CN104342780B - Cut fibre composite fibre and its manufacture method and non-woven fabrics and its manufacture method - Google Patents
Cut fibre composite fibre and its manufacture method and non-woven fabrics and its manufacture method Download PDFInfo
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- CN104342780B CN104342780B CN201410379878.0A CN201410379878A CN104342780B CN 104342780 B CN104342780 B CN 104342780B CN 201410379878 A CN201410379878 A CN 201410379878A CN 104342780 B CN104342780 B CN 104342780B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
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- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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- Nonwoven Fabrics (AREA)
- Multicomponent Fibers (AREA)
- Mechanical Engineering (AREA)
Abstract
The present invention provides one kind and cuts fibre composite fibre and its manufacture method and non-woven fabrics and its manufacture method.The present invention provides a kind of weak external force by high-voltage column-like water flow degree and carries out cutting fibre, and cuts the superfine non-woven fabrics for cutting fibre composite fibre and the excellent wiping of performance of the fiber after fibre.One kind cuts fibre composite fibre, and the non-woven fabrics of fibre composite fibre formation is cut using this, this cuts the composition A that fibre composite fibre includes below the mass % of more than 60 mass % 90, below the mass % of more than 10 mass % 40 composition B, composition A and composition B are immiscible, composition A or composition B is acrylic polymer, the fibre section vertical with fiber axis is shaped as flat pattern of the flat ratio below more than 3 20, and be sea portion with composition A, composition B is the composite construction of island portion, the non-woven fabrics, which has, to be cut fibre composite fibre to this and cut fine portion is cut formed by fibre, it is described to cut the part that there is fiber width to be less than more than 0.01 μm 1 μm in fine portion.
Description
Technical field
The present invention relates to cut fibre composite fibre and its manufacture method and used non-woven fabrics and its manufacturer of the fiber
Method.
Background technology
In recent years, using with the acrylic fiber for cutting fibre in the products such as non-woven fabrics wiper.These products are most
Using the fiber that length is below 5mm, product is typically processed into by copy paper method, by applying what is provided by beater to fiber
Powerful power, fibre is cut so that fine to fiber progress.Therefore, the said goods wiping is good, but due to having used adhesive, therefore
For paper-like and without volume, Boardy Feeling.
Therefore, using the fiber that length is more than 10mm, entanglement can be produced between fiber and non-woven fabrics is made, thus not
It is also out of question using adhesive, the feel of softness can be obtained, therefore preferably.In addition, the fiber after fibre is cut, it is excellent in order to play
Wiping, preferably thinner fiber.
But in the case of using the fiber of fibre length length, using mashing in the process for carrying out cutting fibre to fiber
During the beaters such as machine/disc mill, fiber mutually winds and forms fibrous nodules, produces mesh screen blocking, the quality variation for making cloth etc.
Problem, it is industrial highly difficult.
The fiber of fibre length length cuts the fine high-voltage column-like water stream preferably used used in water jet etc..But, due to height
Compression leg shape current cut that fine ability is smaller compared with beater, therefore be contemplated to be can be by high-voltage column-like water stream for fiber used
Power cut the fiber of fibre.On the other hand, it is former that there is the acrylic fiber majority for cutting fibre easily to be cut by beater
Fibre, and fibre cannot sufficiently be cut by the external force of high-voltage column-like water flow degree.
Propose the scheme (patent document 1) of the acrylic fiber on that by high-voltage column-like water stream can cut fibre.
The fibre diameter for the acrylic fiber cut the part of fibre slightly reaches more than 0.1dtex (about 3 μm of diameter), used this third
The non-woven fabrics of olefin(e) acid fiber, which exists, wipes sex chromosome mosaicism.In addition, it is also proposed on by acrylic polymer and cellulose acetate
The scheme (patent document 2) of the compound fiber for turning to island structure.But, the composite fibre can not pass through high-voltage column-like water
The power of flow degree carries out cutting fibre.
Prior art literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2004-115946 publications
Patent document 2:Japanese Unexamined Patent Publication 2003-89924 publications
The content of the invention
Problems to be solved by the invention
Carry out cutting fibre it is an object of the invention to provide a kind of weak external force by high-voltage column-like water flow degree, and cut after fibre
Fiber it is superfine so that play excellent wiping when non-woven fabrics is made cuts fibre composite fibre, one kind is provided in addition and used
The excellent non-woven fabrics of the wiping for cutting fibre composite fibre.
Method for solving problem
The present invention's cuts fibre composite fibre for the composition A comprising below the mass % of more than 60 mass % 90,10 mass %
Below the mass % of the above 40 composition B fiber, composition A and composition B are immiscible, and composition A or composition B are polymerize by acrylic
Thing is constituted, the flat pattern of the flat ratio for being shaped as following provisions of the fibre section vertical with fiber axis below more than 3 20, and
With the composite construction that composition A is extra large portion, composition B is island portion.
In addition, on the flat ratio in the present invention, using length most long in the fibre section vertical with fiber axis as most
Big width, using length most long on the thickness direction vertical with above-mentioned Breadth Maximum direction as maximum gauge, by Breadth Maximum/
Maximum gauge is used as flat ratio.
The present invention to cut fibre composite fibre preferred：It is the composition A comprising below the mass % of more than 60 mass % 90,10
Mass below the % of more than quality % 40 composition B fiber, composition A and composition B are immiscible, and composition A is to be polymerize by acrylic
Composition that thing is constituted, the fibre section vertical with fiber axis is shaped as flat pattern of the flat ratio below more than 3 20, and has
The composite construction that composition A is extra large portion, composition B is island portion.
Fibre composite fibre is cut in the present invention, preferably：Relative to the composition being made up of acrylic polymer not phase
Molten composition be from cellulose acetate, PVP, polyvinyl chloride and Dichlorodiphenyl Acetate cellulose carry out alkali process and
Into cellulose group at least one composition for selecting.
Fibre composite fibre is cut in the present invention, in the fibre section vertical with the fiber axis of single fiber, preferably often
The island portion number of unit fiber number is 60/more than dtex, 200/below dtex.
Fibre composite fibre is cut in the present invention, and preferably filament denier is more than 1dtex below 20dtex, above-mentioned flat
The maximum gauge of flat shape shape is less than more than 1 μm 10 μm, and single fiber elongation is less than more than 10% 50%.
The present invention the manufacture method for cutting fibre composite fibre be：Composition A as acrylic polymer is dissolved in
The solution and the composition B immiscible with composition A of gained are dissolved in the solution of gained in solvent C with composition A and composition B in solvent C
Quality ratio A/B mix mixed solution be made for 90/10~60/40 mode, by above-mentioned mixed solution from spinning
The squit hole of spinneret is shaped as long edge lengths and ratio i.e. aperture ratio (the long side of bond length of rectangle and above-mentioned flat pattern
Length/bond length) it is ejected into for the spinning spinneret of less than more than 3 20 squit hole in the solidification liquid comprising solvent C.
In addition, the manufacture method for cutting fibre composite fibre of the present invention is：Will be molten as the composition B of acrylic polymer
Solution solution and the composition A immiscible with composition B of gained in solvent C be dissolved in solvent C the solution of gained with composition A with into
Point B quality ratio A/B is mixed for 90/10~60/40 and mixed solution is made, by above-mentioned mixed solution from spinning spinneret
Squit hole is shaped as ratio i.e. aperture ratio (long edge lengths/short side of rectangle and above-mentioned rectangular long edge lengths and bond length
Length) it is ejected into for less than more than 3 20 squit hole in the aqueous solution comprising solvent C.
The manufacture method of fibre composite fibre is cut in the present invention, preferably the composition immiscible with acrylic polymer
For cellulose acetate.
The manufacture method of fibre composite fibre is cut in the present invention, and the solid component concentration of preferably above-mentioned mixed solution is
Below the mass % of more than 15 mass % 30, the concentration of the solvent C of above-mentioned solidification liquid is less than more than 20% 60%, and temperature is 20 DEG C
Below 60 DEG C of the above.
The non-woven fabrics of the present invention is containing the above-mentioned non-woven fabrics for cutting fibre composite fibre, with cutting the compound fibre of fibre to above-mentioned
Dimension cut the fine portion of cutting of fibre, above-mentioned to cut the part that there is fiber width to be less than more than 0.01 μm 1 μm in fine portion.
The present invention non-woven fabrics in, the preferably above-mentioned fibre length for cutting fibre composite fibre be more than 25mm 150mm with
Under, the above-mentioned containing ratio for cutting fibre composite fibre is below the mass % of more than 20 mass % 100.
In the non-woven fabrics of the present invention, preferably comprise the above-mentioned fibre that cuts more than 20 mass % below 80 mass % and be combined fibre
Dimension, has in 5mm × 5mm of nonwoven surface any range and cuts fine portion.
In the manufacture method of the non-woven fabrics of the present invention, sprayed to comprising the above-mentioned net injection for cutting fibre composite fibre from ejiction opening
The high pressure columnar fluid gone out, carries out cutting fine processing to cutting fibre composite fibre, the pressure of above-mentioned high pressure columnar fluid for 5MPa with
Upper below 30MPa, is more than 10mm below 100mm from distance of the ejiction opening of above-mentioned high pressure columnar fluid to net surface.
The present invention non-woven fabrics manufacture method in, preferably spray above-mentioned high pressure columnar fluid ejiction opening it is a diameter of
Less than more than 80 μm 200 μm, the transporting velocity for cut the net for cutting fine processing of fibre composite fibre is more than 5m/ minutes
200m/ minutes following.
The cleaning wiping cloth of the present invention is the cleaning wiping cloth for including above-mentioned non-woven fabrics.
The effect of invention
In accordance with the invention it is possible to which providing one kind cuts fibre composite fibre, fibre composite fibre is cut for by the institute such as water jet
The weak external force of high-voltage column-like water flow degree carries out cutting fibre, and cuts and cut the superfine fiber in fine portion after fibre, when non-woven fabrics is made
Play excellent wiping.In addition, by cutting fibre composite fibre comprising this, using the teaching of the invention it is possible to provide the excellent non-woven fabrics of wiping.
Brief description of the drawings
Fig. 1 is one of non-woven fabrics of the present invention electron micrograph in 100 times of multiplying power.
Fig. 2 is electron micrograph of another example of the non-woven fabrics of the present invention in 100 times of multiplying power.
Symbol description
D：Composite fibre has carried out cutting fine part not retain the degree of fiber prototype in the non-woven fabrics of the present invention
E：Composite fibre remains the part of fiber prototype in the non-woven fabrics of the present invention
Embodiment
Embodiments of the present invention are described in detail below.
In the present invention, fibre composite fibre is cut for the composition A comprising below the mass % of more than 60 mass % 90,10 matter
Below the mass % of more than the % 40 composition B dissolved in solvent C with composition A jointly fiber is measured, composition A and composition B is not
Mix, composition A or composition B are acrylic polymer, and the fibre section vertical with fiber axis (below, is also only called " fiber
Section ") be shaped as flat pattern of the flat ratio below more than 3 20.
The present invention's cuts fibre composite fibre because composition A and composition B are immiscible, therefore forms in fibre section quality
Composition A more than ratio is the composite construction that the few composition B of extra large portion, quality ratio is island portion, by using such composite construction,
Carry out cutting fibre easily by the weak external force of high-voltage column-like water flow degree.
In the present invention, so-called immiscible solution X and composition the B dissolving for referring to, composition A being dissolved in gained in solvent C
In solvent C during the solution Y mixing of gained, solution X and solution Y has interface, is able to observe that the property being separated from each other.
Because the non-woven fabrics for cutting fibre composite fibre containing the present invention has hydrophilic, oleophylic both sexes, therefore preferred component A
Or composition B is acrylic polymer.Further, by making composition A be acrylic polymer, and with very thin sharp
Angle section, so that with using other natural/chemical fibre phase wiping properties more excellent than being readily obtained.In addition,
Due to easily being stretched on the manufacture face for cutting fibre composite fibre, spinnability easily becomes good, therefore more preferably.
On the other hand, even if composition B is acrylic polymer, composition A also no problems in terms of spinnability are preferably selected
The material of fibre can be obtained cutting by the weak external force of high-voltage column-like water flow degree.Here, as composition A, acetic acid can be enumerated fine
Tie up element, PVP, polyvinyl chloride, cellulose.
If the quality ratio for cutting the composition A in fibre composite fibre is more than 60 mass %, fibre composite fibre is cut
The composite construction on island is formed, if below 90 mass %, then fibre composite fibre is cut and is easily cut fibre.
In addition, if the quality ratio for cutting the composition B in fibre composite fibre is more than 10 mass %, then cuts fibre and answer
Condensating fiber easily by high-voltage column-like water flow degree weak external force carry out cut fibre, if above-mentioned quality ratio be 40 mass % with
Under, then the composite construction that fibre composite fibre easily forms island is cut, the number of times reduction broken during spinning, process is easy by property
Become good.In the present invention, so-called weak external force, target is turned into pressure gauge 30MPa or so current.
It is by acrylonitrile monemer and can as the acrylic polymer of the composition for cutting fibre composite fibre of the present invention
The polymer accounted for more than 50 mass % with unsaturated monomer composition, the acrylonitrile unit of its copolymerization.In addition, can as
With the unsaturated monomer of acrylonitrile monemer copolymerization, acrylic acid, methacrylic acid or their alkyl esters, acetic acid second can be enumerated
Alkene ester, acrylamide, vinyl chloride, vinylidene chloride, further according to vinylbenzenesulfonic acid sodium, the methallylsulfonic acid of purpose
Sodium, ALS, acrylamido methyl propane sulfonic acid sodium, sodium are unsaturated to sulfophenyl methallyl ether isoiony single
Body.Unsaturated monomer more preferably vinyl acetate that can be with acrylonitrile monemer copolymerization.By using vinyl acetate, dyeability
Become good, manufacturing cost becomes cheap.
The composition immiscible with acrylic polymer cut in fibre composite fibre of the present invention, as long as relative to third
Alkene nitrile based polymer is immiscible, can be dissolved in the composition for the solvent for dissolving acrylic polymer, is just not particularly limited.On
It is preferably to be carried out from cellulose acetate, cellulose, PVP, polyvinyl chloride and Dichlorodiphenyl Acetate cellulose to state composition
The composition selected in the group of the cellulose of alkali process.
As long as these compositions, then spinnability is good, easily forms island structure.
Cutting by the weak external force of high-voltage column-like water flow degree is more preferably with the immiscible composition of acrylic polymer
The good cellulose acetate of fibre.Further, from the viewpoint of water imbibition, the above-mentioned preferred average acetylation degree of cellulose acetate
For the cellulose acetate below more than 48.8% 62.5%, more preferably average acetylation degree is less than more than 48.8% 56.2%
Cellulose diacetate.
In addition, if being to carry out cellulose by alkali process to all or part of these cellulose acetates to form
Cellulose, then water imbibition further improve, therefore more preferably.
Do not damage from island structure cut fibre in the range of, it is of the invention to cut fibre composite fibre and contain
Other polymer, antiseptic, antistatic agent, preservative etc..
In addition, that flat ratio is formed preferably on fibre section is flat below more than 3 20 for the fibre composite fibre that cuts of the present invention
Flat shape shape.Easily by the external force of high-voltage column-like water stream if the above-mentioned flat ratio on fibre section is more than 3, easily cut
Fibre, the spinning of fibre composite fibre is cut if above-mentioned flat ratio is less than 20 becomes easy.From cut fibre, spinnability viewpoint
Consider, more preferably above-mentioned flat ratio is 4~15, further preferred above-mentioned flat ratio is 5~10.
Flat ratio in the present invention is measured by method described later (assay method of flat ratio).
Fibre composite fibre is cut in the present invention, by applying the weak external force of high-voltage column-like water flow degree carries out cutting fibre.
Therefore, the fibre section for cutting fibre composite fibre is preferably the flat of the impact of weak external force easily by high-voltage column-like water flow degree
Flat shape shape.In addition, the polymer that fibre composite fibre is cut in formation moderately stretches orientation in fiber direction of principal axis, it is combined cutting fibre
It is critically important that fibrous inside does not form interface between similar polymers.Therefore, the fibre composite fibre that cuts of the invention is formd externally
The fragile composite construction of power, efficiently can also be combined even the weak external force of high-voltage column-like water flow degree can be played to cutting fibre
Fiber, which cut, fine so excellent cuts fibre.
The present invention's cuts fibre composite fibre, and the island portion number of per unit fiber number is 60 preferably in the fibre section of single fiber
Individual/200/below dtex of more than dtex.If the island portion number of per unit fiber number be 60/more than dtex, due to 2 kinds into
Interface between point is increased, and cuts that fibre is good, therefore wiping when being made non-woven fabrics is good, if the island portion of per unit fiber number
Number is 200/below dtex, then the fibre strength for cutting fibre composite fibre is difficult to reduce, and spinnability is good.Examined from above-mentioned viewpoint
Consider, the island portion number of preferably above-mentioned per unit fiber number is less than more than 70 130, more preferably less than more than 72 110.
The present invention's cuts the preferred filament denier of fibre composite fibre for more than 1dtex below 20dtex.If cutting fibre
The filament denier of composite fibre is more than 1dtex, then cutting the spinning of fibre composite fibre becomes easy, if above-mentioned single fiber
Fiber number is below 20dtex, then the thickness of fibre section diminishes, even the weak external force of high-voltage column-like water flow degree is also easily cut
It is fine.Consider from above-mentioned viewpoint, more preferably above-mentioned filament denier is more than 2dtex below 10dtex, more preferably 3dtex
Below above 6dtex.
The present invention's cuts fibre composite fibre, and preferably the maximum gauge of the flat pattern of fibre section is (with reference to described later (flat
The measure of flat rate)) it is less than more than 1 μm 10 μm.If above-mentioned maximum gauge is more than 1 μm, compound using fibre is cut
In the manufacture of the non-woven fabrics of fiber, due to the single fiber in combing (card) process for forming the net sprayed by high-voltage column-like water stream
Disconnect less, therefore carding step is good by property, if less than 10 μm, even if then cutting fibre composite fibre passes through high pressure column
The weak external force of current degree also easily cuts fibre.Consider from above-mentioned viewpoint, the length of above-mentioned maximum gauge is more preferably more than 3 μm 8 μ
Below m.In addition, so-called net refers to that multiple chopped fibers are neat or is randomly laminated and is formed as the material of sheet.
The preferred single fiber elongation of fibre composite fibre that cuts of the present invention is less than more than 10% 50%.If above-mentioned single fiber
It is more than 10% to tie up elongation, then is disconnected less due to cutting fibre composite fibre single fiber in above-mentioned carding step, therefore comb
Process is good by property, even if cutting fibre composite fibre if above-mentioned single fiber elongation is less than 50% passes through high pressure column
The weak external force of current degree also easily cuts fibre.Consider from above-mentioned viewpoint, above-mentioned single fiber elongation is more preferably more than 20%
Less than 40%, more preferably less than more than 25% 35%.
The present invention's cuts the preferred fiber strength of fibre composite fibre for more than 1cN/dtex below 3cN/dtex.If on
Fiber strength is stated for more than 1cN/dtex, then it is few due to being disconnected using single fiber when cutting fibre composite fibre formation non-woven fabrics,
Therefore carding step is good by property, if above-mentioned fiber strength is below 3cN/dtex, passes through high-voltage column-like water flow
The weak external force of degree easily cuts fibre.Above-mentioned fiber strength is more preferably more than 1.5cN/dtex below 2.5cN/dtex.
The fibre composite fibre that cuts of the present invention is preferably cut to below fibre length 25mm above 150mm.If cutting fibre
Property composite fibre fibre length be more than 25mm, then due in carding step network capacity easily connect, therefore process is good by property
Good, if the fibre length for cutting fibre composite fibre is below 150mm, the generation of broken silk is reduced, and is readily obtained quality better
Net, easily tangles, is readily available the intensity of non-woven fabrics each other in addition, cutting fibre composite fibre.Consider from above-mentioned viewpoint, cut fibre
The fibre length of composite fibre is more preferably more than 30mm below 120mm, more preferably more than 35mm below 80mm.
The present invention the manufacture method for cutting fibre composite fibre be：Composition A as acrylic polymer is dissolved in
The solution and the composition B immiscible with composition A of gained are dissolved in the solution of gained in solvent C with composition A and composition B in solvent C
Quality ratio A/B mixed solution is made for 90/10~60/40 mixing, by above-mentioned mixed solution from the spray of spinning spinneret
Portal and be shaped as the ratio i.e. aperture ratio of rectangle and above-mentioned rectangular long edge lengths and bond length (long edge lengths/short side is long
Degree) it is ejected into for less than more than 3 20 squit hole in the aqueous solution comprising solvent C.
In addition, the manufacture method for cutting fibre composite fibre of the present invention is：Will be molten as the composition B of acrylic polymer
Solution solution and the composition A immiscible with composition B of gained in solvent C be dissolved in solvent C the solution of gained with composition A with into
Point B quality ratio A/B is mixed for 90/10~60/40 and mixed solution is made, by above-mentioned mixed solution from spinning spinneret
Squit hole is shaped as ratio i.e. aperture ratio (long edge lengths/short side of rectangle and above-mentioned rectangular long edge lengths and bond length
Length) it is ejected into for less than more than 3 20 squit hole in the aqueous solution comprising solvent C.
The manufacture method for cutting fibre composite fibre of the present invention, is preferably dissolved in institute in solvent C by acrylic polymer
The solution that the solution and the composition immiscible with acrylic polymer obtained is dissolved in gained in solvent C is mixed.By by propylene
Nitrile based polymer and the composition immiscible with acrylic polymer are mixed after being dissolved separately in solvent, are forming island
In the fibre section of structure, the island portion number of per unit fiber number easily becomes 60/more than dtex, 200/below dtex.
Further, by being mixed using composition A with composition B quality ratio A/B as 90/10~60/40, per unit is fine
The island portion number of degree easily becomes 60/more than dtex, 200/below dtex.
In addition, cut the manufacture method of fibre composite fibre in the present invention, it is preferably immiscible with acrylic polymer
Composition be at least one composition for being selected from the group of cellulose acetate, PVP and polyvinyl chloride, enter
One step is more preferably cellulose acetate.
Can be inorganic system as long as the solvent of solvent C solvent components A acrylic polymer is just not particularly limited
Any of solvent, organic series solvent.As such solvent, can for example enumerate nitric acid (aqueous solution), solder(ing)acid,
The potassium rhodanide aqueous solution, dimethylformamide, dimethyl acetamide, dimethyl sulfoxide (DMSO), ethylene carbonate, propylene carbonate, γ-
Butyrolactone, acetone etc., particularly from the viewpoint of dissolubility, operability, can enumerate dimethyl acetamide as preferred molten
Agent.
As long as the squit hole of spinning spinneret is shaped as rectangle, cut fibre composite fibre fibre section be shaped as it is flat
Rate is flat below more than 3 20, then the aperture ratio (long edge lengths/bond length) of the squit hole of spinning spinneret is just without special
Limitation, when the aperture ratio of above-mentioned ejection hole shape is less than more than 3 20, due to cutting the fibre section shape of fibre composite fibre
Flat ratio easily forms less than more than 3 20, therefore preferably, aperture ratio is more preferably less than more than 5 15.In addition, spinning spinneret
Ejection hole shape can also be flat pattern.Due to manufacturing conditions such as the spouting velocity according to fiber, stretching ratios, fiber
The performance rate of flat degree is different, therefore the aperture ratio of above-mentioned squit hole is fine according to target preferably in the range of above-mentioned aperture ratio
The flat ratio of dimension is suitably selected with manufacturing condition.
The polymer concentration of mixed solution is different according to solvent, if organic solvent, then preferably dense with solid constituent
Degree is calculated as more than 15 mass % below 30 mass %.If above-mentioned solid component concentration is more than 15 mass %, fibre section
Shape easily form flat pattern, if below 28 mass %, then because the viscosity of mixed solution will not be too high, therefore work
Sequence easily becomes good by property.Above-mentioned solid component concentration is more preferably more than 18 mass % below 28 mass %, further
Preferably below the mass % of more than 20 mass % 24.
The manufacture method for cutting fibre composite fibre of the present invention can use wet-spinning, dry-and wet-type spin processes and do
Any of formula spin processes, in these, wet-spinning are fast due to the solidification of mixed solution, and fibre section easily forms flat
Flat shape shape, therefore preferably.In addition, wet-spinning easily cuts fibre due to easily forming many pleats in fiber surface, thus it is excellent
Choosing.
On using wet-spinning or dry-and wet-type spin processes when solidification liquid, preferably use with used in mixed solution
The aqueous solution of solvent same solvent.It is preferred that the temperature of above-mentioned solidification liquid is less than more than 20 DEG C 60 DEG C, solvent strength is 20 matter
Measure below the mass % of more than % 60 aqueous solution.If the temperature of solidification liquid, concentration are above range, the solidification of mixed solution
Will not be too slow, it is difficult to form the fiber of densification, therefore fibre is easily cut, in addition, solidification also will not be too fast, shape is difficult in fiber surface
Into excessive pleat structure, flat fiber shape is able to maintain that, therefore preferably.The temperature of more preferably above-mentioned solidification liquid is 30 DEG C
Below 50 DEG C of the above, solvent strength be below the mass % of more than 30 mass % 50.
Using mixed solution as spinning solution, it is shaped as rectangular spinning spinneret using squit hole and is ejected into solidification liquid
In, the undrawn yarn of fibre morphology has been made by excipient, the undrawn yarn is washed in boiling water at the same be stretched to stretching ratio 3~
7 times.If stretching ratio is more than 3 times, the mechanical strength of the fiber of gained will not be reduced, spinning property, the durability of product
Improve.If other stretching ratio is less than 7 times, the processes such as fracture of wire trouble is not likely to produce.Drawing with conventional method to gained
Stretch silk and implement finish processing, drying, heat treatment without tension etc..
In addition, the manufacture method of fibre composite fibre is cut in the present invention, to the coagulated yarn before compacting by drying, washing
Silk or drawn yarn, can also add the functional materials of soil resistance, antibiotic property etc., such as fluorine system compound, amine compound
It is naturally material Deng material, chitin, chitosan etc..
, can also be to operating as described above cutting of obtaining in addition, cut the manufacture method of fibre composite fibre in the present invention
Fibre composite fibre implements alkali process, by all or part cellulose of the cellulose acetate of island portion.In this case,
The all or part that cellulose acetate can be obtained is that the island portion through cellulose, acrylic polymer are extra large portion
Structure cut fibre composite fibre.
Above-mentioned alkali process can be carried out by tow dyeing machine, cotton dyeing machine, yarn package dyeing machine, hank-dyeing machine etc..
On above-mentioned alkali process condition, if for example island portion is cellulose diacetate, fibre composite fibre will be cut in concentration 12%, temperature
Impregnated 30 minutes or so in the sodium hydrate aqueous solution of 60 DEG C of degree.According to such alkali process, of the invention cuts the compound fibre of fibre
In dimension the cellulose diacetate of island portion all by cellulose, be that island portion, acrylic polymer are extra large portion as cellulose
Composite construction composite fibre.Alkali process condition can according to application target, change the alkali such as sodium hydroxide, concentration, temperature, when
Between etc..
Then, the non-woven fabrics for cutting fibre composite fibre using the present invention is illustrated.
The non-woven fabrics of the present invention is that, containing the non-woven fabrics for cutting fibre composite fibre, can also include other fibers.This hair
Bright non-woven fabrics has the fine portion of cutting that the progress of fibre composite fibre cuts fibre and is formed as superfine fibre of cutting, the above-mentioned fiber for cutting fine portion
The part in less than more than 0.01 μm 5 μm scopes is in fiber width.
If the fiber number with the most thin portion cut after fibre for cutting fibre fiber described in former patent document 1 point is
0.1dtex (3 μm) is compared, then there is the fiber for cutting fine portion in non-woven fabrics of the invention fiber width to be more than 0.01 μm 1 μm
So thinner fiber below.
The present invention non-woven fabrics in cut fine portion be in the manufacture of non-woven fabrics by net injection high-voltage column-like water stream and
The part of formation, the degree progress not retain the fiber original shape before injection high-voltage column-like water stream is cut fine and is formed as superfine fibre
Dimension.In addition, in this cuts fine portion, the superfine fibre of low hydrophily~high-hydrophilic of cellulose acetate and/or cellulose main body
It is mixed with the hydrophobic superfine fibre of acrylic polymer body.
The fiber for cutting fine portion of the non-woven fabrics of the present invention preferably has the fibre that fiber width is less than more than 0.01 μm 5 μm
Dimension.If above-mentioned fiber width is more than 0.01 μm, cuts the fiber portion obtained by fibre and be difficult to be cut off, if less than 1 μm, then
It is readily obtained good wiping.Above-mentioned fiber width is more preferably less than more than 0.1 μm 0.8 μm, more preferably 0.2 μm
Below 0.5 μm of the above.
There are good wiping properties with the non-woven fabrics for cutting fine portion being so made up of superfine fibre.Therefore, use
The non-woven fabrics for cutting fibre acrylic fiber of the present invention has hydrophilic, oleophylic both sexes, is more than 0.01 μm 1 μm with fiber width
Following superfine fibre, therefore, it is possible to obtain the excellent wiping of the absorption dirt to aqueous, oiliness dirt, minuteness particle
Energy.
The non-woven fabrics of the present invention preferably comprises fibre length and is combined for more than 25mm below the 150mm fibre that cuts of the invention
Fiber.If fibre length is more than 25mm below 150mm, entanglement becomes easy, easily fully obtains the intensity of non-woven fabrics.
Above-mentioned fibre length is more preferably more than 30mm below 120mm, more preferably more than 35mm below 80mm.
The non-woven fabrics of the present invention preferably comprise more than 20 mass % it is of the invention cut fibre composite fibre, further preferably
More than 40 mass %.If containing more than 20 mass %, can fully be obtained in non-woven fabrics wiping well cut fine portion.
If the physical property of non-woven fabrics has no problem, the higher person of containing ratio for cutting fibre composite fibre of the preferred present invention.In the present invention
Non-woven fabrics in, can contain be used for obtain non-woven fabrics needed for physical property other raw material.
The non-woven fabrics of the present invention cuts fine portion due to having in any range of 5mm × 5mm in length and breadth in nonwoven surface, and
Non-woven fabrics is overall equably to have fine portion of cutting, thus wiping is good, therefore preferably.
It is 30g/m that the preferred mesh of non-woven fabrics of the present invention, which is paid,2Above 150g/m2Below.The scope paid if above-mentioned mesh, then
The intensity of non-woven fabrics becomes abundant, may be reused, and raw material unit price is also reduced.Above-mentioned mesh pays more preferably 40g/m2More than
100g/m2Below.More preferably 45g/m2Above 75g/m2Below.
In addition, as other fibers contained by the non-woven fabrics of the present invention, as long as it can be fitted in non-woven fabric manufacturing equipment
Fiber is just not particularly limited, and can enumerate acrylic fiber, polyester fiber, Fypro, vinal, polyene
The synthetic fibers such as hydrocarbon fiber, the chemical fibre such as staple fibre, cellulose acetate fibre, CUP, cotton, fiber crops, wool, silk etc.
Natural fiber, is preferably suitably used according to the application target of non-woven fabrics.For example, from the aspect of enhancing effect, being wiped
Object be oily dirt in the case of, preferably non-woven fabrics of the invention includes oil loving synthetic fibers, in pair wiped
In the case of for water-based soils such as dirt dirt, sweat, preferably non-woven fabrics of the invention includes hydrophilic chemical fibre, natural fibre
Dimension.
Manufacture method to the non-woven fabrics of the present invention is illustrated.
The non-woven fabrics of the present invention can use dry process and damp process.So-called dry process refers to following method：By using
Method and be referred to as the method that airlaid use air stream is randomly laminated that carding machine is arranged in a certain direction, will
The tablet that is laminated of single fiber for being referred to as net is made in chopped fiber (fibre length 15mm~100mm), using liquid stream or
Air-flow applies weak external force to the net, makes fiber entangled with one another and non-woven fabrics is made.
In addition, so-called damp process refers to following method：Chopped fiber (below fibre length 6mm) is dispersed in water and net is used
The paper-like thing for being referred to as pile fabric is taken up and be made to the screen cloth of shape, and the pile fabric is dried and non-woven fabrics is made.In wet type
In method, by carrying out mashing processing when chopped fiber is dispersed in water, it can apply and high-pressure column to cutting fibre composite fibre
The external force of shape current compares stronger external force.
The present invention's cuts fibre composite fibre because the weak external force by high-voltage column-like water flow degree carries out cutting fibre, therefore suitable
The method that non-woven fabrics is made up of above-mentioned damp process is closed, this method is specifically described below.
In the making of the net for cutting fibre composite fibre comprising the present invention, carding combing, random combing, air-flow can be used
Into net mode, mode of manufacturing paper with pulp etc..In the case where cutting the fibre length length of fibre composite fibre, being made for net preferably uses carding
Comb or random combing.
It is preferred that it is 30g/m to be paid according to the mesh of net2Above 150g/m2Following mode is laminated.If above-mentioned mesh is paid
30g/m2More than, then the intensity of non-woven fabrics is improved, and the operability of non-woven fabrics becomes good, if 150g/m2Hereinafter, then energy is netted
Enough overall entanglement, easily also equably cut fibre in thickness direction to cutting the progress of fibre composite fibre.
Then, the net of gained is placed on screen cloth, high-voltage column-like water stream is applied to net, being delivered to progress, fiber is mutual twines
Tie and cut the position for cutting fibre of fibre composite fibre.High-voltage column-like water stream is from the direction arrangement vertical with the conveying direction of net
Multiple ejiction openings spray.
Fine processing is cut on cut fibre composite fibre, net is placed on to static or mobile metal system or resin-made
Screen cloth on, to above-mentioned net spray from ejiction opening spray high-voltage column-like water stream.Nozzle on spraying high-voltage column-like water stream
Bore, quantity, configuration, as long as carrying out cutting fine until the fiber width of fibre composite fibre that cuts of the present invention is more than 0.01 μm 1 μ
In below m scope, just it is not particularly limited.Fine processing is cut using high-voltage column-like water stream in addition, can reprocess, also may be used
Think and multistage nozzles unit, reprocessing or the multistep treatment for changing hydraulic pressure are set.
The hydraulic pressure of the high-voltage column-like water stream applied to net is preferably more than 5MPa below 30MPa.If above-mentioned hydraulic pressure is
More than 5MPa, then fibre can fully be cut by cutting fibre composite fibre, if below 30MPa, then can reduce the fiber for being cut fibre
Cut-out, the generation of the perforation of non-woven fabrics.Consider from above-mentioned viewpoint, above-mentioned hydraulic pressure is more preferably more than 7MPa below 15MPa.
Preferably comprise row that multiple ejiction openings for spraying above-mentioned high-voltage column-like water streams line up and to net jet number sub-high pressure post
Shape current.By to net jet number sub-high pressure column current, easily cutting the fine fiber width for cutting fibre composite fibre into netting
With the scope below more than 0.01 μm 1 μm, in addition, network capacity is easily overall and equably obtains cutting fine portion.
The fine processing of cutting of fibre composite fibre is cut, the preferably distance from the ejiction opening to the net that spray high-voltage column-like water stream is
More than 10mm below 100mm.If above-mentioned distance is more than 10mm, because ejiction opening and net are difficult to contact, therefore, it is difficult to beat
Disorderly the state of net, if below 100mm, then due to easily cutting the external force required for fibre to net fully application, therefore easily fills
Cut fibre with dividing.Above-mentioned distance is more preferably more than 15mm below 50mm, more preferably more than 15mm below 35mm.
Additionally, it is preferred that spraying a diameter of less than more than 80 μm 200 μm of the ejiction opening of high-voltage column-like water stream.If 80 μm
More than, then because high-voltage column-like water stream is difficult to puncture net, therefore the perforation of non-woven fabrics is not likely to produce, if less than 200 μm, then
Because the external force required for fibre is cut in easy raising, therefore easily make to cut fibre composite fibre and cut fibre.Consider from above-mentioned viewpoint,
Above-mentioned diameter is more preferably less than more than 100 μm 180 μm, more preferably less than more than 120 μm 160 μm.
Further, the speed of transmission net when cutting fine processing for preferably carrying out cutting fibre composite fibre is more than 5m/ minutes
50m/ minutes following.If above-mentioned speed is more than 5m/ minute, productivity ratio is good, if 50m/ minutes below, then due to
High-voltage column-like water stream can be fully sprayed in arbitrary point, therefore easily cut fibre.Above-mentioned speed be more preferably 10m/ minutes with
Upper, less than 40m/ minutes, more than more preferably 15m/ minutes, less than 30m/ minutes.
In addition, in the case where non-woven fabrics is comprising other fibers in addition to fibre composite fibre is cut, by arbitrarily mixing
It will be cut after fibre composite fibre is mixed with other fibers with means and net is made, high-voltage column-like water stream is sprayed to cutting fibre to above-mentioned net
Property composite fibre carry out cut fibre, while carry out tangle integration and non-woven fabrics is made.
Then, the cleaning wiping cloth that the non-woven fabrics by the present invention is formed is illustrated.
The cleaning wiping cloth of the non-woven fabrics of superfine fibre had been used known in the past, cleaning wiping cloth is used as, it is known that the cleaning wiping cloth of dry plate type,
The cleaning wiping cloth of humidity strip type.For the cleaning wiping cloth of dry plate type, by using the sheet of superfine fibre of shape with being entered by the friction of wiping surface
Row is powered, is caught so as to adsorb dust, broken silk and being wrapped on fiber.On the other hand, for the cleaning wiping cloth of humidity strip type, by
The cellulose fibres such as cotton, staple fibre, cuprammonium rayon are formed, using the detergent of water or dipstick, cerate etc., are wiped attached
The dirt on bed etc..
The cleaning wiping cloth formed by the non-woven fabrics of the present invention can be dry plate type or humidity strip type.The cleaning wiping cloth of the present invention is included
Fiber width is the superfine fibre in less than more than 0.01 μm 1 μm scope.Due to comprising the superfine fiber of above-mentioned fiber width, because
This increases for dry plate type with the contact area of the dirt such as dust, fat, and the dirt carried out by using absorption catches, dirty
Stripping of dirty epithelium etc., played more excellent wiping properties compared with former cleaning wiping cloth.Further, since the cleaning wiping cloth of the present invention
Fibre composite fibre is cut comprising cellulose acetate and/or cellulose and acrylic polymer, therefore utilizes cellulose-based fibre
The hydrophily of dimension, even humidity strip type can also play excellent wiping properties.The cleaning wiping cloth of the present invention not only has excellent wiping
Performance is wiped, and due to not needing special technology, process in the making of non-woven fabrics, therefore with having used former superfine fibre
The cleaning wiping cloth of dimension is compared, and can more inexpensively be obtained.
Embodiment
Below, the present invention is specifically described by embodiment.In addition, the measure of projects in embodiment is according to such as
Under method.
(assay method of flat ratio)
The fibre composite fibre that cuts of about 200 is fitted into internal diameter 1mm polyethylene pipe, the heat of drying machine is advertised afterwards
Wind, the degree not fallen off with cutting the beam of fibre composite fibre shrinks polyethylene pipe.Here, above-mentioned polyethylene pipe is using only along circle
The pipe that circumferential direction is shunk.
Then, will be filled with cutting using the blade of untapped razor the above-mentioned polyethylene pipe of fibre composite fibre along with
Direction of principal axis generally perpendicular direction is cut off, and about 1cm length is made.
The one side in the face of above-mentioned cut-out is fixed on platform using double faced adhesive tape, low-temperature ion sputter equipment (Japan's electricity is used
Sub- Co. Ltd. system, JFC-1100), in 1200V-5mA, under conditions of 10 minutes, to being used as the another side positioned at section
The section gold evaporation for cutting fibre composite fibre of sightingpiston, makes sample.
It is above-mentioned with 500 times of observations of multiplying power using SEM (Hitachi Co., Ltd's system, S-3500N)
The fibre section for cutting fibre composite fibre of sample, selection 25 has been eradicated due to external force produces flat pattern when loading pipe
Cut fibre composite fibre beyond the fiber of bending, using length most long in fibre section as Breadth Maximum, will with it is above-mentioned most
Length most long determines Breadth Maximum and maximum gauge respectively as maximum gauge on the vertical thickness direction of big width,
It regard Breadth Maximum/maximum gauge as flat ratio.The flat ratio of 25 fibre sections for cutting fibre composite fibre is calculated, this is used
The average value of flat ratio.
(measure of filament denier)
It will cut after fibre composite fibre stands 60 minutes in the environment of 25 DEG C of temperature, the humidity 65%, and use automatic vibration
Formula fineness tester (Search controls Electric Co., Ltd system, Denior Computer DC-11), in 25 DEG C of temperature, humidity
Determined under conditions of 65%.Fibre composite fibre is cut to 25 to be measured, and uses its average value.
(the island portion number of per unit fiber number)
Prepare sample using the method same with the assay method of above-mentioned flat ratio.Fibre composite fibre is cut to 3, with again
500 times of rate observes its fibre section, counts the island portion number in fibre section, and the island portion number divided by filament denier are asked
Go out.Fibre composite fibre is cut to 3 and carries out the measure, uses its average value.
(cutting fibre evaluation)
Non-woven fabrics obtained by each embodiment is cut to 5mm × 5mm size, is fixed on using double faced adhesive tape on platform, is used
Jeol Ltd. JFC-1100 (low-temperature ion sputter equipment), in 1200V-5mA, under conditions of 10 minutes, to sight
The nonwoven surface gold evaporation of side is examined, sample is made.Pass through SEM (Hitachi Co., Ltd's system, S-
3500N) observed with 100 times of multiplying power.5 local surfaces are observed, fibre is cut and judges according to following benchmark.
○：As shown in Fig. 1 D portions, with not retain the part that the degree of fiber prototype cut fibre, 5 samples
The situation that middle at least one is confirmed
×：As shown in Fig. 1 E portions, without with do not retain the degree of fiber prototype cut fibre part and almost
Prototype, the situation that 5 samples are all confirmed has been fully retained
(fiber width (Breadth Maximum and minimum widith) for having carried out the fiber for cutting fibre)
By evaluating same method preparation sample with the above-mentioned fibre that cuts.Using SEM with 100 times of multiplying power
Fine portion is cut in the made non-woven fabrics of observation, selection.This is observed with 1500 times and cuts fine portion, and selection has carried out cutting most thick in fine fiber
Fiber and most thin fiber, the photo of 8000 times of amplification is shot to selected fiber, the width of the fiber is determined.Here, institute
Meaning fiber width refers to the length of the width at a right angle with the length direction of fiber.
The cut fine portion local to 10 carries out the measure, uses its average value.
(wiping)
By Sakura CRAY-PAS company systems, the stoste of the special watercolors (blueness) of horse and water with mass ratio 1：1 mixing and
Into water-based soils drunk up with pasteur pipet, the amount of 1 drop is attached to away from width 25mm, length with pasteur pipet
75mm, thickness 1mm, quality (W0) g slide more than one end 10mm inner side, determine the total of slide and water-based soils
Quality (W1)g.The size that water-based soils on slide are diameter about 10mm.It is being cut to 2cm × 2cm nonwoven immediately afterwards
Cloth loads 200g load on the whole, make above-mentioned non-woven fabrics while according to by way of water-based soils surface with 1m/min speed
Degree is conveyed on slide, side polished dirt.Then, the quality (W of the slide after wiping is determined2)g.By being calculated with following formula
Go out the mass ratio of the water-based soils of wiping, wiping is obtained by the value of gained.
Mass ratio (%)=[1- (W of the water-based soils of wiping2-W0)/(W1-W0)]×100
On wiping evaluation, the mass ratio (%) of the dirt of wiping is judged according to following benchmark.
5 grades：More than 99%, 4 grades：98% less than 99%, 3 grades：97% less than 98%, 2 grades：96% with
It is upper and less than 97%, 1 grade：Less than 96%
(confirmation method of intermiscibility)
Cause solid component concentration to be 20 mass % in dimethyl acetamide acrylic mixed with polymers, be heated to 80
DEG C and dissolve, make 200cc solution.In addition, another composition is mixed in into dimethyl acetamide so that solid component concentration is 20
Quality %, is heated to 80 DEG C and dissolves, and makes 200cc solution.Above-mentioned 2 kinds of solution is put into 1 container together, at 25 DEG C
Atmosphere under, using Three-One Motor (iuchi Co. Ltd. systems, SCR-100) with revolution 600rpm stir 30 minutes,
Mixed solution is made.Above-mentioned mixed solution about 5g is placed on slide, seen using light microscope with 200 times of multiplying power
Examine.If immiscible, interface is able to observe that.
(embodiment 1)
As composition A, in the way of acrylonitrile unit and vinyl acetate unit are the proportion of composing shown in table 1, lead to
Known water system suspension polymerization is crossed, acrylic polymer (composition A1) is obtained.Mentioned component A1 is mixed in dimethyl second
In acid amides (solvent C) so that composition A1 quality ratio is 24 mass %, and being heated to 80 DEG C of temperature makes composition A1 be dissolved in solvent
In C, solution P is obtained.As composition B, the cellulose diacetate (composition B1) of average acetylation degree 55.2% is mixed in diformazan
In yl acetamide (solvent C) so that composition B1 quality ratio is 18 mass %, 80 DEG C are heated to and to be dissolved in composition B1 molten
In agent C, solution Q is obtained.
[table 1]
Mixed solution P and solution Q, so that composition A1 is 70/30 with composition B1 quality ratios, according to composition A1 and composition B1
The mode equably mixed is stirred mixing, modulates mixed solution.By the mixed solution from long edge lengths and bond length
Than be aperture ratio be 10 rectangular squit hole, using spray linear velocity be ejected within 30m/ minutes temperature as 40 DEG C, by dimethyl
In the solidification liquid that the concentration of acetamide is constituted for the 35 mass % aqueous solution, coagulated yarn is made, while washing solidification in boiling water
Solvent in silk is while be stretched to 3 times, addition finish is further dried at 150 DEG C and implements heat treatment without tension, obtains cutting fibre
Composite fibre.By the fibre length that fibre composite fibre is cut to 40mm of cutting of gained.
Gained cuts fibre composite fibre, as shown in table 2, and it is that 3.3dtex, fibre section are flat to form filament denier
The flat pattern of rate 7, forms the composite junction that acrylic polymer is extra large portion on fibre section, cellulose diacetate is island portion
Structure, as shown in table 3, fibre is cut with excellent.
The fibre composite fibre that cuts that 40mm fibre length will be cut to is combed by carding and obtains net.With 20m/ minutes
Convey the net and be placed on screen cloth.Hydraulic pressure 10MPa high pressure is sprayed to the net of conveying from a diameter of 150 μm of ejiction opening of ejiction opening
Column current, high-voltage column-like water stream is sprayed to net.Distance from above-mentioned ejiction opening to net is set to 30mm.Pass through high-voltage column-like water stream
The fibre composite fibre that cuts in net is carried out cutting fine while the entanglement of fibre composite fibre will be cut.Afterwards, dried 3 minutes at 110 DEG C
And obtain the non-woven fabrics that mesh pays 50g/m2.
The non-woven fabrics have cut fibre composite fibre cut superfine fibre that is fine and making acrylic polymer body with
What the superfine fibre of cellulose diacetate main body was mixed cuts fine portion, as shown in table 2, cuts the fiber of fibre and has by fiber width
Breadth Maximum be 3.8 μm, superfine fibre that minimum widith is 0.02 μm is constituted cuts fine portion, in addition, as shown in table 3, the nothing
Spinning cloth has extremely excellent wiping.
(embodiment 2)
Change the acrylic polymer (composition A1) and cellulose diacetate (composition in mixed solution in embodiment 1
B1 quality ratio), by the acrylic polymer (composition A1) cut in fibre composite fibre and cellulose diacetate (composition
B1 quality ratio) is changed to shown in table 1, in addition, operate similarly to Example 1, making cut fibre composite fibre and
Non-woven fabrics.Character of fibre composite fibre, non-woven fabrics etc. is cut as shown in table 2 and table 3.
(embodiment 3)
Except the PVP (Nippon Shokubai Co., Ltd's system, the PVPK- that are changed to composition B shown in table 1
78) beyond, operate similarly to Example 1, fibre composite fibre and non-woven fabrics are cut in making.Cut fibre composite fibre, non-woven fabrics
Character etc. as shown in table 2 and table 3.
(embodiment 4)
In addition to the polyvinyl chloride (Mitsubishi chemical Co., Ltd's system, SG-1100) that composition B is changed to shown in table 1, with
Embodiment 1 is similarly operated, and fibre composite fibre and non-woven fabrics are cut in making.Cut character of fibre composite fibre, non-woven fabrics etc. as
Shown in table 2 and table 3.
(embodiment 5~7)
In addition to being changed to the containing ratio for cutting fibre composite fibre in non-woven fabrics shown in table 3, similarly to Example 1
Ground is operated, and fibre composite fibre and non-woven fabrics are cut in making.Cut such as table 2 and the institute of table 3 such as character of fibre composite fibre, non-woven fabrics
Show.
On in non-woven fabrics except the present invention cut fibre composite fibre in addition to fiber, use filament denier
1.0dtex, fibre length 40mm acrylic fiber.
(embodiment 8)
The ejections hole shape of spinning spinneret during except change spinning and the flat ratio that obtains fibre section is 13 to cut
Beyond fibre composite fibre, operate similarly to Example 1, fibre composite fibre and non-woven fabrics are cut in making.By spinning during spinning
The silk ejection hole shape of spinneret, the flat ratio of the fibre section for cutting fibre composite fibre of gained, cut fibre and non-woven fabrics
The Breadth Maximum for cutting the fiber for having carried out cutting fibre in fine portion be shown in minimum widith and wiping in table 2 and table 3.
(comparative example 1~3)
Except by the quality of the acrylic polymer of the composition A1 in mixed solution and composition B1 cellulose diacetate
Beyond ratio, the ejection hole shape of spinning spinneret are changed to shown in table 2, operate similarly to Example 1, make composite fibre
And non-woven fabrics.On the composite fibre of the gained of comparative example 1~3, its fibre section does not all form flat.By the institute of comparative example 1~3
Composite fibre cut fibre and wiping is shown in Table 3, the composite fibre of gained does not all cut fibre.
(comparative example 4)
Except the quality ratio of the acrylic polymer of the composition A in fiber and composition B cellulose diacetate is become
Beyond more shown in table 1, operate similarly to Example 1, make acrylic fibers peacekeeping non-woven fabrics.By the acrylic fiber of gained
Cut fibre and wiping is shown in Table 2, but gained acrylic fiber all do not cut fibre.
[table 2]
[table 3]
Industrial applicibility
The present invention's cuts fibre composite fibre, provided by the water jet, high-voltage column-like water that fibre matting processing is used
The weak external force of flow degree cut fibre, and cuts that the fiber after fibre is superfine, so that excellent wiping is played when non-woven fabrics is made, because
This is as cloth-like and has the raw material of the excellent non-woven fabrics of volume sense, wiping useful, and non-woven fabrics of the invention is used as cloth in addition
The shape and excellent cleaning wiping cloth of wiping is useful.
In addition, the present invention cut fibre composite fibre without using special spinning process, but by with common propylene
The wet-spinning that the manufacture method of sour series fiber is same is manufactured, and cuts fibre also by the utilization high-pressure column used in the manufacture of non-woven fabrics
The entanglement processing procedures of shape current is carried out, therefore is cut fibre composite fibre, non-woven fabrics and then cleaning wiping cloth and can inexpensively be obtained
.
Claims (16)
1. one kind cuts fibre composite fibre, it is the composition A comprising below the mass % of more than 60 mass % 90, more than 10 mass %
Below 40 mass % composition B fiber, composition A and composition B are immiscible, and composition A or composition B are by acrylic polymer
The composition of composition, the fibre section vertical with fiber axis is shaped as flat pattern of the flat ratio below more than 3 20, flat pattern
Maximum gauge be less than more than 1 μm 10 μm, and there is composition A is extra large portion, composition B is island portion composite construction.
2. according to claim 1 cut fibre composite fibre, its for comprising below the mass % of more than 60 mass % 90 into
Divide A, below the mass % of more than 10 mass % 40 composition B fiber, composition A and composition B are immiscible, composition A is by acrylonitrile
Composition that based polymer is constituted, the fibre section vertical with fiber axis is shaped as flat pattern of the flat ratio below more than 3 20,
And with the composite construction that composition A is extra large portion, composition B is island portion.
3. according to claim 1 cut fibre composite fibre, relative to the composition being made up of acrylic polymer not phase
Molten composition be from cellulose acetate, PVP, polyvinyl chloride and Dichlorodiphenyl Acetate cellulose carry out alkali process and
Into cellulose group at least one composition for selecting.
4. according to claim 1 cut fibre composite fibre, in the fibre section vertical with the fiber axis of single fiber, often
The island portion number of unit fiber number is 60/more than dtex, 200/below dtex.
5. according to claim 1 cut fibre composite fibre, filament denier is more than 1dtex below 20dtex.
6. according to claim 1 cut fibre composite fibre, single fiber elongation is less than more than 10% 50%.
7. a kind of manufacture method for cutting fibre composite fibre, institute in solvent C is dissolved in using the composition A as acrylic polymer
The solution and the composition B immiscible with composition A obtained is dissolved in the solution of gained in solvent C with composition A and composition B quality ratio
Mixed solution is made for 90/10~60/40 mixing in A/B, and the mixed solution is shaped as from the squit hole of spinning spinneret
The aperture ratio of rectangle and the rectangular long edge lengths and the ratio between bond length is that long edge lengths/bond length is more than 3
Less than 20 squit hole is ejected into the aqueous solution comprising solvent C so that cut the fibre vertical with fiber axis of fibre composite fibre
Dimension section is shaped as flat pattern of the flat ratio below more than 3 20, the maximum gauge of flat pattern for more than 1 μm 10 μm with
Under.
8. a kind of manufacture method for cutting fibre composite fibre, institute in solvent C is dissolved in using the composition B as acrylic polymer
The solution and the composition A immiscible with composition B obtained is dissolved in the solution of gained in solvent C with composition A and composition B quality ratio
Mixed solution is made for 90/10~60/40 mixing in A/B, and the mixed solution is shaped as from the squit hole of spinning spinneret
The aperture ratio of rectangle and the rectangular long edge lengths and the ratio between bond length is that long edge lengths/bond length is more than 3
Less than 20 squit hole is ejected into the aqueous solution comprising solvent C so that cut the fibre vertical with fiber axis of fibre composite fibre
Dimension section is shaped as flat pattern of the flat ratio below more than 3 20, the maximum gauge of flat pattern for more than 1 μm 10 μm with
Under.
9. the manufacture method for cutting fibre composite fibre according to claim 7 or claim 8, the mixed solution
Solid component concentration is below the mass % of more than 15 mass % 30, and the concentration of the solvent C in the aqueous solution comprising solvent C is
Below the mass % of more than 20 mass % 60, temperature is less than more than 20 DEG C 60 DEG C.
10. the manufacture method for cutting fibre composite fibre according to claim 7 or claim 8, poly- with acrylic
The immiscible composition of compound is at least one selected from the group of cellulose acetate, PVP and polyvinyl chloride
Plant composition.
11. a kind of non-woven fabrics, it is containing the non-woven fabrics for cutting fibre composite fibre described in claim 1, with being cut to described
What fibre composite fibre cut fibre cuts fine portion, described to cut fine portion there is fiber width to be less than more than 0.01 μm 1 μm
Part.
12. non-woven fabrics according to claim 11, the fibre length for cutting fibre composite fibre is more than 30mm 150mm
Hereinafter, the containing ratio for cutting fibre composite fibre is below the mass % of more than 20 mass % 100.
13. non-woven fabrics according to claim 11, has in 5mm × 5mm of nonwoven surface any range and cuts fibre
Portion.
14. a kind of manufacture method of non-woven fabrics, it is the manufacture method of the non-woven fabrics described in claim 11, is wanted to comprising right
The high pressure columnar fluid for asking the net injection for cutting fibre composite fibre described in 1 to be sprayed from ejiction opening, enters to cutting fibre composite fibre
Row cuts fine processing, and the pressure of the high pressure columnar fluid is more than 5MPa below 30MPa, from the ejection of the high pressure columnar fluid
The distance of mouth to net surface is more than 10mm below 100mm.
15. the manufacture method of non-woven fabrics according to claim 14, spray the high pressure columnar fluid ejiction opening it is straight
Footpath is less than more than 80 μm 200 μm, and the transporting velocity for cut the net for cutting fine processing of fibre composite fibre is more than 5m/ minutes
200m/ minutes following.
16. a kind of cleaning wiping cloth of the non-woven fabrics comprising described in claim 11.
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| JP7079605B2 (en) * | 2018-01-04 | 2022-06-02 | 日本製紙クレシア株式会社 | Non-woven wiper and its manufacturing method, manufacturing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3124840B2 (en) * | 1992-08-27 | 2001-01-15 | 旭化成工業株式会社 | Flat acrylic synthetic fiber and method for producing the same |
| JPH0995822A (en) * | 1995-09-28 | 1997-04-08 | Mitsubishi Rayon Co Ltd | Production of readily splittable acrylic conjugate fiber |
| US5861213A (en) * | 1995-10-18 | 1999-01-19 | Kuraray Co., Ltd. | Fibrillatable fiber of a sea-islands structure |
| JPH09302525A (en) * | 1996-05-15 | 1997-11-25 | Kuraray Co Ltd | Readily fibrillating fiber and its production |
| JP3537601B2 (en) * | 1996-08-05 | 2004-06-14 | 株式会社クラレ | Non-woven |
| JPH10251951A (en) * | 1997-03-12 | 1998-09-22 | Kuraray Co Ltd | Acoustic absorption sheet using polyvinyl alcohol-based fibrillated fiber |
| JP3847923B2 (en) * | 1997-10-30 | 2006-11-22 | 三菱レイヨン株式会社 | Fine particle-containing phase separation fiber and method for producing the same |
| JP3851192B2 (en) * | 2001-07-11 | 2006-11-29 | 三菱レイヨン株式会社 | Method for producing acrylic composite fiber |
| JP2004115946A (en) * | 2002-09-25 | 2004-04-15 | Asahi Kasei Fibers Corp | Splittable acrylic fiber and nonwoven fabric using the same |
| JP5283823B2 (en) * | 2006-01-05 | 2013-09-04 | 三菱レイヨン株式会社 | A fiber in which an acrylonitrile-based polymer and a cellulose-based polymer are uniformly mixed, a nonwoven fabric containing the same, and a method for producing a fiber in which an acrylonitrile-based polymer and a cellulose-based polymer are uniformly mixed. |
| JP2008050722A (en) * | 2006-08-25 | 2008-03-06 | Teijin Fibers Ltd | Plush cloth and car seat member |
| JP2008081883A (en) * | 2006-09-27 | 2008-04-10 | Toray Ind Inc | Lightweight acrylic fiber and method for producing the same |
| JP4943368B2 (en) * | 2008-04-08 | 2012-05-30 | 三菱レイヨン株式会社 | Process for producing easily splittable acrylic composite fiber |
| EP2243870B1 (en) * | 2008-07-16 | 2012-10-10 | Japan Exlan Co., Ltd. | An antistatic acrylic fiber and a method for manufacturing the same |
| WO2011122657A1 (en) * | 2010-03-30 | 2011-10-06 | ダイワボウホールディングス株式会社 | Polyolefin-based split-type conjugate fibre, fibrous mass and cell separator using same, and production method for same |
| JP5362805B2 (en) * | 2011-11-28 | 2013-12-11 | 三菱レイヨン株式会社 | A nonwoven fabric containing fibers in which an acrylonitrile polymer and a cellulose polymer are uniformly mixed. |
-
2014
- 2014-07-29 JP JP2014153479A patent/JP6417767B2/en not_active Expired - Fee Related
- 2014-08-04 TW TW103126519A patent/TWI628325B/en not_active IP Right Cessation
- 2014-08-04 CN CN201410379878.0A patent/CN104342780B/en active Active
- 2014-08-04 KR KR1020140099682A patent/KR101626205B1/en active IP Right Grant
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2016
- 2016-03-30 KR KR1020160038167A patent/KR101723335B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| KR101723335B1 (en) | 2017-04-04 |
| TWI628325B (en) | 2018-07-01 |
| KR20150016905A (en) | 2015-02-13 |
| KR101626205B1 (en) | 2016-05-31 |
| TW201522731A (en) | 2015-06-16 |
| KR20160040499A (en) | 2016-04-14 |
| JP2015052196A (en) | 2015-03-19 |
| JP6417767B2 (en) | 2018-11-07 |
| CN104342780A (en) | 2015-02-11 |
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