03-26 | 2013-09-26 | Magna International Inc. | Electromagnetic interference shielding sheet molding composition |
WO2016057733A1 (en) * | 2014-10-08 | 2016-04-14 | Ocv Intellectual Capital, Llc | Hybrid reinforcement assemblies |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW591157B (en) * | 2001-05-25 | 2004-06-11 | Mitsubishi Rayon Co | Sizing agent for carbon fiber, its water dispersing solution, carbon fiber with sizing handling, sheet matter with using the carbon fiber and carbon fiber reinforced composite |
US7169463B2 (en) * | 2004-06-21 | 2007-01-30 | Owens Corning Fiberglas Technology, Inc. | Sizing composition for sheet molding compound roving |
US20150034243A1 (en) * | 2011-06-01 | 2015-02-05 | Dsm Ip Assets B.V. | Resin composition |
US8991520B2 (en) * | 2012-03-20 | 2015-03-31 | Halliburton Energy Services, Inc. | Mathematical modeling of shale swelling in water based muds |
HUE036249T2 (hu) * | 2012-10-18 | 2018-06-28 | Toray Industries | Szénszál-erõsítésû gyantakészítmény, eljárás szénszálerõsítésû gyantakészítmény elõállítására, formázóanyag, eljárás formázóanyag elõállítására és formázott, szénszál-erõsítésû gyanta termék |
CN104065446A (zh) * | 2013-03-21 | 2014-09-24 | 上海贝尔股份有限公司 | 用于信令发送和接收mcs的方法 |
JP6194704B2 (ja) * | 2013-09-02 | 2017-09-13 | 東レ株式会社 | 炭素繊維束の製造方法 |
KR101683345B1 (ko) * | 2014-11-08 | 2016-12-07 | 주식회사 효성 | 탄소섬유용 사이징제, 및 이를 이용하여 제조된 탄소섬유 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130248241A1 (en) * | 2012-03-26 | 2013-09-26 | Magna International Inc. | Electromagnetic interference shielding sheet molding composition |
WO2016057733A1 (en) * | 2014-10-08 | 2016-04-14 | Ocv Intellectual Capital, Llc | Hybrid reinforcement assemblies |
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US11053364B2 (en) | 2021-07-06 |
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EP3519165A1 (en) | 2019-08-07 |
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