CN103003478A - 混合的聚酯纱线以及由其制成的制品 - Google Patents

混合的聚酯纱线以及由其制成的制品 Download PDF

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CN103003478A
CN103003478A CN2011800356114A CN201180035611A CN103003478A CN 103003478 A CN103003478 A CN 103003478A CN 2011800356114 A CN2011800356114 A CN 2011800356114A CN 201180035611 A CN201180035611 A CN 201180035611A CN 103003478 A CN103003478 A CN 103003478A
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yarn
polyester
carpet
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mixing
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J.C.常
R.W.米勒
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EIDP Inc
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EI Du Pont de Nemours and Co
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    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04Blended or other yarns or threads containing components made from different materials
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04Blended or other yarns or threads containing components made from different materials
    • D02G3/045Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47GHOUSEHOLD OR TABLE EQUIPMENT
    • A47G27/00Floor fabrics; Fastenings therefor
    • A47G27/02Carpets; Stair runners; Bedside rugs; Foot mats
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/04Pigments
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44Yarns or threads characterised by the purpose for which they are designed
    • D02G3/445Yarns or threads for use in floor fabrics
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/23907Pile or nap type surface or component
    • Y10T428/23921With particles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/23907Pile or nap type surface or component
    • Y10T428/23957Particular shape or structure of pile
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/23907Pile or nap type surface or component
    • Y10T428/23993Composition of pile or adhesive
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/298Physical dimension

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Abstract

本发明涉及由两种或更多种不同聚酯制成的聚酯纱线。本发明还涉及由两种或更多种不同聚酯制成的成品,并且尤其涉及地毯。

Description

混合的聚酯纱线以及由其制成的制品
技术领域
本发明涉及由两种或更多种不同聚酯制成的聚酯纱线。本发明还涉及由两种或更多种不同聚酯制成的成品,并且尤其涉及地毯。
发明内容
本发明的一个方面是包含第一纤维组分和第二纤维组分的混合的聚酯纱线,其中第一纤维组分包含聚(对苯二甲酸丙二酯)长丝,并且第二纤维组分包含第二聚酯的长丝。
本发明的另一个方面是由混合的聚酯纱线制成的地毯,所述聚酯纱线包含第一纤维组分和第二纤维组分,其中第一纤维组分包含聚(对苯二甲酸丙二酯)长丝,并且第二纤维组分包含第二聚酯的长丝,其中所述地毯包含毛圈绒头和割绒中的至少一种。
本发明的另一个方面是包含第一纱线组分和第二纱线组分的地毯,其中第一纱线组分包含PTT纱线,并且第二纱线组分包含PET纱线。
对本领域的技术人员来说,根据以下说明书和权利要求书,本发明的这些和其它方面将是显而易见的。
具体实施方式
本发明提供了由聚酯的混合物制成的纱线,也被称为“混合的聚酯纱线”。所述混合物可以如下文所公开的多种方式形成。
尽管任何相容的聚酯可被用于纱线中,但在纱线中PTT被用作第一聚酯。在优选的实施方案中,纱线包含聚(对苯二甲酸乙二酯)(PET)和/或聚(对苯二甲酸丁二酯)(PBT)作为第二聚酯。在一些实施方案中,纱线可包含三个或更多个聚酯,其中PTT为第一聚酯,并且PET为第二聚酯。
本发明也提供了由混合的聚酯纱线制成的地毯。所述混合的聚酯纱线可由两种或更多种聚酯的单个长丝制成。在一些实施方案中,第一聚酯PTT的纱线与第二聚酯的纱线捻在一起。在一些实施方案中,纱线通过将PTT的长丝和第二聚酯捻在一起形成,并且所述纱线可与PTT和/或另一种聚酯的纱线捻织。这些和其它实施方案将在下文中更充分地描述。
本文所用的术语“长丝”是指通过从喷丝头挤出制成的单根、连续的纤维。聚酯长丝通常具有至多30dpf(旦尼尔/长丝)的纤度。
本文所用的术语“纱线”是指多根长丝。多根长丝可由单个喷丝头生产并被交织在一起以形成纱线。作为另外一种选择,得自两个或更多个喷丝头的多根长丝可被捻在一起以形成纱线。
如本文所用,PTT长丝为包含PTT的长丝并且可包含至多约15%的另一种聚酯。因此,当用于本文时,术语“PTT长丝”旨在包括由100%PTT制成的长丝,并且也包括具有至多约15%的另一种聚酯的长丝,其中其它聚酯可为例如PET、PTT或PBT。
如本文所用,PET长丝可由PET均聚物或共聚物制得。例如,共聚物可包含乙二醇和另一种单体。为了用于本文所公开的实施方案,共聚物通常包含100至85%的乙二醇和0至15%(CHDM)的环己烷二甲醇。
除非另外指明,本文所述的所有百分比均基于重量计。
为了制备诸如地毯的成品,纱线被传送至为保持线轴的装置的线轴架,其中每个线轴具有旋绕着它的纱线。线轴的纱线可被捻织然后热定型在一起以形成“即可成簇”纱线(本文中被称为RTT)。根据本发明的实施方案,RTT由混合的聚酯纱线形成。
根据本发明的实施方案,纱线和/或由纱线形成的RTT可包含不同聚酯组合物的长丝。RTT可被用来制备地毯。
因此,在一些实施方案中,两种或更多种不同聚酯组合物的多根长丝可被混合(交织)以制备混合的聚酯纱线,所述聚酯组合物可包括聚酯均聚物和/或聚酯共聚物。作为另外一种选择,单一聚酯组合物的多根长丝可与第二单一聚酯组合物的多根长丝交织在一起以制备混合的聚酯纱线。因此,包含0至100%聚(对苯二甲酸丙二酯)(PTT)和100至0%的另一种聚酯的单个长丝的第一纱线组分可与包含0至100%的第二聚酯和100至0%PTT的单个长丝的第二纱线组分混合(捻织),其中所述另一种聚酯可包括聚酯均聚物和/或聚酯共聚物。例如,包含30%PTT长丝和70%另一种聚酯长丝的第一纱线可与包含30%PTT长丝和70%另一种聚酯长丝的第二纱线混合(捻织)以形成RTT。
在优选的实施方案中,第二聚酯为PET。可被用作第二聚酯的其它聚酯包括聚对苯二甲酸丁酯。
在优选的实施方案中,所述RTT包含30%至90%的第一纱线组分,所述第一纱线组分包含PTT长丝和70%至10%的包含PET长丝的第二纱线组分。例如,第一纱线组分可包含0至15%的共混在PTT长丝内的PET长丝。根据捻在一起的纱线数量,RTT可包含具有PET的一根或多根纱线(并且由于更低的dpf而具有更轻的重量)和/或一根或多根包含PTT的纱线(并且由于更高的dpf而更重)。
在优选的实施方案中,由混合的聚酯纱线的RTT制成的地毯包含至少30%的PTT,更优选至少40%的PTT,并在一些高度优选的实施方案中,包含50%的PTT或更多。尽管对PTT含量没有上限,通常纱线中的PTT含量为90%或更低,优选80%或更低,更优选70%或更低。
PTT的长丝可具有至少6dpf,并且优选6至20dpf的旦尼尔/长丝范围,并且PET纱线优选具有至少6dpf的旦尼尔/长丝。优选地,PET纱线具有比PTT纱线更低的dpf。更低dpf的PET纤维提供更柔软的总体感觉,而更高dpf的PTT纤维提供更好的抗压性和高品质地毯中所期望的耐磨性。
一根或多根PET纱线可与一根或多根PTT纱线以多种加捻/英寸(tpi),通常3至9,捻织在一起。作为另外一种选择,PET或PTT纱线可独立地以3-9tpi捻织在一起。
为了制备地毯,通常使用膨化长丝(bcf)纱线。bcf纱线通常由约1 50单个长丝组成。因此,根据本发明的实施方案,bcf包含不同聚酯的单个纱线。
在一些可供选择的实施方案中,地毯可由短纤纱制成。短纤纱由长丝的绳样结构(被称为“丝束”)形成,其然后被切成约1至6英寸长度的人造短纤维。为了制造丝束,多根长丝,例如得自不同喷丝头的约1 50根长丝,被交织在一起成丝束。所述长丝可为相同的或不同的聚酯组合物。通常每个丝束被卷曲、干燥并热固化,然后在短纱与得自另一种丝束的短纱混合之前被切割成期望的短纱长度。所述短纤纱因此被共混成丝束。例如,各自被切割成短纱长度的PTT长丝的丝束和PET长丝的丝束可被共混在一起形成混合物,其然后被梳理成棉絮,其继而被拉伸成长条并用来制备纱线。
由混合的聚酯纱线的RTT制成的地毯可以多种方式制备。例如,地毯可由两种纱线组分制成,其中所述第一纱线组分由如本文定义的PTT纱线(即,包含至多约15%的聚酯而不是PTT)制成,并且所述第二纱线组分由PET、PBT或另一种聚酯的纱线制成。所述纱线组分可以多种方式分布在地毯内。例如,图案可通过两种纱线组分的分布形成,并且由于在两组分的地毯之中所述聚酯在染色特性上的差异,所述组分可具有不同的外观。
地毯可用捻织的PTT/PET纱线或者捻织的PTT纱线与捻织的PET纱线的混合物,以包含0至100%的毛圈绒头和100至0%的割绒的结构来构造。在一些实施方案中,地毯包含至多25%的毛圈绒头和至多75%的割绒。作为另外一种选择,地毯可具有毛圈绒头部分和割绒部分,其中所述毛圈绒头部分由捻织的PET构造,并且所述割绒部分由捻织的PTT构造。这样类型的构造,包括割绒和毛圈绒头两者,由于使用更低成本的PET,可提供成本优势,同时保持与使用PTT相关的耐久性和回弹力,因此获得来自两种纱线的有益效果。染料体系可为单一染料,其中地毯可用一种着色配方染色但是产生更浅和更深色调的混合,或者在一些实施方案中,可使用聚酯染料的混合物和不同染料的活化温度以获得单一色调结果。
由混合的聚酯制成的地毯提供对于地毯中常规的单组分聚酯纤维纱线的优点,包括:1)可制备具有聚酯体系相容的可再利用性的纱线和地毯;2)与完全由PTT或尼龙制备的地毯相比,可实现总体成本的降低;3)可提供永久的防污性;4)由所述纱线制成的地毯的耐磨性能可等于或优于100%尼龙地毯的耐磨性能;5)所述纱线通常比尼龙更快地干燥;6)所述纱线具有允许新样式和增强外观的染色性能;7)由于使用更耐用的聚酯分散染料而不是用于尼龙的有机酸染料,可获得比尼龙地毯更好的耐光性和耐漂白性;8)由于更少的与水分相关的纱线溶胀,可获得更好的尺寸稳定性;9)地毯可比用相同构造制成的PET地毯具有更柔软的感觉,和10)由所述纱线制成的地毯可以相同的染色方法并使用相同的或混合的聚酯分散染料来染色。
作为对染色的可供选择的替代方案,所述纱线可通过在挤出期间将颜料包括在聚酯中而被着色。由该方法着色的纱线在本领域中已知为“纺前着色的纱线”。

Claims (15)

1.混合的聚酯纱线,包含第一纤维组分和第二纤维组分,其中所述第一纤维组分包含聚(对苯二甲酸丙二酯)长丝,并且所述第二纤维组分包含第二聚酯的长丝。
2.根据权利要求1所述的混合的聚酯纱线,其中所述第二聚酯为聚(对苯二甲酸丙二酯)。
3.根据权利要求1所述的混合的聚酯纱线,其中基于所述第一纤维组分的总重量计,所述第一纤维组分包含至少约85重量%的聚(对苯二甲酸丙二酯)长丝。
4.根据权利要求1所述的混合的聚酯纱线,其中基于所述混合的聚酯纱线的总重量计,所述纱线包含30重量%至90重量%的第一纤维组分和70重量%至10重量%的第二纤维组分。
5.根据权利要求1所述的混合的聚酯纱线,其中所述第一纤维组分包含具有至少6dpf纤度的长丝。
6.根据权利要求1所述的混合的聚酯纱线,其中所述第二纤维组分包含具有至少6dpf纤度的长丝。
7.根据权利要求1所述的混合的聚酯纱线,其中所述第一纤维组分包含两根或更多根纤维,所述纤维包含聚(对苯二甲酸丙二酯)。
8.地毯,包含权利要求1所述的混合的聚酯纱线。
9.由权利要求1所述的混合的聚酯纱线制成的地毯,其中所述地毯包括毛圈绒头和割绒中的至少一种。
10.根据权利要求9的地毯,包含毛圈绒头纱线和割绒纱线,其中所述毛圈绒头纱线包含聚(对苯二甲酸乙二酯)长丝,并且所述割绒纱线包含聚(对苯二甲酸丙二酯)长丝。
11.地毯,包含第一纱线组分和第二纱线组分,其中所述第一纱线组分包含PTT纱线,并且所述第二纱线组分包含PET纱线。
12.由短纤纱制成的地毯,其中所述短纤纱包含PTT和第二聚酯。
13.根据权利要求11所述的地毯,其中所述第二聚酯为PET。
14.由权利要求1所述的混合的聚酯纱线制成的地毯,其中所述地毯在聚酯挤出期间通过颜料着色被着色。
15.由根据权利要求1所述的混合的聚酯纱线制成的地毯,其中所述地毯通过分散染料被着色。
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