CN100451204C - Double component molten and jetted non-woven fabric and its making process - Google Patents

Double component molten and jetted non-woven fabric and its making process Download PDF

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CN100451204C
CN100451204C CN 200610130079 CN200610130079A CN100451204C CN 100451204 C CN100451204 C CN 100451204C CN 200610130079 CN200610130079 CN 200610130079 CN 200610130079 A CN200610130079 A CN 200610130079A CN 100451204 C CN100451204 C CN 100451204C
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meltblown
bicomponent
nonwoven fabric
melt
fibers
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CN1974906A (en
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亚 刘
姚金波
康卫民
张伟力
杨文娟
程博闻
邢克琪
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天津泰达洁净材料有限公司;天津工业大学
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Abstract

本发明涉及一种双组份熔喷非织造布及其制造方法。 The present invention relates to a bicomponent nonwoven fabric melt-blown and a manufacturing method. 该非织造布由并列型双组份熔喷复合纤维制成,纤维的纤度范围为0.01~2μm,平均纤度为0.5~0.7μm,且纤度不超过1μm的纤维量占纤维总量的50~70%;所述纤维的质量百分比组方为:PP 30~70%,PET 70~30%。 The total amount of fibers of the fibrous nonwoven fabric made by a meltblown bicomponent parallel type composite fiber, the fiber fineness range is 0.01 ~ 2μm, an average fineness of 0.5 ~ 0.7μm, 1μm and a fineness of not more than 50 to 70 %; mass percentage of the fibers is prescription: PP 30 ~ 70%, PET 70 ~ 30%. 该非织造布制造方法采用本发明所述的纤维质量百分比组方和如下工艺步骤:(1)先把PET干燥预处理:(2)再以PP/PET熔喷复合纺丝技术直接制造所述的双组份熔喷非织造布。 The method of manufacturing a nonwoven fabric using the fiber mass percentage of prescriptions and the process steps of the present invention: (1) first pre-dried PET: (2) then to PP / PET meltblown composite spinning technique for producing a direct the two-component meltblown nonwovens. 本发明非织造布做保温材料具有更好的蓬松性、柔软度、透气性和保温性,做过滤材料具有更高的过滤效率。 Nonwoven fabric made of the present invention have better thermal insulation material bulkiness, flexibility, air permeability and thermal insulation, as filter material having a greater filtration efficiency.

Description

一种双组份傳哦非织造布及其制造方法 A two component mass oh nonwoven fabric manufacturing method thereof

技术领域 FIELD

本发明涉及非织造布技术,具体为一种由PET/PP纳微级并列型双组份熔喷复合纤维直接制成的双组份熔喷非织造布及其制造方法,国际专利主分类号拟为Int.Cl D01F1/09 (2006.01)。 The present invention relates to a nonwoven fabric technique, the particular as a PET / PP bicomponent side-by-stage micro-nano bicomponent meltblown nonwoven fabric and its manufacturing method, the main international patent classification meltblown conjugate fiber made directly proposed for Int.Cl D01F1 / 09 (2006.01).

背聚技术 Back poly technology

多年来,化学纤维在多种不同领域的应用都有了急剧的增长,但是目前还没有一种理想的单一纤维可以满足所有的需求,这就导致了双组份纤维的出现。 Over the years, the application of chemical fiber in a variety of different areas have a dramatic increase, but there is no ideal single fiber to meet all the demand, which led to the emergence of two-component fibers. 双组份纤维通常是指由两种聚合物分别从至少两台嫘杆挤出机中挤出后经过特殊的喷丝孔形成的一种纤维,其结构可以是皮芯型,也可以是并列型或其他类型的断面结构。 Bicomponent fibers were generally refers to a fiber after extrusion through a special nozzle hole is formed from at least two extruders Lei rod by two polymers, which may be a sheath-core structure, may be juxtaposed type or other types of cross-sectional structure.

熔喷法制造非织造布是一种通用的、成本可行的用聚合物直接生产微纤维结构的非织造布的制造方法。 Melt blown nonwoven fabric manufacturing method is a general method of manufacturing costs possible direct production of a nonwoven fabric structure with a polymer microfibers. 由于熔喷技术生产的纤维很细,同时熔喷布具有很大的比表面积、空隙小而孔隙率大,其过滤性、屏蔽性、 绝热性和吸油性等应用特性是其它单独工艺生产的非织造布所难以具备的,因此熔喷法非织造布广泛应用于制造医用和工业用口罩、保暖材料、过滤材料、医疗卫生材料、吸油材料、擦拭布、电池隔板以及隔音材料等。 Since the fiber meltblown technology to produce very fine, meltblown while having large surface area, small and large void porosity, filterability application properties, shielding properties, insulating properties and oil resistance and the like are produced by a separate process other non the nonwoven fabric difficult to have, therefore meltblowing nonwoven fabric widely used in medical and industrial manufacturing mask, thermal materials, filter materials, medical materials, oil absorbent material, wipes, battery separators and insulation materials and the like.

双组份复合纺丝技术用在熔喷法非织造布工业中,可以改善产品的弹性、柔软性、结合力、强度、耐用性等。 Bicomponent meltblown composite spinning technique nonwovens industry, the product can be improved elasticity, softness, adhesion, strength, durability, and the like. 与单组份熔喷纤维枏比较, 双组份纤维能够获得更高的回弹性和更好的蓬松性。 Compared with the one-component meltblown fibers nan, two-component fibers can achieve higher resilience and better bulkiness. 因此,以双组份熔喷纤维特别是超细双组份熔喷纤维制得的熔喷非织造布具有手感柔软、 强度大、蓬松度高、保暖性能好、过滤效率高等诸多优点。 Thus, the ultrafine fibers, in particular bicomponent melt blown bicomponent meltblown fibers made of melt-blown nonwoven fabric having a soft, high strength, and high bulkiness, good thermal properties, filtration efficiency advantages.

双组份纤维技术对熔喷法非织造布有两方面的积极作用:①可使用 Bicomponent fiber technology has a positive effect both on the meltblown nonwoven fabric: ① use

在常规纤维生产中不可纺的原料作为双组份纤维的原料;②可开发具 In the production of non-conventional fiber spinning of the bicomponent fibers as a raw material; ② can be developed with

有独特材料和性能组合的各种非织造布新产品。 There are a variety of unique materials and new product performance nonwovens portfolio. 这些产品和性能是单一 These products and the performance of a single

聚合物所不能取得的,是用常规纤维技术不能达到的。 The polymer can not be obtained, and by the conventional techniques can not reach the fiber.

在保暖材料领域,美国3M公司开发的一系列以熔喷法非织造布为主体的产品在世界流行。 In the field of thermal materials, the United States 3M developed a series of meltblown nonwovens as the main products in the world of pop. 这种保暖材料的基本组成是65^的PP熔喷纤维和35%的粗旦三维巻曲PET短纤维。 Such thermal materials consisting essentially of 65 ^ of PP meltblown fibers and 35% of coarse denier PET staple fibers three-dimensional curved Volume. 加入粗旦三维巻曲PET短纤维的目的是为了解决PP熔喷纤维的蓬松性问题。 The purpose of adding three-dimensional coarse denier PET staple song Volume is to solve the problem of fluffy PP meltblown fibers. 在国内,经过国家级检测单位测定,相同重量的服装保温材料中,熔喷布保温效果最好。 In China, the national testing through measurement unit, the weight of clothing in the same insulation material, meltblown best insulation effect. 国内一些单位曾尝试在以PP熔喷法非织造布为主做成的保暖材料中添加高巻曲粗旦PET短纤维,但这两种纤维如何混合均匀难于解决。 Some domestic units have tried to add high Volume song coarse denier PET staple fiber with PP meltblown nonwovens mainly made of warm materials, but this is how the two fibers mixed difficult to resolve.

在过滤材料领域,目前所使用的熔喷过滤材料均为PP单组份纤维, 经过驻极之后,过滤效率虽可达99.99%,但产品的强力较低,过滤阻力达不到髙效过滤材料的要求,不能满足市场需求。 In the field of filter material, melt-blown filter material currently used are PP-component fiber, After electret, although filtration efficiency up to 99.99%, but less powerful product, filtration resistance of less than Gao efficiency filter material requirements, can not meet market demand. 因此如何在提高过滤效率的同时使过滤阻力达到高效过滤材料的要求,是熔喷过滤材料需要解决的技术难题。 Therefore, how to meet the requirements of resistance of the filter efficiency of the filter material while improving filtration efficiency, the filter material is a meltblown technical problems to be solved.

发明内容 SUMMARY

针对现有技术的不足,本发明拟解决的技术问题是,设计一种双组份熔喷非织造布及其制造方法,该非织造布由PP/PET并列型双组份烙喷复合纤维构成,具有手感柔软、强度大、蓬松度高、保暖性能好、过滤效率高等优点;该非织造布制造方法具有工艺简单,容易控制,且产量髙等优点。 For the deficiencies of the prior art, the present invention intends to solve the technical problem is to design a two-component nonwoven fabric melt-blown and a manufacturing method of the nonwoven fabric of PP / PET type side by side bicomponent fibers baked and Spray , having a soft, high strength, and high bulkiness, good thermal performance, high efficiency filtration; the method of manufacturing a nonwoven fabric having a simple process, easy to control, and Gao yield advantages.

本发明解决所述非织造布技术问题的技术方案是:设计一种双组份熔喷非织造布,其由并列型双组份熔喷复合纤维制成,该并列型双组份熔喷复合纤维的纤度范围为0.01〜2jim,但平均纤度为0.5〜0.7jun,且纤度不超过Uim的纤维量占纤维总量的50~70%;所述并列型双组份熔喷复合纤维的质量百分比组方为- The present invention solves the technical problem nonwoven technical solution: Design of a two-component melt-blown nonwoven fabric, which is a parallel type composite meltblown bicomponent fibers, parallel type bicomponent meltblown composite that fiber fineness range is 0.01~2jim, but the average fineness of 0.5~0.7jun, and the fineness of not more than 50 to 70% of the total fiber amount of the fiber Uim; mass percentage of the parallel type bicomponent composite fibers of the meltblown prescription is -

PP 30〜70%, PET 70〜30%。 PP 30~70%, PET 70~30%. 本发明觯决所述非织造布制造方法技术问题的技术方案是:设计一种双组份熔喷非织造布的制造方法,其采用本发明所述的并列型双组份 The present invention is by no goblet nonwoven fabric Technical Problem technical solution: A method for producing a melt-blown design of a two-component nonwoven fabric, which employs the parallel type bicomponent of the present invention

熔喷复合纤维质量百分比组方和如下工艺步骤: Meltblown conjugate fiber mass percentage of prescriptions and the process steps:

(1) 预处理:先将所述PET组分切片放入沸腾床预结晶器中,在 (1) Pretreatment: first the PET component sections were placed in the fluidized bed pre-crystallizer, in

160〜18(TC下预结晶8〜15分钟,然后送入充填干燥机中,在160〜170t: 160~18 (TC pre-crystallization 8~15 minutes, and then filled into a dryer, in 160~170t:

下干燥2〜4小时; Dried 2 ~ 4 hours;

(2) 制造熔喷非织造布:在氮气保护下,把经预处理的PET组分 (2) Production of a melt-blown nonwoven fabric: Under nitrogen, the pretreated PET component

喂入一台蠊杆挤出机内,在270〜300t:下熔融;将PP组分直接喂入到 The cockroach feeding a bar extruder, in 270~300t: melt; PP component is fed directly to the

另一台嫘杆挤出机内,在210〜270'C下熔融;将两台蟝杆挤出机挤出的 Lei rod within another extruder, melted at 210~270'C; Qu the two rods of the extruder

熔体分别经过各自的熔体过滤器过滤和计量泵计量后,输入到同一熔喷 The melt after the melt, respectively, via respective filters and metering the metering pump, to the same input meltblowing

模头的喷丝孔处汇合喷出,在熔喷模头喷丝孔两側280〜300'C的热空气 Spinneret orifice of the die discharge confluence, both the hot air in meltblowing die 280~300'C nozzle hole

喷吹作用下,即可直接制成并列型双组份熔喷复合纤维,并在接收装置上靠其自身余热加固成所述的双组份熔喷非织造布。 Under the action of blowing, it can be directly made parallel type bicomponent composite meltblown fibers, and consolidated into a bicomponent meltblown nonwoven fabric of the heat by itself on the receiving device.

与现有技术产品相比,本发明的双组份熔喷非织造布,采用了PET/PP纳微级并列型双组份熔喷复合纤维,其比普通双组份熔喷纤维更细,手感更柔软,弹性、蓬松性、透气性和保温性能更好,更适宜做保暖材料或过滤材料。 Compared with the prior art products, bicomponent meltblown nonwoven fabric of the present invention, using a PET / PP side-by-stage micro-nano composite meltblown bicomponent fibers, which is finer than the ordinary bicomponent meltblown fibers, feel softer, more resilient, bulkiness, air permeability and thermal insulation performance, thermal material or more suitable as a filter material. 本发明的双组份熔喷非织造布制造方法采用两种聚合物直接纺丝形成并列型双组份熔喷复合纤维的方法,能直接稳定地生产纤度范围为0.01〜2jim,平均纤度为0.5〜0.7nm,且纤度不超过ljim 的纤维量占纤维总量50~70%的双组份熔喷非织造布,其工艺相对简单, 容易控制,且产品质量更好,产量更高,具有实际推广应用价值。 Bicomponent meltblown nonwoven fabric of the present invention is a manufacturing method using two parallel-type polymers direct spinning process for forming bicomponent meltblown conjugate fiber can be stably produced directly fineness range 0.01~2jim, an average fineness of 0.5 ~0.7nm, and the fineness of the fibers does not exceed the total amount of fibers ljim 50% to 70% bicomponent meltblown nonwoven fabric, which process is relatively simple, easy to control, and better product quality, higher yields, with the actual application value.

附圃说明 Description attached garden

图1为现有技术的双组份熔喷非织造布制造方法工艺流程示意图; 图2为本发明的双组份熔喷非织造布的制造方法工艺流程示意图。 Figure 1 is a prior art two-component meltblown nonwoven fabric manufacturing method of a schematic process flow; Flow chart for a method for producing meltblown bicomponent nonwoven fabric of the present invention. FIG. 2.

具体实旌方式 Specific Jing way

下面结合实施例进一步叙述本发明。 The following Examples further describe embodiments in conjunction with the present invention.

本发明设计的一种双组份熔喷非织造布,其由并列型双组W^喷复合纤维制成,该并列型双组份熔喷复合纤维的纤度范围为0.01〜2nm, 但平均纤度为0.5〜0.7^un,且纤度不超过lpn的纤维量占纤维总量的50〜70X;所述并列型双组份熔喷复合纤维的质量百分比组方为:PP30〜 The present invention is designed for a two-component melt-blown nonwoven fabric, which is a parallel type bicomponent fibers made of composite jet W ^, the parallel type bicomponent meltblown conjugate fiber fineness in the range of 0.01~2nm, but the average fineness is 0.5~0.7 ^ un, and the fineness of the fibers does not exceed the total amount 50~70X lpn fibers; and the parallel type bicomponent meltblown conjugate fiber mass percentage of prescription: PP30~

70%, PET70〜30%。 70%, PET70~30%.

现有的双组份熔喷非织造布,是在熔喷PP单组份纤维中加入离巻曲粗旦PET短纤维而制成的。 Conventional bicomponent melt-blown nonwoven fabric, melt blown PP is added in the one-component curved fiber from coarse denier PET Volume short fibers made. 这类熔喷双组份非织造布,虽可解决单组份PP熔喷纤维非织造布的蓬松性问题,但一方面两种纤维难以混合均匀, 使保暖的均匀性受到影响;另一方面由于加入了粗旦纤维,蓬松性又会受到影响,同时非织造布材料的柔软性能也会下降。 Such bicomponent meltblown nonwoven fabric, although one-component solve the problem of bulkiness of melt-blown PP nonwoven fabric fiber, but one of the two fibers is difficult to uniformly mix the warm uniformity is affected; on the other hand As inclusion of coarse denier fiber, fluffy will be affected, while a soft performance nonwovens will fall.

本发明的双组份熔喷非织造布(以下简称非织造布),由于采用了并列型双组份熔喷复合纤维,也即非织造布纤网中的纤维均为同一种并列型PET/PP双组份熔喷复合纤维(以下简称纤维),纤度更细,手感更柔软,且不存在现有技术的两种纤维(双组份)混合不均问题,因此本发明的非织造布产品具有更好的纤维獲盖性,更小的平均孔径,更好的均匀度,克服了现有技术产品中两种纤维混合不匀,使保暖性能下降等问题。 Bicomponent melt blown nonwoven fabric of the present invention (hereinafter referred to as nonwoven fabric), the use-side type composite meltblown bicomponent fibers, i.e. nonwoven web fibers are in the same parallel type PET / PP bicomponent meltblown conjugate fibers (hereinafter referred to as fiber) fineness finer, softer feel, and there is no prior art two fibers (bicomponent) the problem of uneven mixing, and therefore the nonwoven fabric product of the present invention a fiber having better cover properties obtained, a smaller average pore size, better uniformity, product prior art are overcome uneven mixing of two fibers, so that thermal performance deterioration. 试验表明,在相同定量的情况下,对于80g/i^的非织造布产品,本发明产品的克罗值能达到1.4m、X:/W,保温性能至少比现有技术同类产品提高10%,具有更好的保温性能。 Tests showed that the amount of the same case, 80g / i ^ nonwoven product, product Crowe present invention can reach values ​​of 1.4m, X: / W, thermal insulation properties at least 10% over the prior art similar products , has better thermal insulation properties. 另外,本发明非织造布由于PET 的存在,可克服原有单组份PP熔喷非织造布的强度不足的缺点,也可改变所述现有技术双组份熔喷非织造布的强力较低和分布不均的缺陷, 提高了产品的强力性能。 Further, the present invention is the presence of the nonwoven fabric of PET, can overcome the shortcoming of the original one-component PP melt-blown nonwoven fabric strength, the prior art may vary the bicomponent meltblown nonwoven fabric potent than low and uneven distribution of defects and improve the strength properties of the product.

本发明同时设计了双组份熔喷非织造布的制造方法,其采用本发明所述的并列型双组份熔喷复合纤维组方和如下工艺步骤: The present invention also have devised a method for producing bicomponent meltblown nonwoven fabric, which employs side-by-side bicomponent meltblown conjugate fiber group and the process steps of the present invention:

(1) 预处理:先将所述PET组分切片放入沸腾床预结晶器中,在160〜180r下预结晶8〜15分钟,然后送入充填干燥机中,在160〜170 'C下干燥2〜4小时; (1) Pretreatment: first the PET component sections were placed in the fluidized bed pre-crystallizer, pre-crystallized at 160~180r 8~15 minutes, and then filled into a dryer at 160~170 'C under drying 2 ~ 4 hours;

(2) 制造熔喷非织造布:在氮气保护下,把经预处理的PET组分喂入一台蠊杆挤出机内,在270〜300'C下熔融;将PP组分直接喂入到另一台嫘杆挤出机内,在210〜270'C下熔融;将两台螺杆挤出机挤出的熔体分别经过各自的熔体过滤器过滤和计量泵计量后,输入到同一熔喷模头的喷丝孔处汇合喷出,在熔喷模头喷丝孔两侧280〜300'C的热空气 (2) Production of a melt-blown nonwoven fabric: Under nitrogen, the PET component was fed to the pretreated rod a cockroach extruder, melted at 270~300'C; PP component directly fed Lei rod into another extruder, melted at 210~270'C; two screw extruder to melt, respectively, after the respective filters and melt metering pump metering, inputs to the same spinneret orifice meltblowing die discharge confluence, both the hot air in meltblowing die 280~300'C nozzle hole

喷吹作用下,即可直接制成并列型双组份熔喷复合纤维,并在接收装置上靠其自身余热加固成所述的双组份熔喷非织造布。 Under the action of blowing, it can be directly made parallel type bicomponent composite meltblown fibers, and consolidated into a bicomponent meltblown nonwoven fabric of the heat by itself on the receiving device.

现有技术的双组份熔喷非织造布的生产工艺流程为(参见图1):将PP切片喂入螺杆挤出机熔融,熔体经过滤器过滤、计量泵计量后进入熔喷模头,在两侧热空气的喷吹下形成PP单组份熔喷纤维,并在室温空气的作用下冷却成形后,再与热空气中混有的高巻曲粗旦PET短纤维共同收集成网,制成双组份熔喷非织造布,并经巻绕装置巻绕成巻。 Bicomponent melt blown nonwoven fabric production process of the prior art (see FIG. 1): The PP-screw extruder feed sections molten melt filtered through the filter, after the metering pumps are metered into a meltblown die, after forming the meltblown fibers in a single component PP blowing hot air on both sides, shaped and cooled under the influence of air at room temperature, and then mixed in a high curve Volume coarse denier PET staple fibers with hot air collected together into a network, bicomponent melt blown nonwoven fabric made of, and by the winding apparatus Volume Volume Volume wound. 该双 The double

组份熔喷非织造布的"双组份"是单组份PP熔喷纤维和高巻曲粗旦PET 短纤维两种纤维组分,由于工艺上所述的高巻曲粗旦PET短纤维是先混在热空气中,再与单组份PP熔喷纤维混合,因而其难于混合均匀,共同铺网所形成的双组份熔喷非织造布的均匀性较差;另一方面,由于所混入的是粗旦PET短纤维,因而在同重量下其保暖性也相对较差。 Component meltblown nonwoven fabric "two-component" monocomponent PP meltblown fibers and coarse denier PET Volume curved staple fiber component of the two fibers, according to the process because of high curvature Volume coarse denier PET staple fibers is first mixed with hot air, and then mixed with single component PP meltblown fibers, and thus it is difficult to uniformly mix homogeneity bicomponent melt blown nonwoven fabric formed by laying together poor; on the other hand, since the mixed coarse denier PET staple fibers, and thus the weight thereof in the same warm and relatively poor.

本发明非织造布的制造方法生产工艺流程为(参见图2):把所述比例的PET切片经所述的干燥预处理工序后,送入一台螺杆挤出机熔融, 该熔体经过滤器过滤、计量泵计量后,进入熔喷模头;把所述比例的PP 切片直接输入另一蠊杆挤出机熔融,该熔体经另一过滤器过滤、计量泵计量后,输入所述同一熔喷模头,在两侧热空气的喷吹下,即可形成并列型双组份熔喷复合纤维,在室温空气的冷却作用下成型并收集成网, 制成双组份熔喷非织造布,并巻绕成巻。 The nonwoven fabric manufacturing method of the present invention is the production process (see FIG. 2): The pre-drying step after the PET chips by the ratio, a screw extruder into a melt, the melt through a filter after filtration and metering pump metered into a meltblown die; the proportion of the PP sections rod directly into another cockroach melt extruder, the melt is filtered through a further filter, the metering pump metering, the input of the same meltblowing die, under blowing hot air on both sides, to form a parallel type composite meltblown bicomponent fibers, molded into the net and collected at room temperature and air cooling to prepare bicomponent meltblown nonwoven fabric and wound into Volume Volume.

本发明设计采用两种聚合物进行复合纺丝形成并列型双组份熔喷复合纤维非织造布,两种聚合物在形成熔喷双组份纤维的过程中,由于热收縮性能的不同,会使纤维产生不同的巻曲,并可以使部分双组份复合纤维发生分裂,形成的纤维比普通双组份熔喷纤维更细、更软。 The present invention is designed using two polymers formed parallel type conjugate spinning composite bicomponent melt blown fiber nonwoven fabric, during the formation of the meltblown bicomponent fibers, due to the different thermal shrinkage properties of the two polymers, will Volume fibers have different curvature, and can be made part of the composite bicomponent fiber splitting occurs, finer fibers than normal meltblown bicomponent fibers, softer. 试验表明,本发明非织造布由纤度范围为0.01〜2pm,但平均纤度为0.5〜0.7nm, 且纤度不超过Uim的纤维量占纤维总量的50〜70%的纳微级的并列型双组份熔喷复合纤维构成。 Tests showed that the present invention is a nonwoven fabric fineness range 0.01~2pm, but the average fineness of 0.5~0.7nm, and the fineness of not more than 50~70% of the total fiber amount of the fiber satisfied the micro level Uim parallel double composite component meltblown fibers. 相对于现有技术,本发明非织造布的成网均匀性更好,产品更柔软,保温性、透气性、过滤效率更高。 With respect to the prior art, better uniformity laid nonwoven fabric of the present invention, a softer product, insulation, air permeability, high filtration efficiency. 由于本发明纤维并列型双组份中的PET纤维刚性大、强度好,它还能改善现有技术单一PP熔喷布强力低的缺陷。 Since the parallel type bicomponent fibers of the invention in a PET fiber high rigidity, high strength, it can also improve the prior art single strength PP meltblown low defect. 在申请人已知的范围内,本发明所述的双 Within the range known to the applicant, the present invention is bis

组份熔喷非织造布及其制造方法还未见有紧密相关文献的具体报道。 Component meltblown nonwoven fabric manufacturing method thereof has not been closely related to the specific literature reported.

本发明同时还设计了一种双组份熔喷驻极非织造布的制造方法。 The present invention is also designed a two component method of manufacturing an electret melt blown nonwoven fabric. 该驻极非织造布制造方法的特征是在本发明所述非织造布制造方法的基础上,于所述的并列型双组份熔喷纤维刚从熔喷模头的喷丝孔汇合喷出 The electret nonwoven fabric manufacturing method of the present invention is characterized on the basis of the method of manufacturing a non-woven cloth, on the discharge side type bicomponent meltblown fibers confluent nozzle hole just meltblowing die

之时,在距喷丝模头熔喷纤维喷出方向(即喷丝模头外)的1〜3cm处, 垂直施加7〜15KV的电晕放电,驻极工艺后即可在接收装置上依靠所述纤维自身的余热加固制成双组份熔喷驻极非织造布。 When, at the 1~3cm die from the ejection nozzle direction of the head of meltblown fibers (i.e., the outer die spinneret), the vertical 7~15KV of corona discharge is applied, the electret can rely on receiving process means the reinforcing fibers themselves are made of heat bicomponent meltblown electret nonwoven fabric. 所述的电晕放电驻极工艺本身为现有技术。 The corona discharge electrode process in itself prior art.

经电晕放电驻极工艺制成的双组份熔喷驻极非织造布具有优良的过滤性能。 Bicomponent meltblowing process by a corona discharge electrode formed in the electret nonwoven fabric has excellent filtration properties. 试验表明,本发明双组份熔喷驻极非织造布的过滤效率可高达99.999%,并且强力高,均匀稳定性好,是理想的高效过滤材料。 Tests showed that the present invention bicomponent melt blown electret nonwoven fabric filter efficiency 99.999%, and high strength, good uniformity and stability, is an ideal high efficiency filter material.

本发明非织造布,作为保暖材料具有良好的蓬松性、柔软度、透气性和保温性等,适用于作各种保温保暖材料;作为过滤材料具有高效过滤性、稳定性和耐用性等,适用于作医用、工业用口罩和各类工业用过滤材料;也可以用作高档医疗卫生材料、吸油材料、擦拭布以及隔音材料等。 The present invention is a nonwoven fabric, a material having good thermal bulkiness, flexibility, air permeability and heat resistance and the like, suitable for a variety of thermal insulation materials; as a filter material having a filtration efficiency, stability and durability, applicable as in medical, industrial filter masks and various kinds of industrial materials; it can also be used as medical grade material, oil absorbent material, sound insulation material cloth and the like.

本发明未述及之处适用于现有技术。 The present invention is not described in the prior art suitable place.

以下给出本发明的具体实施例,但本发明不受实施例的限制。 The following specific examples are given of the present invention, but not limiting embodiment of the embodiment of the present invention. 实施例1 Example 1

(1) 预处理:先将所述PET组分切片放入沸腾床预结晶器中,在160'C下预结晶15分钟,然后送入充填干燥机中,在170t下干燥2小时; (1) Pretreatment: first the PET component sections were placed in the fluidized bed pre-crystallizer, pre-crystallization at 160'C for 15 minutes and then filled into a dryer, at 170t for 2 hours;

(2) 制造熔喷非织造布:在氮气保护下,把经预处理的PET组分在氮气保护下喂入其中一个蠊杆挤出机,在280'C下熔融挤出,再经过 (2) Production of a melt-blown nonwoven fabric: Under nitrogen, the pretreated PET component wherein a feed rod cockroaches under nitrogen extruder, melt extruded at 280'C, then through

熔体过滤器、计量泵送入熔喷模头中;将PP直接喂入到另一蠊杆挤出 Melt filter, metering pump into the meltblowing die; it is fed directly to another PP extruded rod cockroach

机,在230T:下熔融挤出,再经过熔体过滤器、计量泵也送入同一熔喷模头中;两种熔体以30/70的比例在烙喷模头处汇合,在熔喷模头喷丝孔两侧29(TC热空气的喷吹作用下,即可制成并列型双组份熔喷复合纤维,并在接收装置上靠其自身余热加固成所述的非织造布。 Machine, in 230T: melt extrusion, and then through the melt filter, metering pump is also fed the same meltblown die head; two melts at a ratio of 30/70 branded discharge merges at the die, meltblown the die 29 on both sides of the nozzle hole (the effect of blowing hot air TC, can be made parallel type bicomponent meltblown conjugate fiber, and reinforced on its own on a heat receiving apparatus according to a nonwoven fabric.

该非织造布产品定量为80g/m2,纤度在1拜以下的纤维含有50%, 纤维平均纤度达0.7fxm,纤维在纤网中呈巻曲分布,手感柔软,透气性能高,保温性能好,测试表明,其克罗值达1.3m"C/W,可做髙端的保温材料。 实施例2 The nonwoven product basis weight of 80g / m2, fineness 1 thanks to the fibers containing 50%, average fiber fineness of 0.7fxm, fibers were Volume curved profile in the web, soft, high permeability, good insulation properties, tests showed that the value of Crow 1.3m "C / W, the end of the insulating material do Gao Example 2

(1) 预处理:先将所述PET组分切片放入沸腾床预结晶器中,在170'C下预结晶IO分钟,然后送入充填干燥机中,在170"下干燥2小时; (1) Pretreatment: first the PET component sections were placed in the fluidized bed pre-crystallizer, crystallized at 170'C pre IO minutes, and then filled into a dryer at 170 "dried for 2 hours;

(2) 制造熔喷非织造布:在氮气保护下,把经预处理的PET组分在氮气保护下喂入其中一个蠊杆挤出机,在285C下熔融挤出,再经过熔体过滤器、计量泵送入熔喷模头中。 (2) Production of a melt-blown nonwoven fabric: Under nitrogen, the pretreated PET component wherein a feed rod cockroaches under nitrogen extruder, melt extruded at 285C, a melt filter and then through , a metering pump into the meltblowing die. 将PP喂入到另一嫘杆挤出机, 在235t:下熔融挤出,再经过熔体过滤器、计量泵也送入同一熔喷模头中。 The PP is fed to another extruder rod Lei, in 235t: melt extrusion, and then through the melt filter, metering pump is also fed the same meltblowing die. 两种熔体以50/50的比例在喷丝孔处汇合,在两侧300'C热空气的喷吹作用下即可制成并列型双组份复合熔喷纤维,并在接收装置上靠其自身余热加固成所述的非织造布。 Two melts 50/50 ratio confluent nozzle hole under action of blowing hot air on both sides of 300'C parallel type bicomponent composite can be made into meltblown fibers, and by the receiving device heat itself reinforcement into the nonwoven fabric.

该非织造布产品定量为70g/m2,纤度在ljim以下的纤维含有60%, 纤维平均纤度达0.6jim,纤维在纤网中呈巻曲分布,手感柔软,透气性能高,保温性能好,测试表明,产品克罗值达1.4m、'C/W,是理想的髙端保温材料。 The nonwoven product basis weight of 70g / m2, the fineness of fibers ljim below containing 60%, average fiber fineness of 0.6jim, fibers were Volume curved profile in the web, soft, high permeability, good insulation properties, test showed the product Crowe value of 1.4m, 'C / W, Gao is the ideal insulation material side. 实施例3 Example 3

(1) 预处理:先将所述PET组分切片放入沸腾床预结晶器中,在170'C下预结晶IO分钟,然后送入充填干燥机中,在170'C下干燥2小时; (1) Pretreatment: first the PET component sections were placed in the fluidized bed pre-crystallizer, crystallized at 170'C pre IO minutes, and then filled into a dryer, dried for 2 hours at 170'C;

(2) 制造熔喷非织造布:在氮气保护下,把经预处理的PET组分在氮气保护下喂入其中一个嫘杆挤出机,在290'C下熔融挤出,再经过熔体过滤器、计量泵送入熔喷模头中。 (2) Production of a melt-blown nonwoven fabric: Under nitrogen, the pretreated PET component wherein a feed rod Lei extruder under nitrogen, melt extruded at 290'C, then after melt filter, metering pump into the meltblowing die. 将PP喂入到另一嫘杆挤出机,在240'C下熔融挤出,再经过熔体过滤器、计量泵也送入同一熔喷模头中。 The PP is fed to another extruder rod Lei, melt extruded at 240'C, then filter through a melt metering pump is also fed the same meltblowing die. 两种熔体以70/30的比例在喷丝孔处汇合,在其两侧300'C热空气的喷吹作用下即可形成并列型双组份熔喷复合纤维。 70/30 ratio of two melts meet at the die exit, to form a parallel type bicomponent meltblown conjugate fiber at its role 300'C blowing hot air on both sides.

该非织造布产品定量为100g/m、纤度在Uim以下的纤维含有70。 The basis weight of nonwoven products 100g / m, the fineness of fibers comprising 70 Uim. %, 纤维平均纤度达0.5jim,纤维在纤网中呈巻曲分布,手感柔软,透气性能高,保温性能好,測试表明,产品克罗值达1.5m"C/W,是优良的高端保温材料。 实施例4 %, Average fiber fineness of 0.5jim, Volume curved fibers are distributed in the web, soft, high permeability, good insulation properties, tests have shown that the product value of Crow 1.5m "C / W, is excellent in high insulation material. Example 4

按照实施例1所述的制造方法,在双组份熔喷纤维刚从喷丝孔挤出之时,在烙喷模头外的lcm处,同时垂直施加7KV的电翬放电,驻极工艺后,在接收装置上依靠所述纤维自身的余热加固制成双组份烙喷驻极非织造布。 A manufacturing method according to an embodiment, when just the bicomponent melt blown fiber extrusion nozzle hole, lcm branded at the outer discharge die, while applying a vertical electric discharge Hui 7KV after electret process relying on the heat reinforcing fibers themselves are made in the receiving means in a two-component spray baked electrode nonwoven fabric.

该非织造布产品定量为80g/m2,纤度在Uun以下的纤维含有50%, 纤维平均纤度达0.7jim,纤维在纤网中呈巻曲分布,手感柔软,透气性能好,测试表明,产品过滤效率达99.999%,是优良的高效过滤材料。 The nonwoven product basis weight of 80g / m2, the fineness of fibers Uun below containing 50%, average fiber fineness of 0.7jim, fibers were Volume curved profile in the web, soft, breathable performance, tests have shown that the product filter efficiency of 99.999%, is excellent in high efficiency filter material.

按照实施例2所述的制造方法,在双组份熔喷纤维刚从喷丝孔挤出之时,在熔喷模头外的2cm处,同时垂直施加10KV的电晕放电,驻极工艺后,在接收装置上依靠所述纤维自身的余热加固制成双组份熔喷驻极非织造布。 A manufacturing method according to the second embodiment, when the bicomponent melt blown fiber extrusion nozzle hole just, 2cm meltblowing die at the outside, while the corona discharge is applied perpendicular to 10KV, and the electrode in the process in the receiving means by means of said heat reinforcing fibers themselves are made in a very bicomponent meltblown nonwoven fabric.

该非织造布产品定量为70g/m2,纤度在Uim以下的纤维含有60%, 纤维平均纤度达0.6拜,纤维在纤网中呈巻曲分布,手感柔软,透气性能好,测试表明,产品过滤效率达99.999%,是优良的高效过滤材料。 The nonwoven product basis weight of 70g / m2, the fineness of fibers Uim below containing 60%, average fiber fineness of 0.6 worship fibers were Volume curved profile in the web, soft, breathable performance, tests have shown that the product filter efficiency of 99.999%, is excellent in high efficiency filter material. 实施例6 Example 6

按照实施例3所述的制造方法,在双组份熔喷纤维刚从喷丝孔挤出之时,在熔喷模头外的3cm处,同时垂直施加15KV电晕放电,驻极工艺后,在接收装置上依靠所述纤维自身的余热加固制成双组份熔喷驻极非织造布。 A manufacturing method according to the third embodiment, when the bicomponent melt blown fiber extrusion nozzle hole just, at the outer 3cm meltblowing die, while applying a vertical 15KV corona discharge electrode in the process, on the receiving means by means of said heat reinforcing fibers themselves are made in a very bicomponent meltblown nonwoven fabric.

所得非织造布产品定量为100g/m2,纤度在lnm以下的纤维含有70 %,纤维平均纤度达0.5jim,纤维在纤网中呈巻曲分布,手感柔软,透气性能好,功能溯试表明,产品过滤效率达99.999%,是优良的离效过 The resulting nonwoven product basis weight of 100g / m2, the fineness of the fibers in lnm or less comprising 70%, average fiber fineness of 0.5jim, fibers were Volume curved profile in the web, soft, breathable performance, function Su test showed product filtration efficiency of 99.999%, is excellent in efficiency through from

滤材料o O filtering material

Claims (3)

1. 一种双组份熔喷非织造布,其由并列型双组份熔喷复合纤维制成,该并列型双组份熔喷复合纤维的纤度范围为0.01〜2Mm,但平均纤度为0.5~0.7拜,且纤度不超过lMm的纤维量占纤维总量的50~70%;所述并列型双组份熔喷复合纤维的质量百分比组方为:PP 30〜70%,PET 70〜30%。 A bicomponent meltblown nonwoven fabric, which is a parallel type bicomponent composite meltblown fibers, the meltblown side type bicomponent conjugate fiber fineness in the range of 0.01~2Mm, but the average fineness of 0.5 thanks to 0.7, and a fineness of not more than 50 to 70% of the total fiber amount of the fiber lMm; mass percentage of the side-by-side bicomponent meltblown conjugate fiber group are: PP 30~70%, PET 70~30 %.
2. —种双组份熔喷非织造布的制造方法,其采用权利要求1所述的并列型双组份熔喷复合纤维质量百分比组方和如下工艺步骤-(1) 预处理:先将所述PET组分切片放入沸腾床预结晶器中,在160〜 180"C下预结晶8〜15分钟,然后送入充填干燥机中,在160〜170'C下干燥2〜 4小时;(2) 制造熔喷非织造布:在氮气保护下,把经预处理的PET组,入一台蠊杆挤出机内,在270〜300'C下熔融;将PP组分直接喂入到另一台蟝杆挤出机内,在210〜270"C下熔融;将两台蠊杆挤出机挤出的熔体分别经过各自的熔体过滤器过滤和计量泵计量后,输入到同一熔喷模头的喷丝孔处汇合喷出,在熔喷模头喷丝孔两侧280〜3(KrC的热空气喷吹作用下,即可直接制成并列型双组份熔喷复合纤维,并在接收装置上靠其自身余热加固成所述的双组份熔喷非织造布。 2. - A method for producing seed bicomponent meltblown nonwoven fabric, which uses parallel type bicomponent meltblown claim conjugate fiber mass percentage prescriptions and the process steps of claim 1 - (1) Pretreatment: first the PET component sections were placed in the fluidized bed pre-crystallizer, at 160~ 180 "C pre-crystallization 8~15 minutes, and then filled into a dryer, and dried at 160~170'C 2 ~ 4 hours; (2) Production of a melt-blown nonwoven fabric: under nitrogen, the group pretreated PET, into an extruder, stem cockroach, melt in 270~300'C; PP component is fed directly to the Qu rod within another extruder, melt "under 210~270 C; Periplaneta the two rods are melt extruder after the respective filters and melt metering pump metering, inputs to the same spinneret orifice meltblowing die confluence ejected at both sides of the nozzle orifice meltblowing die 280~3 (KrC effect of blowing hot air, can be prepared directly parallel type bicomponent meltblown conjugate fiber and heat on its own as a reinforcement of the bicomponent melt blown nonwoven fabric on the receiving device.
3. —种双组份熔喷驻极非织造布的制造方法,其特征在于该双組份熔喷驻极非织造布的制造方法是在权利要求2所述双组份熔喷非织造布的制造方法基础上,于所述的并列型双组份熔喷纤维刚从熔喷模头的喷丝孔汇合喷出之时,在距喷丝模头熔喷纤维喷出方向的1〜3cm处,垂直施加7〜15KV的电晕放电,驻极工艺后即可在接收装置上依靠所述纤维自身的余热加画制成双组份熔喷驻极非织造布。 3 - Species bicomponent meltblown electret non-woven fabric production method, wherein the electret meltblown bicomponent nonwoven fabric manufacturing method as claimed in claim 2 is the meltblown bicomponent nonwoven fabric based on the manufacturing method, the discharge confluence bicomponent meltblown fiber spinning orifice meltblowing die just to the parallel type, in 1~3cm meltblown fibers from a die nozzle discharge direction corona, applied vertically 7~15KV discharge, the fibers themselves can rely on applied heat drawn bicomponent meltblown formed on the receiving means in the process in a very extremely nonwoven fabric.
CN 200610130079 2006-12-12 2006-12-12 Double component molten and jetted non-woven fabric and its making process CN100451204C (en)

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CN103276535B (en) * 2013-06-19 2015-08-26 天津泰达洁净材料有限公司 A two component meltblown nonwoven material and method
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CN104727015A (en) * 2015-02-06 2015-06-24 宁波高新区零零七工业设计有限公司 Manufacturing method for melt-blown nonwoven fabric
CN105109125B (en) * 2015-08-25 2017-05-10 苏州宝丽洁纳米材料科技股份有限公司 Spun-hot two component composite non-woven material as well as production method and application thereof
CN106245234B (en) * 2016-09-28 2019-04-16 天津工业大学 A kind of double dielectric polymer blending meltblown fibers electret non-woven materials
CN106894158A (en) * 2017-04-21 2017-06-27 浙江华晨非织造布有限公司 It is a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper and preparation method thereof
CN108866829A (en) * 2018-08-24 2018-11-23 芜湖跃飞新型吸音材料股份有限公司 A kind of preparation process of tri- component acoustical cotton of high resiliency PP/PET/PTT

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1233298A (en) 1996-09-06 1999-10-27 智索公司 Laminated nonwoven fabric and method of manufacturing same
CN1386147A (en) 2000-08-04 2002-12-18 纳幕尔杜邦公司 Meltblown nonwoven fabric

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1233298A (en) 1996-09-06 1999-10-27 智索公司 Laminated nonwoven fabric and method of manufacturing same
CN1386147A (en) 2000-08-04 2002-12-18 纳幕尔杜邦公司 Meltblown nonwoven fabric

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
双组分纤维熔喷非织造布及其潜在应用. Christine(Qin)Sun,DongZhang.产业用纺织品,第2001年底11期. 2001

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