CN101563201A - 具有至少一玻璃层的多层层压材料 - Google Patents

具有至少一玻璃层的多层层压材料 Download PDF

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CN101563201A
CN101563201A CNA2007800473060A CN200780047306A CN101563201A CN 101563201 A CN101563201 A CN 101563201A CN A2007800473060 A CNA2007800473060 A CN A2007800473060A CN 200780047306 A CN200780047306 A CN 200780047306A CN 101563201 A CN101563201 A CN 101563201A
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layer
glass
basalis
laminates
layer laminates
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CN101563201B (zh
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K·米勒
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Basell Poliolefine Italia SRL
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Basell Poliolefine Italia SRL
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    • B29C45/14778Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
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    • C03C17/328Polyolefins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10Homopolymers or copolymers of propene
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    • C08L23/142Copolymers of propene at least partially crystalline copolymers of propene with other olefins
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Abstract

一种多层层压材料,其包括至少一层玻璃并且其具有改进的热稳定性,特征在于其包括塑料、金属或塑料和金属的组合的下基底层,排列在其上并且包括柔软材料或包括热塑性塑料的中间层,包括塑料的进一步的纤维中间层,其具有无溶剂粘合剂材料,和玻璃顶层。多层层压材料适于在电气、电子或汽车工业的领域中安装玻璃元件并且适用于其它工业应用。

Description

具有至少一玻璃层的多层层压材料
本发明涉及新的多层层压材料,其包括至少一层玻璃并且其对应力或变形差不敏感,后者通常在温度变化的情况中发生。这样的应力或变形差通常导致在玻璃层上的相当大的负荷,特别地在其中玻璃直接与其它材料接触的区域中,直到毁坏发生,除非采取有效的对策。
本发明此外涉及一种制备这种多层层压材料的方法和其用于制备电气、电子或汽车工业用的零件和用于其它工业应用的用途。
在现有技术中已知的并且由彼此牢固结合的不同材料组成的许多层压材料具有以下缺点,特别地在一侧上不同材料彼此结合,例如将金属或塑料(无论是热塑性还是热固性类型)到玻璃的情况,温度变化导致应力效应,其最终导致在玻璃层上的高机械负荷,直到其断裂。层压材料的毁坏的危险以非常不利的方式影响了这样的材料用于预定目的,特别地当层压材料经受温度变化时,或者甚至使其变得完全不可能。
对于许多工业应用而言,例如在汽车工业中或在电气工业中,因而仍存在对于多层层压物的迫切需要,所述多层层压物包括至少一种玻璃层并且然而在宽范围内对温度变化不敏感,其还不含溶剂,其具有高机械强度以及高结合强度,以及其另一方面还可以容易且经济地进行制备。这样的层压物的特别的应用是在汽车中的玻璃窗户的外边缘,其中玻璃通过框架与车身进行固定。
因此,本发明的目的在于制备一种多层层压物,其包括至少一种玻璃层并且耐受温度变化,其在宽温度范围和长持续时间内保持了这种耐受性且其也满足工业关于机械性能和环境友好处理的可能性的其它期望。
这种目的是通过一种多层层压材料获得的,该多层层压材料不含溶剂并且其包括塑料或金属的下基底层,排列在其上并且包括柔软材料或包括热塑性塑料的中间层,包括塑料、具有粘合剂材料的其它纤维中间层,和玻璃顶层。
具有这种组成的根据本发明的多层层压物令人惊讶地显示出没有丝毫的应力迹象,如开裂或碎片,即使在多达40天的持续时间内反复暴露于约150℃的温度后。在本发明的优选实施方案中,层压物在其外缘以框架的形式包围玻璃层。
下基底层可包括热塑性塑料或热固性塑料。或者,其还可由金属组成或者可以是塑料和金属的组合。
塑料的下基底层可包括在每种情况下基于下基底层的重量的1-60wt%,优选地5-50wt%,特别优选地10-40wt%的增强填料。这种增强填料的实例为硫酸钡、氢氧化镁、滑石(根据DIN 66 115测量,具有在范围0.1至10μm的平均粒度)、木材、亚麻、白垩、玻璃纤维、涂层玻璃纤维、短玻璃纤维或长玻璃纤维、玻璃珠粒或这些材料的混合物。此外,下基底层可包括,在各自情况下有利数量的,其它添加剂,诸如光稳定剂、UV稳定剂和热稳定剂、颜料、炭黑、润滑剂和加工助剂、耐焰剂、发泡剂等。
根据本发明,有利地使用下列材料作为热塑性聚合物:聚丙烯(PP),聚乙烯(PE),聚氯乙烯(PVC),聚砜,聚醚酮,聚酯,诸如聚对苯二甲酸乙二醇酯、聚对苯二甲酸丁二醇酯或聚萘二甲酸亚烷基二醇酯(polyalkylene naphthalate),聚环烯烃;聚丙烯酸酯,聚甲基丙烯酸酯,聚酰胺,诸如聚-ε-己内酰胺或聚己二酰己二胺(polyhexamethylenadipamide)或聚癸二酰己二胺(polyhexamethylene-sebacamide),聚碳酸酯,聚氨酯,聚缩醛,诸如聚甲醛(POM)或聚苯乙烯(PS)。在原则上,均聚物和共聚物适合用作热塑性聚合物。在本文中特别值得一提的是,丙烯与乙烯或者乙烯或丙烯与具有4至10个碳原子的其它烯烃的共聚物,或者苯乙烯与较小比例的丁二烯、α-甲基苯乙烯、丙烯腈、乙烯基咔唑或者丙烯酸、甲基丙烯酸或衣康酸的酯的共聚物或三元共聚物。为了改进其制备的成本效益,根据本发明的多层层压材料的下基底层还可包括基于下基底层的总重量高达60wt%的量的呈再循环形式的所述聚合物。
根据本发明,术语聚甲醛(POM)被理解为表示醛,诸如甲醛或乙醛,但优选地为环状缩醛的均聚物以及共聚物。对于POM,其特征在于重复的碳氧键总是代表分子链的外观。POM的熔体流动指数(MI)通常在5至50g/10min的范围,优选地在5至30g/10min的范围,该熔体流动指数根据ISO 1133在230℃的温度和2.16kg的负荷下测量。
如果聚酯用于根据本发明的多层层压材料的下基底层,那么对于此目的而言,聚对苯二甲酸乙二醇酯(PET)或聚对苯二甲酸丁二醇酯(PBT)是优选的。二者分别为对苯二甲酸与乙二醇和丁二醇的高分子量酯化产物。根据本发明,特别适合的聚酯具有在5至50g/10min,优选地5至30g/10min范围的MI,该MI根据DIN 1133在230℃的温度和2.16kg的负荷下测量。
多层层压材料的下基底层的适合的苯乙烯的共聚物特别地为包括至多45wt%,优选地包括至多20wt%的以聚合单元形式结合的丙烯腈的共聚物。这种共聚物典型地具有在1至25g/10min,优选地4至20g/10min范围的MI,该MI根据DIN 1133在230℃的温度和2.16kg的负荷下测量。
另外的苯乙烯的三元共聚物包括至多35wt%,特别地至多20wt%的以聚合单元形式结合的丙烯腈和至多35wt%,优选地至多30wt%的丁二烯。这种三元共聚物也简称为ABS且典型地具有1至40g/10min,优选地2至30g/10min范围的MI,该MI根据DIN 1133在230℃的温度和2.16kg的负荷下测量。
此外,作为用于根据本发明的多层层压材料的下基底层的另外的热塑性聚合物,特别地使用聚烯烃,诸如PE和PP,其中特别优选地使用PP。根据本发明,PP被理解为表示丙烯的均聚物以及共聚物。共聚物包括较少量的可与丙烯共聚的单体,如具有2或4至8个碳原子的1-烯烃。如果需要的话,也可使用两种或更多种共聚单体。
丙烯的均聚物或丙烯与至多50wt%的具有至多8个碳原子的另外的1-烯烃的共聚物将作为特别适合于多层层压材料的下基底层的热塑性聚合物被提及。这种共聚物通常为无规共聚物,但也可为嵌段共聚物。
用于制备PP的聚合反应通常可在悬浮体中或在气相中且在齐格勒-纳塔催化剂系统存在下在1至100巴(0.1至10MPa)的压力下进行。优选的催化剂系统为下面这样的催化剂系统:除了含钛固体组分外,其还包括以有机铝化合物和电子供体化合物形式的助催化剂。
齐格勒-纳塔催化剂系统通常包括含钛固体组分,特别地为三价或四价钛的卤化物或醇化物,以及含卤素的镁化合物、作为载体材料的无机氧化物(诸如硅胶)和电子供体化合物。特别地,羧酸衍生物或酮、醚、醇或有机硅化合物可作为电子供体化合物被提及。
含钛固体组分可通过已知方法制备。其优选地通过在DE 195 29240中更详细地描述的方法来制备。
此外,除了三烷基铝之外,适合于齐格勒-纳塔催化剂系统的助催化剂为其中烷基被烷氧基或卤素原子(诸如氯或溴)置换的那些化合物。烷基可相同或不同。直链或者支链烷基也是合适的。根据本发明,优选使用其中烷基包括1至8个碳原子的三烷基铝化合物,例如三乙基铝、三异丁基铝、三辛基铝或甲基二乙基铝或其混合物。
但是,PP的制备也可在茂金属作为催化剂存在的情况下进行。茂金属被理解为表示具有层结构且包括来自元素周期表副族(subgroup)的金属加上有机(优选地芳族)配体的络合物。对于其制备PP的用途,茂金属络合物适宜地被施加到载体材料。也被用于制备齐格勒-纳塔催化剂中含钛固体组分的无机氧化物已被证明可用作载体材料。
通常使用的茂金属包括钛、锆或铪作为中心原子,其中锆是优选的。中心原子经由π键连接到由环戊二烯基实例化的至少一个π系统。在绝大多数情况下,环戊二烯基具备另外的取代基,可通过另外的取代基来控制催化剂的活性。优选的茂金属包括中心原子,其经由两个相同或不同的π键而键结到两个π系统,这两个π系统同时也可为相应的杂芳族系统的部分。
在原则上,可将中性茂金属转变成阳离子且可使其稳定的任何化合物适合用作茂金属的助催化剂。此外,助催化剂或由其形成的阴离子不应经历与所形成的茂金属阳离子(metallocenium cation)的任何进一步反应,这在EP 427 697中进行了阐述。优选使用的助催化剂为铝化合物和/或硼化合物。
硼化合物优选地具有式R18 xNH4-xBR19 4、R18 xPH4-xBR19 4、R18 3CBR19 4或BR19 3,其中x为1至4的数,优选地为3,基团R18相同或不同,优选地相同,且为C1-C10-烷基或C6-C18-芳基,或者两个基团R18与连接它们的原子一起形成环,且基团R19相同或不同,优选地相同,且为C6-C18-芳基,其可被烷基、卤代烷基或氟取代。特别地,R18为乙基、丙基、丁基或苯基,且R19为苯基、五氟苯基、3,5-双三氟甲基苯基、2,4,6-三甲苯基、二甲苯基或甲苯基。作为茂金属的助催化剂的硼化合物在EP 426 638中描述。
优选使用的助催化剂为铝化合物,诸如铝氧烷和/或烷基铝。
特别优选使用的助催化剂是铝氧烷,特别地为直链型或环型,也可能有机基团出现于两种化合物中,有机基团相同或不同且可为氢或C1-C20-烃基,诸如C1-C18-烷基、C6-C18-芳基或苄基。
根据本发明的多层层压材料的下基底层可以不同厚度和大小的注射模塑、挤压或压制片材的形式存在。下基底层的优选层厚度在0.5至10mm的范围,特别优选地在1至5mm的范围。
然而,下基底层也可由金属组成。纯金属以及金属合金有利地用作该金属。合适金属的实例为铁、铬、镍、铜、铝、黄铜、锌、锡、银和金。
下基底层还可以是塑料和金属的组合,例如,包括不锈钢的金属板(其优选地为大约0.2mm厚)可与大约30g/m2量的粘合剂薄膜(热熔体)和包括茂金属聚合物的薄膜或者片材在20巴的压力下在160℃的温度在双带压机(例如,购自Hymmen)中且以4m/min的处理速度层压在一起。包括热塑性塑料或包括热固性塑料的片材还可以在减压通过蒸发沉积(vapodeposition)而具有金属例如铝的薄层,其导致特定的光学效应。
根据本发明,柔软材料的中间层排列在下基底层上。特别地,弹性体用作柔软材料。原则上,术语弹性体覆盖了那些合成和天然塑料,其在室温下具有橡胶弹性性能,即,由于压力或张力,在机械作用下,其最初屈服(yield),并且随后,当消除该机械作用时,又回弹到其开始位置。弹性体的这种特别性能是沿其纵向伸长方向在某些区域中的分子链的不同机动性的结果,因此是一种物理状态的温度依赖性的描述,用于所述物理状态的玻璃化转变温度Tg用作所测量的变量。弹性体通常的玻璃化转变温度Tg低于0℃。
特别地,适合于根据本发明的多层层压材料的柔性材料包括结晶聚合物部分和弹性体部分的混合物,其中结晶部分以大约5-25wt%的量存在且弹性体部分以大约75-92wt%的量存在,二者均以混合物的总重量来计算。
混合物的结晶部分包括丙烯均聚物,其在室温下在二甲苯中具有小于10wt%的溶解度,或者结晶部分包括丙烯与具有2或4至10个碳原子的其它直链或支链烯烃的共聚物,该共聚物包括至少85wt%的丙烯单元且该共聚物在室温下在二甲苯中具有小于15wt%的溶解度。
该混合物的弹性体部分包括乙烯与丙烯或CH2=CHR α-烯烃以及任选较少量的二烯的一种或多种弹性体共聚物,其中R为C2-C8烷基基团,或者乙烯与丙烯和所述α-烯烃以及任选较少量的二烯的共聚物,所述共聚物包含50wt%或更多的在室温下可溶于二甲苯中的部分。
适用于根据本发明的多层层压材料的柔性材料特别地具有低于60MPa的弯曲模量和低于90的肖氏A(Shore A)硬度。
特别地,包括如上文所述混合物的适用于根据本发明的多层层压材料的柔性材料可以商标名称SOFTELL在市场上购买到。优选合适的柔性材料具有在15至50MPa范围的优选弯曲模量和在60至80范围的肖氏A硬度以及约小于-18℃,优选地-20℃或更低的玻璃化转变温度Tg。
测量方法:
在135℃下在四氢萘中测定特性粘数(intrinsic viscosity)。
在下列条件下利用Polymer Laboratories的动态力学测量DMTA的装置来测定弯曲模量和玻璃化转变温度Tg:
频率量度:1Hz;
扫描温度:2K/min。
待分析的聚合物样品由取自片材的40×10×1mm块组成,该片材通过以下方法获得:在10吨的压力,200℃的温度下,利用Carver压机加压模塑10分钟的时间,随后以100K/min冷却。
通过ASTM D 2240来测定肖氏A硬度。
通过在搅动下在135℃温度在250ml二甲苯中溶解2.5g的聚合物来测定在室温下的溶解度,单位为wt%,其中室温表示约25℃。在20分钟后,溶液在搅拌下冷却到25℃,之后,允许其静置30分钟的时间。然后,利用滤纸来过滤沉淀物,在氮气下蒸发溶液且残余物在80℃在真空下干燥,直到达到恒定重量。之后,计算可溶于二甲苯中的聚合物的重量百分数。
热塑性聚合物的纤维中间层适宜地具有10至200g/m2范围的单位面积重量且具有5至200g/m2量的无溶剂粘合剂。根据本发明,与纯粘合剂薄膜相比,其增加粘合剂强度或结合强度大约35%。织造织物或缠结纤维网或毡状纤维层可便利地用作纤维中间层。
在原则上,已描述适合和特别适合于下基底层的所有材料可被用作纤维中间层的热塑性材料。优选使用PP作为热塑性材料,所述PP是在茂金属作为催化剂存在的情况下制备的且其具有在10至60g/10min范围的MI,根据DIN 1133在230℃的温度,在2.16kg的负荷下测量的。
纤维中间层的层厚度优选地在0.01至4mm,特别优选地0.1至2mm,非常特别优选地为0.2至1mm的范围。
根据本发明,合成粘合剂用作无溶剂粘合剂,这种合成粘合剂在热作用下为液体但通常为固体且在技术语言上也被称作热熔体(hotmelt)。这种粘合剂的实例为基于共聚酰胺和改性聚丙烯的所谓的PU粘合剂。聚乙烯或非晶聚-α烯烃或乙烯/醋酸乙烯酯共聚物也可用作合适粘合剂的其他基础聚合物。粘合剂可另外包括抗氧化剂或UV稳定剂。另外,它们有时也具有一定比例的树脂,诸如松香、萜烯(terpene)或其它烃类树脂。
取决于使用领域,就在基础材料上的粘合性能、加工温度、热变形抗力、化学稳定性和硬度来选择粘合剂。热熔体粘合剂以颗粒形式、以粉末形式、以薄膜形式或以棒(也称为“蜡烛”)的形式提供。PA热熔体粘合剂部分地由可再生的原材料产生且在原则上是可堆肥的(compostable)。特别地对多孔材料(诸如织物、皮革、木材和织造纺织物)的粘合以及相对有利的价格使得相关粘合剂能广泛使用。
根据本发明的多层层压材料的顶层是玻璃层。原则上,全部类型的玻璃适于这种目的,但热稳定的玻璃是特别合适的。根据本发明的特别优选的玻璃是具有约98%的纯SiO2的化学组成的石英玻璃或向其中少量添加相应的添加剂以便形成硅酸钠或硅酸钙的石英玻璃,按次序地由此降低1700℃的石英玻璃的高熔点并且因此获得了可热变形且容易进一步加工的材料。此外合适的是这样的玻璃,其以JenaerGlas的名称由Schott开发并且其中钠和钙的氧化物在很大程度上被B2O3、Al2O3和BaO替代。这样的玻璃具有改进的耐化学性并且具有降低的膨胀系数。
根据本发明,包括少量的萤石(fluorite)、冰晶石(冰晶石)或硅氟化钠(sodium silicofluoride)并且因此具有稍白的不透明性但是却具有优良的半透明性的玻璃此外是合适的。根据本发明,在氢氟酸的帮助下蚀刻的或者通过喷砂鼓风机处理并且因此具有很强的光散射效应的磨砂玻璃还可是非常合适的。
本发明还涉及通过注射模塑技术来制备根据本发明的层压材料的方法。为了结合下基底层(其通常具有0.01至20mm范围的层厚度)和金属板以得到牢固粘合的层压物,在注射模塑技术中,用于下基底层的材料被引入到注射模具的一个半件(one half)中且玻璃层在一侧上与纤维中间层层压在一起并且将粘合剂薄膜引入到注射模具的另一个半件(other half)中。在封闭模具之后,以150至330℃范围内的温度且在5至2500巴(=0.5-250MPa)的压力在下基底层与玻璃层之间注射柔软材料(Softell)。模具两侧的温度通常为8至160℃。在所述的条件下注射柔软材料后,模具被冷却到周围温度。为此的冷却时间为0.01至5.0min。
根据另一方法变型,层厚度为0.02至3.0mm的现成的(prepared)层压物或单独片材(覆盖层、装饰纸、树脂)首先被放置在注射模塑室的一个半件中。与非织造物(约30g/m2;茂金属聚合物,
Figure A20078004730600121
)层压在一起的玻璃片材被引入到注射模塑室的另一个半件中。在封闭模具之后,然后以至少170℃的温度且至少50巴(5MPa)的压力在中间将柔软材料(例如Softell)注射到所述室中。
在层压玻璃片材的情况下,有可能采用其中玻璃片材首选被放入挤压模具中的程序。在周围边缘处,施加数量相当于约25g/m2的粘合剂薄膜,以及非织造物(例如Metocene织物;例如30g/m2)。玻璃片材和层压材料然后在至少2秒期间被保持在至少50-330℃的温度和至少5巴的压力。这样层压的玻璃片材已备用于形成至热塑性聚合物或至金属的联锁结合(interlocking bond)。
在挤压方法中,在原则上进行相同的方法。唯一的不同在于柔软材料(例如,Softell)在以层顺序引入的单独的层压材料和层压玻璃层之间以颗粒形式引入并且在两侧经受至少5巴的压力和至少100℃的挤压温度,且挤压时间为至少30秒。
实际上证明在注射冲压和转移模塑中相同的程序是突出的。
由于它们结构的原因,根据本发明的多层层压物是绝对平坦的,即使在40天期间内在<50℃的热负荷的情况下。柔软材料完全弥补了内应力的形成和在多层层压物中(特别地在边缘区域中)的不同材料的不同热膨胀系数的影响。柔软材料的中间层,其层厚度可以为0.02-10mm,完全吸收了塑料或者金属相对于玻璃的变形或收缩。
根据需要和要求,下文所述的工作实施例可改变。这意味着以联锁方式并且在完全没有毁坏的情况下,通常的塑料或金属可以被结合到玻璃。在表I中,根据本发明的实施例1-8的结果与最后的对比例的结果进行了比较。
实施例1:
玻璃-柔软材料-铝箔的结合
小心层压的玻璃片材(玻璃片材/粘合剂薄膜/非织造/织造织物;总厚度2mm)被置于注射模具的一侧中。层压的铝箔(铝箔/粘合剂薄膜/非织造-织造织物;总厚度0.4mm)被置于注射模具的另一个半件中。
在封闭模具后,在两层之间在180℃的温度下在100巴的注射压力下注射柔软材料。在10秒的冷却时间后,从模具中取出全部多层层压物。
结果显示了全部材料彼此的联锁结合。
实施例2:
玻璃-柔软材料-不锈钢箔的结合
将前述的层压的玻璃片材(玻璃片材/粘合剂薄膜/非织造-织造织物;总厚度2mm)置于注射模具的一侧中。层压的不锈钢箔(不锈钢箔/粘合剂薄膜/非织造-织造织物;总厚度0.3mm)被置于注射模具的另一个半件中。
在封闭模具后,在两层之间在200℃的温度下在120巴的注射压力下注射柔软材料(SOFTELL)。
在12秒的冷却时间后,从模具中取出全部多层层压物。结果显示了全部材料彼此的联锁结合。
实施例3:
玻璃-柔软材料-聚酰胺的结合
将前述的层压的玻璃片材(玻璃片材/粘合剂薄膜/非织造-织造织物;总厚度2mm)置于注射模具的一侧中。在封闭模具后,在第一步骤中将柔软材料(SOFTELL)注射到玻璃片材上。
在打开模具后,将织造织物(开口-孔;30g/m2)置于柔软材料的表面上,其后又封闭该模具。
其后,在240℃的温度下在100巴的压力下将聚酰胺(PA 66)注射到前述引入的织造织物上。在15秒的冷却时间后,从模具中取出全部多层层压物。
结果显示了全部材料彼此的联锁结合。
实施例4:
玻璃-柔软材料-聚酰胺/PU的结合
将前述的层压的玻璃片材(玻璃片材/粘合剂薄膜/非织造-织造织物;总厚度4mm)置于挤压模具的一侧中。柔软材料(SOFTELL),以薄膜的形式(厚度=0.5mm),置于围绕所层压的玻璃片材。
在封闭挤压模具后,在2巴的压力下将聚氨酯/PU引入到挤压室中。
在15秒的冷却时间后,从模具中取出全部多层层压物。结果显示了全部材料彼此的联锁结合。
实施例5:
玻璃-柔软材料-聚丙烯(填充/未填充/泡沫)的结合
将前述的层压的玻璃片材(玻璃片材/粘合剂薄膜/非织造/织造织物;总厚度3mm)置于注射模具的一侧中。将聚丙烯片材(厚度=3mm)置于另一个模具半件内。在封闭模具后,在所引入的玻璃片材和聚丙烯片材之间在120℃的温度下在50巴的压力下注射柔软材料。
在15秒的冷却时间后,从模具中取出全部多层层压物。结果显示了全部材料彼此的联锁结合。
实施例6:
玻璃-柔软材料-铜箔的结合
将前述的层压的玻璃片材(玻璃片材/粘合剂薄膜/非织造-织造织物;总厚度3mm)置于注射模具的一侧中。
层压的铜箔(铜箔/粘合剂薄膜/非织造-织造织物;总厚度0.3mm)被置于注射模具的另一个半件中。
在封闭模具后,在两层之间在180℃的温度下在80巴的注射压力下注射柔软材料(SOFTELL)。
在10秒的冷却时间后,从模具中取出全部多层层压物。结果显示了全部材料彼此的联锁结合。
实施例7:
玻璃-聚酰胺(PA)-铝箔的结合
将预先小心层压的玻璃片材(玻璃片材/粘合剂薄膜/非织造-织造织物:总厚度3mm)置于注射模具的一侧中。
先前的层压的铝箔(铝箔/粘合剂薄膜/非织造-织造织物;总厚度约0.5mm)被置于模具的另一侧中。
在封闭模具后,在两层之间在260℃的温度下在120巴的注射压力下注射聚酰胺(PA 66)。
在15秒的冷却时间后,从模具中取出多层层压物。结果显示了全部材料彼此的联锁结合。
实施例8:
玻璃-ABS-钢箔的结合
将前述的层压的玻璃片材(玻璃片材/粘合剂薄膜/非织造-织造织物;总厚度3mm)置于注射模具的一侧中。
将前述的层压的钢箔(钢箔/粘合剂薄膜/非织造-织造织物;总厚度2mm)置于注射模具的另一侧中。
在封闭模具后,在两层之间在240℃的温度下在100巴的注射压力下注射ABS。
在15秒的冷却时间后,从模具中取出多层层压物。结果显示了全部材料彼此的联锁结合。
对比例1:
结合:玻璃-底漆-PVC
将先前涂有底漆/粘合促进剂的玻璃边缘(glass edge)置于挤压模具中。其后,在180℃的温度下在85巴的压力下将PVC挤压到玻璃边缘上。
在15秒的冷却时间后,从模具中取出层压物。结果显示了材料彼此的联锁结合。
对比例2:
玻璃-底漆-TPE-底漆-铝箔的结合
将先前涂有底漆/粘合促进剂的玻璃边缘(glass edge)和以同样方式处理的铝箔在各自情况中置于挤压模具的一侧中。
然后在双层之间在200℃的温度下在80巴的压力下注射TPE。
在20秒的冷却时间后,从模具中取出层压物。结果显示了材料彼此的联锁结合。
全部实施例和对比例的结果在表中进行了彼此比较。
测试:
水储存:温度:90℃;持续时间:40天
温度存储:热空气150℃;持续时间:40天
剥离测试:角度:90°;力:15N
断裂伸长率:大于500%(柔软材料)
气味形成,在75℃(志愿实验室助手)
表:
水90°;40d 热空气150℃;40d 剥离测试90°∶15N 断裂伸长率500%
实施例1 ++ ++ ++ ++
实施例2 ++ ++ ++ ++
实施例3 ++ ++ ++ ++
实施例4 ++ ++ ++ ++
实施例5 ++ ++ ++ ++
实施例6 ++ ++ ++ ++
实施例7 ++ ++ ++ ++
实施例8 ++ ++ ++ ++
对比例1 -- --分层 + --
对比例2 + --分层 + --
解释:--=差
+=好
++=很好
由于断定(pronounced)的甲醛形成,两对比例中的任一个都没有通过气味等级测试。然而,实施例1-8显示出没有气味公害。

Claims (19)

1.一种多层层压材料,其包括至少一层玻璃并且其具有改进的热稳定性,其中所述层压材料包括塑料、金属或塑料和金属的组合的下基底层,排列在其上并且包括柔软材料或者包括热塑性塑料的中间层,包括塑料的进一步的纤维中间层,其具有粘合剂材料,和玻璃顶层。
2.根据权利要求1的多层层压材料,其中下基底层包括热塑性塑料或热固性塑料。
3.根据权利要求1或2的多层层压材料,其包括,作为用于下基底层的热塑性聚合物,聚丙烯(PP),聚乙烯(PE),聚氯乙烯(PVC),聚砜,聚醚酮,聚酯,如聚对苯二甲酸乙二醇酯,聚对苯二甲酸丁二醇酯或聚萘二甲酸亚烷基二醇酯,聚环烯烃,聚丙烯酸酯,聚甲基丙烯酸酯,聚酰胺,如聚-ε-己内酰胺或聚己二酰己二胺或聚癸二酰己二胺,聚碳酸酯,聚氨酯,聚缩醛,如聚甲醛(ROM),或聚苯乙烯(PS)或这些的共混物。
4.根据权利要求1-3中一项的或者根据权利要求1-3中多于一项的多层层压材料,其中下基底层的热塑性聚合物另外包括数量为1-60wt%,优选地5-50wt%,特别优选地10-40wt%,在各自情况下基于下基底层的重量,的增强填料。
5.根据权利要求4的多层层压材料,其中下基底层的热塑性聚合物包括,作为增强填料,硫酸钡、氢氧化镁、根据DIN66115测量的平均粒度为0.1至10μm的滑石、木材、亚麻、白垩、玻璃纤维、涂层玻璃纤维、短玻璃纤维或长玻璃纤维、玻璃珠粒或这些的混合物。
6.根据权利要求1-5中一项的或者根据权利要求1-5中多于一项的多层层压材料,其中下基底层是注射模塑或挤出或压制的片材,其层厚为1-10mm,优选地2-5mm。
7.根据权利要求1-6中一项的或者根据权利要求1-6中多于一项的多层层压材料,其中下基底层包括再循环塑料材料,其数量为至多60wt%,基于下基底层的总重量。
8.根据权利要求1-7中一项或多项的多层层压材料,其中中间层包括结晶聚合物部分和弹性体部分的混合物作为柔软材料,其中结晶部分以约5-25wt%的量存在,并且弹性体部分以约75-92wt%的量存在,二者均以混合物的总重量来计算,在室温下具有橡胶弹性性能且具有低于0℃的玻璃化转变温度Tg。
9.根据权利要求1-8中一项的或者根据权利要求1-8中多于一项的多层层压材料,其中热塑性聚合物的纤维中间层具有10至200g/m2范围的单位面积重量且具有5至200g/m2量的无溶剂粘合剂。
10.根据权利要求1-9中一项的或者根据权利要求1-9中多于一项的多层层压材料,其包括织造织物或缠结纤维网或毡状纤维层作为纤维中间层。
11.根据权利要求1-10中一项的或者根据权利要求1-10中多于一项的多层层压材料,其中所述纤维中间层包括聚丙烯作为热塑性材料,所述聚丙烯在茂金属作为催化剂存在的情况下制备且在230℃的温度和在2.16kg的负荷下根据DIN 1133测量,熔体流动指数MI(2.16/230℃)为10至60g/10min。
12.根据权利要求1-11中一项的或者根据权利要求1-11中多于一项的多层层压材料,其中纤维中间层的层厚度为0.01-4mm,优选地0.1至2mm,特别优选地0.2至1mm。
13.根据权利要求1-12中一项的或者根据权利要求1-12中多于一项的多层层压材料,其中所述纤维中间层包括合成粘合剂作为无溶剂粘合剂,所述合成粘合剂在热作用下为液体。
14.根据权利要求1-13中一项的或者根据权利要求1-13中多于一项的多层层压材料,其中顶层是耐高温的玻璃层。
15.一种用于制备根据权利要求1-14中一项的或者根据权利要求1-14中多于一项的多层层压材料的方法,其中,根据注射模塑技术,将用于下基底层的材料引入到注射模具的一个半件内,并且将顶层用玻璃引入到注射模具的另一个半件内,其中顶层用玻璃在至少一个表面上和在边缘处预先层压,并且其中,在封闭该模具之后,将柔软材料或热塑性塑料在150-330℃的温度和在5-2500巴(=0.5-250MPa)的压力下注射于下基底层与顶层之间。
16.根据权利要求15的方法,其中模具温度在两侧被设定为8-160℃。
17.根据权利要求15或16的方法,其中,在注射柔软材料之后,将模具冷却到周围温度,冷却时间为0.01至5.0min。
18.根据权利要求15-17中一项的或者根据权利要求15-17中多于一项的方法,其中使用注射冲压或转移模塑技术来代替注射模塑。
19.根据权利要求1-14中一项的或者根据权利要求1-14中多于一项的多层层压材料用于制备用于电气、电子或汽车工业的零件和用于其它工业应用,优选地用于在汽车中以框架的形式包围玻璃窗的外缘的用途。
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CN108778805A (zh) * 2016-02-16 2018-11-09 哈默玻璃制品公司 防护性挡风玻璃装置

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ES2554528T3 (es) 2015-12-21
EP2121271A1 (en) 2009-11-25
DE102006060459A1 (de) 2008-06-26
US20090311458A1 (en) 2009-12-17
EP2121271B1 (en) 2015-11-18
WO2008074430A1 (en) 2008-06-26
US9254594B2 (en) 2016-02-09

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