CN107177935A - Welding spun-bonded non-woven fabrics, the method for manufacturing welding spun-bonded non-woven fabrics and package - Google Patents

Welding spun-bonded non-woven fabrics, the method for manufacturing welding spun-bonded non-woven fabrics and package Download PDF

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Publication number
CN107177935A
CN107177935A CN201710268887.6A CN201710268887A CN107177935A CN 107177935 A CN107177935 A CN 107177935A CN 201710268887 A CN201710268887 A CN 201710268887A CN 107177935 A CN107177935 A CN 107177935A
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CN
China
Prior art keywords
spun
woven fabrics
bonded non
welding
package
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710268887.6A
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Chinese (zh)
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CN107177935B (en
Inventor
C·钦克马尼
A·克雷恩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Original Assignee
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
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Publication of CN107177935A publication Critical patent/CN107177935A/en
Application granted granted Critical
Publication of CN107177935B publication Critical patent/CN107177935B/en
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Classifications

    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • 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
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • 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
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/34—Core-skin structure; Spinnerette packs therefor
    • 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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C23/00—Making patterns or designs on fabrics
    • D06C23/04—Making patterns or designs on fabrics by shrinking, embossing, moiréing, or crêping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2565/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D2565/38—Packaging materials of special type or form
    • B65D2565/381—Details of packaging materials of special type or form
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/10—Packaging, e.g. bags

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)

Abstract

The present invention relates to a kind of welding spun-bonded non-woven fabrics, spun-bonded non-woven fabrics are packed for especially as package or the welding of the part of packaging bag, wherein, the spun-bonded non-woven fabrics have the continuous filament yarn formed by thermoplastic plastics.The continuous filament yarn has at least one filler of at least 3 percentage by weights, for improving the weldability of the spun-bonded non-woven fabrics.

Description

Welding spun-bonded non-woven fabrics, the method for manufacturing welding spun-bonded non-woven fabrics And package
Invention field
The present invention relates to a kind of welding spun-bonded non-woven fabrics, especially as package or packaging bag part It is welding be packed for spun-bonded non-woven fabrics, wherein, the spun-bonded non-woven fabrics have a continuous filament yarn, the continuous filament yarn preferably by Thermoplastic plastics are constituted.It is used to manufacture welding spun-bonded non-woven fabrics the invention further relates to one kind or is packed for spun-bonded non-woven fabrics Method in addition, the present invention relates to a kind of package, it is especially a kind of that there is at least one welding spun-bonded non-woven fabrics or packaging With the packaging bag of spun-bonded non-woven fabrics within the scope of this invention, using the spun-bonded non-woven fabrics being made up of continuous filament yarn., it is known that even Continuous long filament be based on itself it may be said that unlimited continuous length and it is different from staple fibre, these staple fibres with such as 10mm extremely 60mm much smaller length.Exist within the scope of this invention, according to the present invention spun-bonded non-woven fabrics or be packed for spin Bonded non-woven fabrics are manufactured to spun-bonded non-woven fabrics by means of spunbond-method.
Background technology
Welding spun-bonded non-woven fabrics are packed for package wall of the spun-bonded non-woven fabrics for the especially package of pocket shape It is known in various embodiments from practice for portion.Here, the spun-bonded non-woven fabrics can be individually as package wall Portion uses or is used to pack wall portion as the part of laminate to be this for example known spun-bonded non-woven fabrics and modeling Expect the laminate of film.Packaging wall portions be made up of spun-bonded non-woven fabrics or with spun-bonded non-woven fabrics especially also for 25 to Be for the package for the pocket shape of bulk material of 500kg filling weight known spun-bonded non-woven fabrics thus It is also used for bag of cement.
The manufacture based on spun-bonded non-woven fabrics of the package of pocket shape is suitably performed as described below.By spunbond nonwoven Flexible pipe (so-called " tube ") is initially formed in cloth and the opposed side end of nonwoven webs is connected with each other herein, especially It is welded to one another.Then, flexible pipe is cut into desired pocket length, by folded product or flange resulting herein and connect Using egative film as bottom part and cover plate is laid as cover and next welded with pocket body.
Up to the present the package of known or manufactured in the foregoing manner pocket shape generally in terms of intensity not It is preferable.When the drop height of the packaging bag filled, especially bag of cement from such as 2m freely drops, the packaging bag at least exists It is multiple to throw down tear after experiment.The tear is general to be carried out in the region of weld seam or the region of the sealing seam of packaging bag.Just Known packaging bag, such as bag of cement have needed to improve for this.The spunbond nonwoven used for the known packaging bag of manufacture Cloth also can be undesirable in terms of its machinability.This more particularly, to produce package or during packaging bag spun-bonded non-woven fabrics can Weldability can be seal.Under normal circumstances, herein, it is necessary to relatively high treatment temperature or welding temperature and this anticipate first Taste undesirable high energy expenditure.In addition, by high treatment temperature or welding temperature, the area of nonwoven cloth material can be damaged Domain and thus cause loss of strength.In remaining situation, the intensity or durability of weld seam are undesirable.In addition, for by institute The known packaging bag of spun-bonded non-woven fabrics manufacture is stated, forces to need the coating with additional materials under normal circumstances, so that former Expect that cost or consumption of raw materials are also undesirably higher.Result is：There is Improvement requirement.
The content of the invention
Correspondingly, the technical problem that the present invention is directed to is to provide a kind of welding spun-bonded non-woven fabrics or be packed for spunbond Non-woven fabrics, its one side can be processed or welded in fairly simple and uncomplicated mode, and on the other hand also in processing State in met in terms of intensity or stability all requirement present invention is alternatively directed to technical problem be to provide a kind of use In the such welding spun-bonded non-woven fabrics of manufacture or the method for being packed for spun-bonded non-woven fabrics.In addition, the targeted skill of the present invention Art problem is to provide a kind of corresponding package, especially a kind of packaging with least one welding spun-bonded non-woven fabrics Bag.
In order to solve the technical problem, present invention teaches a kind of welding spun-bonded non-woven fabrics, especially a kind of conduct Package or packaging bag the welding of part is packed for spun-bonded non-woven fabrics, wherein, the spun-bonded non-woven fabrics have Continuous filament yarn, the continuous filament yarn is preferably made up of thermoplastic, wherein, the continuous filament yarn has at least 3 weight percents Than at least one filler of, preferably at least 4 percentage by weights, in particular for improve spun-bonded non-woven fabrics weldability and It is preferred for reducing the welding temperature in spun-bonded non-woven fabrics thermal weld.
In addition, subject of the present invention is a kind of welding spun-bonded non-woven fabrics, it is especially a kind of as package or bag The welding of the part of pack is packed for spun-bonded non-woven fabrics, wherein, the spun-bonded non-woven fabrics have continuous filament yarn, described Continuous filament yarn is preferably made up of thermoplastic, wherein, the continuous filament yarn be configured to multicomponent filaments, be in particular designed as it is double Component filaments, wherein, at least one components of the multicomponent filaments or bicomponent filament has at least 3 percentage by weights, excellent Select at least 4 percentage by weights at least one filler, in particular for improve spun-bonded non-woven fabrics weldability and preferably For reducing the welding temperature in spun-bonded non-woven fabrics thermal weld.
It is the welding spun-bonded non-woven fabrics, especially solderable according to the particularly preferred embodiment of the present invention The continuous filament yarn for being packed for spun-bonded non-woven fabrics or at least one component of continuous filament yarn connect has 4 to 25 percentage by weights, excellent Select the filler of 5 to 20 percentage by weights and the filler of highly preferred 6 to 15 percentage by weight.The group of the continuous filament yarn Share of each share herein with filler into part (especially one or more plastic fractions of continuous filament yarn) is added to always Totally 100 percentage by weight.
Exist within the scope of this invention, the filler is at least one organically filler, it is advantageously that extremely A kind of few metal salt and preferably at least one alkali salt.The spy for the embodiment that one of the present invention especially recommends Levy and be, the filler is calcium salt, and very particularly preferably described filler is calcium carbonate.Calcium carbonate is herein especially Confirm as the filler for the welding spun-bonded non-woven fabrics according to the present invention, for solving the technical problem.It is former On then, also filler can be used as using calcium sulfate.
According to the implementation flexible program of the present invention, single component filaments are adopted as according to the solderable of the present invention The continuous filament yarn of the spun-bonded non-woven fabrics connect.In this case, the single component filaments of the welding spun-bonded non-woven fabrics are according to pushing away Recommend filler or calcium carbonate with least 5 percentage by weights, pointedly preferably at least 7 percentage by weights, 7 to 25 weight hundred Point than, preferably 8 to 22 percentage by weights and the filler or the carbon as filler of highly preferred 10 to 20 percentage by weight Sour calcium.Here, exist within the scope of this invention, the filler equably or is substantially uniformly distributed over continuous Institute is arranged on the surface of the continuous filament yarn or is substantially provided in long filament or according to the embodiment recommended State on the surface of continuous filament yarn.
The present invention an embodiment being especially proved be characterised by, the company of the welding spun-bonded non-woven fabrics Continuous filament construction is multicomponent filaments, especially bicomponent filament.Preferably, the filler be comprised in be arranged on it is described many In the plastic fraction of the outer surface of component filaments or bicomponent filament.It is recommended that compared to the multicomponent filaments or double groups Divide at least one second plastic fraction of long filament, be arranged on first plastics on the surface of the multicomponent filaments or bicomponent filament Component has identical fusing point or preferably compared with low melting point, and the filler is at least comprised in the identical fusing point or compared with eutectic In first plastic fraction of point, or substantially or it is only contained in the identical fusing point or the first plastic fraction compared with low melting point In.
According to the present invention preferred embodiment, the multicomponent filaments or bi-component of welding spun-bonded non-woven fabrics Long filament has inner core-enclosure configurations structure.Advantageously, the filler is comprised in the multicomponent filaments or bicomponent filament Outer cover component in.According to the embodiment recommended very much of the present invention, the multicomponent of the welding spun-bonded non-woven fabrics is long Silk or the identical fusing point of bicomponent filament or the plastic fraction compared with low melting point are outer cover components, and the filler is then At least it is comprised in the outer cover component or substantially or is only contained in the outer cover component.
It is used as one or more plastic fractions of the continuous filament yarn for the spun-bonded non-woven fabrics according to the present invention, it is preferred to use Polyolefin or other thermoplastic plastics are here, there is also the mixing for the plastics being previously mentioned within the scope of this invention It is normally used as one or more plastic fractions.According to an embodiment of the invention, the welding spun-bonded non-woven fabrics It is configured to the spunbond being more specifically made up of by bicomponent filament and the bicomponent filament with inner core-enclosure configurations structure Non-woven fabrics.The identical fusing point or compared with low melting point component be located at outer cover in and for example by polypropylene or substantially by polypropylene Constitute to be considered existing within the scope of this invention herein, additionally included in outer cover component preferably above Filler in certain share.Higher melt or the component of identical fusing point are arranged in the inner core of the bicomponent filament and example Such as formed by polypropylene or substantially by polypropylene.According to an other implementation flexible program, the component compared with low melting point is used as Or polyethylene can be used as the outer cover component of the bicomponent filament or multicomponent filaments, and it is used as the group of higher melt Divide or can use polypropylene as interior core component.According to the embodiment of a recommendation, according to the spun-bonded non-woven fabrics of the present invention Bicomponent filament or at least one plastic fractions of multicomponent filaments formed by polyolefin or substantially by polyolefin.One The embodiment of confirmation is characterised by, the bicomponent filament or multigroup of the welding spun-bonded non-woven fabrics according to the present invention It is divided to the plastic fraction of two or all of long filament to be constituted by polyolefin or substantially by polyolefin.It can also use certainly in principle Other thermoplastic plastics or its be mixed for the component.
Have been described above, according to the particularly preferred embodiment of the present invention, the filler is arranged on described pair of group In a plastic fraction for dividing long filament or multicomponent filaments, it is preferably, described that the plastic fraction is located at the surface of the long filament Plastic fraction is the plastic fraction of relatively low melting point in the filament, and it is much preferred that the component compared with low melting point is The outer cover component of the inner core of bicomponent filament or multicomponent filaments-enclosure configurations structure.According to recommendation, 5 to 25 percentage by weights, It is preferred that the filler of 7.5 to 22.5 percentage by weights and highly preferred 10 to 20 percentage by weight, especially calcium carbonate are wrapped Be contained in be arranged at the surface of the long filament preferably compared with the plastic fraction of low melting point, be preferably included in bicomponent filament or In the plastic fraction of relatively low melting point in the outer cover of multicomponent filaments.Suitably, filler or calcium carbonate is uniform herein or base The outer surface of the plastic fraction is evenly distributed in the plastic fraction or be arranged in sheet or is substantially provided in Outer surface
Exist within the scope of this invention, in the bicomponent filament or multicomponent of the spun-bonded non-woven fabrics according to the present invention In long filament, the first plastic fraction (especially outer cover component) and the second plastic fraction of preferred higher melt preferably compared with low melting point The mass ratio of (especially interior core component) is 10: 90 to 35: 65, advantageously 15: 85 to 35: 65, preferably 20: 80 to 50: 50 simultaneously And preferably 25: 75 to 45: 55.In spun-bonded non-woven fabrics or in the packaging wall region with the spun-bonded non-woven fabrics according to the present invention In (do not occur wherein or at it welding or sealing-in), it is described preferably compared with low melting point according to a certified embodiment The matter of first plastic fraction (especially outer cover component) and the second plastic fraction (especially interior core component) of preferred higher melt Amount is than being 20: 80 to 30: 70, preferably 20: 80 to 25: 75.Differently, in spun-bonded non-woven fabrics or in packaging wall region (welding or sealing-in occur wherein or at it), it is described preferably compared with low melting point the first plastic fraction (especially outer cover component) with It is preferred that the quality of the second plastic fraction (especially interior core component) of higher melt is 35: 65 to 50: 50, preferably 40: 60 to 45: 55.Exist within the scope of this invention, in the multigroup of the spun-bonded non-woven fabrics or spun-bonded non-woven fabrics region for being provided for welding In point long filament or bicomponent filament, compared to be not provided with for welding spun-bonded non-woven fabrics or spun-bonded non-woven fabrics region it is multigroup Divide long filament or bicomponent filament, the outer cover component is higher relative to the share of interior core component.
The particularly preferred embodiment of the present invention is characterised by that the welding spun-bonded non-woven fabrics are calenderings Spun-bonded non-woven fabrics.According to recommendation, a surface of the spun-bonded non-woven fabrics is glossily pressed and smooth calendering and surface profile Light.Certainly also can be by two surface glossily calenderings of the spun-bonded non-woven fabrics.Exist within the scope of this invention, institute Intensity or tensile strength of the welding spun-bonded non-woven fabrics along machine direction (MD) are stated with spun-bonded non-woven fabrics transverse to machine side The ratio of intensity or tensile strength to (CD) is either equal to 1 or more than 1, preferably more than 1.1 and particularly preferably big In 1.2.Machine direction is herein especially in the conveying direction of storeroom or the spun-bonded non-woven fabrics placed on storing unit
In addition, existing within the scope of this invention, according to the welding spun-bonded non-woven fabrics of the present invention according to following Method is manufactured：First, by means of spinning head (Spinnerette) spray spin continuous filament yarn and connect it is lower by the long filament cooling Cool down in device and and then carry out drawing by means of device for stretching and be then placed into depositing for spun-bonded non-woven fabrics Put on device.Thus exist within the scope of this invention, the welding spun-bonded non-woven fabrics according to the present invention Or the welding spun-bonded non-woven fabrics that are packed for are fabricated as spun-bonded non-woven fabrics according to the especially excellent of the present invention according to spunbond process The embodiment of choosing, the cooling device is divided at least two and stackedly or on flow of filaments direction set with following one another Cabin section, wherein, by the cooling air of the heat-sinking capability with different convection current (especially with difference from these cabin sections The cooling air of temperature) is imported into flow of filaments space according to recommendation, the cooling device, which only has as two, to be stacked Preferably, the cooling device is (outstanding by center-aisle by ground or the cabin section that is set with following one another on flow of filaments direction It passes through the center-aisle assembled on flow of filaments direction) it is connected with the bottom drawing passage of the device for stretching.The company Continuous long filament thus be directed through cooling device and then pull passage by center-aisle and followed by bottom.Finally, use Storing unit is placed in spun-bonded non-woven fabrics width or for the long filament of spun-bonded non-woven fabrics, the storing unit is preferably configured as storage Guipure or the storage guipure as continued circling
For the special recommendation of the methods described or the equipment that manufacture the welding spun-bonded non-woven fabrics according to the present invention Embodiment be characterised by, including cooling device, center-aisle and be connected on the center-aisle bottom drawing passage The complete set of equipments of formation is configured to closed complete set of equipments, and except the cooling air being fed in the cooling device, Do not realize other air supply into this closed complete set of equipments.In addition, constructed in accordance described solderable In the scope of the spun-bonded non-woven fabrics connect preferably, pull and be provided with least between passage and the storing unit in the bottom One diffuser, is guided the long filament in flow of filaments side by the diffuser upwardly toward storing unit.Suitably, at least Two diffusers, preferably two diffusers are arranged on the bottom drawing passage and institute with following one another on flow of filaments direction Is in addition, the embodiment of the recommendation of the present invention is characterised by that the long filament is in the area of spinning head between stating storing unit It is sent in domain or between spinning head and cooling device by monomer aspiration device.In the monomer aspiration device, described The gas in forms such as monomer, oligomer, catabolites selected beside long filament is formed from the long filament below the spinning head Removed in space or from the equipment.
Exist within the scope of this invention, the spun-bonded non-woven fabrics being made up of the continuous filament yarn are pressed and smooth using at least one Ray machine comes pre-reinforcement or solidification.The calendering herein can on line or the lower that carries out is according to recommendation online, for such calendering Calender have 10 to 90% and preferably 15 to 35% and highly preferred 18 to 30% impressing face according to one preferably Embodiment, here, the only one calender roll in two calender rolls has intaglio plate and preferably had detailed above Impressing face, and opposed or corresponding calender roll is smooth or substantially smooth and is not configured with intaglio plate.Preferably, calendering The depth of indentation of machine intaglio plate is 0.1 to 0.8mm, preferably 0.1 to 0.6mm and highly preferred 0.2 to 0.4mm.It is recommended that tool The quantity for having a calender roll of intaglio plate or the intaglio plate point of multiple calender rolls is more than 30/cm2And preferably more than 40/cm2.It is special Not preferably, with intaglio plate a calender roll or the quantity of the intaglio plate point of multiple calender rolls is more than 45/cm2.According to one The embodiment of confirmation, the intaglio plate point of a calender roll or multiple calender rolls with intaglio plate is rhombus in a top view.According to One other embodiment, being utilized according to the spun-bonded non-woven fabrics of the present invention includes two calender rolls with smooth surface Calender carrys out calendering.
According to the other embodiment of the present invention, it can also be utilized according to the calendering of the spun-bonded non-woven fabrics of the present invention One band calender is realized.Implement flexible program for one to be characterised by, the calendering two benches or at least perform two benches. Here, the spun-bonded non-woven fabrics being stored first with calender or using standard calender come calendering, it has intaglio plate, excellent Select the intaglio plate being explained above.In the second step, the spun-bonded non-woven fabrics are then using including two with smooth surface The calender of calender roll carrys out calendering or using band calender come calendering.In the calender roll including two with smooth surface In calender, surface can be formed by steel by plastic coat and a surface or substantially be formed by steel.
The foregoing calendering of spun-bonded non-woven fabrics is especially proved favourable in terms of the technique according to the invention is solved the problems, such as In the described manner, the spun-bonded non-woven fabrics of being calandered or pre-reinforcement/solidification especially advantageously can be welded or be welded as Package.Spun-bonded non-woven fabrics according to produced by the present invention can be during package be manufactured without a hitch and simply Combined or application with plastic foil and/or melt spraying non-woven fabrics or other spun-bonded non-woven fabrics with other layer, especially on ground.
According to foregoing spunbond process is according to the welding spun-bonded non-woven fabrics of the present invention or welding is packed for spinning The manufacture of bonded non-woven fabrics is especially proved favourable within the scope of this invention.In this way, result in optimization Storage quality spun-bonded non-woven fabrics and well-proportioned spun-bonded non-woven fabrics can be produced herein.Especially, in the method for optimizing In, spun-bonded non-woven fabrics storage can thus optimize so that the thin section position and thick position in spun-bonded non-woven fabrics are compared to it Its known method is substantially reduced.When analyzing the multiple spun-bonded non-woven fabrics through restriction-face sections, for example, studying multiple 2x2cm2Spun-bonded non-woven fabrics square bar when, for using according to the present invention spunbond process manufactured by spun-bonded non-woven fabrics, energy It is enough to be substantially reduced compared to other known manufacture method in the most light thin section position most light square bar analyzed and most in other words The spread of the thick position of weight in other words between the most heavy square bar analyzed.So as to here, according to side of the present invention In method can for example in other known method more than 30g/m2Spread be reduced to about 15g/m2。
The cognition that is thus based on of the present invention is, just manufactured spun-bonded non-woven fabrics can be excellently as described above It is processed as package, such as packaging bag and can especially welds simply and without a hitch.In this connection, the present invention goes back base In cognition be that, compared to according to the spun-bonded non-woven fabrics manufactured by other known method, can significantly reduce for weld root According to the present invention spun-bonded non-woven fabrics or be packed for this favourable reduction of welding temperature described in the welding temperature of spun-bonded non-woven fabrics Especially combine especially being obtained with the filler of calcium carbonate form according to the present invention.Methods described according to being preferred to use is produced Raw welding spun-bonded non-woven fabrics have the thin section position less than other spun-bonded non-woven fabrics and therefore existed in an advantageous manner Also almost no thin section potential energy is damaged during welding.Therefore result is：The feature of spun-bonded non-woven fabrics according to manufactured by the present invention It is optimal machinability, especially weldability and these spun-bonded non-woven fabrics thus has for manufacturing package Optimal primary condition.
Such spun-bonded non-woven fabrics have the especially advantageous characteristic for being used for manufacturing package：In these spun-bonded non-woven fabrics In, the intensity in machine direction (MD) or tensile strength of the spun-bonded non-woven fabrics are with spun-bonded non-woven fabrics transverse to machine direction (CD) intensity or the ratio of tensile strength is equal to 1 or more than 1, preferably greater than 1.1, preferably greater than 1.2 and very preferably big In 1.25.According to the present invention spun-bonded non-woven fabrics or for manufacture the spun-bonded non-woven fabrics methods described explained it is preferred Feature and the advantage that is achieved in optimal manner with the filler according to the present invention or with described according to the present invention's Filler inclusion and the advantage thus reached are combined.
In order to solve the technical problem, this invention also teaches a kind of package, especially a kind of packaging bag, such as water Mud bag, be preferably used for accommodate can load and/or flowable product, such as cement.Packages in accordance with the invention has At least one spun-bonded non-woven fabrics being explained above are packed for spun-bonded non-woven fabrics, wherein, the spun-bonded non-woven fabrics form the bag Dress wall portion and/or be the packaging wall portion part, and a kind of spun-bonded non-woven fabrics or a variety of spun-bonded non-woven fabrics Section is welded to one another in the side of sidewall portion region and/or in bottom section and/or in the cover area of packaging wall portion.At this It is present in the scope of invention, bottom part and/or at least one planar of the package with least one planar Cover, it is welded with remaining packaging wall portion or with the side of sidewall portion of the package.In addition, within the scope of this invention Exist, the cover of the planar of the package and/or the bottom part of planar are by least one spinning according to the present invention Bonded non-woven fabrics are in other words respectively by the spun-bonded non-woven fabrics according to the present invention and preferably by with packing wall portion or remaining with side of sidewall portion Part identical spun-bonded non-woven fabrics material is formed.When for the side of sidewall portion and for the cover and/or packaging of the planar The bottom part of the planar of wall portion being formed, with compared with low melting point in other words first by multicomponent filaments or bicomponent filament When the spun-bonded non-woven fabrics of plastic fraction are arranged on the outer surface, the feature of a particularly preferred embodiment of the invention exists In compared to a kind of spun-bonded non-woven fabrics or a variety of spun-bonded non-woven fabrics of the side of sidewall portion for the packaging wall portion, for planar The spun-bonded non-woven fabrics of cover and/or the bottom part of planar have the first plastics group of the share higher in other words compared with low melting point Point.Suitably, in the spun-bonded non-woven fabrics for the cover of the planar and/or for the bottom part of the planar, It is arranged on the share of relatively low melting point the first plastic fraction in other words of the outer surface of the multicomponent filaments or bicomponent filament It is in a kind of spun-bonded non-woven fabrics of the side of sidewall portion for the package or the multicomponent filaments of a variety of spun-bonded non-woven fabrics or double groups 1.2 times to 3.5 times, preferably 1.5 times to 2.5 times of the share of the first plastic fraction in other words for the relatively low melting point divided in long filament. The fusing point of two plastic fractions also can be identical or substantially the same in remaining situation.
The present invention a particularly preferred embodiment be characterised by, according to the present invention a kind of spun-bonded non-woven fabrics or It is the part for packing wall portion-laminate according to a variety of spun-bonded non-woven fabrics of the present invention, and the laminate preferably removes Also there is at least one film, preferably plastic foil outside the spun-bonded non-woven fabrics.Here, the not only side of sidewall portion but also the face The bottom part of the planar of the cover of shape and/or the packaging wall portion can be configured to such packaging wall portion laminate.This One embodiment extremely recommended of invention is characterised by that the film or plastic foil of the laminate are arranged on the package wall On the inner side in portion.
Exist within the scope of this invention, the packages in accordance with the invention is (especially in accordance with the bag of the present invention Pack) have planar cover (cover be pack wall portion part) and at least one (suitably above more Describe in detail) welding spun-bonded non-woven fabrics, and the spun-bonded non-woven fabrics of the cover with the side of sidewall portion or with it is described The spun-bonded non-woven fabrics material of the side of sidewall portion of package is firm to be connected, especially welds.In addition, also existing within the scope of this invention , the spun-bonded non-woven fabrics of the cover are including multicomponent filaments or bicomponent filament or by multicomponent filaments or bi-component Long filament is constituted or is substantially made up of multicomponent filaments or bicomponent filament, and is arranged on the institute of the outer surface of the long filament The mass ratio for stating compared with low melting point or the first plastic fraction and at least one higher melt or the second plastic fraction is 35: 65 to 50 : 50 and preferably 40: 60 to 45: 55.As more having been explained above, the fusing point of described two plastic fractions also can It is identical or substantially the same.
According to recommendation, the packages in accordance with the invention (especially in accordance with the packaging bag of the present invention) has at least one Planar bottom part (bottom part be pack wall portion part) and at least one (be especially described in more detail above ) spun-bonded non-woven fabrics or it is packed for spun-bonded non-woven fabrics.This spun-bonded non-woven fabrics are packed for spun-bonded non-woven fabrics and form base portion Part and/or be the bottom part part.At least one spun-bonded non-woven fabrics of bottom part preferably with the side wall Portion or with the spun-bonded non-woven fabrics material of the side of sidewall portion of the package is firm is connected, preferred weld.It is recommended that the base portion The spun-bonded non-woven fabrics of part have multicomponent filaments or bicomponent filament or are made up of or base multicomponent filaments or bicomponent filament Be made from it on this, and be arranged on the long filament outer surface it is described compared with low melting point or the first plastic fraction and at least one The mass ratio for planting higher melt or the second plastic fraction is 35: 65 to 50: 50 and preferably 40: 60 to 45: 55.
The cognition that the present invention is based on is, according to the welding spun-bonded non-woven fabrics of the present invention or welding is packed for spinning Bonded non-woven fabrics can by it is simple, uncomplicated and without a doubt in the way of manufacture and package can be processed as, especially It is to weld.Within the scope of this invention it is of particular importance that weld the spun-bonded non-woven fabrics when necessary welding temperature Degree can be remarkably decreased compared to manufacturing process known from practice.Especially, can be using uniform welding temperature come work Make.The present invention also based on cognition be, according to the present invention spun-bonded non-woven fabrics in, can be in very great Cheng for welding Problematic thin section position and thick position are avoided on degree.Especially, the cognition that the present invention is based on is that the advantage of preceding description is especially It is by by the one hand according to the filler (especially calcium carbonate) of the present invention and on the other hand according to the spunbond process of the present invention The combination of realization realize.
The present invention in addition based on be recognized by, according to the present invention spinning is especially caused with the filler of calcium carbonate form The more preferable weldability of bonded non-woven fabrics.As starting point：The filler or the calcium carbonate are on the one hand compared to correspondence Plastic fraction absorb less heat and on the other hand there is the higher thermal conductivity compared to plastics simultaneously.This causes, institute State filler or the heat of the input is further sent to or exported to be melted or treat by the calcium carbonate in which can measure The plastics of softening, so that corresponding plastic fraction can pointedly melt.The present invention also based on cognition be, with calcium carbonate Therefore the filler of form improves the UV stability of the long filament or spun-bonded non-woven fabrics, for the modeling of the spun-bonded non-woven fabrics The UV stabilizer that need not be added for material and thus, it is possible to save raw material herein.According to the welding spinning of the present invention The optimal machinability or weldability of bonded non-woven fabrics in addition also when realizing the spunbond process according to the present invention from long filament or Obtained in the favourable storage quality of spun-bonded non-woven fabrics.Here, realizing the spunbond nonwoven compared to other known method The notable more preferable uniformity of cloth, and therefore, it is possible to be significantly reduced compared to known nonwoven cloth for according to the present invention's The processing temperature or welding temperature of spun-bonded non-woven fabrics
Excellent intensity is had according to the spun-bonded non-woven fabrics of the present invention and the packages in accordance with the invention thus manufactured. It is not only does this apply to packaging wall portion in itself, is also applied for the connecting sewing between packaging wall region, is wrapped described in especially weld seam Dress wall portion and the connecting sewing between packaging wall region are characterised by high mechanical resistance.With the root having been filled with According to the present invention package (especially with cement fill according to the present invention packaging bag) drop test in, seldom or The damage of the packaging wall portion or between packaging wall region weld seam is not caused even.Different from known from practice Packaging bag, the tear of the packaging wall portion is hardly observed.According to the present invention welding spun-bonded non-woven fabrics or by The packages in accordance with the invention of this manufacture but also has additional advantage.On the one hand, without it is larger the problem of clean The packaging wall portion, especially from exterior clean.On the other hand, the packages in accordance with the invention be also characterized by attract The optical outward appearance of the outside of people.In addition, producing in the welding spun-bonded non-woven fabrics according to manufactured by the present invention or thus In raw package, excellent screen effect can be set, so as to not need the additional outside painting of the package especially Layer
Brief description of the drawings
Of the present invention is explained in further detail schematically in the figures by the accompanying drawing for only showing one embodiment below：
Fig. 1 is to pack the perspective view of the packages in accordance with the invention of bag form；
Fig. 2 is performed for for manufacturing according to welding spun-bonded non-woven fabrics of the invention or being packed for spun-bonded non-woven fabrics Method equipment vertical section figure；And
Fig. 3 is spun-bonded non-woven fabrics or is packed for the cross section of the bicomponent filament of spun-bonded non-woven fabrics,
A) as the part of the packaging wall portion in the side of sidewall portion region of packaging bag,
B) as the packaging wall portion and/or packaging bag in bottom part cover part.
Embodiment
Figure 1 illustrates for bulk material, in particular for cement in the form of packaging bag 1 according to the present invention Package
The packaging wall portion of the packaging bag 1 has the welding spun-bonded non-woven fabrics 2 according to the present invention.The spun-bonded non-woven fabrics 2 The continuous filament yarn 3 that spun-bonded non-woven fabrics include being made up of thermoplastic plastics is packed in other words.Continuous filament yarn 3 includes at least 3 weights The filler 4 with calcium carbonate form of percentage is measured, for improving the weldability of the long filament or spun-bonded non-woven fabrics 2, and And in particular for the reduction welding temperature when the spun-bonded non-woven fabrics 2 carry out thermal weld in other words to the long filament
Shown packaging bag 1 has the side of sidewall portion 5 by being constituted according to the spun-bonded non-woven fabrics of the present invention, the spinning in Fig. 1 Bonded non-woven fabrics seem to be welded as flexible pipe with its side end 6.With the base portion of the planar of the form of spun-bonded non-woven fabrics 2 according to the present invention Part 7 is arranged in the bottom section of the packaging bag 1 and in the same manner as the welding of side of sidewall portion 5, of the packaging bag 1, according to this The cover 8 of the planar of the form of spun-bonded non-woven fabrics 2 of invention is arranged in the cover area of packaging bag 1 and welded with side of sidewall portion 5. Plastic foil is also provided with the inner side of the packaging wall portion of packaging bag 1, but the plastic foil does not show in the embodiment according to Fig. 1 Go out.The spun-bonded non-woven fabrics used by the side of sidewall portion 5, bottom part 7 and cover 8 of packaging bag 1 are preferably and in this implementation Formed (referring also to Fig. 3) by the bicomponent filament with inner core-enclosure configurations structure in example.Two kinds of modelings of the bicomponent filament Expect in component, the plastic fraction compared with low melting point is outer cover component 9, and the plastic fraction of higher melt is interior core component 10.With carbon The filler 4 of sour calcium form is preferably and is only included in the present embodiment in the outer cover component 9 of bicomponent filament.
Figure 2 illustrates a kind of spy for being used to manufacture the spun-bonded non-woven fabrics 2 (Spunbond-Vliese) according to the present invention Not preferred equipment.Continuous filament yarn 3 is sprayed by means of spinning head 11 first herein spins and is then directed through monomer sucking-off dress Put 12.And then, the continuous filament yarn 3 is cooled down in cooling device 13.The cooling device 13 is preferably and in this implementation There are two cabin sections 14,15 for stackedly or on flow of filaments direction setting with following one another in example, different temperatures it is cold But air is from these cabin sections imported into the flow of filaments space.And then cooling device 13, the continuous filament yarn 3 is reached In the center-aisle 16 assembled on flow of filaments direction.The bottom drawing passage 17 of device for stretching 18 is connected to the center-aisle On 16.The structural scheme is used for continuous filament yarn 3 described in drawing.The continuous filament yarn 3 pulled from bottom in passage 17 out is then excellent Selection of land and two diffusions stackedly or on flow of filaments direction set with following one another are directed through in the present embodiment Device 19,20.Recommend ground and in the present embodiment, surrounding air to be provided between the diffuser 19,20 into gap 25, Surrounding air can be entered by the surrounding air into gap.Suitably and in the present embodiment, the continuous filament yarn 3 connects The storing unit for spun-bonded non-woven fabrics 2 for being placed on and being configured to deposit guipure 21.The spun-bonded non-woven fabrics 2 are along machine Direction M is seen off by means of the storage guipure 21.
Preferably and in the present embodiment, Gu the spun-bonded non-woven fabrics 2 by means of the calendering of calender 22 or pre-reinforcement/ Change according to an implementation flexible program, calender roll 23 is provided with the intaglio plate not shown in further detail, and the phase therewith of calender 22 Interaction or corresponding calender roll 24 is preferably and in the present embodiment equipped with smooth surface.The system in the way of being explained The spun-bonded non-woven fabrics 2 made can be used for packaging wall portion (side of sidewall portion 5 and/or the bottom of packaging bag 1 simply and without any problems Part 7 and/or cover 8).
Figure 3 illustrates the bicomponent filament for the welding spun-bonded non-woven fabrics 2 according to the present invention.In fig. 3 a In the embodiment of shown bicomponent filament, compared to outer cover component 9, the share of interior core component 10 is dominant.With calcium carbonate The filler of form is only contained in the bicomponent filament according to Fig. 3 in outer cover component 9, and the outer cover component corresponds to compared with eutectic The plastic fraction of point.Bicomponent filament according to Fig. 3 a is especially adapted for use in the spun-bonded non-woven fabrics 2 to form the side of sidewall portion 5 of packaging bag 1.
Differently, there is the outer cover component 9 of considerably higher share in other words compared with low melting point according to Fig. 3 b bicomponent filament Plastic fraction.Equally herein, the filler is only contained in preferably and in the present embodiment the outer cover component 9 In.Bicomponent filament according to Fig. 3 b is especially adapted for use in the spun-bonded non-woven fabrics 2 that must be welded or spun-bonded non-woven fabrics region.For This, the outer cover component 9 of the plastic fraction with compared with low melting point provides enough welding materials.The welding is preferably with so Degree perform：That is, only substantially described outer cover component 9 melts or welded in other words.Thus, according to Fig. 3 b bicomponent filament It is especially adapted for use in the bottom part 7 to be welded and/or cover 8. to be welded of the packaging bag 1 according to the present invention
Compared with the mass ratio of the plastic fraction (outer cover component 9) and the plastic fraction (interior core component 10) of higher melt of low melting point 20: 80 may be calculated as in the embodiment according to Fig. 3 a.Differently, in the embodiment according to Fig. 3 b, compared with the modeling of low melting point Material component (outer cover component 9) and the mass ratio of the plastic fraction (interior core component 10) of higher melt are calculated as 40: 60.

Claims (18)

1. welding spun-bonded non-woven fabrics (2), especially as the welding of package or packaging bag (1) part Spun-bonded non-woven fabrics are packed for, wherein, the spun-bonded non-woven fabrics (2) have the continuous filament yarn (3) being made up of thermoplastic, its In, the continuous filament yarn (3) has at least 3 percentage by weights, at least one filler (4) of preferably at least 4 percentage by weights, Weldability for improving spun-bonded non-woven fabrics (2), in particular for reducing the welding temperature in spun-bonded non-woven fabrics (2) thermal weld Degree, and preferably, the continuous filament yarn (3) is single component filaments.
2. welding spun-bonded non-woven fabrics (2), especially as the welding of package or packaging bag (1) part Spun-bonded non-woven fabrics are packed for, wherein, the spun-bonded non-woven fabrics (2) have the continuous filament yarn (3) being made up of thermoplastic, its In, the continuous filament yarn (3) is configured to multicomponent filaments, is in particular designed as bicomponent filament, wherein, the continuous filament yarn (3) at least one component has at least 3 percentage by weights, at least one filler (4) of preferably at least 4 percentage by weights, Weldability for improving spun-bonded non-woven fabrics (2), in particular for reducing the welding temperature in spun-bonded non-woven fabrics (2) thermal weld Degree.
3. according to the welding spun-bonded non-woven fabrics described in claim 1 or 2, wherein, the continuous filament yarn or the continuous length At least one component of silk (3) has the fillers (4) of 4 to 25 percentage by weights, preferably 5 to 20 percentage by weights and very The filler (4) of preferably 6 to 15 percentage by weights.
4. according to the welding spun-bonded non-woven fabrics any one of claims 1 to 3, wherein, the filler (4) is gold Belong to salt, preferably alkali salt, preferred calcium salt and highly preferred calcium carbonate.
5. according to the welding spun-bonded non-woven fabrics any one of claim 2 to 4, wherein, compared to the long filament Second plastic fraction, be arranged on first plastic fraction on multicomponent filaments bicomponent filament surface in other words have it is identical molten Put or compared with low melting point, and the filler (4) is at least comprised in the identical fusing point or the first plastics group compared with low melting point In point.
6. according to the welding spun-bonded non-woven fabrics described in claim 5, wherein, bi-component is long in other words for the multicomponent filaments Silk has inner core-enclosure configurations structure, and the outer cover component (9) preferably form the identical fusing point or relatively low of long filament The plastic fraction of fusing point.
7. according to the welding spun-bonded non-woven fabrics described in claim 6, wherein, the filler (4) is arranged at described Bicomponent filament is in other words in the outer cover component (9) of multicomponent filaments.
8. according to the welding spun-bonded non-woven fabrics any one of claim 5 to 7, wherein, the identical fusing point or compared with The matter of the plastic fraction of low melting point the first plastic fraction and the second plastic fraction plastic fraction of higher melt in other words in other words Amount is than being 10: 90 to 35: 65, preferably 15: 85 to 35: 65, preferably 25: 75 to 50: 50 and highly preferred 30: 70 to 45: 55.
9. according to the welding spun-bonded non-woven fabrics any one of claim 1 to 8, wherein, the spun-bonded non-woven fabrics (2) It is the spun-bonded non-woven fabrics (2) of calendering, and at least one surface glossily calendering of the spun-bonded non-woven fabrics (2).
10. packed in other words according to the welding spun-bonded non-woven fabrics (2) any one of claim 1 to 8 for manufacturing With the method for spun-bonded non-woven fabrics, wherein, continuous filament yarn (3) is spun by means of spinning head (11) spray, by the continuous filament yarn in cooling Cooled down in device (13), and then carry out drawing by means of device for stretching (18) and be then placed into for spun-bonded non-woven fabrics (2) on storing unit.
11. in accordance with the method for claim 10, wherein, the spun-bonded non-woven fabrics (2) utilize calender (22) calendering, its In, the calender (22) have from 10% to 90% and preferably from 18% to 30% impressing face, it is and preferably, described The depth of indentation of calender intaglio plate is 0.1 to 0.6mm, preferably 0.2 to 0.4mm.
12. according to the method described in claim 10 or 11, wherein, the quantity of the intaglio plate point of the calender (22) is more than 30/ cm2And preferably greater than 40/cm2。
13. package, especially packaging bag (1), are preferred for accommodating product, such as cement can load and/or flowable Analog, the package have at least one spun-bonded non-woven fabrics (2) according to any one of claim 1 to 9 or Say and be packed for spun-bonded non-woven fabrics and/or with least one basis according to the method system any one of claim 10 to 12 The spun-bonded non-woven fabrics made are packed for spun-bonded non-woven fabrics in other words, wherein, spun-bonded non-woven fabrics/be packed for spun-bonded non-woven fabrics are formed Packaging wall portion and/or be the part for packing wall portion, the section of and spun-bonded non-woven fabrics/be packed for spun-bonded non-woven fabrics exists Package is packed in the side of sidewall portion region of wall portion and/or is welded to one another in bottom section and/or in cover area in other words.
14. according to the package described in claim 13, wherein, spun-bonded non-woven fabrics/be packed for spun-bonded non-woven fabrics are packagings The part of wall portion-laminate, and the laminate preferably also has at least one film, preferably plastic foil.
15. according to the package described in claim 14, wherein, plastic foil is arranged on the inner side for packing wall portion to the film in other words On.
16. according to the package any one of claim 13 to 15, wherein, the side of sidewall portion (5) of the package has At least one spun-bonded non-woven fabrics (2), especially according to the spun-bonded non-woven fabrics any one of claim 2 to 9, wherein, institute State spun-bonded non-woven fabrics (2) and include the bicomponent filament with inner core-enclosure configurations structure, and the interior core component (10) and institute The mass ratio for stating outer cover component (9) is 10: 90 to 35: 65, preferably 15: 85 to 35: 65, preferably 20: 80 to 30: 70, very excellent Select 20: 80 to 25: 75.
17. according to the package any one of claim 13 to 16, wherein, at least one cover (8) is in other words extremely The cover (8) of a few planar is the part of the packaging wall portion, wherein, the cover has at least one especially Be according to the spun-bonded non-woven fabrics (2) any one of claim 2 to 9, wherein, the spun-bonded non-woven fabrics (2) are comprising having The bicomponent filament of inner core-enclosure configurations structure, and the interior core component (10) and the mass ratio of the outer cover component (9) be 35: 65 to 50: 50, preferably 40: 60 to 45: 55.
18. according to the package any one of claim 13 to 17, wherein, at least one bottom part (7) is in other words The bottom part (7) of at least one planar is the part of the packaging wall portion, wherein, the bottom part has at least one Kind of spun-bonded non-woven fabrics (2), especially according to the spun-bonded non-woven fabrics any one of claim 2 to 9, wherein, the spunbond without Spin cloth (2) and include the bicomponent filament with inner core-enclosure configurations structure, and the interior core component (10) and the outer cover group The mass ratio for dividing (9) is 35: 65 to 50: 50, preferably 40: 60 to 45: 55.
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EP3480352B1 (en) 2020-02-12
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EP3480352A1 (en) 2019-05-08
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EP3216905A1 (en) 2017-09-13
US20180002851A1 (en) 2018-01-04

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