CN101351336A - 微带膜 - Google Patents
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- CN101351336A CN101351336A CNA2006800495597A CN200680049559A CN101351336A CN 101351336 A CN101351336 A CN 101351336A CN A2006800495597 A CNA2006800495597 A CN A2006800495597A CN 200680049559 A CN200680049559 A CN 200680049559A CN 101351336 A CN101351336 A CN 101351336A
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Abstract
本发明提供一种共挤压出的薄膜或薄膜层,其包括至少两个以交替并排的方式布置的区域组:主要由第一热塑性聚合物构成的第一区域组和主要由第二热塑性聚合物构成的第二区域组。这些并排的聚合物区域一般以连续的方式沿纵向延伸。所述薄膜或薄膜层具有第一面和第二面。在至少一面上,所述第一热塑性聚合物的一个所述区域在相邻的另一种热塑性聚合物区域(所述第二热塑性聚合物区域或第三热塑性聚合物区域)的行上桥接,在所述第一面上产生所述第一热塑性聚合物的连续层。所述相对面至少部分地包含所述另一种热塑性聚合物。所述第一热塑性聚合物的该桥接层在相对于纵向的横向上保持所述薄膜或薄膜层的完整性,而不需要使用相容剂或粘结层,并且允许在所述第二面上外露所述另一种热塑性聚合物。
Description
背景技术
本发明涉及一种薄膜,其具有由不同热塑性聚合物组成的相对紧密隔开的并排区域。
已有相当多的专利描述了具有热塑性材料并排区域的薄膜。此类薄膜通常被描述为以聚合物共挤出法构成。如果使用的聚合物紧密相容,使得它们可以在聚合物界面处形成较强的粘结,那么使用该方法是没有问题的。然而,很多热塑性聚合物的不同组合并不相容,或具有很小甚至没有相互粘附特性,对这样的组合使用共挤出法就会产生问题。如果这些热塑性聚合物组合以并排构型共挤压出,那么它们在聚合物界面处常常可以容易地分离,使得薄膜在横向(相对于挤出方向是横向)十分薄弱。美国专利No.6,211,483和6,669,887描述了与热塑性非弹性聚合物以并排的方式共挤压出的热塑性弹性体。为了增加两种不同类型聚合物之间的粘合强度,就应选择具体的聚合物对,其具有改善的相互粘附特性。具体地讲,据描述,四嵌段SEPSEP与端块增强树脂混合时,表现出对聚烯烃具有改善的粘合强度。还优选地使用相容剂。
美国专利公布No.2005/0060849 A1中也描述了并排型共挤出法。在该专利中,接头强度的问题尽管没有直接提出,但被认为是需要考虑的问题。通过以下说明单独处理该问题:如果存在相容性问题,那么应在聚合材料中添加相容性试剂,或者应使用粘结层,或者应将不相容聚合物的并排区域挤出至载体基底之上。在最后一种情况下,载体基底提供一定的强度,阻止并排层在其相互之间的界面处分离。
美国专利No.5,620,780、5,773,374和5,429,856描述了一种由非弹性材料完全包裹弹性材料芯的共挤压出的材料。这样即便有相容性问题,也可以创建弹性特性区和非弹性特性区,因为弹性材料以孤立体或连续带或股线的形式存在,而非弹性材料的连续相阻止了分离。
期望提供一种薄膜,其具有热塑性聚合物的并排区域,该薄膜可直接构成而不需要化学改性剂、附加的粘结层或支承体。具体地讲,期望构成一种薄膜,其具有弹性和非弹性材料的连续并排区域,所述区域可在挤出模内直接形成,并具有横向的弹性,在聚合物界面处有少量或没有剥离。
发明内容
本发明的共挤压出的薄膜或薄膜层包括至少两组以交替并排的方式布置的区域,第一组区域主要由第一热塑性聚合物构成,并且第二组区域主要由第二热塑性聚合物构成。这些并排的聚合物区域一般以连续的方式在纵向延伸。薄膜或薄膜层具有第一面和第二面。在至少一面上,第一热塑性聚合物的一个区域在相邻的另一种热塑性聚合物区域(所述第二热塑性聚合物区域或第三热塑性聚合物区域)的行上桥接,在第一面上产生第一热塑性聚合物的连续层。相对面至少部分地包含其他热塑性聚合物。第一热塑性聚合物的该桥接层在相对于纵向的横向上保持薄膜或薄膜层的完整性,而不需要使用相容剂或粘结层,并且允许在第二面上外露其他热塑性聚合物区域。
附图说明
图1为用于制造本发明材料的挤出装置的示意图。
图1a为在图1的挤出装置中使用的具有模具镶块的挤出模的示意图。
图2为从镶块出口方向观察到的用于本发明的模具镶块的透视图。
图3为从镶块入口方向观察到的用于本发明的模具镶块的透视图。
图4为根据本发明实施的双层并排共挤压出的薄膜的剖视图。
图5为图4中根据本发明实施的并排共挤压出的薄膜的剖视图,其具有附连的非织造层。
图6为根据本发明实施的另一个实施例的三层并排共挤压出的薄膜的剖视图。
具体实施方式
图1中示意性地示出了一种挤出装置,在用于形成本发明的共挤压出的薄膜(在此所用的术语“薄膜”还可以指多层薄膜中的薄膜层)的方法中使用该装置。图1a中示出了图1中挤出装置的模具1。一般来讲,用于构成本发明薄膜的方法包括首先挤出初始多层熔融流体,其沿着预定的流体通道F流经模具镶块2,例如图2和图3中示出的模具镶块2。预定的流体通道F优选的是沿流体通道的某些部分一维和连续的。一维是指熔融流体可以为任意的一维线性形状,例如直线,但是也可以为曲线,曲线可以弯曲与自身相交和形成椭圆或圆形(如环形模具)。
如图1所示,熔融流体从传统的挤出机8和9输送至具有至少一个模具镶块2的模具1中,其中模具镶块具有异形的非直线进口4,流体通道在流体通道中心线两边的一系列峰11和峰12之间的流体通道有规则或无规则地起伏。非直线是指模具镶块进口4在整体上是除矩形形状以外的形式,然而,模具进口的部分可以采用直线形式。模具镶块进口4中断至少部分导入的初始熔融流体,并改变被中断的熔融流体部分的方向,使其从预定的初始熔融流体的流体通道形状变为一个(或多个)由模具镶块进口4所限定的流体通道形状。然后,被中断并被重定向的熔融流体在模具镶块2中汇聚成总汇聚流体通道,该通道从模具镶块进口4处的异形形状到模具镶块出口5由模具镶块限定。汇聚的熔融流体通道在模具镶块出口5处在形状上可以与最初的预定熔融流体通道(如矩形或一维形状)相似。该方法所采用的模具镶块2导致初始熔融流体在横向上至少部分地重新分布,使导入的多层聚合物熔融流体中的一层或多层产生并排式的重新分布。模具镶块出口处的熔融流体随后被挤出成制品,例如薄膜等。熔融流体是指牛顿流体或粘弹性流体,其能够在模具的出口处挤出并固化。该材料可以是也可以不是熔融相。
上述实施例中示出的镶块为位于模具中的独立元件。镶块也可以与其中的模具和/或送料区块形成整体,只要其具有所述的特征。术语“镶块”用于标识任何提供异形入口和其他所述特征的结构,而不用考虑该结构是在模具、送料区块或其他部件中。
可通过任何传统方法形成多层熔融流体。共挤压出的多层熔融流体一般具有结构化的布置方式,例如传统的由厚度基本不变的层组成的分层多层流体,然而,根据模具和/或送料区块的设计和/或因为聚合物流变特性的差异,层的厚度也可以规则地或随机地变化。已知的多层挤出工艺包括美国专利No.5,501,675、5,462,708、5,354,597以及5,344,691中公开的工艺,这些专利的内容基本上以引用的方式并入本文。这些参考文献提出了多种形式的多层弹性体层压材料,其具有至少一个弹性层和一个或两个相对来说非弹性的层。然而,利用这些已知的多层共挤出技术,多层薄膜也可由两个或多个弹性层、或者两个或多个非弹性层,或者其任意组合构成。
熔融流体在镶块入口处被重定向或重新分配,并且在镶块内按照镶块的轮廓,从其初始非线性或非直线的流体通道形状(在指定点处的流体通道或模具腔体的横截面形状)变成基本上线性程度更高或更接近直线的流体通道形状,和/或与初始预定材料的流体通道形状相类似的流体通道形状。构成一层或多层前体熔融流体的聚合物,至少在相对于初始预定材料流体通道或形状的横向上被重新分配或重定向。重定向的流体至少部分地是通过在镶块入口处阻断或中断熔融流体的一部分而造成的。被阻断的熔融流体沿着镶块内的流体通道汇聚成结构化程度更低的形状,该形状可与最初的熔融流体通道的形状类似,如矩形镶块开口等,其中至少一部分单层或部分初始熔融流体已在不同的区或区域分配为不同的比例,例如从模具镶块出口露出的挤出材料或薄膜的宽度方向或横向上。在镶块被设置为更靠近送料区块或设置在送料区块中,聚合物熔融流体通道形状被拉长为薄膜状结构的程度就更低,并且具有更大的高宽比。这样将产生相对较大的被镶块重新分配的聚合物熔融区。镶块越靠近模具出口处,导入的聚合物熔融流体通道形状被拉长为具有更小高宽比的薄膜状结构的程度就越高。该点处的镶块将重新分配导入的聚合物熔融流体的较小部分。这两种类型的镶块可以组合,以使得同一个熔融流体既可以进行大尺寸的聚合物重新分布,也可进行较小尺寸的聚合物重新分布。
如图1a所示,镶块2可以容易地安装到传统模具中(例如衣架式模具)。如图2和图3所示,如果模具镶块由多个不可拆卸的部件(例如第一哈夫和第二哈夫6和7)构成,镶块2一般易于拆除、替换和清洗。为了方便维护和重新组装,该模具镶块可容易地取下并进行清洗。使用多个模具部件构成模具镶块还允许通过传统方法(例如电火花线切割加工)构成更复杂的流动通道。虽然示出的是两件式模具镶块,但是多件式模具镶块也可能允许在装配的模具镶块中构成更复杂的流动通道或流体通道。模具镶块也可完全或部分地与模具的其他部分一起构成。然而,优选的是,模具镶块内的流体通道基本上是连续的和汇聚的,以使得流体通道在模具内至少部分以线性变化逐渐变细。
镶块进口(或其部分)也可通过参数比来表征,该参数比为部分镶块进口与对等的矩形模具镶块开口(具有相同的长度L和相等的平均宽度尺寸P的开口)的周长比。本发明镶块入口开口与对等的矩形镶块进口的周长比可介于1.1到10之间,或大于1.1或1.5或2.3,但一般小于8或5。具有更大周长或周长比的结构被视为结构化程度更高的开口。采用结构化程度更高的开口,导入的初始熔融流体(例如多层或多组分流体)一般就会产生更为引人注目的熔融流体重新分布。一般来讲,这是因为对给定的被中断的流体通道,有更多可能的、可供选择的流体通道。然而,如果周长比很大而封闭区域(例如区域X中没有模具开口的区域)相对较小时,只有很少的熔融物被显著地重新分布。更多的封闭区域(敞开区域百分较低)将使导入的熔融流体的至少一些部分产生更为引人注目的重新分布,尤其是在与高度结构化的连续开口或不连续开口连通时。
一般来讲,某些一层或两层的热塑性材料在熔融流体中的给定点处被迫转入可供选择的流体通道。采用高度结构化的开口时,由峰11和峰12界定的区域中唯一的可能流体通道具有更大的变化。从主流体通道衍生出很多可能的流体通道时,可以更容易地分流热塑性材料。对给定的镶块开口,它被定义为流体通道偏差系数,与共同未决的专利申请11/02618(提交于2004年12月30日)中定义的流体通道偏差系数相同,该专利申请全文以引用的方式并入本文。该偏差系数一般大于0.2,或大于0.5,最大可为2或3,然而还可以有更大的偏差系数。具有较大的偏差系数时,在顶部边界18和底部边界19之间,将会有更多间开的、可能的流体通道。模具镶块的出口也可有偏差系数,但优选地远小于相应的入口。出口的偏差系数一般比入口至少小50%或80%。出口的偏差系数可以为零,以使得提供的流体重新分布最大化,并产生平的异形薄膜或熔融流体。
一般来讲,镶块从进口到镶块出口以基本连续的方式逐渐变细。镶块内可供选择的逐渐变细的通道也是可能的,例如其流体通道的某些部分向外逐渐变细的通道,或者在模具镶块入口和出口之间按阶梯函数变化的锥体。
镶块进口的敞开区通常大于镶块出口的敞开区,其中入口与出口的参数比为从0.9到10或1到5不等。虽然入口区可能小于出口区,但是这将产生更高的背压和更厚的薄膜结构。
如前所述,熔融流体层一般沿着最短的流体通道(由出口宽度Z决定)流动到进口,所述流体通道对最高的熔融流体层一般为峰11,对最低的熔融流体层一般为峰12。一般来讲,对聚合物熔融流的任何给定部分,该材料将趋于流至由入口4提供的最近开口。
图4示出由本发明所述方法构成的并排薄膜。最高的熔融流体层(未示出)构成薄膜层109,其在模具开口的峰11中重新分布以构成区域组109’。较低的聚合物熔融流体层(未示出)重新分布以构成区域组108。区域108和109’并排布置并且薄膜层109聚合物材料的桥接薄膜层109″与相邻区域109’桥接。区域109’之间的桥接薄膜层109″即使在并排界面107处没有形成良好的粘结,也可保持并排区域108和109’的结构完整性。即使桥接薄膜109″的厚度仅为0.25微米,也仍然具有这个作用。桥接薄膜109″和薄膜区域109’是连续的,并构成薄膜层109的连续表面105。相对的表面106由薄膜层109和聚合物区域108共同构成。桥接薄膜层109″的理想厚度为0.25微米到50微米或1.0微米到10微米,并且薄膜总厚度可以是15微米到500微米或50到250微米。第一区域和第二区域的宽度一般可以是0.1到10mm或1.0到5mm。
桥接薄膜层109″在流体重新分布过程中产生。构成并排区域的其中一个或另一个最外侧熔融流体层,或者两个最外侧熔融流体层,不是完全重新分布到模具镶块(例如图2和图3中最近的峰11或峰12)一侧上最近的流体通道中,而是在模具镶块的相对一侧(例如图2和图3中相对的峰11或峰12)重新分布。据信,这是因为热塑性材料的熔融强度造成的。一般非常薄的桥接薄膜自身不具备较高的强度。然而,这个薄的桥接区域在横向、作为一个整体,出人意料地为并排薄膜结构提供了效果显著的强度。
熔融层一般沿着挤出物伸出部的宽度方向分配,使得两个(或多个)熔融流体层的比例在整个挤出物宽度方向上变化。在本发明的双层实施例中,这种变化使得材料几乎完全分配,并且至少一个薄膜层在相邻区域间构成较薄的桥接薄膜。具有三个或更多个熔融流体层时,至少一个薄膜层在挤出物的整个横向上的厚度一般会发生变化,并构成桥接薄膜层。薄膜层的厚度变化范围一般为挤出物总厚度的0-90%。任何薄膜层在挤出物的整个宽度(X方向)方向上的任意一点处,其厚度可以是挤出物总厚度的0-100%。薄膜层厚度变化范围(将最厚的区域与最薄的区域相比)一般为至少10%,或者为至少20%或至少50%。分配受前体熔融流体层的相对比值和镶块4的开口形状支配。如图2和图3所示,使用起伏规则的开口分配,可产生如图4或图5所示的薄膜(假设共挤压出的多层熔融流体在整个熔融流体中具有相对不变的层厚度)。图5为图4中的薄膜挤出物或层合到非织造层上。本发明薄膜的优点是,非织造层或其他层可以粘结在表面106上,该表面具有两种不同的、外露的聚合物区域,这两种外露的区域具有不同的粘结特性。例如,所述区域使一个区域与相邻区域(产生例如膨松有弹性的区与膨松度和弹性较低的区,或者可延展的区或延展性较差的区)相比,能与非织物等更好地粘结。
图6示出作为较大的多层薄膜210的一部分的本发明的并排薄膜。三层熔融流体(未示出)的中间层重新分配至峰12以构成区域组209’。最低的聚合物熔融流体层(未示出)也重新分配至峰12以构成区域组208。最高的聚合物熔融流体层(未示出)重新分配至峰11,构成第三区域组211。区域208、209’和211并排布置,并且薄膜层209聚合材料的薄桥接层209″与相邻区域211桥接。区域211之间的桥接薄膜层209″保持了并排界面207和207’的结构完整性。薄膜层209分别相对于两个区域组208和211,构成了两个连续的薄膜表面205和205’。薄膜表面206的相对面205由薄膜层209和区域208构成。薄膜表面202的相对面205’由薄膜层209和区域211构成。与图4中的两层实施例不同,该薄桥接层209″不在区域208上桥接,区域208仍保持其完整性;而是在第二区域组211上桥接,区域组211与桥接层209″组合防止区域208与区域209’分离。区域211通过区域209’和桥接区域209″被保持在一起。
适合制造本发明共挤压出的薄膜的聚合材料可包括热塑性树脂,所述热塑性树脂包含聚烯烃(如聚丙烯和聚乙烯),聚氯乙烯,聚苯乙烯,尼龙,聚酯(如聚对苯二甲酸乙二醇酯等),以及它们的共聚物和共混物。优选的是,树脂是聚丙烯、聚乙烯、聚乙烯-聚丙烯共聚物或其共混物。
非弹性层优选地由半结晶态或非晶态聚合物或共混物构成。非弹性层可以是主要由聚合物构成的聚烯烃,诸如聚乙烯、聚丙烯、聚丁烯或聚乙烯-聚丙烯共聚物。
可用于本发明所述共挤压出的薄膜的弹性聚合材料包括ABA嵌段共聚物、聚氨酯、聚烯烃弹性体、聚氨酯弹性体、茂金属聚烯烃弹性体、聚酰胺弹性体、乙烯-醋酸乙烯弹性体以及聚酯弹性体等。ABA嵌段共聚物弹性体通常为,其中A嵌段为聚乙烯基芳烃,优选的是聚苯乙烯;B嵌段为共轭双烯,具体地讲,是低级亚烷基双烯。A嵌段一般主要由单烯烃基芳烃组成,优选的是苯乙烯族化合物,最优选的是苯乙烯,其嵌段分子量分布在4,000和50,000之间。B嵌段一般主要由共轭双烯组成,其平均分子量在约5,000到500,000之间不等,其中B嵌段单体可进一步加氢或官能化。除了别的以外,A嵌段和B嵌段通常被构造为线性、放射状或星型构型,其中嵌段共聚物包括至少一个A嵌段和一个B嵌段,但优选地包括多个A和/或B嵌段,其嵌段可以是相同的,也可以是不同的。该类型的典型嵌段共聚物为线性ABA嵌段共聚物,其中A嵌段可以是相同的,也可以是不同的,或是主要具有A末端嵌段的多嵌段(具有超过三个嵌段的嵌段共聚物)共聚物。这些多嵌段共聚物也可包括一定比值的AB两嵌段共聚物。AB两嵌段共聚物趋向于构成更具粘性的弹性体薄膜层。其他弹性体可与嵌段共聚物弹性体相混合,前提条件是它们不会对弹性薄膜材料的弹性体特性产生不利影响。A嵌段也可由α-甲基苯乙烯、叔丁基苯乙烯和其他主要烷基苯乙烯,以及它们的混合物和共聚物构成。B嵌段一般可由异戊二烯、1,3-丁二烯或乙烯丁烯共聚物单体构成,然而优选的是异戊二烯或1,3-丁二烯。
在优选实施例中,至少一个层是弹性的且至少一个层是非弹性的,并构成有并排弹性区域组和非弹性区域组的薄膜或薄膜层。至少一个弹性区域和非弹性区域会构成桥接层。如图4和图5所示,这样会构成具有多个并排的弹性区域或非弹性区域的薄膜,至少一个表面105全部由一种弹性材料或非弹性材料构成,而其相对面106全部或部分由其他材料构成。这样允许在生成纵向和横向稳定的并排弹性薄膜时,薄膜的相对面具有不同的粘结系数和摩擦系数。本发明的并排薄膜实施例使弹性材料的性能最优化,同时在至少一个表面上提供具有优良粘结特性的非弹性材料薄膜。它还提供了一种薄膜,其在横向上非常有弹性,而在纵向上则是非弹性的,这使其可用于要求薄膜具有纵向尺寸稳定性的高速制造工艺和设备中。然而,所述薄膜可以用本领域中已知的方式在纵向拉伸激活,以构成纵向弹性薄膜。
在所有的实施例中,并排层可用于在薄膜的一个或两个方向上提供具体的功能或美学特性,例如弹性、柔软性、硬度、刚度、弯曲性、粗糙度、色彩、纹理以及图案等。
本发明所述薄膜可用于任何已知的挤出物、薄膜工艺或产品。例如,本发明薄膜可压印、层合、定向、对微复制表面浇注、发泡及挤出层合,或者换句话讲,可采用已知的与挤出物成形膜或薄膜层的相同方法对其进行调控和处理。
实例
实例1
使用与图1所示相似的设备制造共挤压出的纤维网。使用两台挤出机生产两层挤出物,其由第一“A”聚丙烯层和第二“B”弹性层组成。第一层用聚丙烯均聚物(99%3762,12MFI,可得自阿托菲纳公司(Atofina Inc.))和1%聚丙烯类红色母料制成。第二弹性层用70%KRATON G1657 SEBS嵌段共聚物(可得自科腾聚合物公司(KratonPolymers Inc.)(德克萨斯州休斯顿))和30%Engage 8200超低密度聚乙烯-ULDPE(可得自陶氏化学公司(Dow Chemical Co.)(密歇根州米德兰))的共混物制成。3.81cm单螺杆挤出机(70RPM)用来馈送第一层的3762聚丙烯;6.35cm单螺杆挤出机(10RPM)用来馈送第二层的KRATON/ULDPE共混物。两台挤出机的圆筒温度特征图大致相同:进料区为215℃,逐渐升高至圆筒末端的238℃。两台挤出机的A和B熔融流体馈送到ABC三层共挤压出的送料区块(可得自科洛伦公司(Cloeren Co.)(德克萨斯州奥伦奇))。未使用C层口。送料区块装配在20cm的模具上,该模具配备有与图2-3中所示相似的异形模唇。送料区块和模具保持在238℃。加工模唇,以使得两个相连的通道片段之间的角度为25度。图案的波长为1.25mm。在0.5mm的模隙设置下,图案的振幅为2.59mm。模唇厚度T为6.25mm。图案在此厚度T内,从异形过渡到平坦。由模唇成形后,对挤出物进行淬火并以10米/分钟的速度渐渐移过水箱,水温保持在大约45℃。将纤维网风干并收集到滚筒中。如图4中所示,由于两个熔融流体在整个挤出物宽度上的分配,所得纤维网具有并排型结构。弹性层109在相邻的弹性区域之间构成桥接薄膜109″。挤出的薄膜的定量为114克/平方米。
Claims (19)
1.一种共挤压出的薄膜,包括至少两个区域组,以交替并排的方式布置的第一区域组和至少第二区域组,所述第一区域组主要由第一热塑性聚合物构成,所述第二区域组主要由第二热塑性聚合物构成,所述薄膜的所述两个区域组具有第一面和第二面,所述第一热塑性聚合物的至少两个相邻区域被另一种热塑性聚合物区域的并排区域分开,以使得所述第一热塑性聚合物的至少两个相邻区域在所述另一种热塑性聚合物区域中以薄桥接层的形式存在,所述薄桥接层跨过所述另一种热塑性聚合物区域,在所述第一面上产生所述第一热塑性聚合物的连续层,其中所述相对的第二面至少部分地包含所述另一种热塑性聚合物。
2.根据权利要求1所述的共挤压出的薄膜,其中所述薄膜由两个区域构成,并且所述另一种热塑性聚合物区域为所述第二热塑性区域。
3.根据权利要求1所述的共挤压出的薄膜,其中所述薄膜为三层或更多层薄膜,其中所述另一种热塑性聚合物区域为第三区域组。
4.根据权利要求3所述的共挤压出的薄膜,其中所述第一聚合物跨过所述第二聚合物区域,构成所述薄桥接层。
5.根据权利要求1所述的共挤压出的薄膜,其中所述第一热塑性聚合物为热塑性弹性体。
6.根据权利要求5所述的共挤压出的薄膜,其中所述另一种热塑性聚合物为非弹性的,并且所述第二热塑性聚合物为弹性体。
7.根据权利要求2所述的共挤压出的薄膜,其中所述第一热塑性聚合物为非弹性的,并且所述第二热塑性聚合物为弹性体。
8.根据权利要求2所述的共挤压出的薄膜,其中所述第一区域和第二区域沿薄膜的长度大体上是连续的。
9.根据权利要求2所述的共挤压出的薄膜,其中所述第一区域和第二区域的宽度在0.1到10mm之间。
10.根据权利要求8所述的共挤压出的薄膜,其中所述第一区域和第二区域的宽度在1.0到5mm之间。
11.根据权利要求8所述的共挤压出的薄膜,其中所述桥接层厚度在0.5到50微米之间。
12.根据权利要求8所述的共挤压出的薄膜,其中所述桥接层厚度在1.0到10微米之间。
13.根据权利要求2所述的共挤压出的薄膜,其中所述薄膜总厚度在15到500微米之间。
14.根据权利要求13所述的共挤压出的薄膜,其中所述薄膜总厚度在50到250微米之间。
15.根据权利要求2所述的共挤压出的薄膜,其中所述第一表面和第二表面为外表面。
16.根据权利要求3所述的共挤压出的薄膜,其中所述第一表面或第二表面为被第三热塑性聚合物完全或部分地覆盖的内表面。
17.根据权利要求16所述的共挤压出的薄膜,其中所述第三热塑性聚合物为连续薄膜层。
18.根据权利要求16所述的共挤压出的薄膜,其中所述第三热塑性聚合物为不连续层。
19.根据权利要求1所述的共挤压出的薄膜,其层合到非织造材料上。
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US11/321,413 US20070154683A1 (en) | 2005-12-29 | 2005-12-29 | Microstriped film |
US11/321,413 | 2005-12-29 |
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CN (1) | CN101351336A (zh) |
AR (1) | AR058877A1 (zh) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103209829A (zh) * | 2010-09-23 | 2013-07-17 | 埃普里克公司 | 具有抗应力的增强的强度的弹性层压片 |
CN114302796A (zh) * | 2019-09-06 | 2022-04-08 | 陶氏环球技术有限责任公司 | 柔性薄膜流体分配衬垫构件 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7678316B2 (en) * | 2004-06-08 | 2010-03-16 | 3M Innovative Properties Company | Coextruded profiled webs |
US7897081B2 (en) * | 2004-12-30 | 2011-03-01 | 3M Innovative Properties Company | Method of extruding articles |
KR20110111430A (ko) * | 2008-12-31 | 2011-10-11 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 공-압출 다이, 이 다이로 압출하는 방법, 및 이로부터 제조되는 압출된 물품 |
US9233500B2 (en) | 2010-02-08 | 2016-01-12 | 3M Innovative Properties Company | Method of co-extruding, co-extrusion die, and extruded articles made therefrom |
KR20130018778A (ko) * | 2010-03-25 | 2013-02-25 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 복합 층 |
BR112012025122A2 (pt) | 2010-03-25 | 2016-06-21 | 3M Innovative Properties Co | camada compósita |
KR20130064730A (ko) * | 2010-03-25 | 2013-06-18 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 복합 층 |
US9327429B2 (en) | 2010-03-25 | 2016-05-03 | 3M Innovative Properties Company | Extrusion die element, extrusion die and method for making multiple stripe extrudate |
CN102834241B (zh) | 2010-03-30 | 2016-02-24 | 3M创新有限公司 | 成型挤出复制 |
US8623481B2 (en) | 2012-02-10 | 2014-01-07 | Multisorb Technologies, Inc. | Film with oxygen absorbing regions |
US9944043B2 (en) | 2012-10-02 | 2018-04-17 | 3M Innovative Properties Company | Laminates and methods of making the same |
US10272655B2 (en) | 2012-10-02 | 2019-04-30 | 3M Innovative Properties Company | Film with alternating stripes and strands and apparatus and method for making the same |
CN102873853A (zh) * | 2012-10-11 | 2013-01-16 | 浙江精诚模具机械有限公司 | 多层复合挤出模头 |
US20140248471A1 (en) | 2013-03-01 | 2014-09-04 | 3M Innovative Properties Company | Film with Layered Segments and Apparatus and Method for Making the Same |
JP6261394B2 (ja) * | 2014-03-12 | 2018-01-17 | 株式会社ジェイエスピー | ポリスチレン系樹脂発泡体 |
JP6317979B2 (ja) * | 2014-03-31 | 2018-04-25 | 株式会社ジェイエスピー | ポリスチレン系樹脂積層発泡体 |
KR102101148B1 (ko) * | 2017-01-31 | 2020-04-16 | 주식회사 엘지화학 | 압출 다이를 이용한 시트의 제조방법 |
WO2019166935A1 (en) | 2018-02-28 | 2019-09-06 | 3M Innovative Properties Company | Coextruded polymeric article and method of making the same |
EP3758911B1 (en) | 2018-02-28 | 2022-03-30 | 3M Innovative Properties Company | Coextruded polymeric article and method of making the same |
US11194094B2 (en) * | 2018-11-05 | 2021-12-07 | Case Western Reserve University | Multilayered structures and uses thereof in security markings |
US11351710B2 (en) | 2018-11-05 | 2022-06-07 | Case Western Reserve University | Multilayered structures and uses thereof in security markings |
JP7530542B2 (ja) | 2020-03-19 | 2024-08-08 | グンゼ株式会社 | 部分機能性フィルム |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1097111A (fr) * | 1977-11-24 | 1981-03-10 | Vladimir Bubanko | Fiche de connecteur fibre a fibre pour cable optique multifibre |
US4435141A (en) * | 1982-04-07 | 1984-03-06 | Polyloom Corporation Of America | Multicomponent continuous film die |
US5057097A (en) * | 1988-09-13 | 1991-10-15 | Avery Dennison Corporation | Stretchable but stable film and fastening tape |
US5045264A (en) * | 1990-03-29 | 1991-09-03 | Dowbrands, Inc. | Method and apparatus for making extruded plastic film with strips embedded therein of a second thermoplastic material |
US5429856A (en) * | 1990-03-30 | 1995-07-04 | Minnesota Mining And Manufacturing Company | Composite materials and process |
US5344691A (en) * | 1990-03-30 | 1994-09-06 | Minnesota Mining And Manufacturing Company | Spatially modified elastic laminates |
US5082608A (en) * | 1990-06-14 | 1992-01-21 | Owens-Illinois Plastic Products Inc. | Polystyrene foam sheet manufacture |
US5217794A (en) * | 1991-01-22 | 1993-06-08 | The Dow Chemical Company | Lamellar polymeric body |
US5156793A (en) * | 1991-02-28 | 1992-10-20 | The Procter & Gamble Company | Method for incrementally stretching zero strain stretch laminate web in a non-uniform manner to impart a varying degree of elasticity thereto |
US5167897A (en) * | 1991-02-28 | 1992-12-01 | The Procter & Gamble Company | Method for incrementally stretching a zero strain stretch laminate web to impart elasticity thereto |
DE4243012C2 (de) * | 1992-12-18 | 1997-09-11 | Corovin Gmbh | Mehrschichtiges elastisches Flächengebilde sowie Verfahren zur Herstellung eines mehrschichtigen elastischen Flächengebildes |
US5422172A (en) * | 1993-08-11 | 1995-06-06 | Clopay Plastic Products Company, Inc. | Elastic laminated sheet of an incrementally stretched nonwoven fibrous web and elastomeric film and method |
US6313372B1 (en) * | 1994-01-18 | 2001-11-06 | Paragon Trade Brands, Inc. | Stretch-activated elastic composite |
KR100393364B1 (ko) * | 1994-04-29 | 2004-02-18 | 킴벌리-클라크 월드와이드, 인크. | 슬릿탄성섬유부직라미네이트 |
KR0162706B1 (ko) * | 1994-06-20 | 1998-12-01 | 사이카와 겐조오 | 규제된 신축성 복합체 |
EP0803602A4 (en) * | 1995-01-12 | 2002-06-26 | Japan Absorbent Tech Inst | ELASTIC COMPOSITE BODY WITH MULTIPLE STRETCHABILITY AND METHOD FOR THEIR PRODUCTION |
US5773374A (en) * | 1995-04-24 | 1998-06-30 | Wood; Leigh E. | Composite materials and process |
AU716072B2 (en) * | 1995-06-07 | 2000-02-17 | Avery Dennison Corporation | Extrusion process for protective coatings for outdoor siding panels and the like |
US6001460A (en) * | 1996-12-30 | 1999-12-14 | Kimberly-Clark Worldwide, Inc. | Elastic laminated fabric material and method of making same |
CA2199355A1 (en) * | 1997-03-06 | 1998-09-06 | Bob Bishop | Multiple beam laser welding apparatus |
US6245401B1 (en) * | 1999-03-12 | 2001-06-12 | Kimberly-Clark Worldwide, Inc. | Segmented conformable breathable films |
US6159584A (en) * | 1998-03-27 | 2000-12-12 | 3M Innovative Properties Company | Elastic tab laminate |
US6098247A (en) * | 1998-07-22 | 2000-08-08 | Santelli, Jr.; Albert | Plastic extrusion having unitary thermoplastic rubber and thermoplastic sections |
US6221483B1 (en) * | 1998-09-10 | 2001-04-24 | Avery Dennison Corporation | Reversibly extensible film |
US6500563B1 (en) * | 1999-05-13 | 2002-12-31 | Exxonmobil Chemical Patents Inc. | Elastic films including crystalline polymer and crystallizable polymers of propylene |
US6447875B1 (en) * | 1999-07-30 | 2002-09-10 | 3M Innovative Properties Company | Polymeric articles having embedded phases |
JP4558924B2 (ja) * | 2000-11-17 | 2010-10-06 | Jx日鉱日石エネルギー株式会社 | 伸縮性複合シートおよびその製造方法 |
AR037598A1 (es) * | 2001-11-30 | 2004-11-17 | Tredegar Film Prod Corp | Compuesto suave y elastico |
US6949283B2 (en) * | 2001-12-19 | 2005-09-27 | 3M Innovative Properties Company | Polymeric coextruded multilayer articles |
US7320948B2 (en) * | 2002-12-20 | 2008-01-22 | Kimberly-Clark Worldwide, Inc. | Extensible laminate having improved stretch properties and method for making same |
US7270723B2 (en) * | 2003-11-07 | 2007-09-18 | Kimberly-Clark Worldwide, Inc. | Microporous breathable elastic film laminates, methods of making same, and limited use or disposable product applications |
US7172008B2 (en) * | 2003-09-18 | 2007-02-06 | Velcro Industries B.V. | Hook fasteners and methods of making the same |
-
2005
- 2005-12-29 US US11/321,413 patent/US20070154683A1/en not_active Abandoned
-
2006
- 2006-12-04 CN CNA2006800495597A patent/CN101351336A/zh active Pending
- 2006-12-04 EP EP06844815A patent/EP1965978A1/en not_active Withdrawn
- 2006-12-04 WO PCT/US2006/046334 patent/WO2007078518A1/en active Application Filing
- 2006-12-04 JP JP2008548527A patent/JP2009522132A/ja not_active Withdrawn
- 2006-12-21 TW TW095148287A patent/TW200736036A/zh unknown
- 2006-12-28 AR ARP060105843A patent/AR058877A1/es unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103209829A (zh) * | 2010-09-23 | 2013-07-17 | 埃普里克公司 | 具有抗应力的增强的强度的弹性层压片 |
CN103209829B (zh) * | 2010-09-23 | 2014-12-31 | 埃普里克公司 | 具有抗应力的增强的强度的弹性层压片 |
CN114302796A (zh) * | 2019-09-06 | 2022-04-08 | 陶氏环球技术有限责任公司 | 柔性薄膜流体分配衬垫构件 |
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US20070154683A1 (en) | 2007-07-05 |
EP1965978A1 (en) | 2008-09-10 |
AR058877A1 (es) | 2008-02-27 |
JP2009522132A (ja) | 2009-06-11 |
TW200736036A (en) | 2007-10-01 |
WO2007078518A1 (en) | 2007-07-12 |
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