CN102146590B - Elastomer-containing composite fiber, preparation method thereof, substrate containing composite fiber and preparation method thereof - Google Patents
Elastomer-containing composite fiber, preparation method thereof, substrate containing composite fiber and preparation method thereof Download PDFInfo
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Abstract
The invention relates to an elastomer-containing composite fiber, a preparation method thereof, a substrate containing the composite fiber and a preparation method thereof. The composite fiber comprises a first component and a second component, wherein the first component is a thermoplastic inelastic body; the second component is a thermoplastic elastic body; the second component accounts for 5-70 percent of the total weight of the composite fiber; in the circumference of the cross section of the composite fiber, the first component and the second component are distributed alternatively; and the length of the second component accounts for less than 50 percent of the total length of the circumference. Therefore, the thermoplastic elastic body can be dispersed uniformly, inter-fiber adhesion is increased, and the influence of excessive adhesion in the production processes of the fiber and a non-woven fabric substrate on the processing of the thermoplastic elastic body can be prevented, so that the composite fiber has excellent hand feeling and physical performance after being further processed into the non-woven fabric substrate or artificial leather.
Description
Technical field
The base material and the manufacture method thereof that the present invention relates to the manufacture method of composite fibre and comprise this composite fibre, the base material and the manufacture method thereof that particularly contain elastomeric composite fibre and manufacture method thereof and comprise this composite fibre.
Background technology
Artificial leather is made via following method usually: using elastic polymer solution or latax (mainly is polyurethanes (Polyurethane, PU)) doping/impregnation non-woven fabrics fabric (comprising by the non-elastic polymer fiber formed of nylon or polyester for example) solidifies this elastomeric polymer via wet method or dry method afterwards.According to the method, will be solidified into sponge or bulk form through the non-woven fabrics fabric that this elastomeric polymer mixes and a kind of structure that forms, wherein through this elastomeric polymer covering of curing and around fibre bundle.
Natural leather has careful and the structure that lower floor is coarse in matrix upper strata, but need the height control technology in the PU of the artificial leather impregnation stage, though and the base material of impregnation PU is all good aspect texture and durability, but owing to casting resin between the fiber forms closely knit structure, so aeration is not good, and be difficult to have concurrently the desired performance of lightweight.In addition, use solvent during because of the PU impregnation, the manufacturing step complexity, thereby produce environmental problem again.
Superfine fibre artificial leather major part must be carried out the fine processing of branch by solvent or alkali lye, must realize by solvent or alkali lye because this divides fine processing technology, therefore can cause serious pollution to environment, thereby not meet the trend of current attention environmental protection.
Japanese patent laid-open 4-185777 communique has disclosed the high-density non-woven fabrics base material adhesive resin that first impregnation is lacked than general amount before the PU impregnation and has made artificial leather.Therefore but because concentration can't evenly distribute in the table of impregnation adhesive in nonwoven fabric, prepared artificial leather lacks the soft feeling on surface, interlaminar strength also a little less than, be not enough to as the shoes materials that is used under the stringent condition.
The Japan Patent spy opens clear 54-59499 communique and has disclosed the winding non-woven fabrics base material that the aqueous emulsion impregnation of using adhesive resin is formed by the superfine fibre bundle.Secondly, only blow hot blast to carry out drying in one side, adhesive resin mainly moves at the face that blows hot blast, can suppress the migration toward another side.Yet it because also there is the aqueous emulsion of the adhesive resin of trace in above-mentioned another side, makes the state of cure difference of two faces when pre-antimigration, so can't make the base material for artificial leathers that the superfine fibre that adhered to by position, top layer adhesive-free resin forms.
The TaiWan, China patent disclosure has disclosed for No. 200745408 uses fibrous adhesive and that adhesive distribution is got is comparatively even.It utilizes water insoluble thermoplastic polyvinyl alcohol resin (PVA is resin) as the sea component polymer of fabric of island-in-sea type tangent plane fiber, and it utilizes water-soluble after making nonwoven fabric and thermoplasticity makes polyvinyl alcohol resin be uniformly distributed in nonwoven fabric inside, but because PVA is that resin does not have elasticity and facile hydrolysis, so whole soft feeling is still not good enough, and when using in wet environment, this rerum natura fails easily and can't use.
TaiWan, China letters patent book number has been disclosed a kind of base material No. 134197, its binder fiber by matrix fiber and the flexible polymer of surface configuration constitutes, and it is characterized in that employed binder fiber is to be scattered in this matrix fiber and to soften fiber assembly in matrix fiber.This form of inventing employed binder fiber is mainly core-sheath-type, in the base cloth forming process of fiber, it influences the base cloth quality for preventing from adhering mutually prematurely between the fiber, utilize mould release to be attached to part matrix fiber surface, yet, though lacked the impregnation elastic polymer solution, many these operations, thereby but can't improve effectively aspect production time and the cost.
Therefore, be necessary to provide the base material and the manufacture method thereof that contain elastomeric composite fibre and manufacture method thereof and comprise this composite fibre a kind of innovation and that have progressive, to address the above problem.
Summary of the invention
The invention provides a kind of manufacture method that contains elastomeric composite fibre, comprise: first component and second component (a) are provided, this first component is the thermoplasticity inelastic body, and this second component is thermoplastic elastomer (TPE), and the part by weight of this second component is 5% to 70%; And (b) utilize composite spinneret that this first component and second component are reeled off raw silk from cocoons jointly, to cut apart composite spinning, thereby make many composite fibres, wherein this first component and this second component are alternately distributed in the circumference of the cross section of each root in these composite fibres, and below 50% of the whole length of this this circumference of second ingredients constitute.
The present invention further provides a kind of artificial leather base material, it comprises many above-mentioned composite fibres, and wherein, the crosspoint between the described composite fibre is the softening elasticity binding site that forms of this second component.
The present invention also provides a kind of method of manufacturer's fabricate-leather base material, may further comprise the steps: many above-mentioned composite fibres (a) are provided; (b) form a plurality of fiber webs, described fiber web comprises described composite fibre; (c) pile up described fiber web; (d) described fiber web is carried out acupuncture or water thorn; (e) softening this second component is to combine described composite fibre; And (f) solidify this second component, make that the crosspoint between the described composite fibre is the formed elasticity binding site of this second component.
In the present invention, thermoplastic elastic physical efficiency in this composite fibre evenly disperses and increases between fiber to adhere, and its Splittable fiber section also can prevent this thermoplastic elastomer (TPE) excessive adhesion and influence processing in the production process of fiber and non-woven fabrics base material, therefore after nonwoven fabric hot pressing, can make the surface of cloth careful more smooth, and rerum natura strengthen and DIMENSIONAL STABILITY is higher.In addition, in the fiber miniaturization process of this non-woven fabrics base material, do not need additionally to use solvent, therefore it is that fibre is opened in the environmental protection of no generation of waste materials, and this non-woven fabrics base material has the feel of superfine fibre and near the resilience sense of touch of natural leather, then has the performance of excellent feel and rerum natura after further being processed into artificial leather.
Description of drawings
Fig. 1 shows the cross sectional representation of first embodiment that contains elastomeric composite fibre among the present invention;
Fig. 2 shows the cross sectional representation of second embodiment that contains elastomeric composite fibre among the present invention; And
Fig. 3 shows the cross sectional representation of the 3rd embodiment that contains elastomeric composite fibre among the present invention.
The primary clustering symbol description
First embodiment that contains elastomeric composite fibre among 1 the present invention
Second embodiment that contains elastomeric composite fibre among 2 the present invention
The 3rd embodiment that contains elastomeric composite fibre among 3 the present invention
11 first components
12 second components
21 first components
22 second components
31 first components
32 second components
111 first line segments
121 second line segments
211 first line segments
221 second line segments
311 first line segments
312 middle bodies
313 first peripheries
321 second line segments
The specific embodiment
The present invention utilizes first component (thermoplasticity inelastic body) and second component (thermoplastic elastomer (TPE) (TPE)) to carry out Splittable superfine fibre composite spinning, to make composite fibre, again this composite fibre further is processed into artificial leather base material and artificial leather.The characteristics of this composite fibre are that the ratio that this first component (thermoplasticity inelastic body) accounts for this composite fibre gross weight is 30% to 95%, are preferably 40% to 60%; The ratio that this second component (thermoplastic elastomer (TPE)) accounts for this composite fibre gross weight is 5% to 70%, the distribution right and wrong of this second component (thermoplastic elastomer (TPE)) on the circumference of this composite fibre cross section are successional, and be alternately with this first component (thermoplasticity inelastic body) and distribute, and this second component (thermoplastic elastomer (TPE)) accounts for below 50% of whole length of the circumference of this composite fibre cross section.
The advantage of this composite fibre is, because this second component (thermoplastic elastomer (TPE)) minimizing that this composite fibre periphery appears, so it does not need to handle through mould release again.In addition, this composite fibre is after thermal softening or solution impregnation are softening, because this second component (thermoplastic elastomer (TPE)) separates by this first component (thermoplasticity inelastic body), this second component (thermoplastic elastomer (TPE)) can't over-bonded and is produced the rubber sense, and, after softening the flowing, this first component (thermoplasticity inelastic body) can reach the effect of miniaturization fiber.
With reference to figure 1, it shows the cross sectional representation that contains first embodiment of elastomeric composite fibre among the present invention.This composite fibre 1 comprises first component 11 and second component 12.This first component 11 is the thermoplasticity inelastic body, and this second component 12 is thermoplastic elastomer (TPE).This first component 11 is revealed in the outer peripheral face of this composite fibre 1, and forms a plurality of first line segments 111 in the circumference of the cross section of this composite fibre 1.This second component 12 is revealed in the outer peripheral face of this composite fibre 1, and forms a plurality of second line segments 121 in the circumference of the cross section of this composite fibre 1.These first line segments 111 and these second line segments 121 forms the circumference of the cross section of these composite fibres 1, and these first line segments 111 and these second line segments 121 are alternately distributed.The total length of these second line segments 121 accounts for below 50% of whole length of circumference of the cross section of this composite fibre.
In the present embodiment, this first component 11 comprises a plurality of first vertical bar shape external forms, and its two ends are all described first line segment 111, and this second component 12 comprises a plurality of second vertical bar shape external forms, and its two ends are all described second line segment 121.
With reference to figure 2, it shows the cross sectional representation that contains second embodiment of elastomeric composite fibre among the present invention.This composite fibre 2 comprises first component 21 and second component 22.This first component 21 is the thermoplasticity inelastic body, and this second component 22 is thermoplastic elastomer (TPE).This first component 21 is revealed in the outer peripheral face of this composite fibre 2, and forms a plurality of first line segments 211 in the circumference of the cross section of this composite fibre 2.This second component 22 is revealed in the outer peripheral face of this composite fibre 2, and forms a plurality of second line segments 221 in the circumference of the cross section of this composite fibre 2.In the present embodiment, this first component 21 comprises that a plurality of first is fan-shaped, and its arc limit is described first line segment 211; This second component 22 comprises that a plurality of second is fan-shaped, and its arc limit is described second line segment 221.
With reference to figure 3, it shows the cross sectional representation that contains the 3rd embodiment of elastomeric composite fibre among the present invention.This composite fibre 3 comprises first component 31 and second component 32.This first component 31 is the thermoplasticity inelastic body, and this second component 32 is thermoplastic elastomer (TPE).This first component 31 is revealed in the outer peripheral face of this composite fibre 3, and forms a plurality of first line segments 311 in the circumference of the cross section of this composite fibre 3.This second component 32 is revealed in the outer peripheral face of this composite fibre 3, and forms a plurality of second line segments 321 in the circumference of the cross section of this composite fibre 3.In the present embodiment, this first component 31 comprises a middle body 312 and a plurality of first periphery 313, and these first peripheries 313 are stretched out by this middle body 312, and its outer end is described first line segment 311; This second component 32 comprises a plurality of second peripheries, and each second periphery is between two first peripheries 313, and an end of these second peripheries connects this middle body 312, and the other end is described second line segment 321.
The manufacture method that contains elastomeric composite fibre of the present invention may further comprise the steps: first component and second component (a) are provided, this first component is the thermoplasticity inelastic body, this second component is thermoplastic elastomer (TPE), and the part by weight of this second component is 5% to 70%; And (b) utilize composite spinneret that this first component and second component are reeled off raw silk from cocoons jointly, to cut apart composite spinning, thereby make many composite fibres, wherein this first component and this second component are alternately distributed in the circumference of the cross section of each root in these composite fibres, and below 50% of the whole length of this this circumference of second ingredients constitute.
The material of this first component can be polyester polymer, polyamide polymers or polyolefin polymers among the present invention.This polyester polymer is polyethylene terephthalate (PET), polybutylene terephthalate (PBT) (PBT), polytrimethylene terephthalate (PTT), their modifier or copolymer.This polyamide polymers is polyamide 6 (PA6), polyamide 66 (PA66), polyamide 12 (PA12), their upgrading thing or copolymer.This polyolefin polymers is polyethylene (PE), polypropylene (PP), their modifier or copolymer.In addition, also can add functional aids such as dyestuff, carbon black, plasticizer, stabilizing agent according to demand.
Among the present invention the material of this second component can be thermoplastic styrene elastomer block copolymer, thermoplastic polyester elastomer (TPEE), thermoplastic polyolefin elastomer (TPO), sulfuration thermoplastic polyolefin elastomer (Thermoplastic Vulcanizate, TPV) or thermoplastic polyamide elastomer (TPA).This thermoplastic styrene elastomer block copolymer is s-B-S thermoplastic elastomer (TPE) (SBS), styrene-ethylene/butylene-styrene thermoplastic elastomer (TPE) (SEBS), styrene-ethylene/propylene-styrene thermoplastic elastomer (TPE) (SEPS), styrene-isoprene-phenylethene thermoplastic elastomer (TPE) (SIS) or their mixture.This thermoplastic polyolefin elastomer (TPO) is thermoplastic ethylene-propylene-based block copolymer elastomer (TEP).In addition, also can add dyestuff, carbon black, antitack agent, stabilizing agent etc. according to demand.
In addition, the present invention relates to a kind of artificial leather base material, it comprises many composite fibres (being above-mentioned composite fibre), each root composite fibre comprises first component (being the first above-mentioned component) and second component (being the second above-mentioned component), this first component is the thermoplasticity inelastic body, this second component is thermoplastic elastomer (TPE), the ratio of this this composite fibre gross weight of second ingredients constitute is 5% to 70%, this first component and this second component are alternately distributed in the circumference of the cross section of this composite fibre, and below 50% of the whole length of this this circumference of second ingredients constitute, wherein, the crosspoint between the described composite fibre is the softening elasticity binding site that forms of this second component.
The material of this first component is selected from polyester polymer, polyamide polymers and polyolefin polymers, and the material of this second component is selected from thermoplastic styrene elastomer block copolymer, thermoplastic polyester elastomer (TPEE), thermoplastic polyolefin elastomer (TPO), sulfuration thermoplastic polyolefin elastomer (TPV) and thermoplastic polyamide elastomer (TPA).
Preferably, this base material also comprises many blended fiber, and it is the thermoplasticity inelastic body, and its material is selected from polyester polymer, polyamide polymers and polyolefin polymers.The ratio that described composite fibre accounts for this base material gross weight is 5% to 75%.
Described composite fibre forms a plurality of first fiber webs, and described blended fiber forms a plurality of second fiber webs, and described first fiber web and described second fiber web are stacked each other; Perhaps described blended fiber is mixed with described composite fibre, forms a plurality of the 3rd fiber webs again, afterwards these the 3rd fiber webs is stacked up.Crosspoint between described blended fiber and the described composite fibre is the softening elasticity binding site that forms of this second component.
The method of above-mentioned composite fibre being made this base material is as follows: many composite fibres (being above-mentioned composite fibre) (a) are provided, each root composite fibre comprises first component (being the first above-mentioned component) and second component (being the second above-mentioned component), this first component is the thermoplasticity inelastic body, this second component is thermoplastic elastomer (TPE), the ratio of this this composite fibre gross weight of second ingredients constitute is 5% to 70%, this first component and this second component are alternately distributed in the circumference of the cross section of this composite fibre, and below 50% of the whole length of this this circumference of second ingredients constitute; (b) form a plurality of fiber webs, described fiber web comprises described composite fibre; (c) pile up described fiber web; (d) described fiber web is carried out acupuncture or water thorn; (e) utilize heating or solution impregnation with softening this second component, so that described composite fibre is combined; And (f) by removing heat or solution to solidify this second component, make that the crosspoint between the described composite fibre is the formed elasticity binding site of this second component.
If these composite fibres are only arranged, then this step (b) forms a plurality of first fiber webs with described composite fibre, and this step (c) is piled up described first fiber web, and this step (d) is carried out acupuncture or water thorn to described first fiber web.
If this step (a) also comprises the step that many blended fiber are provided, described blended fiber is the thermoplasticity inelastic body, and the ratio that described composite fibre accounts for gross weight is 5% to 75%, and then Zhi Hou step has following two kinds of possible situations.
First kind of possible situation: this step (b) forms a plurality of first fiber webs with described composite fibre, and described blended fiber is formed a plurality of second fiber webs, this step (c) is stacked up described first fiber web and described second fiber web, this step (d) is carried out acupuncture or water thorn to described first fiber web and described second fiber web, this step (e) is softened this second component, so that described composite fibre and described blended fiber combine, this step (f) is solidified this second component, makes that the crosspoint between described blended fiber and the described composite fibre is the softening elasticity binding site that forms of this second component.
Second kind of possible situation: this step (b) is with described composite fibre and the mixing of described blended fiber and form a plurality of the 3rd fiber webs, this step (c) is stacked up described the 3rd fiber web, this step (d) is carried out acupuncture or water thorn to described the 3rd fiber web, this step (e) is softened this second component, so that described composite fibre and described blended fiber combine, this step (f) is solidified this second component, makes that the crosspoint between described blended fiber and the described composite fibre is the softening elasticity binding site that forms of this second component.
Below with an embodiment manufacture method of this non-woven fabrics base material is described.At first, can become net, the molten method of blowing to become net, combing method to become net, wet-laying or air lay that described composite fibre is made into a plurality of fiber webs by spun-bond process, wherein the back three can make the not extension silk at about 3 to about 30 dawn in advance, then this is not extended that silk extends, typing, fold, oils, dries and cut PROCESS FOR TREATMENT such as cotton, making fineness is that 1 dawn at dawn to 10, length are 2 centimetres to 10 centimetres the compound short fiber cotton (staplefiber) with fold.Then, make fiber web after this compound short fiber cotton can being mixed according to 5%～100% weight rate and other short fiber are cotton.Afterwards, multi-layered web is piled up, wherein the fibroreticulate fibre composition of different layers all can be different with ratio again.Carrying out acupuncture (or water thorn) at last makes between the fiber and to produce that to tangle to make basic weight be 100g/m
2To 1000g/m
2Nonwoven fabric, again this nonwoven fabric is carried out 80 ℃～200 ℃ hot pressing arrangement and this nonwoven surface is plated, namely can be used as the non-woven fabrics base material of artificial leather.
Be mixed and made into the short fiber cotton of nonwoven fabric or short fiber cotton or the long fiber that long fiber can comprise more than one with this composite fibre, this short fiber cotton or long fiber can be the short fiber cotton of the single component of polyester polymer, polyamide polymers, polyolefin polymers, or compound short fiber cotton or the composite long fiber of composition more than two kinds.
In addition, the present invention relates to a kind of artificial leather, it comprises base material (being above-mentioned base material) and elasticity epithelium.This base material is non-woven fabrics base material.This elasticity epithelium is positioned on the surface of this base material, and the material of this elasticity epithelium is elastomeric polymer or latex.
This artificial leather making method includes but not limited to following three kinds.
First method: elastic polymer solution or latax are directly evenly coated on the release liners, thereby afterwards this elastic polymer solution or latax oven dry are removed solvent formation elasticity epithelium.Above-mentioned coating can repeat to form the multilayer elastic epithelium according to different functions or thickness demand with baking step.After evenly being coated with the elastomeric polymer solid on the surface of this elasticity epithelium, above-mentioned non-woven fabrics base material applying is also dried at last, this elasticity epithelium and this non-woven fabrics base material can fully be followed, this release liners is peeled off namely obtained artificial leather after cooling.
Second method: directly evenly coat elastic polymer solution or latax on this non-woven fabrics base material, carrying out solvent removal afterwards solidifies this elastomeric polymer, wash successively again and remove solvent and with behind the moisture drying, the elastomeric polymer after solidify this moment forms the elasticity epithelium.Then, according to different demands grind (grinding this elasticity epithelium), the Surface Machining such as (this non-woven fabrics base material and this elasticity epithelium are fitted on another PU) of fitting handles and namely obtains artificial leather.
The third method: this non-woven fabrics base material is carried out impregnation in elastic polymer solution or latax, make this elastic polymer solution or latax penetrate into this non-woven fabrics base material inside.After the roller extruding, make the uptake of this elastic polymer solution or latax can maintain required ratio, slightly oven dry is coated with this elastic polymer solution or latax after removing solvent more from the teeth outwards, carry out afterwards after solvent removal solidifies this elastomeric polymer, wash successively again and remove solvent and with behind the moisture drying, the elastomeric polymer after solidify this moment forms the elasticity epithelium.Then, according to different demands grind (grinding this elasticity epithelium), the Surface Machining such as (this non-woven fabrics base material and this elasticity epithelium are fitted on another PU) of fitting handles and namely obtains artificial leather.
The material of above-mentioned elastomeric polymer can be polyvinyl chloride, polyamide, polyester, polyester-ether copolymer, acrylate copolymer, polyurethanes, neoprene, Styrene-Butadiene, silicones, polyamino acid, polyamino acid-synthetic resin or natural polymer resin or their mixtures etc. such as polyurethane ester copolymer.In addition, also can add pigment, dyestuff, crosslinking agent, filler, plasticizer, stabilizing agent etc. according to demand.
Advantage of the present invention is as follows.Thermoplastic elastic physical efficiency in this composite fibre evenly disperses and increases between fiber to adhere, and its Splittable fiber section also can prevent this thermoplastic elastomer (TPE) excessive adhesion and influence processing in the production process of fiber and non-woven fabrics base material, therefore after nonwoven fabric hot pressing, can make the surface of cloth careful more smooth, and rerum natura strengthen and DIMENSIONAL STABILITY is higher.In addition, in the fiber miniaturization process of this non-woven fabrics base material, do not need additionally to use solvent, therefore it is that fibre is opened in the environmental protection of no generation of waste materials, and this non-woven fabrics base material has the feel of superfine fibre and near the resilience sense of touch of natural leather, then has the performance of excellent feel and rerum natura after further being processed into artificial leather.
This thermoplastic elastomer (TPE) is after thermal softening or solution impregnation are softening, because having low flowability, so it can flow and be scattered between the fiber; Therefore when removing heat or solution, the replying state of this thermoplastic elastomer (TPE) is solid-state afterwards, can increase the adhesion strength between the fiber since between the fiber except the entanglement of physical property, more than the adhesion strength that provides of this thermoplastic elastomer (TPE).Except the intensity that can strengthen artificial leather base material and artificial leather, therefore the percentage elongation on vertical and horizontal also can descend, thereby improves the DIMENSIONAL STABILITY of material.And having had this thermoplastic elastomer (TPE), the artificial leather base material that utilizes the method to make is scattered in its inside, except this base material is had the elastic tactility of a little artificial leather, it also can dwindle the puneture that acupuncture or water thorn causes, make the surface more careful smooth, add man-hour through coating again, coating number of times and the consumption of elastic polymer solution or latax can be reduced, manufacturing time and cost can be reduced thus.
In the present invention, this artificial leather base material or artificial leather are in heat treatment or solution process, this thermoplastic elastomer (TPE) is then as the sea component of islands-in-sea type fibre, this thermoplastic elastomer (TPE) will become the shape that can flow, thereby another is not heated or solution influenced fiber dispersion, and described another is not heated or solution influenced fiber miniaturization, but this moment this thermoplastic elastomer (TPE) and need not to remove, but be scattered between the fiber, and the cooling after as the inter-fibre-bond agent, so in whole fiber miniaturization process, there is no any component and be removed, so need not to remove again the post processing of thing, be the fiber micro-gasification process of environmental protection therefore.
Now the present invention is described in detail with the following example, but and do not mean that the present invention only is confined to the content that these embodiment disclose.
Embodiment 1:
(melt mass flow rate is 25g/10min with styrene-ethylene/butylene-styrene thermoplastic elastomer (TPE) (SEBS) particle, section rises polymer share Co., Ltd and makes) (limiting viscosity is 0.94dl/g with polybutylene terephthalate (PBT) (PBT) particle, the manufacturing of Changchun artificial resin factory) carries out 24 as raw material input composite spinning and cut apart composite spinning, wherein the melt temperature of styrene-ethylene/butylene-styrene thermoplastic elastomer (TPE) is set at 270 ℃, the melt temperature of polybutylene terephthalate (PBT) is set at 280 ℃, wherein the compound part by weight of styrene-ethylene/butylene-styrene thermoplastic elastomer (TPE)/polybutylene terephthalate (PBT) is 40/60, speed with 700m/min is carried out spinning coiling, after making the composite fibre of 15 dawn (den), carry out 2.8 times of extensions again, and in addition HEAT SETTING is handled, the compound short fiber cotton of being cut into length 60mm afterwards through gof(f)er machine.The rerum natura of this compound short fiber cotton is: 6 dawn of fineness, 2.1 gram/dawn of fibre strength, percentage elongation 80%.
Again will this compound short fiber cotton and fineness be that the polyester staple fibers cotton at 2 dawn carries out mixed cotton with 30/70 part by weight, make fiber web through carding machine again behind the opener, with this fiber web carry out 5 layers pile up after, nonwoven fabric is namely made in the entanglement that slightly sting successively, smart thorn operation makes fiber produce physical property, and the weight of the unit are of this nonwoven fabric is 220g/m
2This nonwoven fabric makes the processing of surfacingization again through 160 ℃ of hot pressing, at this moment, styrene-ethylene/butylene-styrene i.e. fusion simultaneously is softening, in hot pressing and cooling procedure, makes fiber detaching simultaneously and make to produce local adhesion between the fiber, to make the artificial leather base material.Because this thermoplastic elastomer (TPE) disperses to be adhered between the fiber, makes this artificial leather base material have preferable performance, and when rubbing this artificial leather base material with hand rubbing, it has had the feel of a little artificial leather.
Comparative example 1:
Make fiber web through carding machine again behind the cotton opener of polyester staple fibers that will 100%, under the condition identical with embodiment 1, nonwoven fabric is namely made in the entanglement that slightly sting successively, smart thorn operation makes fiber produce physical property, and the weight of the unit are of this nonwoven fabric is 220g/m
2, this nonwoven fabric makes the processing of surfacingization again through 190 ℃ of hot pressing.
Reference table 1, the rerum natura of the base material of its demonstration comparative example 1 (100% polyester staple fibers) and the base material of embodiment 1 (the compound short fiber of 30%SEBS+70% polyester staple fibers) relatively.As shown in table 1, the base material that has added the compound short fiber cotton of styrene-ethylene/butylene-styrene thermoplastic elastomer (TPE)/polybutylene terephthalate (PBT) all has significant increase in the performance aspect tearing strength, tensile strength, peel strength, the rupture strength, and the decline of percentage elongation is helpful for the dimensionally stable meeting that base material adds man-hour.
Table 1: the rerum natura of the base material of the base material of comparative example 1 (100% polyester staple fibers) and embodiment 1 (the compound short fiber of 30%SEBS+70% polyester staple fibers) relatively, wherein MD is operating direction (MechanicalDirection), and CD is profile direction (Cross Direction)
Embodiment 2:
With thermoplastic polyester elastomer (TPEE) particle (hardness 72D, happy aurification limited company makes) with polyethylene terephthalate (PET) particle (limiting viscosity 0.94dl/g, the manufacturing of Changchun artificial resin factory) carries out 24 as raw material input composite spinning and cut apart composite spinning, wherein this thermoplastic polyester elastomer melt temperature is set at 275 ℃, the melt temperature of this polyethylene terephthalate is set at 280 ℃, wherein the compound part by weight of this thermoplastic polyester elastomer/polyethylene terephthalate is 40/60, carry out spinning coiling with 700m/min speed, after making the composite fibre at 10 dawn, carry out 2.5 times of extensions again, and in addition HEAT SETTING is handled, be cut into the composite short fiber of length 60mm afterwards through gof(f)er machine, then the rerum natura of this composite short fiber is: 4 dawn of fineness, 2.5 gram/the dawn of fibre strength, percentage elongation 50%.
Again this composite short fiber and polyester staple fibers cotton are carried out mixed cotton with 30/70 part by weight, make fiber web through carding machine again behind the opener, with fiber web carry out 5 layers pile up after, nonwoven fabric is namely made in the entanglement that slightly sting successively, smart thorn operation makes fiber produce physical property, through 180 ℃ of hot pressing and after making the processing of surfacingization, TPEE i.e. fusion simultaneously is softening, in hot pressing and cooling procedure again for this nonwoven fabric, make fiber detaching simultaneously and make to produce local adhesion between the fiber, to make the artificial leather base material.Because this thermoplastic elastomer (TPE) disperses to be adhered between the fiber, makes this artificial leather base material have preferable performance, and when rubbing this artificial leather base material with hand rubbing, it has had the feel of a little artificial leather.
Embodiment 3:
(melt mass flow rate is 25g/10min with styrene-ethylene/butylene-styrene thermoplastic elastomer (TPE) (SEBS) particle, section rises polymer share Co., Ltd and makes) and polyethylene terephthalate (PET) particle (limiting viscosity 0.64dl/g, Xinguang Synthetic Fibre Co. Ltd.'s manufacturing) carries out 24 as raw material input composite spinning and cut apart composite spinning, wherein the melt temperature of this styrene-ethylene/butylene-styrene thermoplastic elastomer (TPE) is set at 270 ℃, and the melt temperature of this polyethylene terephthalate is 285 ℃.The compound part by weight of this styrene-ethylene/butylene-styrene thermoplastic elastomer (TPE)/polyethylene terephthalate is 45/55, speed with 800m/min is carried out spinning coiling, after making the composite fibre at 13 dawn, carry out 3.1 times of extensions again, and in addition HEAT SETTING is handled, and is cut into the composite short fiber of length 60mm afterwards through gof(f)er machine, and then the rerum natura of this composite short fiber is: 4.5 dawn of fineness, 2.0 gram/the dawn of fibre strength, percentage elongation 60%.
The polyethylene terephthalate short fiber cotton that with this composite short fiber and fineness was 2 dawn again carries out mixed cotton with 35/65 part by weight, make fiber web through carding machine again behind the opener, with fiber web carry out 5 layers pile up after, nonwoven fabric is namely made in the entanglement that slightly sting successively, smart thorn operation makes fiber produce physical property, and the weight of the unit are of this nonwoven fabric is 220g/m
2Through 160 ℃ of hot pressing and after making the processing of surfacingization, this styrene-ethylene/butylene-styrene thermoplastic elastomer (TPE) i.e. fusion simultaneously is softening, in hot pressing and cooling procedure again for this nonwoven fabric, make fiber detaching simultaneously and make to produce local adhesion between the fiber, to make the artificial leather base material.
Embodiment 4:
(melt mass flow rate is 50g/10min with ethylene-propylene thermoplastic elastomer (TPE) (TEP) particle, Vistamaxx company makes) and polyester (PET) particle (limiting viscosity 0.64dl/g, Xinguang Synthetic Fibre Co. Ltd.'s manufacturing) carries out 32 as raw material input composite spinning and cut apart composite spinning, wherein the melt temperature of this ethylene-propylene thermoplastic elastomer (TPE) is set at 270 ℃, the melt temperature of this polyester is set at 290 ℃, and the compound part by weight of therein ethylene-propylene thermoplastic elastomer (TPE) (TEP)/polyester is 35/65.The composite fibre that makes extends with the speed of 5000m/min through extension apparatus, and the rerum natura of the composite fibre through extending is: 3 dawn of fineness, 5.0 gram/dawn of fibre strength, percentage elongation 45%.This composite fibre is after extension apparatus extends, it is paved into the uniform fiber web of quality, with fiber web carry out 7 layers pile up after, nonwoven fabric is namely made in the entanglement that slightly sting successively, smart thorn operation makes fiber produce physical property, the weight of the unit are of this nonwoven fabric is 330g/m
2When this nonwoven fabric made the processing of surfacingization through 160 ℃ of hot pressing again, this ethylene-propylene thermoplastic elastomer (TPE) i.e. fusion simultaneously was softening, in hot pressing and cooling procedure, made fiber detaching simultaneously and make to produce local adhesion between the fiber, to make the artificial leather base material.
Embodiment 5:
With thermoplastic polyester elastomer (TPEE) particle (hardness 72D, happy aurification limited company makes) with polyester (PET) particle (limiting viscosity 0.64dl/g, Xinguang Synthetic Fibre Co. Ltd.'s manufacturing) carries out 16 as raw material input composite spinning and cut apart composite spinning, wherein the melt temperature of this thermoplastic polyester elastomer is set at 275 ℃, and the melt temperature of this polyester is set at 280 ℃.The compound part by weight of thermoplastic polyester elastomer/polyester (PET) particle is 30/70, the composite fibre that makes extends with the speed of 5000m/min through extension apparatus, the rerum natura of the composite fibre through extending is: 3.5 dawn of fineness, 4.5 gram/dawn of fibre strength, percentage elongation 55%.This composite fibre is paved into the uniform fiber web of quality with it after extension apparatus extends, with fiber web carry out 6 layers pile up after, nonwoven fabric is namely made in the entanglement that makes fiber produce physical property through thick thorn, smart thorn operation in regular turn, the weight per unit area of this nonwoven fabric is 330g/m
2, through 190 ℃ of hot pressing and after making the processing of surfacingization, thermoplastic polyester elastomer i.e. fusion simultaneously is softening again for this nonwoven fabric, in hot pressing and cooling procedure, makes fiber detaching simultaneously and make to produce local the adhesion between the fiber, to make the artificial leather base material.
Embodiment 6:
Be 30% elastic polyurethane solution with the artificial leather base material impregnation solid constituent of embodiment 1 gained, by extruding unnecessary elastic polyurethane solution extruded, and elastic polyurethane solution is evenly distributed.Then, coating elastic polyurethane solution draws layer in forming, entry is shifted out the solvent dimethyl formamide polyurethane to be solidified form and is drawn layer (an elasticity epithelium) in microporous, carries out drying more again after washing is peace and quiet with solvent, is and has excellent rerum natura and the artificial leather of superfine fibre feel concurrently.
Comparative example 2:
Resulting artificial leather base material in comparative example 1 is carried out the processing identical with embodiment 6 to be handled, the impregnation solid constituent is 30% elastic polyurethane solution, through extruding unnecessary elastic polyurethane solution is extruded, and elastic polyurethane solution is evenly distributed, then be coated with elastic polyurethane solution and in forming, draw layer, entry is shifted out the solvent dimethyl formamide polyurethane to be solidified form and is drawn layer (an elasticity epithelium) in microporous, after washing is peace and quiet with solvent, carry out drying more again, be artificial leather.
Reference table 2, the rerum natura of the artificial leather of its demonstration comparative example 2 (100% polyester staple fibers) and the artificial leather of embodiment 6 (the compound short fiber of 30%SEBS+70% polyester staple fibers) relatively.As shown in table 2, the artificial leather that has added the compound short fiber cotton of styrene-ethylene/butylene-styrene thermoplastic elastomer (TPE)/polybutylene terephthalate (PBT) is all having significant increase aspect the performance of tearing strength, tensile strength, peel strength, rupture strength, and aspect feel, have the careful sense of superfine fibre.
Table 2: the rerum natura of the artificial leather of the artificial leather of comparative example 2 (100% polyester staple fibers) and embodiment 6 (the compound short fiber of 30%SEBS+70% polyester staple fibers) compares, and wherein MD is operating direction, and CD is profile direction
Embodiment 7:
Be 22% elastic polyurethane solution with the artificial leather base material impregnation solid constituent of embodiment 1 gained, by extruding unnecessary elastic polyurethane solution is extruded, and elastic polyurethane solution is evenly distributed, then coagulate in advance through the dimethyl formamide aqueous solution, by extruding the unnecessary dimethyl formamide aqueous solution is extruded again, then be coated with elastic polyurethane solution and in forming, draw layer, entry is shifted out the solvent dimethyl formamide polyurethane to be solidified form and is drawn layer (an elasticity epithelium) in microporous, after washing is peace and quiet with solvent, carry out drying more again, be and have excellent rerum natura and the artificial leather of superfine fibre feel concurrently.
Embodiment 8:
It is 30% aqueous elastic polyurethane solutions with the artificial leather base material impregnation solid constituent of embodiment 1 to embodiment 5 gained, by extruding unnecessary aqueous elastic polyurethane solutions is extruded, and the aqueous elastic polyurethane solutions is evenly distributed, after then carrying out coagulating in advance, coating aqueous elastic polyurethane solutions draws layer in forming, after washing is peace and quiet with solvent, carry out drying more again, be and have excellent rerum natura and the artificial leather semi-finished product of superfine fibre feel concurrently.
Earlier with the elastic polyurethane solution coat on release liners, after removing solvent, the drying volatilization make elastic polyurethane be solidified into film, elastomeric polymer after solidify this moment forms the elasticity epithelium, then at elastic polyurethane film surface coating one deck applying glue and after more above-mentioned artificial leather semi-finished product being fitted, drying makes the applying glue-line finish reaction again, again release liners is divested at last, be and have excellent rerum natura and the artificial leather of superfine fibre feel concurrently.
Above-mentioned embodiment is only in order to illustrate principle of the present invention and effect thereof, is not in order to limiting the present invention, so those skilled in the art's modification that above-mentioned embodiment is carried out and change and still do not break away from spirit of the present invention.Protection scope of the present invention should be listed as claims.
Claims (15)
1. contain the manufacture method of elastomeric composite fibre, comprising:
(a) provide first component and second component, this first component is the thermoplasticity inelastic body, and this second component is thermoplastic elastomer (TPE), and the part by weight of this second component is 5% to 70%; And
(b) utilize composite spinneret that this first component and second component are reeled off raw silk from cocoons jointly, to cut apart composite spinning, thereby make many composite fibres, wherein this first component and this second component are alternately distributed in the circumference of these composite fibres cross section separately, and below 50% of the whole length of this this circumference of second ingredients constitute.
2. the manufacture method of claim 1, wherein in these composite fibres cross section separately, this first component comprises a plurality of first vertical bar shape external forms, and its two ends are all first line segment, this second component comprises a plurality of second vertical bar shape external forms, and its two ends are all second line segment.
3. the manufacture method of claim 1, wherein in these composite fibres cross section separately, this first component comprises that a plurality of first is fan-shaped, this second component comprises that a plurality of second is fan-shaped.
4. the manufacture method of claim 1, wherein in these composite fibres cross section separately, this first component comprises a middle body and a plurality of first periphery, these first peripheries are stretched out by this middle body, this second component comprises a plurality of second peripheries, and each second periphery is between two first peripheries.
5. the manufacture method of claim 1, wherein the material of this first component is selected from polyester polymer, polyamide polymers and polyolefin polymers.
6. the manufacture method of claim 5, wherein this polyester polymer is polyethylene terephthalate (PET), polybutylene terephthalate (PBT) (PBT), polytrimethylene terephthalate (PTT), their modifier or copolymer, this polyamide polymers is polyamide 6 (PA6), polyamide 66 (PA66), polyamide 12 (PA12), their modifier or copolymer, and this polyolefin polymers is polyethylene (PE), polypropylene (PP), their modifier or copolymer.
7. the manufacture method of claim 1, wherein the material of this second component is selected from thermoplastic styrene elastomer block copolymer, thermoplastic polyester elastomer (TPEE), thermoplastic polyolefin elastomer (TPO), sulfuration thermoplastic polyolefin elastomer (TPV) and thermoplastic polyamide elastomer (TPA).
8. the manufacture method of claim 7, wherein this thermoplastic styrene elastomer block copolymer is s-B-S thermoplastic elastomer (TPE) (SBS), styrene-ethylene/butylene-styrene thermoplastic elastomer (TPE) (SEBS), styrene-ethylene/propylene-styrene thermoplastic elastomer (TPE) (SEPS), styrene-isoprene-phenylethene thermoplastic elastomer (TPE) (SIS) or their mixture, and this thermoplastic polyolefin elastomer (TPO) is thermoplastic ethylene-propylene-based block copolymer elastomer (TEP).
9. artificial leather base material, it comprises many composite fibres, each root composite fibre comprises first component and second component, this first component is the thermoplasticity inelastic body, this second component is thermoplastic elastomer (TPE), the ratio of this this composite fibre gross weight of second ingredients constitute is 5% to 70%, this first component and this second component are alternately distributed in the circumference of the cross section of this composite fibre, and below 50% of the whole length of this this circumference of second ingredients constitute, wherein, crosspoint between these composite fibres is the softening elasticity binding site that forms of this second component, and the ratio that these composite fibres account for this base material gross weight is 5% to 75%.
10. the base material of claim 9, also comprise many blended fiber, it is the thermoplasticity inelastic body, crosspoint between these blended fiber and these composite fibres is the softening elasticity binding site that forms of this second component, and the material of these blended fiber is selected from polyester polymer, polyamide polymers and polyolefin polymers.
11. the base material of claim 9, wherein the material of this first component is selected from polyester polymer, polyamide polymers and polyolefin polymers, and the material of this second component is selected from thermoplastic styrene elastomer block copolymer, thermoplastic polyester elastomer (TPEE), thermoplastic polyolefin elastomer (TPO), sulfuration thermoplastic polyolefin elastomer (TPV) and thermoplastic polyamide elastomer (TPA).
12. the manufacture method of artificial leather base material may further comprise the steps:
(a) provide many composite fibres, each root composite fibre comprises first component and second component, this first component is the thermoplasticity inelastic body, this second component is thermoplastic elastomer (TPE), the ratio of this this composite fibre gross weight of second ingredients constitute is 5% to 70%, this first component and this second component are alternately distributed in the circumference of the cross section of this composite fibre, and below 50% of the whole length of this this circumference of second ingredients constitute;
(b) form a plurality of fiber webs, these fiber webs comprise these composite fibres;
(c) pile up these fiber webs;
(d) these fiber webs are carried out acupuncture or water thorn;
(e) softening this second component is to combine these composite fibres; And
(f) solidify this second component, make that the crosspoint between these composite fibres is the formed elasticity binding site of this second component.
13. the manufacture method of claim 12, wherein the material of this first component is selected from polyester polymer, polyamide polymers and polyolefin polymers, and the material of this second component is selected from thermoplastic styrene elastomer block copolymer, thermoplastic polyester elastomer (TPEE), thermoplastic polyolefin elastomer (TPO), sulfuration thermoplastic polyolefin elastomer (TPV) and thermoplastic polyamide elastomer (TPA).
14. the manufacture method of claim 12, wherein this step (b) utilizes spun-bond process to become net, the molten method of blowing to become net, combing method to become net, wet-laying or air lay to form these fiber webs.
15. the manufacture method of claim 12 wherein utilizes heating or solution impregnation with softening this second component in this step (e), this step (f) is solidified this second component by removing heat or solution.
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| CN102758358A (en) * | 2011-04-27 | 2012-10-31 | 三芳化学工业股份有限公司 | Artificial leather containing composite fibers and manufacturing method thereof |
| CN103290509B (en) * | 2012-02-22 | 2015-09-23 | 彭宏 | The TPO elastomer that heat resistance is improved and manufacture method thereof |
| CN103361767B (en) * | 2012-03-29 | 2016-09-28 | 彭宏 | The polyolefin elastic fiber of a kind of low cost and manufacture method thereof |
| CN102704029B (en) * | 2012-06-28 | 2014-04-23 | 东华大学 | Preparation method for functionalized polyamide fiber |
| CN103789872B (en) * | 2012-11-02 | 2016-08-10 | 三芳化学工业股份有限公司 | There is high surface and the composite fibre of flexibility and manufacture method thereof, and comprise base material and the manufacture method thereof of this composite fibre |
| CN103046152A (en) * | 2012-12-14 | 2013-04-17 | 常熟常圣服饰有限公司 | Production method of elastic fiber |
| DE112017003545T5 (en) * | 2016-07-13 | 2019-04-11 | Toyobo Co., Ltd. | Mesh-like structure |
| CN109371574A (en) * | 2018-05-04 | 2019-02-22 | 广东协宏无纺布科技有限公司 | A kind of spun-bonded needle punched non-woven fabrics |
| CN109208095B (en) * | 2018-08-06 | 2021-01-05 | 东华大学 | Gear-shaped parallel composite elastic fiber and preparation method thereof |
| CN109660920B (en) * | 2019-01-23 | 2020-09-22 | 歌尔股份有限公司 | Vibrating diaphragm for sound production device and sound production device |
| CN111850782A (en) * | 2019-04-30 | 2020-10-30 | 三芳化学工业股份有限公司 | Knitted structure and method of making same |
| CN110241480B (en) * | 2019-06-11 | 2022-04-05 | 上海梦丝新材料科技有限公司 | Novel block copolymer mixture elastic fiber and manufacturing method thereof |
| CN112898668A (en) * | 2019-11-19 | 2021-06-04 | 贝内克-长顺汽车内饰材料（张家港）有限公司 | TPO composition for forming TPO artificial leather and corresponding TPO artificial leather |
| CN110982180A (en) * | 2019-12-30 | 2020-04-10 | 山东玉马遮阳科技股份有限公司 | High-performance TPV composite material |
| TW202134491A (en) * | 2020-03-06 | 2021-09-16 | 勤倫有限公司 | Elastic thread with limited elasticity and textile with such elastic thread |
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| EP0933459A1 (en) * | 1998-01-30 | 1999-08-04 | Unitika Ltd. | Staple fiber non-woven fabric and process for producing the same |
| EP1132508A1 (en) * | 1999-08-09 | 2001-09-12 | Kuraray Co., Ltd. | Composite staple fiber and process for producing the same |
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| EP0933459A1 (en) * | 1998-01-30 | 1999-08-04 | Unitika Ltd. | Staple fiber non-woven fabric and process for producing the same |
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