CN102686794B - 涂层织物产品 - Google Patents

涂层织物产品 Download PDF

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CN102686794B
CN102686794B CN201080050893.0A CN201080050893A CN102686794B CN 102686794 B CN102686794 B CN 102686794B CN 201080050893 A CN201080050893 A CN 201080050893A CN 102686794 B CN102686794 B CN 102686794B
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air bag
coating
kollag
coated
antiblock
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CN102686794A (zh
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M·巴瑟
W·布莱克伍德
V·克莱瑞奇
安德鲁·威廉·穆特尼
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Dow Silicones Corp
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Dow Corning Corp
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Abstract

本发明涉及用于安全目的以保护诸如汽车的交通工具的乘坐者的气囊的涂层和意图被制造成气囊的气囊织物的涂层。具体地,本发明涉及已预涂布有固化的有机树脂涂层组合物的气囊和气囊织物的顶涂层。顶涂层是包含至少一种分散在有机聚合物粘合剂中的固体润滑剂的防粘连涂层组合物。还描述了用于应用顶涂层的方法。

Description

涂层织物产品
本发明涉及用于安全目的以保护诸如汽车的交通工具的乘坐者的气囊的涂层和意图被制造成气囊的气囊织物的涂层。具体地,本发明涉及已涂布有包含有机树脂的组合物的气囊和气囊织物的具有防粘连组合物的顶涂层。所谓的“有机树脂”或“有机聚合物”指其中形成聚合物链的原子中的至少50%的原子为碳原子的聚合物。
气囊通常由在其至少一侧上被弹性体层覆盖的、用合成纤维制成的机织织物或针织物形成,合成纤维为例如聚酰胺,如尼龙-6,6或聚酯。气囊可由平幅织物制件制成,平幅织物制件可被涂布且然后被缝合在一起以提供充足的机械强度,或气囊可采用整体地织缝以一体式纺织。缝合的气囊通常被组装为涂布的织物表面在气囊的内侧。一体式纺织的气囊是在气囊的外侧上涂布。
对于一些气囊应用,加压气体必须被保持在织物封套中持续相对长的时期。这种需要例如存在于汽车工业的侧帘式气囊。这些侧帘式气囊意图在撞击时膨胀,如常规的气囊一样。侧帘式气囊打开,以在乘客和车身的一些侧面例如窗户之间形成缓冲垫。由于意图不是如与常规的驾驶员和乘客用气囊的情况那样只缓冲对撞击力本身的爆发,而是在例如车翻滚时保护乘客,在这种翻滚过程期间,侧帘式气囊被充分地加压是重要的。在常规的驾驶员和乘客用气囊仅需要保持压力持续一瞬间的情况下,侧帘式气囊维持合适的压力持续数秒是期望的。类似的应用存在于其中期望加压织物结构以将一定的气压维持相对延长的时间的情况,例如在飞机或充气艇紧急降落(emergency chute)时。因此,存在对这样的涂层织物的需求:在由硅酮橡胶涂层提供的少的涂布重量下具有柔性和耐高温但仍具有改进的气密性的益处。
其中,用于涂布气囊或气囊织物的优选的弹性体是氨基甲酸酯聚合物。
美国专利5110666描述了一种涂布有新颖的聚碳酸酯-聚醚型聚氨酯的织物基材,以用作驾驶员的侧气囊或乘客的侧气囊。
美国专利6169043描述了包含聚氨酯和聚丙烯酸酯组分的混合物的气囊涂层组合物,以在织物表面上提供低渗透性涂层。
美国专利7543843描述了混杂树脂作为气囊涂层的用途。混杂树脂是与丙烯酸树脂、乙烯基树脂(vinyls)和/或硅树脂共混的氨基甲酸酯,其中组分中的至少一种具有20℃或更低的玻璃化转变温度。氨基甲酸酯优选具有聚碳酸酯、聚丁二醇、硅基二醇或烯烃基二醇型。
如果使氨基甲酸酯聚合物底涂层作为气囊上的唯一涂层,这种底涂层的表面性能将导致粘连(在储存期间和汽车中的气囊的密填充期间,尤其在高的环境温度时,氨基甲酸酯涂布的表面粘附到彼此)和气囊膨胀时的非常高的压力,这将导致在膨胀期间由于撕裂产生的气囊故障或由于氨基甲酸酯聚合物底涂层与织物分离产生的气囊故障。在制造气囊期间当涂布有氨基甲酸酯聚合物的织物储存在辊中时,氨基甲酸酯聚合物表面之间的粘连也是个问题。
US-A-5945185描述了由其中硅氧烷含量为按重量计5-40%的硅酮改性的热塑性聚氨酯树脂制成的气囊。这种气囊被认为具有降低的粘连危险,但交通工具制造者偏爱使用涂层织物气囊。
美国专利6239046描述了用粘性聚氨酯层并且然后用弹性聚硅氧烷层涂布针织物、纺织或非纺织织品基材。然后由被涂布的织品基材形成具有优异的气体保持性和优异的耐热性的气帘或气囊。
美国专利6177365和美国专利6177366描述了包含至少两个分离层的气囊涂层。与气囊表面接触的第一层(底涂层)包含聚氨酯、聚碳酸酯、聚酰胺、丁基橡胶、氢化丁腈橡胶或乙烯-醋酸乙烯共聚物的非硅酮组合物。第二层(顶涂层)是硅酮材料。
此外,已发现,在一些有机树脂底涂层上、尤其在氨基甲酸酯聚合物底涂层或用氨基树脂固化的底涂层上应用可固化的液体硅酮橡胶顶涂层释放令人不舒服的鱼腥味。
根据本发明的一个方面,涂布有有机树脂的气囊顶面涂布有包含至少一种分散在有机聚合物粘合剂中的固体润滑剂的防粘连涂层。
根据本发明的另一方面,用于涂布其中气囊或织物涂布有有机树脂的气囊或气囊织物的方法的特征在于,用包含至少一种分散的固体润滑剂的水分散体的防粘连涂层组合物顶面涂布所述气囊。
存在于防粘连涂层中的固体润滑剂可例如包括含氟聚合物如聚四氟乙烯(PTFE)、固体烃蜡如聚烯烃蜡(例如微粉聚丙烯蜡)或PTFE和蜡的混合物。固体润滑剂可另外地或可选择地包括诸如滑石的矿物润滑剂,其可以为滑石微球体、蒙脱土、二硫化钼、石墨、硫化锌或磷酸三钙、或这些中的任意两种或更多种的混合物的形式。矿物润滑剂例如滑石和蒙脱土在减小气囊表面的粘连方面是有效的,且可用于部分或完全代替PTFE作为固体润滑剂。
我们已发现含氟聚合物和滑石的组合在减小涂布的气囊表面的粘连方面是特别有效的。
固体润滑剂防粘连涂层组合物优选地应用于,在每种情况下都预涂布有包含来自水分散体的有机树脂的组合物的气囊或气囊织物。涂层组合物通常需要粘合剂,以增强固体润滑剂对气囊织物的粘附。粘合剂可例如是有机聚合物粘合剂。优选的有机聚合物粘合剂包括聚氨酯、酚醛树脂、环氧树脂、丙烯酸树脂、聚酯树脂、氨基-甲醛树脂、乙烯基树脂例如聚乙烯醇缩丁醛和聚酰胺酰亚胺树脂。优选的聚氨酯包括聚酯型多元醇和芳族或脂族二异氰酸酯的共聚物。优选的酚醛树脂包括苯酚和甲醛的共聚物以及苯酚、甲醛和甲酚的共聚物。优选的环氧树脂是双酚A和表氯醇的共聚物。因此,存在于气囊织物表面上的涂层包括分散在有机聚合物粘合剂中的固体润滑剂。有机聚合物粘合剂的水平可例如为按重量计防粘连涂层组合物(基于干涂层重量)的2%或3%至高达50%的范围内,即按重量计基于干涂层重量减摩涂层组合物的2%至50%或可选择地3%至50%。通常优选的是例如按重量计(基于干涂层重量)涂层组合物的5%或10%至高达35%,即5%至35%或可选择地10%至35%的有机聚合物粘合剂的水平。组合物的总重量%总是合计达100%。所提及的在组合物中基于干涂层重量的范围意图指排除水和或共溶剂的重量所计算的重量。
在本发明的一个优选的方面,应用于预先涂布有包含有机树脂的组合物的气囊织物的防粘连涂层组合物包括固体润滑剂的水分散体,例如在有机聚合物粘合剂的分散体中的含氟聚合物和/或滑石或蒙脱土。有机聚合物粘合剂的分散体可以是水溶液,如需要,该水溶液任选地含有水溶性有机共溶剂;或可以是水性乳液或悬浮液。这样的乳液或悬浮液通常通过至少一种表面活性剂稳定化,表面活性剂可选自非离子型表面活性剂、阴离子型表面活性剂和阳离子型表面活性剂和两性表面活性剂以及这些中的两种或更多种的混合物。合适的非离子型表面活性剂的实例是烷基乙氧基化物(乙氧基化脂肪醇)或芳烷基乙氧基化物,例如(叔辛基苯氧基)聚乙氧基乙醇。合适的阴离子型表面活性剂的实例是十二烷基苯磺酸钠。
可通过将固体润滑剂分散在有机聚合物粘合剂的分散体中,或通过将固体润滑剂的分散体与有机聚合物粘合剂的分散体混合,或通过将有机聚合物粘合剂分散在固体润滑剂的分散体中,来制备防粘连涂层。可使用这些技术的组合,例如,可将含氟聚合物固体润滑剂的分散体与有机聚合物粘合剂的分散体混合,并且可将矿物固体润滑剂(例如滑石)混合到所得到的分散体中。
防粘连涂层组合物优选地含有按重量计基于干重至少3%或5%、更优选至少10%,至高达90%、更优选至高达80%的固体润滑剂,例如按重量计从3%至90%、可选择地从3%至80%、可选择地从5%至90%、可选择地从5%至80%、可选择地从10%至90%、可选择地从10%至80%的固体润滑剂。实例包括含有基于组合物干重50%或60%固体润滑剂的组合物。最优选地,织物上的防粘连涂层包含按重量计至少20%或30%至高达75%或85%的固体润滑剂。有机聚合物粘合剂可例如占基于干重3%至50%的涂层。组合物的总重量为100%。
固体矿物润滑剂(例如滑石)的量优选不是太高以导致在储存期间滑石大量沉淀。按涂层的重量计,基于干重,存在于含有或不含有PTFE固体润滑剂的涂层中的滑石的量优选地为:当与PTFE固体润滑剂组合存在时,5%或10%至高达30%或40%的范围内,例如5%至30%、可选择地5%至40%、可选择地10%至30%、或可选择地10%至40%;或在无PTFE固体润滑剂时最高达80%或90%,例如5%至90%、可选择地5%至80%、可选择地10%至90%、可选择地10%至80%。在根据本发明的防粘连涂层中使用滑石避免与在滑石以粉末形式应用于气囊以抑制粘连时防尘相关的问题。
防粘连涂层组合物可含有增粘剂,以增强涂层对固化的有机树脂底涂层的粘附。优选的增粘剂包括环氧硅烷,例如环氧烷基三烷氧基硅烷,如3-缩水甘油醚氧基丙基三甲氧基硅烷(3-glycidoxypropyltrimethoxysilane)、(烷基)丙烯酰氧基烷基三烷氧基硅烷,如甲基丙烯酰氧基丙基三甲氧基硅烷或氨基硅烷类,如(乙二胺丙基)三甲氧基硅烷、N-(2-氨基乙基)-3-氨基丙基三甲氧基硅烷、氨基烷基烷氧基硅烷类、N-苯基氨基甲基二甲氧基甲基甲硅烷、N-环己基-氨基甲基二甲氧基甲基甲硅烷、N-甲基氨基甲基-二甲氧基甲基甲硅烷、N-乙基氨基甲基二甲氧基-甲基甲硅烷、N-丙基氨基甲基二甲氧基甲基甲硅烷、N-丁基氨基甲基二甲氧基甲基甲硅烷、(甲基丙烯酰基-羟甲基)-二甲氧基甲基甲硅烷、N-(二甲氧基甲基-甲硅烷基甲基)-O-甲基氨基甲酸酯,由氨基甲基二甲氧基甲基甲硅烷与迈克尔受体(例如马来酸二酯、富马酸二酯、柠康酸二酯、丙烯酸酯、甲基丙烯酸酯、肉桂酸酯、衣康酸二酯、乙烯基膦酸二酯、乙烯基磺酸芳基酯、乙烯基砜类、乙烯基腈类、1-硝基乙烯类)的迈克尔加成反应产生的产物、或诸如例如丙二酸二酯和醛(例如甲醛、乙醛或苯甲醛)的诺文葛耳缩合产物。还可使用例如如在美国专利3,455,877(通过参考被并入)中所描述的具有环氧基和烷氧基官能团的有机硅化合物。烷氧基自由基可以是相同的或不同的,并且通常选自具有1至4个碳原子的烷氧基自由基,例如甲氧基或乙氧基。任何其他的取代基在存在时优选地选自具有1至8个碳原子的烷基。合适的硅烷包括例如υ-(3,4环氧环己基)-乙基三甲氧基硅烷。增粘剂优选地在制剂中以按重量计最高达5%存在于涂层组合物中,例如从0.2%或0.5%至高达1%。
防粘连涂层组合物可含有润湿剂,以确保涂层将在固化的有机树脂底涂层上扩展。优选的润湿剂的一种类型为硅氧烷聚醚,具体为聚氧化乙烯-硅氧烷,其中聚醚基团是羟基封端的,其另外被称为硅二醇(siliconeglycol)。这样的润湿剂包括硅氧烷化合物,其含有与烷基硅氧烷基团相连的烷基聚(乙烯氧基)硅氧烷基团,其中的烷基含有1-6个碳原子。它们优选地是低分子量的化合物,优选含有2至8个之间硅原子。例如,润湿剂可含有1-3个烷基聚(乙烯氧基)硅氧烷基团(i)和1-4个烷基-硅氧烷基团(ii)。可选择地,润湿剂可以是含有一个烷基聚(乙烯氧基)硅氧烷基团(i)和两个烷基(通常为甲基和/或乙基)-硅氧烷基团(ii)的三硅氧烷。优选地,烷基聚(乙烯氧基)硅氧烷基团(ii)中乙烯氧基(EO)单元的平均数为5至12之间,包括5和12。优选地,烷基聚(乙烯氧基)硅氧烷基团(ii)的端基单元是乙酰氧基、羟基或烷氧基单元(例如,甲氧基)。例如,以下结构的化合物:
其中:
n=3-20
R=H、CH3、CH3CH2、CH3CO
可使用其他的R基团,且Si原子和EO链之间的烷基链的长度范围可为1至12个碳,例如3个碳原子,从而在Si原子和EO链之间形成丙基键合。优选的实例包括但不限于1,1,1,3,5,5,5-七甲基-3-聚乙氧基丙基-三硅氧烷等。润湿剂优选地在制剂中以按重量计最高达10%存在于涂层组合物中,例如从0.5%或1%至高达3%。
防粘连涂层组合物可含有阻燃剂。气囊不支持燃烧是重要的,且气囊通常需要添加阻燃剂,以通过适用于气囊的严格的可燃性测试,尤其在如果底涂层是有机树脂而不是硅酮时。如果阻燃剂在顶涂层中,阻燃剂可能是最有效的。优选的阻燃剂的实例是三水合铝,该三水合铝优选地还未被表面处理。防粘连涂层组合物可例如含有按重量计5%至40%的三水合铝。织物上的涂层可例如含有基于干涂层重量5%至55%的三水合铝。
如果防粘连涂层组合物含有矿物润滑剂,例如滑石,其可含有增稠剂,以抑制滑石沉淀。增稠剂可例如是火成二氧化硅、膨润土或聚合增稠剂,例如聚乙烯醇。增稠剂优选地在制剂中以按重量计高达5%存在于涂层组合物中,例如基于干涂层重量从0.2%或0.5%至高达1%。
防粘连涂层可通过以下方式应用于涂布的气囊或涂布的气囊织物:通过辊涂例如凹版印刷、胶印辊(offset roller)或给液辊(lick roller),或通过幕涂,或通过喷涂,其可以是空气辅助式喷涂或无气喷涂,或通过辊式刮刀涂布法。通常优选辊涂作为在低的涂布重量下均匀涂布的有效方法。转移到织物的涂层组合物的量随辊上的压力和/或凹版印刷中蚀刻的表面深度变化。防粘连涂层优选以基于干涂层重量1g/m2至高达10g/m2或15 g/m2的涂布重量应用于固化的有机树脂底涂层上。我们发现低至1g/m22g/m2的涂布重量有效地抑制粘连。
防粘连涂层组合物中水性稀释剂(水加与水混合的任何共溶剂)的量可根据对于涂布所需要的粘度和所需要的涂布重量来控制。通常,涂层组合物具有按重量计20%至75%的固体含量,并且包含80%至25%水性稀释剂,具有100%的总重量。
作为底涂层应用于气囊或气囊织物的有机树脂组合物通常可以是在前述专利中描述的基于有机树脂的涂层中的任何涂层。有机树脂的一种优选类型是聚氨酯。聚氨酯底涂层可以是例如通过异氰酸酯基团与羟基或胺基的反应在织物上固化的反应性聚氨酯,或可以是热塑性聚氨酯。不论是可固化的还是热塑性的,聚氨酯通常是多元醇与多异氰酸酯的反应产物。所述多元醇可例如是聚醚二醇,如聚丁二醇(polytetramethyleneglycol diol)、聚酯-聚醚二醇、聚碳酸酯-聚醚二醇、硅酮-聚醚二醇或含侧链羟基的聚碳酸酯。多异氰酸酯可以是芳族二异氰酸酯,但优选是脂族或脂环族二异氰酸酯。有机树脂底涂层可以是如在US-A-7543843中描述的包含与丙烯酸树脂、乙烯基树脂和/或硅树脂共混的聚氨酯的混杂氨基甲酸酯树脂。虽然这样的有机树脂底涂层在外涂布有各种顶涂层时产生气味问题,但我们发现其可外涂布有根据本发明的防粘连涂层而无任何气味问题。
底涂层可以可选择地包括聚丙烯酸酯,例如含有侧链羟基的、可通过诸如三聚氰胺-甲醛树脂的氨基树脂固化的可固化的聚碳酸酯,或乙烯醋酸乙烯酯共聚物。底涂层可以是有机树脂的共混物,例如聚氨酯与聚丙烯酸酯或与乙烯醋酸乙烯酯共聚物的共混物。
如果有机树脂底涂层是可固化的,其通常在应用防粘连涂层之前被固化,尽管在可选择的方法中,防粘连涂层组合物可应用于未固化的有机树脂底涂层并且有机树脂底涂层组合物和防粘连涂层组合物的组合可被热固化。
当将防粘连涂层应用于固化的有机树脂底涂层时,减摩涂层可在环境温度下固化或可在高温下更快速地固化,例如在50℃至200℃的范围内,特别是100℃至150℃的范围内。在高温下固化的一种可能的方法包括,在热固化有机树脂底涂层之后立即将防粘连涂层组合物应用于热的基材,例如应用于涂布的气囊或气囊织物。
本发明的防粘连涂层抑制涂层织物表面的粘连,即在储存期间或交通工具的气囊隔室中的密填充期间涂布的表面到彼此的粘附。在气囊膨胀时,这样的粘连会造成非常高的压力,导致由于撕裂产生的气囊故障或由于硅酮底涂层与织物分离产生的气囊故障。防粘连涂层还可减小涂布的气囊表面处的摩擦,且因此当经受交通工具在使用时的运动时降低气囊的磨损;这种磨损可能导致气囊的降低的压力保持。
使用本发明的防粘连涂层作为气囊顶涂层不产生任何令人不舒服的味道。我们发现当本发明的防粘连涂层应用于氨基甲酸酯聚合物底涂层(例如如在US-A-7543843中描述的包含与丙烯酸树脂、乙烯基树脂和/或硅树脂共混的氨基甲酸酯聚合物的混杂氨基甲酸酯树脂)上时,未释放鱼腥味或氨气味。
本发明的防粘连涂层抑制粘连并且避免令人不舒服的味道,而对气囊透气性或外观无任何有害影响。防粘连涂层在提高气囊密封抵抗空气压力损失方面具有一些效果,尤其在防粘连涂层的涂布重量在5g/m2以上时。防粘连涂层未导致由于与底涂层相互作用而产生任何颜色变化。
优选地,本文描述的气囊尤其可用于这样的气囊应用,其中加压气体必须保持在织物封套中持续相对长的时期(例如>5秒或以上),特别是可用于汽车工业的侧帘式气囊中。这些侧帘式气囊意图在撞击时膨胀,如常规的气囊一样。侧帘式气囊打开,以在乘客和车身的一些侧面例如窗户之间形成缓冲垫。由于意图不是如与常规的驾驶员和乘客用气囊的情况那样只缓冲对撞击力本身的爆发,而是在例如车翻滚时保护乘客,在这种翻滚过程期间,侧帘式气囊被充分地加压是重要的。在常规的驾驶员和乘客用气囊仅需要保持压力持续一瞬间的情况下,侧帘式气囊维持合适的压力持续数秒是期望的。类似的应用存在于其中期望加压织物结构以将一定的气压维持相对延长的时间的情况,例如在飞机或充气艇紧急降落时。因此,存在对这样的涂层织物的需求:在由硅酮橡胶涂层提供的少的涂布重量下具有柔性和耐高温但仍具有改进的气密性的益处。
通过下面的实施例阐述了本发明,其中除非另外指明,份和百分比指按重量计。
实施例1
将通过非离子型表面活性剂稳定化的脂族聚氨酯水分散体与通过非离子型表面活性剂稳定化的PTFE粉末的水分散体混合,并且然后与滑石、三水合铝、润湿剂和增粘剂混合,以形成包含以下的防粘连涂层组合物:50份水、44份PTFE、3.0份氨基甲酸酯聚合物、3.0份(叔辛基苯氧基)聚乙氧基乙醇非离子型表面活性剂、2.0份1,1,1,3,5,5,5-七甲基-3-聚乙氧基丙基-三硅氧烷润湿剂、1.0份环氧硅烷增粘剂、10份滑石和20份三水合铝。
通过凹版辊涂将实施例1的防粘连涂层组合物应用于涂布有以下所述的涂层的纺织尼龙气囊织物的涂布的表面:由Spartanburg,SC的Milliken &Co.以商品名Patina销售并且被认为包含与乙烯醋酸乙烯酯共聚物共混的氨基甲酸酯聚合物且被固化的混杂氨基甲酸酯树脂。在140℃下热固化防粘连涂层。在不同的实验中,以如表1示出的不同的涂布重量来应用防粘连涂层。
在粘连试验中对顶面涂布有实施例1的防粘连涂层的织物和不具有顶涂层的三个对照样品进行了测试,在粘连试验中,将50mm x 50mm涂层织物面对面放置并且施加20lb(9kg)重量,同时使织物在110℃下保持4小时。在该段时间结束时,将50g力施加于一个织物的角。如果织物在60秒内未分开,它们被评为是粘连的。如果织物在60秒内分开,则它们通过粘连试验(在表1中评为IS)。
还在燃烧试验中对顶面涂布有实施例1的防粘连涂层的织物和不具有顶涂层的三个对照样品进行了测试,在燃烧试验中,将火焰应用于织物的边缘并且测量燃烧距离和燃烧时间。所有织物样品均自动灭火(SE),大多数在移除火焰时立即自动灭火。
表1

Claims (12)

1.一种气囊,其具有包含有机树脂的固化的涂层,其中,所述气囊顶面涂布有防粘连涂层,所述防粘连涂层包含至少一种分散在有机聚合物粘合剂中的固体润滑剂,其特征在于,分散的所述固体润滑剂包括含氟聚合物和滑石。
2.根据权利要求1所述的气囊,其特征在于,分散的所述固体润滑剂包括聚四氟乙烯和滑石。
3.根据权利要求1所述的气囊,其特征在于,所述固体润滑剂分散在聚氨酯粘合剂中。
4.根据权利要求1所述的气囊,其特征在于,所述防粘连涂层包含基于干重3%至85%的固体润滑剂。
5.根据权利要求1所述的气囊,其特征在于,所述防粘连涂层含有按重量计5%至55%的作为阻燃剂的三水合铝。
6.根据权利要求1所述的气囊,其特征在于,所述防粘连涂层的涂布重量为基于干涂层的重量1g/m2至15g/m2
7.根据权利要求1所述的气囊,其特征在于,所述防粘连涂层含有润湿剂,所述润湿剂包含具有1-3个烷基聚(乙烯氧基)硅氧烷基团(i)和1至4个烷基-硅氧烷基团(ii)的硅氧烷聚醚。
8.一种用于涂布气囊或气囊织物的方法,其中所述的囊或织物涂布有有机树脂组合物,其特征在于,用包含分散的固体润滑剂的水分散体的防粘连涂层组合物顶面涂布所述气囊,所述分散的固体润滑剂包含固体含氟聚合物和滑石。
9.根据权利要求8所述的方法,其特征在于,所述防粘连涂层组合物包括所述固体含氟聚合物和滑石在有机聚合物粘合剂的水分散体中的分散体。
10.根据权利要求8或9所述的方法,其特征在于,所述有机树脂底涂层包括氨基甲酸酯聚合物。
11.根据权利要求10所述的方法,其特征在于,所述有机树脂底涂层包括与丙烯酸树脂或乙烯基树脂共混的氨基甲酸酯聚合物的混杂树脂,其中所述混杂树脂中的至少一种组分具有20℃或更低的玻璃化转变温度。
12.包含分散在有机聚合物粘合剂中的固体含氟聚合物和滑石润滑剂的防粘连涂层作为用于涂布有有机树脂组合物的气囊的顶涂层的用途。
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