CN101730772A - The pedaline that is made of the fiber that comprises core and clad reaches by its chinampa of making - Google Patents

The pedaline that is made of the fiber that comprises core and clad reaches by its chinampa of making Download PDF

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Publication number
CN101730772A
CN101730772A CN200880023816A CN200880023816A CN101730772A CN 101730772 A CN101730772 A CN 101730772A CN 200880023816 A CN200880023816 A CN 200880023816A CN 200880023816 A CN200880023816 A CN 200880023816A CN 101730772 A CN101730772 A CN 101730772A
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core
clad
pedaline
cellulose
multinomial described
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P·范赖简
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Tapijtfabriek H Desseaux NV
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Tapijtfabriek H Desseaux NV
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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
    • 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
    • D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D06M15/05—Cellulose or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D06M15/05—Cellulose or derivatives thereof
    • D06M15/07—Cellulose esters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
    • D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0063—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
    • D06N7/0065—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by the pile
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/34—Polyamides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/14—Properties of the materials having chemical properties
    • D06N2209/141—Hydrophilic

Abstract

The present invention relates to the pedaline that is made of the fiber that comprises core and clad, this core and this clad are made from a variety of materials, and wherein, the material of clad has the hydrophily different with the material of core.

Description

The pedaline that is made of the fiber that comprises core and clad reaches by its chinampa of making
Technical field
The present invention relates to the pedaline that is made of the fiber that comprises core and clad, this core and this clad are made from a variety of materials.The invention still further relates to the method for making this artificial grass fibre.
Background technology
It is known by the European patent EP 0996781 of authorizing the applicant that the yarn that contains polyamide is used to produce such pedaline of pedaline itself, wherein, described yarn also comprises the polyolefin compound that is selected from polypropylene, LLDPE and polypropylene and poly block copolymer except polyamide.Wherein polymer is through pushing to form monofilament except therefrom understanding, and it is processed into band subsequently, and several bands are twined with outside the manufacturing method of yarn that forms yarn, also discloses wherein and has obtained method of yarn by coextrusion.In this coextrusion process, clad is made up of polyamide, and core is made up of one of above-mentioned synthetic materials.
Known production is used for the method for the synthetic fibers of artificial turf sports ground from International Application No. WO 2005/111281, wherein, the layer of synthetic materials is made up of the layer of two different synthetic materialss at least, and it declares that the step of coextrusion has realized the separation of the various character of used synthetic materials.According to the first function embodiment, the layer of synthetic materials is made up of the sandwich layer of first synthetic materials, these sandwich layer both sides are centered on by one or several skin, each skin is made up of different synthetic materialss, and hydrophilic additive for example ethylene-vinyl alcohol copolymer or poly hydroxy ethyl acrylate can be as the skins of coextrusion fiber.
From International Application No. WO 2004/106601, become known for the yarn of chinampa, wherein, described yarn is so-calledly to be different from the bandwire (tape filament) that the skin of the material of sandwich layer is formed by sandwich layer and two, described core comprises polyester and/or polyolefine material, and described skin comprises high density polyethylene (HDPE).
The open JP 2003342848 of Japan Patent has disclosed the yarn that is used for artificial turf, its conjugated yarn by resin combination (conjugated yarn) is formed, and comprises that 70-99 weight % nylon (polyamide) and 1-30 weight % are as the polyethylene of internal layer with as outer field polyethylene.
The phenomenon (especially when pedaline is used for football) that the known artificial grass takes place is experienced tingling sensation (sustain burns) when being sportsman's sliding tackle.And this problem can not betide natural grass, and natural materials has higher water content, and contact is soft, thereby makes with the friction meeting of skin very high.From being subjected to the angle of skin injury, described high friction is disadvantageous, but because the fact of mild wear takes place during the natural grass contact, can not produce tingling sensation during contact between skin and natural grass.In addition, can should be mentioned that natural grass is soft, and after wearing and tearing, can regrow that what may need on the one hand to be also noted that at this is that the soft relatively character of natural grass also is beneficial to and obtains better elastic (resilience).
On the other hand, generally there are different opinions in the selection aspect that is used for the material of pedaline.If be used for the material of pedaline is soft material, and for example, it has big elastic range.Such characteristic causes better elastic, but also causes high-caliber friction, and this afterwards will cause on the one hand, and skin excessively is attached to pedaline when sliding tackle, thereby causes skin lesion inevitably, and this point is undesirable.These materials are assessed as and demonstrate disadvantageous heating feature (heat development characteristics) under such sliding tackle situations, although because high friction, be limited the time of contact of skin and pedaline.The material that is used for pedaline also can be the hard material with little elastic range, and this can cause the elasticity of difference, but wherein the amount of friction is limited.Limited amount of friction can cause less skin injury.In addition, described hard material is assessed as the favourable heating feature of demonstration under the situation of sliding tackle, because time of contact is longer.
Above-mentioned chinampa is known for many years, and hockey is one of motion of carrying out on the artificial turf of being everlasting.In addition, the motion of carrying out on artificial turf can also be mentioned football, rugby, tennis, skiing, golf.
For fear of the above-mentioned interactional problem that relates between human body skin and the chinampa, apply a large amount of water to chinampa, especially in important athletic competition process.Under the situation of the chinampa that is used to carry out hockey, chinampa almost completely is submerged, and this does not meet the requirements for environment reason.
Summary of the invention
Target of the present invention provides the pedaline of special type, and it imitates the advantageous feature of natural grass as far as possible, particularly relates to the characteristic of elasticity and sliding tackle.
Another target of the present invention provides durability that shows height and the pedaline of being made up of commercially available material.
Another target of the present invention provides the synthetic fibers that do not need to flood chinampa.
The present invention who mentions in the foreword is characterised in that, the hydrophily of material that is used for clad is different with the hydrophily of the material that is used for core, is characterised in that particularly the hydrophily that is used for the material of clad is higher than the hydrophily of the material that is used for core.
When using such pedaline, pedaline shows hygroscopicity to a certain degree, thereby realizes one or more above-mentioned targets.Because pedaline of the present invention feels moistening slightly,, can obtain good ball lift-over performance when carrying out ball game especially during hockey.In addition, particularly under the situation of football, the danger of harmful damage (for example after the sliding tackle) minimizes at contact movement.Clad-cored structure guarantees that whole core zone is surrounded by clad basically.Can point out in this respect that in addition clad may have certain net structure or open architecture, thereby make some core material remain " exposure ".
Chinampa comprises basalis, the synthetic fibers outstanding from basalis are attached on the basalis, preferably, finish by synthetic fibers by being mechanically connected to basalis, for example, by knitting skill, knitting technology or tufting technique (tufting technique), thereby make synthetic fibers more or less near natural lawn with upright grass blade.
The inventor finds, the material that is used for clad is preferably selected from polyurethane, cellulose, chitosan, polyvinyl alcohol and derivative thereof, or its combination, and use one or more to belong to the cellulose derivative of the group of viscose glue, ethyl cellulose, cellulose acetate-butyrate (CAB), cellulose-acetate propionate (CAP), cellulose diacetate and Triafol T especially.Chitosan is a kind of linear polysaccharide that is obtained by chitin.The special advantage of chitosan is that it also shows the good adhering fact for core material except it has antibacterial characteristics.
The suitable material that is used for core is the copolymer that is selected from polyester, polypropylene, ethylene vinyl acetate copolymer (EVA), saturated styrenic thermoplastic elastomer (SEBS), polyamide, polyvinyl and ethene and acrylate, or the material of its combination.Specially suitable polyvinyl is selected from high density polyethylene (HDPE) (HDPE), medium density polyethylene (MDPE), low density polyethylene (LDPE) (LDPE), LLDPE (LLDPE) and anhydride modified polyolefin, particularly polyacrylate compound and polyvinyl.Suitable polyamide comprises polyamide type 6,6.6,6.10en 6.12, or its combination, particularly co-PA (6/66).Suitable polyester is polybutylene terephthalate (PBT) and PETG, especially gathers (propylene glycol ester terephthalate) (PTT).
The important parameter of core material is the elasticity of measuring by suitable survey tool cantilever (cantilever).Therefore, fiber is pushed over, and measure the required power of doing like this.Repeat aforesaid operations 300 times, and measure this power once more.Value (the F of initial elasticity 1) be preferably 1-2cN.Value (F after 300 times 300) be expressed as the percentage of measured value for the first time, and be preferably at least 50%.The suitable material that is used for core comprises, especially gathers (propylene glycol ester terephthalate) (PTT) (F 1=1.5 (elongation rate: 5.0), F 300=59), PETG (PET) (F 1=1.2, F 300=84), altogether-polyamide (F 1=1.3 (at 140 ℃, elongation rate is 3.3+10 '), F 300=52) and polyamide 6 (F 1=1.6 (at 140 ℃, elongation rate is 3.1+10 '), F 300=51).
In specific embodiment, promote the reagent that adheres between core material and the coating layer material preferably to be present between core material and the coating layer material, and in specific embodiment, this adhesion promoter is the copolymer of ethene and methacrylate.
In specially suitable embodiment, pedaline of the present invention is made by the combination of a kind of (clad) and a kind of (clad) among polyamide 6 (core) and the ethyl cellulose/CAB/CAP among a kind of (clad) among polyamide (core) and Triafol T (clad), LDPE (core) and Triafol T/cellulose diacetate (clad), the polypropylene (core) with SEBS and Triafol T/cellulose diacetate (clad), PTT (core) and the ethyl cellulose/CAB/CAP, common-polyamide (6/60) (core) and the ethyl cellulose/CAB/CAP.Another kind of suitable core materials is also to comprise copolymer, polypropylene and/or the polyethylene of ethene and acrylate or the material of its combination except EVA.
The material that is used for the core of artificial grass fibre of the present invention has the modulus of elasticity of maximum 500MPa (measuring according to ASTM D638) especially, especially has the modulus of elasticity (measuring according to ASTM D638) of maximum 300MPa.
The material that is used for clad preferably has the modulus of elasticity of minimum 500MPa (measuring according to ASTMD638), especially has the modulus of elasticity (measuring according to ASTM D638) of minimum 750MPa.
In the pedaline of the present invention that the fiber of being made up of synthetic materials core and clad constitutes, the volume that the thickness of clad accounts for whole fiber 1-40 volume % is preferred.
Though mentioned a clad so far, but in special embodiment, clad also can comprise many subgrades, in this case, at least the one deck in the described layer comprises and is selected from polyurethane, cellulose, chitosan, polyvinyl alcohol and derivative thereof, or the material of its combination, and one or more cellulose derivatives that belong to the group of viscose glue, ethyl cellulose, cellulose acetate-butyrate (CAB), cellulose-acetate propionate (CAP), cellulose diacetate and Triafol T are used for the outermost clad especially.
According to the present invention, can produce pedaline of the present invention in many ways.A kind of method is at first to dissolve coating layer material (if possible), subsequently thus obtained solution is applied to core material, remove the solvent of use afterwards, and core material can activate in advance.
According to another kind of possibility, use the coextrusion method, this possibility is fusible and thereby can to extrude be condition with coating layer material.Except the chemistry/extrusion method that can use combination, in this case, core material (may activate in advance with the fumaric acid that for example is dissolved in ethanol) applies with coating layer material.
Though mention the core that applies synthetic materials with clad so far in this application, in special embodiment, also may use hydrophily to be higher than and be used for the hydrophilic material of production artificial grass fibre (especially its outermost layer) as the common packing material or the filler that are used for chinampa.
In the application's special embodiment, it is possible making the core material hydrophiling, thereby improves thus and the adhesion of water or the interaction of reinforcement and hydrophilic clad (not using as yet).Preferably, for example, carry out described hydrophiling to the core grafted maleic anhydride of polyethylene (especially LDPE or LLDPE) by the one or more reactive groups of grafting on core material.
The material that is used for clad can also comprise one or more additives, for example, cause better absorbing and discharging the such artificial grass fibre of the additive of moisture, the additive that suppresses algae and/or conk, influence flexible additive, provide ultraviolet resistance additive, influence the resistance to rolling of fiber additive, give the additive of fiber color.
The invention still further relates to the method for the artificial grass fibre that manufacturing is made up of synthetic materials core and clad, this core and this clad are by making as the different materials that defines in the claims.
The specific embodiment
Explain the present invention by a plurality of embodiment now, but should be pointed out that in this present invention only limits to these certain embodiments absolutely not.
Embodiment 1
Push polyamide 6, use the core material of thus obtained band of hot wash or monofilament form in addition, to remove so-called spinning oil (spin finish).The core material of so extruding is subsequently by using the bath with adhesion promoter solution of fumaric acid solution (the especially 1-2% fumaric acid in ethanol and the water azeotropic mixture), and the time of staying is 10-30 second.Another kind of suitable adhesion promoter is a terephthalic acid (TPA).After carrying out above-mentioned activation, use commercially available viscose glue, artificial silk (rayon) by so-called spin coater (spincoater).Behind above-mentioned coating step, carry out congealing step, that is, make thus obtained material through coagulation bath, especially comprise the waterborne compositions of 9 weight % sulfuric acid and 13 weight % sodium sulphate, make viscose glue regeneration also therefore change into cellulose.Drying is with the clad core material that applies like this and wash (if necessary) with water.Thus obtained artificial grass fibre can be described as comprising that very resilient core is with extremely thin clad (it is hydrophilic) and provide with commercially available artificial grass fibre (not comprising the clad that shows with the material different hydrophilic that is used for core) and compare the interactional fiber of improved slip.
Embodiment 2
Be used for core with the material identical materials of mentioning among the embodiment 1, and cleaning with hot water, with the bath of the material the extruded solution by having coating layer material to be used with after removing spinning oil.Suitable coating layer material comprises: be dissolved in cellulose diacetate in the cold acetone, be dissolved in the Triafol T in the cold carrene and be dissolved in polyvinyl alcohol in the cold 6N hydrogen chloride.Preceding two kinds of coating layer materials are preferred, because the good adhesion of they and polyamide.In addition, the core material with the coating layer material coating that therefore obtains can be with simple mode drying in air, because the solvent that uses has low boiling.The artificial grass fibre that obtains in embodiment 2 has very resilient core, has thin clad on this core, and this clad is hydrophilic, so its slip that demonstrates than the obvious improvement of the artificial grass fibre that does not comprise above-mentioned coating layer material interacts.
Embodiment 3
Polyamide 6 .6 is as core material, and in this case, the coating layer material that will handle by coextrusion must be fusible, uses following material: cellulose diacetate, Triafol T and polyvinyl alcohol.By coextrusion coating layer material is coated on the core material.The advantage of described coextrusion is: prevent to use (harmful) solvent, except can be in the contact zone possibility of mixed core material and coating layer material slightly, thereby promote two kinds of adhesions between the material.The fiber of Huo Deing has very resilient core and hydrophilic clad like this, and it causes comparing improved slip with the outer field artificial grass fibre of possess hydrophilic property not and interacts.
Embodiment 4
Use the core material of extruding of embodiment 1, and the core material of the filament form that obtains is dipped in one period long period in hydrogen chloride (HCl) solution of 1N, be 24 hours to the maximum, so that realize the partial hydrolysis of the amide functional group in the polyamide.The filament that the water cyclic washing is handled like this, and be exposed to the aqueous solution of the sodium carbonate (0.025M is in the water) of the ethanol of the diepoxy butane that comprises 9 parts by volume, 1 parts by volume and 1 parts by volume subsequently.Describedly be exposed to 80 ℃ and carried out 15 hours.After the described processing, wash the filament of such processing with water and at air drying, so the filament contact of activation comprises the aqueous solution (acetate of 1 volume %) of 1.5% chitosan, especially by filament being drawn through the aqueous solution or by the aqueous solution is injected on the filament.At last, dry filament 1 hour is so that make chitosan and polyamide reaction.The fiber that the clad by the core of polyamide and chitosan that obtains is like this formed can be counted as the fiber of the very resilient core with thin hydrophily clad, and this fiber is compared with the artificial grass fibre of the combination that does not comprise above-mentioned clad and core material and shown significantly improvement aspect the slip interaction.In addition, can point out, show antibacterial action and suppress algae grows as the chitosan of clad.
Embodiment 5
The identical operations of carrying out and mentioning in embodiment 1-3, except polyvinyl, particularly LDPE and LLDPE are used as core material in every kind of described situation.The fiber of Huo Deing has very resilient core and hydrophilic clad like this, and it causes interacting with the slip that does not have the outer field artificial grass fibre of hydrophily to compare improvement.Also can be as the core material of using in the change present embodiment as described in the following examples 6-8, to obtain and the extraordinary adhesion of coating layer material.
Embodiment 6
Make the polyethylene core material (particularly LDPE or LLDPE) or the polypropylene core material hydrophiling (hydrophylise) of extruding by graft reaction group on the hydrophobic polymer chain (particularly maleic anhydride).This polymer is dissolved in the suitable solvent (for example o-dichlorohenzene), mixes the initiator appropriate (as tert-butyl peroxide) and the maleic anhydride of the amount of the 10 weight % be respectively polymer and 1 weight % subsequently.Heating came the purification reaction product by precipitation in the acetone of boiling after 1 hour in 170 ℃ temperature, blanket of nitrogen.Described purification step repeats twice.The product that is obtained is a polymer chain, and about 0.05% of existence carbon atom has hydrophilic radical therein.If desired, can remain on the graft (grafts) that came hydrolysis to provide thus in about 10 minutes in the boiling water by the filament that will obtain.Because the result of described hydrolysis, the anhydride functional group is converted into carboxyl functional group, causes the less contact angle with water, thereby makes with water strong adhesion is arranged.
Embodiment 7
The maleic anhydride of 1 weight % and suitable initator as the dicumyl peroxide (dicumyl peroxide) of 0.15 weight % in the presence of, under about 200 ℃ temperature, in blanket of nitrogen with twin (double) screw extruder (double screw extruder) extruded polyethylene compound especially LDPE.Use about 5 minutes time of staying, 60% the maleic anhydride graft that adds thus is on carbochain.Can be by material being remained on the filament that came hydrolysis to obtain like this in about 10 minutes in the boiling water.Because the result of described hydrolysis, the anhydride functional group is converted into carboxyl functional group, causes the less contact angle with water, thereby makes with water strong adhesion is arranged.
Embodiment 8
Extruded polyethylene compound, particularly LDPE contact the solution with following composition with thus obtained filament afterwards:
-maleic anhydride is preferably the amount of the 2-3 weight % of polymer;
-light trigger, preferably with respect to the amount of acid anhydrides 3-6 weight %, suitable light trigger is benzophenone (benzophenone), benzoyl dimethyl dital (benzoyl dimethyl dital) and thioxanthones (thioxanthane), preferably benzophenone;
-solvent, as acetoneand ethyl acetate, preferred acetone.
Through with behind above-mentioned solution-wet (moisturisation) filament, handle with the UV radiation.Processing used herein comprises and was exposed to the UV lamp 1-7 minute that the UV lamp is also launched the radiation in the 200-300nm wave-length coverage, uses 2500-6000 μ W/cm 2Intensity and 35-85 ℃ temperature, preferably be higher than 60 ℃ temperature because maleic anhydride melts under described temperature, thereby it is reacted better.Use described UV to handle, the present inventor obtains the result of maleic anhydride graft on carbochain that 70-90% adds.After the photo-grafting process stops, can remove unreacted reagent by washing with acetone, then washing with water.In addition, can be the so provided grafting body of hydrolysis in about 10 minutes in boiling water by keeping filament, the anhydride functional group is converted into carboxyl functional group as a result, thereby makes with water strong adhesion is arranged.
The inventor finds, if applying coating layer material subsequently then omits the hydrolysing step of mentioning among the foregoing description 5-8.More particularly, if without clad coating core material, step so is hydrolyzed.The foregoing description 5-8 causes having the artificial grass fibre of very resilient core, and such grafting body can be counted as the hydrophilic clad on the core material, also may apply the core material that so changes by the hydrophilic clad of usefulness described in embodiment 1-4 simultaneously, the slip that causes improving interacts.

Claims (27)

1. the pedaline that constitutes by the fiber that comprises synthetic materials core and clad, described core and described clad are made from a variety of materials, and are characterised in that, and the hydrophily of material that is used for clad is different with the hydrophily of the material that is used for core.
2. pedaline as claimed in claim 1 is characterised in that the hydrophily that is used for the material of clad is higher than the hydrophily of the material that is used for core.
3. as each or multinomial described pedaline among the claim 1-2, be characterised in that the material that is used for clad is selected from polyurethane, cellulose, chitosan, polyvinyl alcohol and derivative thereof or its combination.
4. pedaline as claimed in claim 3, be characterised in that, use one or more to belong to the cellulose derivative of the group of viscose glue, ethyl cellulose, cellulose acetate-butyrate (CAB), cellulose-acetate propionate (CAP), cellulose diacetate and Triafol T.
5. each in the claim or multinomial described pedaline as described above, be characterised in that, the material that is used for core is selected from the copolymer of polyester, polypropylene, ethylene vinyl acetate copolymer (EVA), saturated styrenic thermoplastic elastomer (SEBS), polyamide, polyvinyl and ethene and acrylate or its combination.
6. pedaline as claimed in claim 5, be characterised in that, described polyvinyl is selected from high density polyethylene (HDPE) (HDPE), medium density polyethylene (MDPE), low density polyethylene (LDPE) (LDPE), LLDPE (LLDPE) and anhydride modified polyolefin, particularly polyacrylate compound and polyvinyl.
7. pedaline as claimed in claim 5 is characterised in that, PETG and/or PTT (PTT) are as polyester.
8. pedaline as claimed in claim 5 is characterised in that, copolyamide (6/66) and/or polyamide-6 are as polyamide.
9. each in the claim or multinomial described pedaline as described above are characterised in that, promote the reagent that adheres between core material and the coating layer material to be present between core material and the coating layer material.
10. as each or multinomial described pedaline among the claim 1-9, be characterised in that the material that is used for core is that polyamide and the material that is used for clad are Triafol T/cellulose diacetates.
11. each or multinomial described pedaline as among the claim 1-9 are characterised in that the material that is used for core is that LDPE and the material that is used for clad are Triafol T/cellulose diacetates.
12. each or multinomial described pedaline as among the claim 1-9 are characterised in that the material that is used for core is that the combination of polypropylene and SEBS and the material that is used for clad are Triafol T/cellulose diacetates.
13. each or multinomial described pedaline as among the claim 1-9 are characterised in that the material that is used for core also comprises copolymer, polypropylene and/or the polyethylene of ethene and acrylate or its combination except EVA.
14. each in the claim or multinomial described pedaline are characterised in that as described above, the material that is used for core has the modulus of elasticity of the maximum 500MPa that measures according to ASTM D638.
15. pedaline as claimed in claim 14 is characterised in that, the material that is used for core has the modulus of elasticity of the maximum 300MPa that measures according to ASTM D638.
16. each in the claim or multinomial described pedaline are characterised in that as described above, the material that is used for clad has the modulus of elasticity of the minimum 500MPa that measures according to ASTM D638.
17. pedaline as claimed in claim 16 is characterised in that, the material that is used for clad has the modulus of elasticity of the minimum 750MPa that measures according to ASTM D638.
18. each in the claim or multinomial described pedaline are characterised in that as described above, the thickness of clad makes its volume account for whole fiber 1-40 volume %.
19. each in the claim or multinomial described pedaline are characterised in that as described above, are 1-2cN according to the fibrous elasticity that pushes over the required power measurement of fiber.
20. each in the claim or multinomial described pedaline are characterised in that as described above, be expressed as after measuring for 300 times measure the power of pushing over the first time measured value the fibrous elasticity (F300) of percentage be at least 50%.
21. pedaline as claimed in claim 9 is characterised in that, adhesion promoter is the copolymer of ethene and methacrylate.
22. each in the claim or multinomial described pedaline are characterised in that clad comprises multilayer as described above, wherein one deck comprises the material that is selected from polyurethane, cellulose, chitosan, polyvinyl alcohol and derivative thereof or its combination at least.
23. pedaline as claimed in claim 22, be characterised in that one or more cellulose derivatives that belong to the group of viscose glue, ethyl cellulose, cellulose acetate-butyrate (CAB), cellulose-acetate propionate (CAP), cellulose diacetate and Triafol T are used for the outermost clad.
24. the method for the artificial grass fibre that a manufacturing is made up of synthetic materials core and clad, described core and described clad are made by different materials, be characterised in that, the core material of the material that extruding is used for core to obtain to extrude, and the material that is used for clad is coated on the core material of extruding.
25. method as claimed in claim 24 is characterised in that, through the bath with coating layer material thereon to be coated the material that is used for clad is coated on core by making the core material of extruding.
26. method as claimed in claim 24 is characterised in that, the material that is used for core by extruding simultaneously is coated on core with the material that the material that is used for clad will be used for clad.
27., be characterised in that at first provide adhesion promoter to the core material of extruding, the material that will be used for clad again is coated on pretreated core material like this as each or multinomial described method among the claim 24-25.
CN200880023816A 2007-06-07 2008-06-05 The pedaline that is made of the fiber that comprises core and clad reaches by its chinampa of making Pending CN101730772A (en)

Applications Claiming Priority (3)

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NL1033949 2007-06-07
NL1033949A NL1033949C2 (en) 2007-06-07 2007-06-07 Artificial grass constructed from fibers consisting of a core and a mantle, as well as an artificial grass field built from it.
PCT/NL2008/000145 WO2008150156A1 (en) 2007-06-07 2008-06-05 Artificial grass composed of fibres comprising of a core and a cladding, as well as an artificial lawn made up thereof

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Also Published As

Publication number Publication date
EP2167732A1 (en) 2010-03-31
EP2167732B2 (en) 2022-11-02
US20100173102A1 (en) 2010-07-08
NL1033949C2 (en) 2008-12-09
WO2008150156A1 (en) 2008-12-11
EP2167732B1 (en) 2014-10-01

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