WO2021097668A1 - 一种黑色海岛网络丝加工工艺 - Google Patents

一种黑色海岛网络丝加工工艺 Download PDF

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Publication number
WO2021097668A1
WO2021097668A1 PCT/CN2019/119455 CN2019119455W WO2021097668A1 WO 2021097668 A1 WO2021097668 A1 WO 2021097668A1 CN 2019119455 W CN2019119455 W CN 2019119455W WO 2021097668 A1 WO2021097668 A1 WO 2021097668A1
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Prior art keywords
sea
island
black sea
phase
processing technology
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PCT/CN2019/119455
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English (en)
French (fr)
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史连明
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江苏盛恒化纤有限公司
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Publication of WO2021097668A1 publication Critical patent/WO2021097668A1/zh

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/04—Melting filament-forming substances
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres

Definitions

  • Sea-island fiber is a kind of polymer dispersed in another polymer, the dispersed phase in the fiber cross section is in the "island” state, and the matrix is an alkali-soluble chip equivalent to the "sea", viewed from the cross section, it is a component It is surrounded by another substance in a fine and dispersed state, like many islands in the sea. After alkali solution treatment, it is a superfine fiber with a monofilament size of only 0.05D. It has: 1. High coverage; 2. The hand feels soft and comfortable to wear after being processed into clothing; 3. The fabric has a smooth luster.
  • the purpose of the present invention is to solve the problems mentioned in the background art, and proposes a black sea-island network wire processing technology.
  • a black sea-island network wire processing technology including the following steps:
  • Marine phase drying treatment use polyethylene as the marine phase component, and put the marine phase component into a dryer equipped with electrostatic dust removal equipment;
  • Crimping crimp the nascent filaments formed in the above S6 into tows by a crimping machine;
  • the drafting temperature of the drafting machine in the S6 is 60-85°C
  • the drafting ratio is 1.3-1.75
  • the drafting speed is 90-125m/min.
  • the parts not involved in the device are the same as the prior art or can be realized by the prior art. Because there are a lot of alkaline substances in the "sea" alkaline soluble slices, these substances are prone to adhesion during the drying process, so The present invention first performs drying treatment on the sea phase, specifically putting the "sea" phase ingredients into a dryer equipped with electrostatic dust removal equipment to ensure precise control of the temperature of the alkali-soluble slices, and the dried "sea”
  • the phase components are mixed with the "island” phase components in a mass fraction ratio of 1:1, and then the mixed materials are put into the screw extruder for melting treatment, and the melted melt is put into the filter In order to filter out the molten material contained in the mixture, the melt is then transported to the spinning box by the metering pump, and is evenly distributed to the spinneret holes in the spinneret assembly by the metering pump for spinning.
  • the silk is formed into spun silk, and then cooled by a fan, so that the spun silk is drawn and bundled by the drafting machine, and then the spun spun silk is crimped into a tow by the crimping machine, and finally heat-set, cut, and packaged After making finished products;
  • the "sea" phase alkali-soluble slices are pre-dried, specifically by adding electrostatic dust removal equipment to control the temperature of the "sea” phase alkali-soluble slices to be constant; at the same time, the mixture is melted in the screw extruder At the same time, by controlling the error accuracy of the temperature range of each zone of the screw extruder to 0.1°C, the purpose of precise temperature control is achieved; the temperature of the "sea” phase alkali soluble slices can be accurately controlled to prevent the "sea” phase
  • the alkaline substance contained in the component is bound to the "sea" phase component of the sea-island fiber due to temperature changes, which adversely affects the process performance of the sea-island fiber.
  • a black sea-island network wire processing technology including the following steps:
  • Marine phase drying treatment use polyethylene as the marine phase component, and put the marine phase component into a dryer equipped with electrostatic dust removal equipment;
  • Crimping crimp the nascent filaments formed in the above S6 into tows by a crimping machine;
  • the relative viscosity of nylon in S1 is 2.80-2.83, and the moisture content of dried marine components in S1 is less than 30 ppm.
  • the drafting temperature of the drafting machine in S6 is 60-85°C, the drafting ratio is 1.3-1.75, and the drafting speed is 90-125m/min.
  • melt is transported to the spinning box by the metering pump, and distributed evenly into the spinneret holes in the spinneret assembly by the metering pump, and then spun into spun yarn, and then cooled by the fan, so as to use the drawing
  • the stretch machine pulls the spun silk into bundles and forms it, and then crimps the spun spun silk into tows through the crimping machine, and is finally heat-set, cut, and packaged into finished products;
  • the "sea" phase alkali-soluble slices are pre-dried, specifically by adding electrostatic dust removal equipment to control the temperature of the "sea” phase alkali-soluble slices to be constant; at the same time, the mixture is melted in the screw extruder At the same time, by controlling the error accuracy of the temperature range of each zone of the screw extruder to 0.1°C, the purpose of precise temperature control is achieved; the temperature of the "sea” phase alkali-soluble slices can be accurately controlled to prevent the "sea” phase
  • the alkaline substance contained in the component is bound to the "sea" phase component of the sea-island fiber due to temperature changes, which adversely affects the process performance of the sea-island fiber.
  • a black sea-island network wire processing technology including the following steps:
  • the relative viscosity of nylon in S1 is 2.80-2.83, and the moisture content of dried marine components in S1 is less than 30 ppm.
  • the melting temperature range of each zone of the screw extruder in S3 is 283-289°C, and the temperature accuracy of each zone retains one digit after the decimal point.
  • the temperature of each zone is 283.3°C, 285.5°C, 287.6°C, 288.5°C, 287.8°C.
  • a fan is used for cooling, and the fan speed is 2000-2200r/min, and the fan temperature is 18-20°C.
  • the speed of the metering pump in S5 is 13-15r/min, and the specification of the metering pump is 150-180cm 3 /r.
  • the smoothness of the spinneret of the spinneret assembly in S5 is> 0.8 ⁇ m.
  • the winding speed of the winding machine in S7 is 2500-3000m/min.
  • S8 medium heat setting adopts fan cooling and setting.
  • the "sea" phase alkali-soluble slices are pre-dried, specifically by adding electrostatic dust removal equipment to control the temperature of the "sea” phase alkali-soluble slices to be constant; at the same time, the mixture is melted in the screw extruder At the same time, by controlling the error accuracy of the temperature range of each zone of the screw extruder to 0.1°C, the purpose of precise temperature control is achieved; the temperature of the "sea” phase alkali-soluble slices can be accurately controlled to prevent the "sea” phase
  • the alkaline substance contained in the component is bound to the "sea" phase component of the sea-island fiber due to temperature changes, which adversely affects the process performance of the sea-island fiber.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

一种黑色海岛网络丝加工工艺，属于纤维生产工艺技术领域。该黑色海岛网络丝加工工艺包括以下步骤：S1.海相干燥处理；S2.混料；S3.熔融；S4.熔体过滤；S5.计量纺丝；S6.集束成型；S7.卷曲成型；S8.成品成型。通过对"海"相碱溶性切片进行预先的干燥处理，具体通过加装静电除尘设备来控制"海"相碱溶性切片的温度恒定；同时，在螺杆挤压机对混合物料进行熔融处理时，通过控制螺杆挤压机各区的温度范围的误差精度在0.1℃，以达到对"海"相碱溶性切片的温度进行精确控制，以防止"海"相组分中含有的碱性物质因温度变化而粘结在海岛纤维的"海"相组分中，而对海岛纤维的工艺性能带来不利影响。

Description

一种黑色海岛网络丝加工工艺 技术领域
本发明涉及纤维生产工艺技术领域，尤其涉及一种黑色海岛网络丝加工工艺。
背景技术
海岛纤维是将一种聚合物分散于另一种聚合物中，在纤维截面中分散相呈“岛”状态，而母体则为碱溶性切片相当于“海”，从横截面看是一种成份以微细而分散的状态被另一种物质包围，象海中的许多岛屿，经碱溶处理后是一种单丝纤度仅为0.05D的超细纤维，它具有：1.高覆盖性；2.手感袤软、加工成服装后穿着舒适；3.织物光泽袤和。
制作海岛纤维的关健在于：1.“岛”与“岛”之间不能粘连。2.“海”越小越好，“海”与“岛”是不同特性的涤纶材料，由于“海”相碱溶性切片中存在着大量的碱性物质，这类物质在干燥过程中易发生黏结，因而会导致该类碱性物质弥散在海岛纤维的“海”相组分中，而对海岛纤维的工艺性能带来不利影响；同时由于“海”相组分作为一种介质，在制备完成后是无用的废物，因此“海”相越少越好，且将“海”的组分降得越少，在后续整理时对环镜污染、生产成本、以及生产效益均具有积极的作用，因此需要设计一种能够将原来海岛纤维中“海”相碱溶性切片的比例有效降低的黑色海岛纤维网络丝加工工艺。
发明内容
本发明的目的解决上述背景技术中提到的问题，而提出的一种黑色海岛网络丝加工工艺。
为了实现上述目的，本发明采用了如下技术方案：
一种黑色海岛网络丝加工工艺，包括以下步骤：
S1.海相干燥处理：以聚乙烯为海相的组分，对海相组分投入加装有静电除尘设备的干燥器中；
S2.混料：以尼龙为岛的组分，将聚乙烯和尼龙按质量分数1：1的比例进行混料；
S3.熔融：将上述S2制得的混合物料投入螺杆挤压机中进行熔融；
S4.熔体过滤：将上述S3制得的熔融体投入过滤器中对熔融体进行过滤；
S5.计量纺丝：将上述S4中过滤后的熔融体经计量泵输送至纺丝箱体内，并均匀分布至喷丝板组件的喷丝孔中，纺丝成初生丝，并进行冷却处理；
S6.集束成型：将上述S5中制得的初生丝经牵伸机牵引后集束成型；
S7.卷曲成型：将上述S6中集束成型的初生丝经卷曲机卷曲成丝束；
S8.成品成型：将上述S7中卷曲成型的初生丝依次经热定型、切断、打包后制成成品。
优选的，所述S1中尼龙的相对粘度为2.80-2.83，所述S1中海 相组分经干燥后的含水率＜30ppm。
优选的，所述S3中的螺杆挤压机各区熔融温度范围为283-289℃。
优选的，所述S5中采用风机进行冷却处理，且所述风机转速为2000-2200r/min，风机温度为18-20℃。
优选的，所述S5中计量泵的转速为13-15r/min，且计量泵的规格为150-180cm 3/r。
优选的，所述S5中喷丝组件的喷丝板的光洁度为＞0.8μm。
优选的，所述S6中牵伸机的牵伸温度为60-85℃，牵伸倍数为1.3-1.75，牵伸速度为90-125m/min。
优选的，所述S7中卷绕机的卷绕速度为2500-3000m/min。
优选的，所述S8中热定型采用风机冷却定型。
与现有技术相比，本发明提供了一种黑色海岛网络丝加工工艺，具备以下有益效果：
该装置中未涉及部分均与现有技术相同或可采用现有技术加以实现，由于“海”相碱溶性切片中存在着大量的碱性物质，这类物质在干燥过程中易发生黏结，因此本发明首先对海相进行干燥处理，具体为将“海”相成分投入到加装有静电除尘设备的干燥器中，来确保对碱溶性切片的温度进行精确控制，经干燥后的“海”相组分同“岛”相组分按质量分数1:1的比例进行混料，进而将混合后的物料投入到螺杆挤压机中进行熔融处理，并对熔融后的熔融体投入到过滤器中进行过滤处理，以滤除夹杂在混合物中的位熔融物料，继而将熔融体经 计量泵输送至纺丝箱内，通过计量泵均匀分布至喷丝板组件中的喷丝孔中，进行纺丝成型成初生丝，并进而通过风机进行冷却处理，从而利用牵伸机对初生丝牵引集束成型，而后通过卷曲机将集束成型的初生丝卷曲成丝束，并最终经热定型、切断、打包后制成成品；
本发明通过对“海”相碱溶性切片进行预先的干燥处理，具体通过加装静电除尘设备来控制“海”相碱溶性切片的温度恒定；同时，在螺杆挤压机对混合物料进行熔融处理时，通过控制螺杆挤压机各区的温度范围的误差精度在0.1℃，以达到对温度精确控制的目的；以达到对“海”相碱溶性切片的温度进行精确控制，以防止“海”相组分中含有的碱性物质因温度变化而粘结在海岛纤维的“海”相组分中，而对海岛纤维的工艺性能带来不利影响。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。
实施例1：
一种黑色海岛网络丝加工工艺，包括以下步骤：
S1.海相干燥处理：以聚乙烯为海相的组分，对海相组分投入加装有静电除尘设备的干燥器中；
S2.混料：以尼龙为岛的组分，将聚乙烯和尼龙按质量分数1：1的比例进行混料；
S3.熔融：将上述S2制得的混合物料投入螺杆挤压机中进行熔 融；
S4.熔体过滤：将上述S3制得的熔融体投入过滤器中对熔融体进行过滤；
S5.计量纺丝：将上述S4中过滤后的熔融体经计量泵输送至纺丝箱体内，并均匀分布至喷丝板组件的喷丝孔中，纺丝成初生丝，并进行冷却处理；
S6.集束成型：将上述S5中制得的初生丝经牵伸机牵引后集束成型；
S7.卷曲成型：将上述S6中集束成型的初生丝经卷曲机卷曲成丝束；
S8.成品成型：将上述S7中卷曲成型的初生丝依次经热定型、切断、打包后制成成品。
S1中尼龙的相对粘度为2.80-2.83，S1中海相组分经干燥后的含水率＜30ppm。
S3中的螺杆挤压机各区熔融温度范围为283-289℃，且各区温度精度保留小数点后一位数字，各区的加热温度为284.2℃、286.5℃、287.6℃、298.8℃、288.2℃。
S5中采用风机进行冷却处理，且风机转速为2000-2200r/min，风机温度为18-20℃。
S5中计量泵的转速为13-15r/min，且计量泵的规格为150-180cm 3/r。
S5中喷丝组件的喷丝板的光洁度为＞0.8μm。
S6中牵伸机的牵伸温度为60-85℃，牵伸倍数为1.3-1.75，牵伸速度为90-125m/min。
S7中卷绕机的卷绕速度为2500-3000m/min。
S8中热定型采用风机冷却定型。
本发明中，由于“海”相碱溶性切片中存在着大量的碱性物质，这类物质在干燥过程中易发生黏结，因此本发明首先对海相进行干燥处理，具体为将“海”相成分投入到加装有静电除尘设备的干燥器中，来确保对碱溶性切片的温度进行精确控制，经干燥后的“海”相组分同“岛”相组分按质量分数1:1的比例进行混料，进而将混合后的物料投入到螺杆挤压机中进行熔融处理，并对熔融后的熔融体投入到过滤器中进行过滤处理，以滤除夹杂在混合物中的位熔融物料，继而将熔融体经计量泵输送至纺丝箱内，通过计量泵均匀分布至喷丝板组件中的喷丝孔中，进行纺丝成型成初生丝，并进而通过风机进行冷却处理，从而利用牵伸机对初生丝牵引集束成型，而后通过卷曲机将集束成型的初生丝卷曲成丝束，并最终经热定型、切断、打包后制成成品；
本发明通过对“海”相碱溶性切片进行预先的干燥处理，具体通过加装静电除尘设备来控制“海”相碱溶性切片的温度恒定；同时，在螺杆挤压机对混合物料进行熔融处理时，通过控制螺杆挤压机各区的温度范围的误差精度在0.1℃，以达到对温度精确控制的目的；以达到对“海”相碱溶性切片的温度进行精确控制，以防止“海”相组分中含有的碱性物质因温度变化而粘结在海岛纤维的“海”相组分中，而对海岛纤维的工艺性能带来不利影响。
实施例2：
一种黑色海岛网络丝加工工艺，包括以下步骤：
S1.海相干燥处理：以聚乙烯为海相的组分，对海相组分投入加装有静电除尘设备的干燥器中；
S2.混料：以尼龙为岛的组分，将聚乙烯和尼龙按质量分数1：1的比例进行混料；
S3.熔融：将上述S2制得的混合物料投入螺杆挤压机中进行熔融；
S4.熔体过滤：将上述S3制得的熔融体投入过滤器中对熔融体进行过滤；
S5.计量纺丝：将上述S4中过滤后的熔融体经计量泵输送至纺丝箱体内，并均匀分布至喷丝板组件的喷丝孔中，纺丝成初生丝，并进行冷却处理；
S6.集束成型：将上述S5中制得的初生丝经牵伸机牵引后集束成型；
S7.卷曲成型：将上述S6中集束成型的初生丝经卷曲机卷曲成丝束；
S8.成品成型：将上述S7中卷曲成型的初生丝依次经热定型、切断、打包后制成成品。
S1中尼龙的相对粘度为2.80-2.83，S1中海相组分经干燥后的含水率＜30ppm。
S3中的螺杆挤压机各区熔融温度范围为283-289℃，且各区温度 精度保留小数点后一位数字，各区温度为283.3℃、285.5℃、287.6℃、288.5℃、287.8℃。
S5中采用风机进行冷却处理，且风机转速为2000-2200r/min，风机温度为18-20℃。
S5中计量泵的转速为13-15r/min，且计量泵的规格为150-180cm 3/r。
S5中喷丝组件的喷丝板的光洁度为＞0.8μm，。
S6中牵伸机的牵伸温度为60-85℃，牵伸倍数为1.3-1.75，牵伸速度为90-125m/min。
S7中卷绕机的卷绕速度为2500-3000m/min。
S8中热定型采用风机冷却定型。
本发明中，由于“海”相碱溶性切片中存在着大量的碱性物质，这类物质在干燥过程中易发生黏结，因此本发明首先对海相进行干燥处理，具体为将“海”相成分投入到加装有静电除尘设备的干燥器中，来确保对碱溶性切片的温度进行精确控制，经干燥后的“海”相组分同“岛”相组分按质量分数1:1的比例进行混料，进而将混合后的物料投入到螺杆挤压机中进行熔融处理，并对熔融后的熔融体投入到过滤器中进行过滤处理，以滤除夹杂在混合物中的位熔融物料，继而将熔融体经计量泵输送至纺丝箱内，通过计量泵均匀分布至喷丝板组件中的喷丝孔中，进行纺丝成型成初生丝，并进而通过风机进行冷却处理，从而利用牵伸机对初生丝牵引集束成型，而后通过卷曲机将集束成型的初生丝卷曲成丝束，并最终经热定型、切断、打包后制成成品；
本发明通过对“海”相碱溶性切片进行预先的干燥处理，具体通过加装静电除尘设备来控制“海”相碱溶性切片的温度恒定；同时，在螺杆挤压机对混合物料进行熔融处理时，通过控制螺杆挤压机各区的温度范围的误差精度在0.1℃，以达到对温度精确控制的目的；以达到对“海”相碱溶性切片的温度进行精确控制，以防止“海”相组分中含有的碱性物质因温度变化而粘结在海岛纤维的“海”相组分中，而对海岛纤维的工艺性能带来不利影响。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (9)

  1. 一种黑色海岛网络丝加工工艺，其特征在于，包括以下步骤：
    S1.海相干燥处理：以聚乙烯为海相的组分，对海相组分投入加装有静电除尘设备的干燥器中；
    S2.混料：以尼龙为岛的组分，将聚乙烯和尼龙按质量分数1：1的比例进行混料；
    S3.熔融：将上述S2制得的混合物料投入螺杆挤压机中进行熔融；
    S4.熔体过滤：将上述S3制得的熔融体投入过滤器中对熔融体进行过滤；
    S5.计量纺丝：将上述S4中过滤后的熔融体经计量泵输送至纺丝箱体内，并均匀分布至喷丝板组件的喷丝孔中，纺丝成初生丝，并进行冷却处理；
    S6.集束成型：将上述S5中制得的初生丝经牵伸机牵引后集束成型；
    S7.卷曲成型：将上述S6中集束成型的初生丝经卷曲机卷曲成丝束；
    S8.成品成型：将上述S7中卷曲成型的初生丝依次经热定型、切断、打包后制成成品。
  2. 根据权利要求1所述的一种黑色海岛网络丝加工工艺，其特征在于，所述S1中尼龙的相对粘度为2.80-2.83，所述S1中海相组分经干燥后的含水率＜30ppm。
  3. 根据权利要求1所述的一种黑色海岛网络丝加工工艺，其特 征在于，所述S3中的螺杆挤压机各区熔融温度范围为283-289℃。
  4. 根据权利要求1所述的一种黑色海岛网络丝加工工艺，其特征在于，所述S5中采用风机进行冷却处理，且所述风机转速为2000-2200r/min，风机温度为18-20℃。
  5. 根据权利要求1所述的一种黑色海岛网络丝加工工艺，其特征在于，所述S5中计量泵的转速为13-15r/min，且计量泵的规格为150-180cm 3/r。
  6. 根据权利要求1所述的一种黑色海岛网络丝加工工艺，其特征在于，所述S5中喷丝组件的喷丝板的光洁度为＞0.8μm。
  7. 根据权利要求1所述的一种黑色海岛网络丝加工工艺，其特征在于，所述S6中牵伸机的牵伸温度为60-85℃，牵伸倍数为1.3-1.75，牵伸速度为90-125m/min。
  8. 根据权利要求1所述的一种黑色海岛网络丝加工工艺，其特征在于，所述S7中卷绕机的卷绕速度为2500-3000m/min。
  9. 根据权利要求1所述的一种黑色海岛网络丝加工工艺，其特征在于，所述S8中热定型采用风机冷却定型。
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