CN1454954A - 提高了粘合性和减少了粉尘形成的非织造织物 - Google Patents

提高了粘合性和减少了粉尘形成的非织造织物 Download PDF

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CN1454954A
CN1454954A CN03103503A CN03103503A CN1454954A CN 1454954 A CN1454954 A CN 1454954A CN 03103503 A CN03103503 A CN 03103503A CN 03103503 A CN03103503 A CN 03103503A CN 1454954 A CN1454954 A CN 1454954A
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fabric
tackiness agent
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林廷东
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ETTEWAR TECHNOLOGY AG
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Abstract

制造适用的非织造织物要求粘合剂与吸收材料之间有良好的粘合性能。本发明涉及基于粘合剂中添加增粘剂而具有良好粘合性的非织造织物。任选的是，含增粘剂的粘合剂还可包含促粘剂(通常为接枝型聚烯烃)和增强剂(通常为粉状惰性无机化合物)。非织造织物包含约5－约25(重量)％粘合用纤维和约75－95(重量)％吸收质。吸收质可以是天然吸收质或高吸收性聚合物或它们的复合物。粘合用纤维含有低于约40(重量)％的增粘剂。增粘剂选自松香、松香酯、萜烯基化合物、戊二烯基化合物和烃基化合物。

Description

提高了粘合性和减少了粉尘 形成的非织造织物
发明背景
发明领域
本发明涉及用于制造尿布、失禁病人用垫、妇女用卫生巾和其它吸收液体用吸收垫的干法成网和湿法成网非织造织物。具体地说，这类垫子通常包含粘合剂和木浆或其它吸收材料。对于制造适用于这类用途的非织造织物来说，要求粘合剂与吸收材料之间要有良好的粘合性能。更具体地说，本发明涉及基于粘合剂添加了增粘剂而具有高粘合性能的非织造织物。增粘剂包括松香、松香酯、萜烯基化合物、戊二烯基化合物以及烃基化合物。任选的是，含增粘剂的粘合剂还可包含促粘剂(通常为接枝型聚烯烃)和增强剂(通常为粉状惰性无机化合物)。
2.先有技术
非织造织物特别是一次性吸收制品(如一次性尿布)已经在市场上取得巨大的成功。然而，总还需要对这类产品进行改进，特别是改进它们的粘合性，以使它们在制造、加工成制品以及使用期间不会发生分离。本发明之前，已知现有的非织造织物是由吸收质(纸浆与任选地至多25(重量)％的高吸收性聚合物即SAP)和粘合剂(如双组分纤维或低熔聚合物纤维)形成的。这类现有的组合物包含约10％粘合剂和约80-90(重量)％吸收质。
这类非织造织物是通过下列步骤形成的：先将木桨(和任选SAP)与粘合剂混合成组合物，然后将该组合物导入加热区，以使聚合物中低熔材料或双组分纤维中的低熔材料熔融，并包覆在至少大部分木浆纤维(和任选SAP)上，然后将该组合物导入冷却区，在冷却区低熔粘合剂材料会固化，从而将木浆(和任选SAP)粘合成整体纤维网结构。
任选的是，组合物中还可混入其它纤维如其它的合成或天然纤维以获得某些所希望的其它特性如低的密度、高度松软性、抗压性和令人满意的吸液率。
Hansen等人的美国专利5981410公开了以纤维素纤维如纸浆纤维或棉纤维混合的双组分纤维制造用于如一次性尿布的非织造织物。
Fujiwara等人的美国专利5 994 244公开了由纤维素型纤维如短纤浆和低熔纤维组成的、尤其适用于制造一次性尿布的非织造织物。该专利也公开了向以乙烯-丙烯酸酯-马来酸酐为皮层组分的双组分纺粘长丝中添加无机微粒(如TiO2)。该微粒能降低纺丝期间各长丝间的相互粘附，从而可得到更均匀的织物。
适用的双组分纤维已公开在Tabor等人的美国专利4950541和5372885中，该两专利的内容已列入本文供参考。该两专利公开了低熔的马来酸或马来酸酐接枝的聚乙烯的用途。
Shiba等人的美国专利5126201公开了在双组分粘合用纤维的芯层和皮层中添加TiO2以改进非织造织物的裁切效率。芯层中的TiO2添加量为＞1.5％，优选的是在皮层中不添加TiO2，因为TiO2会降低皮层的粘合作用。
Matsuo等人的日本专利JP02-169718公开了聚烯烃皮层/聚酯芯层双组分纤维，皮层中含0.3-10％无机微粒(优选TiO2)以制得更柔软和不透明的织物。该专利还指出，添加无机颗粒会降低非织造织物的强度。
                     发明概述
如上所述，就技术来说，这类非织造织物的粘合性仍需要加以改进。本发明制品相对于这类现有的非织造织物制品有了改进。具体地说，本发明通过采用增粘剂提高了粘合性。增粘剂包括松香、松香酯、萜烯基化合物、戊二烯基化合物以及烃基化合物。
本发明涉及或双组分纤维或低熔聚合物纤维，还涉及使粘合剂产生高粘合性的增粘剂。双组分纤维包含高熔部分和低熔部分，其中低熔部分含有增粘剂。如果采用低熔纤维(代替双组分纤维)，它同样含有增粘剂。据认为，增粘剂起促粘剂的作用，能更好地使吸收材料粘合在一起而形成整体织物。本文中称低熔聚合物纤维或双组分纤维中的低熔部分为“低熔基”。
概括地说，本发明涉及含增粘剂的粘合用纤维。粘合用纤维可以是双组分纤维或是通常的低熔聚合物纤维。低熔基含有增粘剂。含有增粘剂的粘合用纤维可任选地含促粘剂和增强剂。
概括地说，本发明的非织造织物包括含增粘剂的粘合用纤维和吸收质。吸收质可以是合成吸收质或是天然吸收质。
概括地说，本发明还涉及含约5-约25(重量)％粘合用纤维和约75-约95(重量)％吸收质的织物。吸收质可以是天然吸收质或是高吸收性聚合物或是这些吸收质的结合物。粘合用纤维含低于约40(重量)％的增粘剂(以低熔基计)。
                   优选实施方案的说明
适用的吸收质可以是天然吸收质或合成吸收质。合成吸收质主要是高吸收性聚合物(SAP)。织物中吸收质的含量为75-95(重量)％。天然吸收质是亲水性材料如纤维素纤维、木质短纤浆、棉花、棉短绒以及再生纤维素纤维如人造丝或这类材料的混合物。优选的是木质短纤浆，木质短纤浆既价廉又容易获得。
采用天然吸收质的吸收垫不可能在所有情况下提供足够的液体吸入口。天然吸收质是非常膨松的。因此，许多吸收垫采用较少量的SAP。这是由于SAP的成本比天然吸收质高得多。用SAP取代一些天然吸收质可降低吸收垫的总体膨松度和/或提供优良的液体吸入口。
本文所用名词“高吸收性聚合物”或“SAP”是指水溶胀性的、通常不溶于水的、能吸收自身重量的至少约10倍，希望约20倍，而优选约50倍或以上的水的材料。高吸收性聚合物可由有机材料(可包括天然材料如琼脂、果胶和瓜尔胶)以及合成材料(如合成水凝胶聚合物)形成。合成水凝胶聚合物包括例如羧甲基纤维素、聚丙烯酸的碱金属盐、聚丙烯酰胺、聚乙烯醇、乙烯马来酸酐共聚物、聚乙烯基醚、羟丙基纤维素、聚乙烯基吗啉酮、乙烯基磺酸的聚合物和共聚物、聚丙烯酸酯、聚丙烯酰胺、聚乙烯基吡啶等。其它适用的聚合物包括水解的丙烯腈接枝淀粉、丙烯酸接枝淀粉和异丁烯马来酸酐共聚物以及它们的混合物。优选的水凝胶聚合物是轻度交联的，这样可使上述材料基本上不溶于水。可通过辐射或共价键、离子键、范德华键或氢键使这些材料交联。适用的材料可从不同的厂商如Dow ChemicalCompany，Allied Colloid，Inc.和Stockhausen，Inc.购得。高吸收性聚合物可呈微粒状、薄片状、纤维状、棒状、薄膜或任何一种几何形状。
本发明的粘合用纤维既可以是低熔纤维形态，也可以是双组分纤维形态。双组分纤维中的低熔部分应包含与低熔纤维相同的材料。本发明优选的粘合用纤维是双组分纤维。粘合用纤维的平均长度为约3-约75毫米。纤维旦数为1-10的粘合用纤维是优选的。低熔基可以是聚烯烃如聚乙烯(PE)、聚丙烯(PP)、聚丁烯或它们的混合物。适用的聚乙烯可以是高密度聚乙烯(HDPE)、中密度聚乙烯(MDPE)、低密度聚乙烯(LDPE)、线形低密度聚乙烯(LLDPE)、超低密度聚乙烯(ULDPE)或它们的混合物。这类聚烯烃可以是经Ziegler-Natta催化剂或金属茂催化剂催化聚合制成的。或者，低熔基可以是低熔聚酯如聚对苯二甲酸丁二醇酯(PBT)或聚对苯二甲酸丙二醇酯(PTT)，低熔共聚聚酯如PET与适当的二元醇组分共聚单体的共聚物，其中二元醇共聚单体可选自1，4-环己烷二烷醇、1，2-丙二醇、1，3-丙二醇、1，4-丁二醇、2，2-dimenthyl-1，3-丙二醇、1，6-己二醇、1，2-环己烷二醇、1，4-环己烷二醇、1，2-环己烷二甲醇、1，3-环己烷二甲醇以及链中含一个或多个氧原子的二元醇如二甘醇、三甘醇、二丙二醇、三丙二醇或它们的混合物；或者是PET与一种或多种二元酸组分的共聚物，其中二元酸为除对苯二甲酸外的一种或多种二酸(脂族、脂环族或芳族二元羧酸)如间苯二甲酸、1，4-环己烷二羧酸、1，3-环己烷二羧酸、丁二酸、戊二酸、己二酸、癸二酸、1，12-十二烷二酸、2，6-萘二羧酸、联苯甲酸或它们的混合物。
双组分纤维可呈低熔纤维部分邻接高熔纤维部分如并列构型或呈皮芯构型，其中皮层是低熔组分，芯层是高熔组分。高熔部分可选自聚烯烃如聚乙烯、聚丙烯和聚丁烯；聚酯如聚对苯二甲酸乙二醇酯(PET)、聚对苯二甲酸丁二醇酯、聚萘二甲酸乙二醇酯等；聚酰胺如尼龙6、尼龙66；聚丙烯酸酯如聚甲基丙烯酸酯、聚甲基丙烯酸甲酯等；以及它们的混合物与共聚物。在适用的双组分纤维中的低熔部分的熔融温度应低于所述高熔部分至少约5C。
适用的双组分纤维中包含约5-约75(重量)％的低熔部分，而其余为高熔部分。例如，如果采用50-50双组分纤维作为粘合用纤维，则50(重量)％低熔部分是含有低于约40(重量)％的增粘剂(含或不含促粘剂或增强剂或它们的混合物)，50(重量)％高熔部分可以是PET。
暂且不考虑其它组分，适用的双组分纤维是聚乙烯/聚丙烯，聚乙烯/聚酯(特别是聚对苯二甲酸乙二醇酯)，聚乙烯/尼龙，共聚聚酯/PET，PBT/PET，PTT/PET，以及它们的混合物。聚乙烯/聚酯纤维如LLDPE/PET或聚乙烯/聚丙烯如LLDPE/PP是优选的。当双组分纤维的低熔部分和高熔部分都含聚烯烃时，高熔聚烯烃的熔点必须高于低熔聚烯烃至少约5C。
增粘剂包括松香、松香酯和萜烯基化合物、戊二烯基化合物和烃基化合物。可商购的松香基增粘剂通称为Foral 85(Hercules，Inc.制造)，Permalyn 2085(Eastman Chemicals制造)，或Escorez 5400(MobilExxon Chemical制造)。可商购的萜烯基增粘剂是Zonarez，Zonatac和Nirez(Arizona Chemical Company制造)。可商购的戊二烯基增粘剂是Picotac和Hercotac(Hercules Inc.制造)。可商购的烃基增粘剂是Escorez 5400(ExxonMobil制造)。优选的增粘剂是松香酯，而最优选是妥尔油松香的甘油酯。增粘剂用量为低熔基重量的约0.1-约40(重量)％，优选为0.5-10％，而最优选为1-5％。
除了增粘剂外，还可任选地添加促粘剂，如以马来酸或马来酸酐(MAH)接枝的聚烯烃，其中两者接枝到聚烯烃中就转变成琥珀酸或琥珀酸酐。MAH的优选接枝量为10(重量)％(滴定法测定)。乙烯-丙烯酸共聚物及其与接枝聚烯烃的混合物也是适用的促粘剂。从DowChemical商购的马来酸酐接枝聚烯烃称为ASPUN树脂。可从Du Pont商购的乙烯-丙烯酸共聚物是Bynel 2022、Bynol 21E 533和FusabondMC 190D，从ExxonMobil商购的是Escor酸三元共聚物。乙烯-丙烯酸共聚物的用量为低熔基重量的约1-约20(重量)％，优选为5-15(重量)％。接枝聚烯烃促粘剂的用量要使掺混的马来酸或马来酸酐的重量为低熔基重量的约0.05％-约2％，优选为0.1-1.5(重量)％。
除了增粘剂和任选的促粘剂外，还可任选地添加增强剂。增强剂可包括二氧化钛、滑石、二氧化硅、明矾、碳酸钙、氧化钙、氧化镁及其它氧化物，而二氧化钛是优选的。增强剂在聚合物中的用量为低熔基重量的约0.1-约1％。为了在聚合物中有良好的分散性和使聚合物有良好的可纺性，颗粒尺寸范围为约0.04-约5微米，优选为0.05-2微米。
在制造含增粘剂和任何促粘剂及增强剂的低熔基时，优选的方法是向低熔基掺入母料，然后按技术上已知方法以熔融纺丝法纺成纤维。
本发明的非织造织物或可通过干法成网工艺或可通过湿法成网工艺来制造。干法成网的织物是通过气流成网法、梳理法、扯松法或随机梳理法制造的。气流成网法是将纤维导入空气流中，纤维在空气流中均匀地混合，然后使纤维沉积在成形网表面上。梳理法是通过对纤维进行梳理或耙松而将纤维束分开成并行排列的单根纤维。扯松法与梳理法从将纤维梳松的方法来看是相似的。然后，使经梳理的纤维缠合而形成非织造织物。将多层织物重叠可得到所要求的重量。随机梳理是利用离心力将纤维甩成纤维呈随机取向的非织造织物。再将多层织物重叠可得所要求基重的织物。然后将干法成网的各组分粘合在一起。湿法成网的非织造织物是通过改良的造纸方法制造的，在该方法中纤维是悬浮在水中的，然后倾在网上滗析，再经干燥和粘合而成的。
非织造织物是通过粘合用纤维如上述的低熔聚合物纤维或双组分纤维粘合的。而织物中纤维(粘合用纤维和吸收质)是通过加热设备经加热而粘合在一起的。热粘合步骤包括使粘合用纤维在加热炉(热空气、辐射或微波)中或经加热的压延机滚筒或借助超声能量熔融，接着冷却该织物使熔融的粘合用纤维固化。经熔粘、固化的织物具有足够的刚性结构可用作吸收垫的组分。
非织造织物是通过粘合用纤维(或低熔聚合物纤维或双组分纤维，或该两种纤维)与吸收质纤维(加或不加SAP)的混合，以干法成网技术或湿法成网技术制成的。吸收质与粘合用纤维相混合时，应使整个织物中粘合用纤维的含量为约5-约25(重量)％，而其余基本上为吸收质。本发明的非织造织物可以叠至其重量为每平方米约20克至约500克，优选为约50-约250克。其后，该织物可按其最终用途即按窗帘、牙科用围布、眼垫、尿布、失禁病人用垫、妇女用卫生巾、缠绕绷带垫、空气过滤器、液体过滤器以及织物如布帘、床垫或枕头的要求切成各种长度和宽度。
                       试验方法
非织造织物的干强度是按照TAPPI试验方法T498 om-88测定的。织物强度是以沿MD(纵向)和CD(横向)取样的25.4×203.2毫米的试片、在Instron 1122试验机上测定的。测定的起始长度为127毫米，在以每分钟304.8毫米的速度分离的条件下进行。测得的强度以克/25毫米为单位报告。
粘合指数规定为纵向强度与横向强度乘积的平方根。
粉尘试验采用127×127毫米截面的织物，切成25.4×25.4毫米试样。将试样放入FluffFiberization机中。对试样施加100磅/平方英寸的空气流300秒。用过滤器收集被吹散的纤维(粉尘)。以织物的失重百分比作为粉尘的百分比。
                     实施例
下列实施例的双组分纤维是以0.55IV PET为芯层和不同组分的皮层制成的。该双组分纤维包含50/50芯/皮，而皮层主要是LLDPE。LLDPE是购自Dow Chemical Company的Aspun XU 61800.34(Dow34)，其中含10(重量)％MAH。预先混合的添加剂(增粘剂、促粘剂和增强剂)在纤维纺丝前与皮层聚合物相混合。增粘剂与皮层聚合物预混合成40％的浓缩液。将经纺丝和拉伸后的双组分纤维切成6毫米长的短纤维。
非织造织物由12(重量)％双组分纤维和88(重量)％木浆组成。所用木浆为Waco 416。用于实施例中(和表中所列的)的增粘剂、促粘剂和增强剂百分含量是以低熔基重量计的。
                      实施例1
各种双组分纤维列于表1中。促粘剂是购自Dow Chemical的马来酸酐接枝聚乙烯ASPUN XU 60769.07(Dow07)，购自DuPont的乙烯-丙烯酸共聚物BYNEL 2022和购自ExxonMobil的乙烯-丙烯酸共聚物ESCOR AT-325。增粘剂是购自Eastman Chemical的妥尔油松香的甘油酯PERMLYN 2085。
非织造织物是由双组分纤维以湿法成网法制成的，其基重为51克/平方米。该织物试样在100C下干燥32秒，然后在135C的热风炉中加热15秒实施粘合。粘合指数列于表1中，并与不含增粘剂的对照样作比较。
                                           表1
 纤维  促粘剂％ 增粘剂％ 粘合温度℃   粘合指数，克/25毫米   高于对照样％
 对照  Dow 07，10％ 无 135    250.9
 1  Bynel 2022，5％ Permalyn，5％ 135    368.9   47.0
 2  Escor AT 325，5％ Permalyn，5％ 135    285.4   13.8
 3  Dow 07，5％ Permalyn，5％ 135    388.1   54.7
 4  Escor AT 325，8％ Permalyn，2％ 135    281.1   12.0
本实施例的结果显示，采用增粘剂和促粘剂提高了拉伸强度。
                      实施例2
在本实施例中，按与实施例1相同的方法制备湿法成网非织造织物，并试验促粘剂和增粘剂用量对织物强度的影响。双组分纤维的组分和粘合指数列于表2中。对照样的皮层组分不含促粘剂或增粘剂。
                                          表2
    纤维  促粘剂，％ 增粘剂，％   粘合温度，℃   粘合指数，克/25毫米   高于对照样，％
    对照  无 无   135   314.3
    5  Dow 07，5％ 无   135   267.0   -15.0
    6  Dow 07，10％ 无   135   339.7   8.1
    7  无 Permalyn，5％   135   415.7   32.3
    8  Dow 07，5％ Permalyn，5％   135   442.2   40.7
    9  Dow 07，10％ Permalyn，5％   135   412.5   31.2
    10  无 Permalyn，10％   135   422.3   34.4
    对照  无 无   175   378.3
    5  Dow 07，5％ 无   175   345.7   -8.6
    6  Dow 07，10％ 无   175   401.6   6.2
    7  无 Permalyn，5％   175   405.7   7.2
    8  Dow 07，5％ Permalyn，5％   175   493.4   30.4
    9  Dow 07，10％ Permalyn，5％   175   492.9   30.3
    10  无 Permalyn，10％   175   444.3   17.4
本实施例结果显示，单独使用增粘剂、不使用促粘剂提高了非织造织物的粘合指数。
                       实施例3
本实施例研究了按实施例1方法制备的织物中增粘剂用量的影响。双组分纤维组分和粘合指数列于表3中。对照样的皮层组分中包含5％Dow 07促粘剂。
实验结果显示，即使1(重量)％低含量的增粘剂也能显著地提高粘合指数。
                                                 表3
    纤维 促粘剂，％ 增粘剂，％   粘合温度，℃   粘合指数，克/25毫米   高于对照样，％
    对照 Dow 07，5％ 无   135   210.1
    11 Dow 07，5％ Permalyn 2085，1％   135   337.7   60.8
    12 Dow 07，5％ Permalyn 2085，2.5％   135   346.3   64.8
    13 Dow 07，5％ Permalyn 2085，3.75％   135   352.6   67.8
    14 Dow 07，5％ Permalyn 2085，5％   135   401.6   91.2
    对照 Dow 07，5％ 无   175   268.2
    11 Dow 07，5％ Permalyn 2085，1％   175   431.0   60.7
    12 Dow 07，5％ Permalyn 2085，2.5％   175   351.4   31.0
    13 Dow 07，5％ Permalyn 2085，3.75％   175   456.1   70.1
    14 Dow 07，5％ Permalyn 2085，5％   175   452.7   68.8
                   实施例4
按实施例1方法制备双组分纤维。该纤维与木浆以气流成网法制成基重为175克/平方米的非织造织物。织物通过140℃或175℃的干燥箱干燥15秒钟停留时间。双组分纤维的组分和粘合指数列于表4中。对照样的皮层组分中包含10％Dow 07促粘剂。该实施例中采用的增强剂为TiO2。TiO2与皮层聚乙烯(Dow 34)预混合成35％的浓缩液。
                                              表4
 纤维  促粘剂，％ 增粘剂，％ TiO2，％ 粘合温度，℃ 粘合指数，克/25毫米 高于对照样，％
 对照  Dow07，10％ 无 无 140 267.0
 15  Dow 07，5％ Permalyn 2085，2.5％ 无 140 342.4 28.2
 16  Dow 07，5％ Permalyn 2085，2.5％ 0.70 140 414.9 55.4
 17  Dow 07，5％ Permalyn 2085，2.5％ 0.35 140 398.9 49.4
 18  Dow 07，5％ Permalyn 2085，5％ 0.35 140 413.8 55.0
 19  Dow 07，5％ Permalyn 2085，5％ 0.70 140 348.0 30.3
结果显示增强剂提高了粘合指数。
气流成网方法应考虑粉尘的形成。对140℃粘合的对照样和试验样16和19的织物进行了粉尘试验。试验结果列于表5中。
                                             表5
    纤维 促粘剂，％ 增粘剂，％   TiO2，％     粘合温度，℃   粉尘，％     粉尘减少量
    对照 Dow 07，10％ 无   None     140   7.95
    16 Dow 07，5％ Permalyn 2085，2.5％   0.7     140   6.45     18.9
    19 Dow 07，5％ Permalyn 2085，5％   0.7     140   6.96     12.5
结果显示增粘剂与增强剂一起使用能减少粉尘的形成。
显而易见，根据本发明提供的含增粘剂的粘合用纤维以及由此纤维制成的非织造织物完全达到了上述目的，并具有所希望的优点。虽然已根据本发明的实施方案对本发明作了说明，但对技术熟练人员来说，借助上述说明对本发明作多种变化、改进和变更是不难的。因此，本发明包括所有这些变化、改进和变更，它们都属附后权利要求所规定的精神和范围。

Claims (55)

1.一种改进了粘合性的粘合剂，该粘合剂包含含低熔基和增粘剂的粘合用纤维的组合，所述低熔基是低熔聚合物纤维、双组分纤维的低熔部分或是两者。
2.权利要求1的经改进的粘合剂，其中所述增粘剂选自松香、松香酯、萜烯基化合物、戊二烯基化合物和烃基化合物。
3.权利要求1的经改进的粘合剂，其中所述双组分纤维具有高熔部分。
4.权利要求3的经改进的粘合剂，其中所述高熔部分选自聚酰胺、聚酯、聚烯烃、聚丙烯酸酯以及它们的混合物。
5.权利要求4的经改进的粘合剂，其中所述高熔部分是聚酯。
6.权利要求4的经改进的粘合剂，其中所述高熔部分是聚烯烃。
7.权利要求1的经改进的粘合剂，其中所述增粘剂为所述低熔部分重量的约0.1-40(重量)％。
8.权利要求3的经改进的粘合剂，其中所述低熔部分为所述双组分纤维重量的约5％-约75(重量)％。
9.权利要求1的经改进的粘合剂，其中所述低熔基选自聚乙烯、聚丙烯、聚丁烯、聚酯、共聚聚酯或它们的混合物。
10.权利要求9的经改进的粘合剂，其中所述聚乙烯选自HDPE、MDPE、LDPE、LLDPE、ULDPE或它们的混合物。
11.权利要求9的经改进的粘合剂，其中所述聚酯和所述共聚聚酯选自聚对苯二甲酸丁二醇酯(PBT)或聚对苯二甲酸丙二醇酯(PTT)，低熔共聚聚酯如PET与适当二元醇组分等共聚单体的共聚物，其中二元醇组分共聚单体选自1，4-环己烷二烷醇、1，2-丙二醇，1，3-丙二醇，1，4-丁二醇，2，2-dimenthyl-1，3-丙二醇、1，6-己二醇、1，2-环己烷二醇、1，4-环己烷二醇、1，2-环己烷二甲醇、1，3-环己烷二甲醇、以及链中含一个或多个氧原子的二元醇如二甘醇、三甘醇、二丙二醇、三丙二醇或它们的混合物；或者是PET与一种或多种二元酸组分的共聚物，其中二元酸组分为除对苯二甲酸外的一种或多种二酸(脂族、脂环族或芳族二元羧酸)如间苯二甲酸、1，4-环己烷二羧酸、1，3-环己烷二羧酸、丁二酸、戊二酸、己二酸、癸二酸、1，12-十二烷二酸、2，6-萘二羧酸、联苯甲酸或它们的混合物。
12.权利要求1的经改进的粘合剂，其中所述低熔聚合物纤维基本上是所述低熔基和所述增粘剂。
13.权利要求1的经改进的粘合剂，在所述低熔基中还包含促粘剂。
14.权利要求13的经改进的粘合剂，其中所述促粘剂选自马来酸或马来酸酐接枝的聚烯烃、乙烯-丙烯酸共聚物或这些聚合物的混合物。
15.权利要求14的经改进的粘合剂，其中所述接枝聚烯烃包含的马来酸或马来酸酐为所述低熔基的约0.05-约2.0(重量)％。
16.权利要求14的经改进的粘合剂，其中所述乙烯-丙烯酸共聚物的用量为所述低熔基的约1-约20(重量)％。
17.权利要求13的经改进的粘合剂，其中所述双组分纤维具有高熔部分。
18.权利要求17的经改进的粘合剂，其中所述高熔部分选自聚酰胺、聚酯、聚烯烃、聚丙烯酸酯以及它们的混合物。
19.权利要求18的经改进的粘合剂，其中所述高熔部分是聚酯。
20.权利要求18的经改进的粘合剂，其中所述高熔部分是聚烯烃。
21.权利要求1的经改进的粘合剂，在所述低熔基中还包含增强剂。
22.权利要求21的经改进的粘合剂，其中所述增强剂选自二氧化钛、滑石、二氧化硅、明矾、碳酸钙、氧化钙以及氧化镁。
23.权利要求21的经改进的粘合剂，其中所述增强剂用量为所述低熔基的约0.1-约1.0(重量)％。
24.权利要求21的经改进的粘合剂，其中所述双组分纤维具有高熔部分。
25.权利要求24的经改进的粘合剂，其中所述高熔部分选自聚酰胺、聚酯、聚烯烃、聚丙烯酸酯以及它们的混合物。
26.权利要求25的经改进的粘合剂，其中所述高熔部分为聚酯。
27.权利要求25的经改进的粘合剂，其中所述高熔部分是聚烯烃。
28.一种非织造织物，该织物包含粘合用纤维与吸收质，所述粘合用纤维包含增粘剂和低熔基，所述低熔基是低熔聚合物纤维，双组分纤维的低熔组分，或两者。
29.权利要求28的织物，其中所述粘合用纤维是所述织物重量的约5-约25(重量)％。
30.权利要求28的织物，其中所述吸收质包括天然吸收质、高吸收性聚合物或两者。
31.权利要求28的织物，其中所述双组分纤维具有高熔部分。
32.权利要求31的织物，其中所述高熔部分选自聚酰胺、聚酯、聚烯烃、聚丙烯酸酯以及它们的混合物。
33.权利要求32的织物，其中所述高熔部分为聚酯。
34.权利要求32的织物，其中所述高熔部分是聚烯烃。
35.权利要求28的织物，其中所述增塑剂用量为所述低熔基重量的约0.1-约40(重量)％。
36.权利要求28的织物，其中所述增粘剂选自松香、松香酯、萜烯基化合物、戊二烯基化合物和烃基化合物。
37.权利要求28的织物，其中所述低熔聚合物纤维基本上是低熔基和所述增粘剂。
38.权利要求28的织物，其中所述低熔基选自聚乙烯、聚丙烯、聚酯或共聚聚酯或它们的混合物。
39.权利要求38的织物，其中所述聚乙烯选自HDPE、MDPE、LDPE、LLDPE、ULDPE或它们的混合物。
40.权利要求38的织物，其中所述聚酯和所述共聚聚酯选自聚对苯二甲酸丁二醇酯(PBT)或聚对苯二甲酸丙二醇酯(PTT)，低熔共聚聚酯如PET与适当二元醇组分等共聚单体的共聚物，其中二元醇组分共聚单体选自1，4-环己烷二醇、1，2-丙二醇、1，3-丙二醇、1，4-丁二醇、2，2-dimenthyl-1，3-丙二醇、1，6-己二醇、1，2-环己烷二醇、1，4-环己烷二醇、1，2-环己烷二甲醇、1，3-环己烷二甲醇以及链中含一个或多个氧原子的二元醇如二甘醇、三甘醇、二丙二醇、三丙二醇或它们的混合物；或者是PET与一种或多种二元酸组分的共聚物，其中二元酸为除对苯二甲酸外的一种或多种二酸(脂族、脂环族或芳族二元羧酸)如间苯二甲酸、1，4-环己烷二羧酸、1，3-环己烷二羧酸、丁二酸、戊二酸、己二酸、癸二酸、1，12-十二烷二酸、2，6-萘二羧酸、联苯甲酸或它们的混合物。
41.权利要求28的织物，在所述低熔基中还包含促粘剂。
42.权利要求41的织物，其中所述促粘剂选自马来酸或马来酸酐接枝的聚烯烃、乙烯-丙烯酸共聚物，或它们的复合物。
43.权利要求42的织物，其中所述接枝聚烯烃包含的马来酸或马来酸酐为所述低熔基的约0.05-约2.0(重量)％。
44.权利要求42的织物，其中所述乙烯-丙烯酸共聚物的用量为所述低熔基的约1-约20(重量)％。
45.权利要求41的织物，其中所述双组分纤维具有高熔部分。
46.权利要求45的织物，其中所述高熔部分选自聚酰胺、聚酯、聚烯烃、聚丙烯酸酯以及它们的混合物。
47.权利要求46的织物，其中所述高熔部分为聚酯。
48.权利要求46的织物，其中所述高熔部分为聚烯烃。
49.权利要求28的织物，其中所述低熔基还包含增强剂。
50.权利要求49的织物，其中增强剂选自二氧化钛、滑石、二氧化硅、明矾、碳酸钙、氧化钙和氧化镁。
51.权利要求49的织物，其中所述增强剂用量为所述低熔基重量的0.1-1.0(重量)％。
52.权利要求49的织物，其中所述双组分纤维具有高熔部分。
53.权利要求52的织物，其中所述高熔部分选自聚酸胺、聚酯、聚烯烃、聚丙烯酸酯以及它们的混合物。
54.权利要求53的织物，其中所述高熔部分是聚酯。
55.权利要求53的织物，其中所述高熔部分是聚烯烃。
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CN103614857A (zh) * 2013-11-25 2014-03-05 常熟市金羽纤维制品厂 一种超弹力无胶棉
CN108914670A (zh) * 2018-07-14 2018-11-30 潍坊杰高长纤维制品科技有限公司 一种高透医用胶带基材及其制备方法
CN108914670B (zh) * 2018-07-14 2019-09-03 潍坊杰高长纤维制品科技有限公司 一种高透医用胶带基材及其制备方法
CN110396854A (zh) * 2018-07-14 2019-11-01 潍坊杰高长纤维制品科技有限公司 一种高透医用胶带基材
CN110396854B (zh) * 2018-07-14 2020-06-02 潍坊杰高长纤维制品科技有限公司 一种高透医用胶带基材
CN113260749A (zh) * 2018-12-10 2021-08-13 陶氏环球技术有限责任公司 具有至少一种双组分纤维的气流成网基材
CN112095230A (zh) * 2020-08-15 2020-12-18 福建冠泓工业有限公司 一种超柔超蓬松纺粘无纺布及其制备方法

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KR20040030183A (ko) 2004-04-09
JP2003328232A (ja) 2003-11-19
EP1359240B1 (en) 2007-04-04
BR0300128A (pt) 2004-08-24
DK1359240T3 (da) 2007-08-06
TW200306213A (en) 2003-11-16
EP1359240A1 (en) 2003-11-05
US20030207639A1 (en) 2003-11-06
TWI283184B (en) 2007-07-01
DE60312918D1 (de) 2007-05-16

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