CN106521982A - Flame retardation-resistant and antistatic microfiber material and product preparation technology thereof - Google Patents

Flame retardation-resistant and antistatic microfiber material and product preparation technology thereof Download PDF

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Publication number
CN106521982A
CN106521982A CN201610952036.9A CN201610952036A CN106521982A CN 106521982 A CN106521982 A CN 106521982A CN 201610952036 A CN201610952036 A CN 201610952036A CN 106521982 A CN106521982 A CN 106521982A
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China
Prior art keywords
fiber
parts
woven fabric
antistatic
product
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Pending
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CN201610952036.9A
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Chinese (zh)
Inventor
徐林英
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Quanzhou Zhongxin Microfiber Polytron Technologies Inc
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Quanzhou Zhongxin Microfiber Polytron Technologies Inc
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Priority to CN201610952036.9A priority Critical patent/CN106521982A/en
Publication of CN106521982A publication Critical patent/CN106521982A/en
Pending legal-status Critical Current

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    • 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
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0013—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using multilayer webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
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    • 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
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    • 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
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
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    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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    • D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
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    • D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
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    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
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    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
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    • D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
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  • Engineering & Computer Science (AREA)
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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention discloses a flame retardation-resistant and antistatic microfiber material product preparation technology. The technology comprises the following steps: 1) preparing fiber batt; 2) preparing base cloth; 3) performing impregnation on polyvinyl alcohol, 4) performing impregnation on PU: steps of polyurethane slurry dipping through a wet method, solidification, washing at room temperature, secondary predrying, dispersion dipping, secondary drying, washing at high temperature and drying fixing are carried out to obtain the semi-finished product; and 5) performing alkali decrement treatment; 6) performing anti-static treatment: 4.5-5.8 parts of an antistatic agent at the temperature of 33-38 DEG C with liquid ratio of 1.5 is used, and then the finished product microfiber material is obtained through dry process overlaying. The invention also discloses the microfiber material and the preparation technology. The produced microfiber material and the product have good flame retardation performance and durable flame resistance performance, hidden trouble of the microfiber material and the microfiber product is eliminated; and the physical property indexes such as abundant and rich hand feeling, peeling intensity, abrasion resistance, tearing, yellowing resistance, flexibility and permeability are higher than that of the same kind product.

Description

Prevent the preparation technology of fire-retardant, antistatic woven fabric material and product
Technical field
The present invention relates to the preparation technology of a kind of woven fabric material and product, more particularly to a kind of woven fabric material and product.
Background technology
During at present all kinds of woven fabric materials are widely used in producing, live, the surface of woven fabric material would generally produce electrostatic, this Will have a negative impact to normal use of the product of static electrification itself, the product.It is especially applicable to aviation, high ferro, moves Woven fabric material, woven fabric product on the vehicles such as car, once producing electrostatic, or even can cause serious consequence.
Therefore, it is necessary to researching and developing one kind can eliminate electrostatic hazard, anlistatig woven fabric material.
The content of the invention
In view of this, it is an object of the invention to provide a kind of prevent fire-retardant, antistatic woven fabric material preparation process, deter Combustion, antistatic woven fabric material, anti-fire-retardant, antistatic woven fabric product preparation technology, anti-fire-retardant, antistatic woven fabric product, can eliminate Electrostatic hazard, with antistatic effect.
In order to reach above-mentioned purpose, the solution of the present invention is：
Prevent fire-retardant, antistatic woven fabric material preparation process, realized by following steps：
Step 1 prepares fiber bat：By fiber A, fiber B, fiber C and fiber D Jing shreddings, preliminary mixing, open for the 1st time Cotton, metal detection, mixing and the 2nd opener, make fiber in flakes, and flakes fiber makes the cellucotton with certain density Tire；Wherein, the weight of fiber is：Fiber A is 86～88 parts of 3.5D × 51mm terylene island fiber with figured sea-island, and fiber B is 4 ～4.5 parts of modified high-shrinkage polysters, fiber C are 4～6 parts of fire resistance fibres, and fiber D is 4～6 parts of antistatic fibers；
Step 2 prepares base fabric：Step 1 prepare fiber bat is weighed, combing, mix old miscellaneous, lapping, pre-needling, just Purl pierces to form 3 D stereo fibre web；Woven fabric is laid below 3 D stereo fibre web, and the positive and negative acupunctures of Jing make 3 D stereo fibre web Woven fabric compound nonwoven cloth is combined into woven fabric；Woven fabric compound nonwoven cloth plates Jing after having a shave and makes base fabric；
The impregnation of step 3 polyvinyl alcohol is processed：Step 2 prepare base fabric is impregnated, roll, the 1st prebake and the 1st baking It is drying into middle product；Wherein, the impregnation liquid is poly-vinyl alcohol solution that mass concentration is 6～8%；
The impregnation of step 4PU is processed：Step 3 prepare middle product Jing wet polyurethane impregnating slurries, solidification, room temperature wash, 2nd prebake, dispersion dipping, vacuum dehydration, the 2nd drying, high temperature washing and dryness finalization make semi-finished product；Wherein, The solidification liquid is dimethylformamide, and the dispersion dipping adopts aqueous pu dispersions；
Step 5 alkali decrement treatment：Step 4 prepare semi-finished product Jing soda-dips, hydrolytic breakdown and except hydrolysis residue decomposition Process；
Step 6 functional agent processes dry method veneer：Semi-finished product Jing functional agents prepared by step 5 are processed and dry method veneer is obtained Finished product woven fabric material；
Wherein, functional agent processes as follows：Semi-finished product resist quiet process：Liquor ratio 1.5, temperature are 33～38 DEG C, 4.5～5.8 weights Amount part antistatic additive；
Dry method veneer is as follows：
Coat surface layer slurry on carrier successively and form surface layer, coating middle layer slurry formation middle level, coating tack coat slurry Tack coat is formed, so as to make overlay coating；The tack coat is fitted with semi-finished product prepared by step 5, dries, cools down, peeled off That is finished product woven fabric material；
Surface layer slurry parts by weight of component is：88～90 part of first polyurethane resin, 65～75 parts of solvents, 3.5～6.5 parts of resistances Combustion agent, 90～110 parts of antistatic fillers；
Middle layer slurry parts by weight of component is：88～90 part of second polyurethane resin, 45～55 parts of solvents, 3.5～6.5 parts of resistances Combustion agent, 90～110 parts of antistatic fillers；
The parts by weight of component of tack coat slurry is：88～90 part of the 3rd polyurethane resin, 38～45 parts of solvents, 3.5～6.5 Part fire retardant, 2.5～3 parts of firming agent, 0.8～1 part of catalyst, 90～110 parts of antistatic fillers.
In the step 1：
The fiber A, the fiber B, the fiber C and the fiber D are mixed and are carried out the shredding step；Or Person
The fiber A carries out the shredding step, the fiber B, the fiber C and the fiber D mix into The row shredding step, then mixing the fiber A, the fiber B and the fiber C carries out the preliminary mixing Step；Or
In the step 2：
The needling density of the pre-needling is 90～92 thorns/cm2, depth of needling is 8.2～8.5mm；Or
Using plate and anti-thorn plate is just pierced, the needling density for just piercing plate is 270～280 thorns/cm to the positive and negative needle-punching run2, Depth of needling is 5.5～6mm, and the needling density of anti-thorn plate is 420～450 thorns/cm2, depth of needling is 8.2～8.5mm；Or
In the composite steps, the woven fabric adopts chinlon woven fabric；The 3 D stereo fibre web and the woven fabric Woven fabric compound nonwoven cloth is combined into using pre- spun lacing and/or spun lacing；Or the 3 D stereo fibre web and the woven fabric are adopted Positive and negative acupuncture is combined into woven fabric compound nonwoven cloth, and the needling density for just piercing plate is 560～580 thorns/cm2, depth of needling be 6.2～ 6.5mm, the needling density of anti-thorn plate is 500～550 thorns/cm2, depth of needling is 9.5～10.2mm；Or
Using to thorn machine, the needling density to piercing machine is 810～830 thorns/cm to the step of having a shave2, depth of needling is 3.2 ～4.5mm, pierces into non-woven weight for 380～390g/m2, thickness is 1.6～1.7mm；
The temperature of the pressing step is 125～128 DEG C；
In the step 3：
The temperature of the poly-vinyl alcohol solution is 85～88 DEG C, and the temperature of the 1st prebake is 115～120 DEG C, the 1st time The temperature of drying is 120～132 DEG C；Or
In the step 4：
The temperature of solidification is 28～32 DEG C, and the temperature of room temperature washing is 25～28 DEG C, and the temperature of prebake is 110～115 DEG C, the temperature of drying is 110～115 DEG C, and high temperature washing adopts deionized water and temperature is for 98～112 DEG C, the temperature of dryness finalization Spend for 122～135 DEG C；
The weight of the aqueous pu dispersions is：70～75 parts of polyurethane resins, 11～13 parts of N～ethylene Base imidazole salts polymer, 4～5 parts of coalescents, 1.5～1.8 parts of defoamer, 1.5～1.8 parts of levelling agents, 0.5～1.2 part Heveatex, 0.5～1.2 part of stabilizer；
The number-average molecular weight of the polyurethane resin is 1500～4800；The N～vinyl imidazole salt polymer It is 1500～48000 that general formula of molecular structure is its number-average molecular weight；
The vacuum of the vacuum dehydration is 38Kpa～46Kpa；
In the step 6：
The antistatic additive is cationic quaternary ammonium salt, the derivant of Polyethylene Glycol, amido polyoxyethylene ether；
In the dry method veneer, the solvent is dimethylformamide, and the fire retardant is phosphate ester flame retardants, nitrogen phosphorus Composite flame-retardant agent；The antistatic filler is polyaniline, conductive black and nanometer silver；
The middle level coats 2～3 times.
Prevent fire-retardant, antistatic woven fabric material, which is using the woven fabric material that technique is prepared from as previously mentioned.
Prevent fire-retardant, antistatic woven fabric product preparation technology, woven fabric material, woven fabric material system are prepared using technique as previously mentioned Into woven fabric material product.
Prevent fire-retardant, antistatic woven fabric product, which is using the product that technique is prepared from as previously mentioned.
After using such scheme, the invention has the advantages that：Using woven fabric material, woven fabric system made by the present invention Product, fire resistance is good, fire resistance is lasting, eliminates woven fabric material, the potential safety hazard of woven fabric product.And surpass made by the present invention Fiber material, woven fabric product, its grain effect third dimension is strong, gloss is natural, feel is abundant, full, and peel strength, wear-resisting Each physical property such as consumption, tear, maximum pull, elongation percentage, color inhibition, resistance to complications, elasticity, pliability, breathability, dimensional stability refers to Mark is all remarkably higher than like product.
Specific embodiment
In order to technical scheme is explained further, the present invention is explained in detail below by specific embodiment State.It is clear following for describing, the 1st time is respectively defined as in advance to such as prebake of the same process in each step, drying respectively Drying, the 2nd prebake, the 1st drying, the 2nd drying etc., by that analogy showing difference.
Embodiment one
In the present embodiment, fire-retardant, antistatic woven fabric material preparation process is prevented, it is main to be realized by following steps：
Step 1 prepares fiber bat：By fiber A, fiber B and fiber C Jing shreddings, preliminary mixing, the 1st opener, metal Detection, mixing and the 2nd opener, make fiber in flakes, and flakes fiber makes the fiber bat with certain density.
Wherein, the weight of fiber is：Fiber A is 86～88 parts of 3.5D × 51mm terylene island fiber with figured sea-island, fine Dimension B is 4～4.5 parts of modified high-shrinkage polysters, and fiber C is 4～6 parts of fire resistance fibres, and fiber D is 4～6 parts of antistatic fibres Dimension.Fire resistance fibre, antistatic fiber can adopt existing product on the market, for example with Lei Su trades (Shanghai) Co., Ltd. Fire resistance fibre, antistatic fiber, or fire resistance fibre is using polyurethane flame-proof fiber.Antistatic additive can adopt the poly- power in Accessories during Binzhou The product of work company limited, the product of Jinan Ju Xin Chemical Co., Ltd.s.In addition, fiber B can also be fine using protein is compounded with The modified high-shrinkage polyster of the employing of dimension, can so improve the effect of antistatic.
After-applied 0.32～0.38% weight portion antistatic additive of the 1st opener and/or the 2nd opener, antistatic additive can Using terylene antistatic additive, can so reduce fiber and produce electrostatic.
Here the density of fiber bat routinely can set.Jing this step 1 is processed, and can not only obtain even density, consistent The high fiber bat of property, and fiber A, fiber B and fiber C can be sufficiently mixed.
Step 2 prepares base fabric：Step 1 prepare fiber bat is weighed, combing, mix old miscellaneous, lapping, pre-needling, just Purl pierces to form 3 D stereo fibre web.
Fiber bat Jing combings, the old miscellaneous formation fibre web of mixing, and the strength ratio of the fibre web all directions can reach ideal State.
Fibre web Jing pre-needlings form the fibre web with some strength, and the thickness of fibre web is significantly reduced；Jing is positive and negative for the fibre web Acupuncture, fiber is fully tangled, entanglement obvolvent together, increase strength and density, so as to form 3 D stereo fibre web.Pre- pin Thorn, positive and negative acupuncture can adopt existing needing machine, positive and negative acupuncture to adopt positive acupuncture board, anti-acupuncture board, and positive acupuncture board is from top to bottom Acupuncture, the acupuncture from bottom to top of anti-acupuncture board.
Woven fabric is laid below 3 D stereo fibre web, and the positive and negative acupunctures of Jing are combined into 3 D stereo fibre web and woven fabric Woven fabric compound nonwoven cloth.
Woven fabric compound nonwoven cloth plates Jing after having a shave and makes base fabric.
The impregnation of step 3 polyvinyl alcohol is processed：Step 2 prepare base fabric is impregnated, roll, the 1st prebake and the 1st baking It is drying into middle product；Wherein, impregnation liquid is poly-vinyl alcohol solution that mass concentration is 6～8%.
The impregnation of step 4PU is processed：Step 3 prepare middle product Jing wet polyurethane impregnating slurries, solidification, room temperature wash, 2nd prebake, dispersion dipping, vacuum dehydration, the 2nd drying, high temperature washing and dryness finalization make semi-finished product, that is, make Bass.Wherein, solidification liquid is dimethylformamide, and dispersion dipping adopts aqueous pu dispersions.
Step 5 alkali decrement treatment：Step 4 prepare semi-finished product Jing soda-dips, hydrolytic breakdown and except hydrolysis residue decomposition Process.
Step 6 functional agent processes dry method veneer：Semi-finished product Jing functional agents prepared by step 5 are processed and dry method veneer is obtained Finished product woven fabric material.
Wherein, functional agent processes as follows：
Semi-finished product prepared by step 5 resist quiet process：Liquor ratio 1.5, temperature are 33～38 DEG C, 4.5～5.8 weight portion antistatic Agent.
Dry method veneer is as follows：
Coat surface layer slurry on carrier successively and form surface layer, coating middle layer slurry formation middle level, coating tack coat slurry Tack coat is formed, so as to make overlay coating；The tack coat is fitted with semi-finished product prepared by step 5, dries, cools down, peeled off That is finished product woven fabric material.
Surface layer slurry parts by weight of component is：88～90 part of first polyurethane resin, 65～75 parts of solvents, 3.5～6.5 parts of resistances Combustion agent, 90～110 parts of antistatic fillers.Antistatic filler is also referred to as antistatic additive.
Middle layer slurry parts by weight of component is：88～90 part of second polyurethane resin, 45～55 parts of solvents, 3.5～6.5 parts of resistances Combustion agent, 90～110 parts of antistatic fillers.
The parts by weight of component of tack coat slurry is：88～90 part of the 3rd polyurethane resin, 38～45 parts of solvents, 3.5～6.5 Part fire retardant, 2.5～3 parts of firming agent, 0.8～1 part of catalyst, 90～110 parts of antistatic fillers.Solvent can be using existing normal Solvent of the regulation for binding paste.Fire retardant can be using the product of Hefei Zhong Ke flame-retarding new materials company limited.Firming agent can Using the product of Guangde Ahmedabad scholar Chemical Co., Ltd..Catalyst can be using the product of Wuxi City Yao get Xin chemical products company limited Product.
Wherein the first polyurethane resin, the second polyurethane resin, the 3rd polyurethane resin be able to can be adopted with different Existing product on the market.For example, the first polyurethane resin, the second polyurethane resin, the modulus of the 3rd polyurethane resin are in Steps reduction.
In addition, in surface layer slurry, middle layer slurry, can also increase the egg albumen powder of 1-3 weight portions, to improve anti-static conductive effect.
Embodiment two
The present embodiment differs primarily in that with embodiment one the present embodiment is made to each process parameter in embodiment one Further preferably to select, something in common will not be described here.
Step 1
Fiber A, fiber B, fiber C and fiber D are mixed and are carried out shredding step.
It is preferred that fiber A carries out shredding step, fiber B, fiber C and fiber D are mixed and are carried out shredding step, so Mixing fiber A, fiber B and fiber C afterwards carries out preliminary blend step.
Step 2
The needling density of pre-needling is 90～92 thorns/cm2, depth of needling is 8.2～8.5mm.
It is preferred that positive and negative needle-punching run is using just piercing plate and anti-thorn plate, the needling density for just piercing plate be 270～280 thorns/ cm2, depth of needling is 5.5～6mm, and the needling density of anti-thorn plate is 420～450 thorns/cm2, depth of needling is 8.2～8.5mm.
In composite steps, woven fabric adopts chinlon woven fabric；3 D stereo fibre web and woven fabric adopt pre- spun lacing and/or water Thorn is combined into woven fabric compound nonwoven cloth；Or 3 D stereo fibre web and woven fabric are combined into woven fabric composite non woven using positive and negative acupuncture Cloth, the needling density for just piercing plate are 560～580 thorns/cm2, depth of needling is 6.2～6.5mm, and the needling density of anti-thorn plate is 450～550 thorns/cm2Or 500～550 thorns/cm2, depth of needling is 9～10.2mm or 9.5～10.2mm.It is preferred that anti- The needling density of thorn plate is 450～470 thorns/cm2, depth of needling is 9～9.5mm, and the acupuncture that anti-thorn plate is so greatly decreased is close Degree, depth of needling, can significantly improve firmness, the strength of woven fabric compound nonwoven cloth on the contrary, particularly strengthen woven fabric composite non woven Cloth strength in all directions, while density increases, size is also more stable.
Using to thorn machine, the needling density to piercing machine is 810～830 thorns/cm to step of having a shave2, depth of needling be 3.2～ 4.5mm, the weight for piercing into non-woven fabrics are 380～450g/m2Or 380～390g/m2, thickness is 1.6～1.7mm.It is preferred that Woven fabric compound nonwoven cloth after having a shave is 410～450g/m2。
The temperature of pressing be 125～128 DEG C, it is preferred that plate temperature be 128～132 DEG C, fully can eliminate contraction, Stress is eliminated, and base fabric is made Jing after plating.
Step 3
The temperature of poly-vinyl alcohol solution is 85～88 DEG C, or 92～96 DEG C, the temperature of the 1st prebake is 115～120 DEG C, the temperature of the 1st drying is 120～132 DEG C.It is preferred that the temperature of the 1st drying is 132～138 DEG C, 135～138 DEG C, Make polyvinyl alcohol be coated on the surface of the surface of woven fabric compound nonwoven cloth, particularly fiber completely, be easy to washing below, formed Space, improves the ventilative, performance of moisture-inhibiting.1st drying also makes the modified high-shrinkage polysters of fiber B shrink completely, eliminate and answer Power, improve density, put forward highdensity uniformity.
Step 4
Wet polyurethane slurry can adopt existing polyurethane slurry, for example with the component of following weight portion：72～75 Part dimethylformamide, 25～26 parts of modified polyurethanes, 0.35～0.38 foam stabilizer, 3.5～3.8 parts of foaming agent, 0.55～ 0.58 part of abscess mediator agent etc., can also add 1～1.5 part of dispersant in addition, add appropriate mill base according to Colour selection, for example 4～4.5 parts of mill bases.Said components can be using existing product on the market or the product of each auxiliary agent manufacturer.
The temperature of solidification is 28～32 DEG C, and the temperature of room temperature washing is 25～28 DEG C, and the temperature of the 2nd prebake is 110 ～115 DEG C, the temperature of the 2nd drying is 110～115 DEG C, and high temperature washing adopts deionized water and temperature is for 98～112 DEG C, does The temperature of dry sizing is 122～135 DEG C.It is preferred that being solidified as 4～5 solidifications, the weight portion of the 1st time to the 5th solidification liquid is such as Under change in gradient：29～30 parts, 26～28 parts, 18～22 parts, 12～16 parts, 8～10 parts.The solidification is simultaneously made also to be in correspondingly Graded, so can substantially form the microcellular structure of porous, varying aperture, be particularly these microcellular structure distributions extremely equal Even, flexible.
The weight of aqueous pu dispersions is：70～75 parts of polyurethane resins, 11～13 parts of N～vinyl miaows Azoles salt polymer, 4～5 parts of coalescents, 1.5～1.8 parts of defoamer, 1.5～1.8 parts of levelling agents, 0.5～1.2 part it is natural Latex, 0.5～1.2 part of stabilizer.It is preferred that the said components in aqueous pu dispersions are separately added into, and it is separately added into After be sufficiently stirred for, can so improve the dipping effect of aqueous pu dispersions.Wherein coalescents, defoamer, levelling agent, soft Soft dose, stabilizer can be using existing product on the market.Such as stabilizer is multiple using liquid barium zinc compound stabilizer, Liquid K zinc Close stabilizer.Stabilizer can also be using the product of Shaoyang Tiantang Auxiliaries Chemical Co., Ltd. of Hunan Province.Softening agent is remarkably improved The flexibility of semi-finished product, contributes to surface effect below and functional agent process, and correspondence strengthens surface effect and function.Film forming is helped Agent can be using the product of Shandong Hao Yao new materials company limited.Coalescents, defoamer can also be had using Nantong City's break Thailand chemical industry The product of limit company.Levelling agent can be using the product of Dongguan City Yi Lian Chemical Industry Science Co., Ltd, model EL-2818.It is soft Soft dose can be using the product of Longkou Yijiu Chemical Technology Co., Ltd..Coalescents, defoamer, levelling agent, softening agent may be used also Using the product of Longkou Yijiu Chemical Technology Co., Ltd..
The number-average molecular weight of polyurethane resin is 1500～4800；The molecular structure of N～vinyl imidazole salt polymer It is 1500～48000 that formula is its number-average molecular weight.
Vacuum dehydration can adopt first vacuum dehydration, or it is de- to carry out second vacuum after first vacuum dehydration Water.The vacuum of first vacuum dehydration is 38Kpa～46Kpa, preferably 38Kpa～42Kpa, second vacuum dehydration it is true Reciprocal of duty cycle is 42Kpa～46Kpa.
Step 5
Alkali liquor is 7.0～7.8 weight portion alkali liquor, preferably using 8.2～8.6 weight portion NaOH solutions.After soda-dip, Pick-up is 96～98%, then the chemical reaction under the conditions of 105～110 DEG C, in making NaOH and terylene island fiber with figured sea-island Alkaline terylene carries out complete hydrolysis reaction, resolves into small molecule, forms super-refinement fiber bundle structure, contributes to significantly improving ventilative Property.
After hydrolytic breakdown, by any one or more the washing group in ultrasonic wave water washing, negative pressure washing, pulse washing etc. Close.It is preferred that carry out successively ultrasonic wave water washing, negative pressure washing, pulse washing, so can fully erased hydrolytic breakdown residue, i.e., Fully erased above-mentioned reaction residues.
Before and after processing except hydrolysis residue decomposition, pH value regulation can be carried out, be adjusted by 1 time or 2 pH value, made The pH value of semi-finished product reaches neutral post-drying.
It is remarkably improved breathability, dimensionally stable, has no irritating odor by step 5.
Step 6
Antistatic additive is cationic quaternary ammonium salt, the derivant of Polyethylene Glycol or amido polyoxyethylene ether.
In dry method veneer, solvent is dimethylformamide, and fire retardant is phosphate ester flame retardants or nitrogen phosphorus composite flame-retardant agent. Antistatic filler is polyaniline, conductive black and nanometer silver.
Floating coat is coated 2～3 times, is so remarkably improved surface effect, and is eliminated various flaws, such as elimination flake, Lump, hollow hole etc., and then improve internal microstructure and appearance tactile impression.
In the present embodiment, each technological parameter in step 1 to step 6 can combination in any, appropriate change or modification.And this In invention, each component can be using the corresponding product of above-mentioned manufacturer production.
In addition, anti-fire-retardant, the antistatic woven fabric material of the present invention, which adopts technique to be as previously mentioned prepared from, texture effect Fruit third dimension is strong, gloss natural, feel is abundant, full, and breathability, elasticity, peel strength, abrasion performance, tear, maximum drawing The various physical indexs such as power, elongation percentage, color inhibition, resistance to complications, pliability are all remarkably higher than like product.Made by the present invention into The abrasion performance of product, maximum pull are even higher by 24～26% than the index of existing product, the resistance to complications of finished product made by the present invention Even 40～42% are higher by than the index of existing product.
The woven fabric material of the present invention is applicable to expensive goods, is particularly well-suited to the high-grade product such as in-car decorations, footwear clothes, clothing Product, have further expanded woven fabric material, the application prospect of woven fabric product.
Anti- fire-retardant, the antistatic woven fabric product preparation technology of the present invention, prepares woven fabric material using technique as previously mentioned, surpasses Fiber material makes woven fabric material product using existing common process.
Anti- fire-retardant, the antistatic woven fabric product of the present invention, which is using the product that technique is prepared from as previously mentioned.
The product form and style of above-described embodiment the non-limiting present invention, the ordinary skill people of any art Appropriate change or modification that member is done to which, all should be regarded as the patent category without departing from the present invention.

Claims (5)

1. fire-retardant, antistatic woven fabric material preparation process is prevented, it is characterised in that realize by following steps：
Step 1 prepares fiber bat：By fiber A, fiber B, fiber C and fiber D Jing shreddings, preliminary mixing, the 1st opener, gold Category detection, mixing and the 2nd opener, make fiber in flakes, and flakes fiber makes the fiber bat with certain density；Its In, the weight of fiber is：Fiber A is 86～88 parts of 3.5D × 51mm terylene island fiber with figured sea-island, and fiber B is 4～4.5 The modified high-shrinkage polyster of part, fiber C are 4～6 parts of fire resistance fibres, and fiber D is 4～6 parts of antistatic fibers；
Step 2 prepares base fabric：Step 1 prepare fiber bat is weighed, combing, mix old miscellaneous, lapping, pre-needling, positive purl Thorn forms 3 D stereo fibre web；Woven fabric is laid below 3 D stereo fibre web, and the positive and negative acupunctures of Jing make 3 D stereo fibre web and machine Weave cotton cloth and be combined into woven fabric compound nonwoven cloth；Woven fabric compound nonwoven cloth plates Jing after having a shave and makes base fabric；
The impregnation of step 3 polyvinyl alcohol is processed：Step 2 prepare base fabric is impregnated, roll, the 1st prebake and the 1st drying system Into middle product；Wherein, the impregnation liquid is poly-vinyl alcohol solution that mass concentration is 6～8%；
The impregnation of step 4PU is processed：Step 3 prepare middle product Jing wet polyurethane impregnating slurries, solidification, room temperature wash, the 2nd time Prebake, dispersion dipping, vacuum dehydration, the 2nd drying, high temperature washing and dryness finalization make semi-finished product；Wherein, it is described solidifying Solid-liquid is dimethylformamide, and the dispersion dipping adopts aqueous pu dispersions；
Step 5 alkali decrement treatment：Step 4 prepare semi-finished product Jing soda-dips, hydrolytic breakdown and except hydrolysis residue decomposition process；
Step 6 functional agent processes dry method veneer：Semi-finished product Jing functional agents prepared by step 5 are processed and dry method veneer is finished product Woven fabric material；
Wherein, functional agent processes as follows：Semi-finished product resist quiet process：Liquor ratio 1.5, temperature are 33～38 DEG C, 4.5～5.8 weight portions Antistatic additive；
Dry method veneer is as follows：
Coated on carrier successively surface layer slurry formed surface layer, coating middle layer slurry formed middle level, coating tack coat slurry formed Tack coat, so that make overlay coating；The tack coat is fitted with semi-finished product prepared by step 5, dried, being cooled down, is peeled off and is made Obtain finished product woven fabric material；
Surface layer slurry parts by weight of component is：88～90 part of first polyurethane resin, 65～75 parts of solvents, 3.5～6.5 parts it is fire-retardant Agent, 90～110 parts of antistatic fillers；
Middle layer slurry parts by weight of component is：88～90 part of second polyurethane resin, 45～55 parts of solvents, 3.5～6.5 parts it is fire-retardant Agent, 90～110 parts of antistatic fillers；
The parts by weight of component of tack coat slurry is：88～90 part of the 3rd polyurethane resin, 38～45 parts of solvents, 3.5～6.5 parts of resistances Combustion agent, 2.5～3 parts of firming agent, 0.8～1 part of catalyst, 90～110 parts of antistatic fillers.
2. fire-retardant, antistatic woven fabric material preparation process is prevented as claimed in claim 1, it is characterised in that：
In the step 1：
The fiber A, the fiber B, the fiber C and the fiber D are mixed and are carried out the shredding step；Or
The fiber A carries out the shredding step, and the fiber B, the fiber C and the fiber D are mixed and carried out institute Shredding step is stated, then mixing the fiber A, the fiber B and the fiber C carries out the preliminary mixing step Suddenly；Or
In the step 2：
The needling density of the pre-needling is 90～92 thorns/cm2, depth of needling is 8.2～8.5mm；Or
Using plate and anti-thorn plate is just pierced, the needling density for just piercing plate is 270～280 thorns/cm to the positive and negative needle-punching run2, acupuncture depth Degree is 5.5～6mm, and the needling density of anti-thorn plate is 420～450 thorns/cm2, depth of needling is 8.2～8.5mm；Or
In the composite steps, the woven fabric adopts chinlon woven fabric；The 3 D stereo fibre web and the woven fabric are adopted Pre- spun lacing and/or spun lacing are combined into woven fabric compound nonwoven cloth；Or the 3 D stereo fibre web and the woven fabric are using positive and negative Acupuncture is combined into woven fabric compound nonwoven cloth, and the needling density for just piercing plate is 560～580 thorns/cm2, depth of needling be 6.2～ 6.5mm, the needling density of anti-thorn plate is 500～550 thorns/cm2, depth of needling is 9.5～10.2mm；Or
Using to thorn machine, the needling density to piercing machine is 810～830 thorns/cm to the step of having a shave2, depth of needling be 3.2～ 4.5mm, pierces into non-woven weight for 380～390g/m2, thickness is 1.6～1.7mm；
The temperature of the pressing step is 125～128 DEG C；
In the step 3：
The temperature of the poly-vinyl alcohol solution is 85～88 DEG C, and the temperature of the 1st prebake is 115～120 DEG C, the 1st drying Temperature be 120～132 DEG C；Or
In the step 4：
The temperature of solidification is 28～32 DEG C, and the temperature of room temperature washing is 25～28 DEG C, and the temperature of prebake is 110～115 DEG C, is dried Dry temperature is 110～115 DEG C, and high temperature washing adopts deionized water and temperature is for 98～112 DEG C, and the temperature of dryness finalization is 122～135 DEG C；
The weight of the aqueous pu dispersions is：70～75 parts of polyurethane resins, 11～13 parts of N～vinyl miaows Azoles salt polymer, 4～5 parts of coalescents, 1.5～1.8 parts of defoamer, 1.5～1.8 parts of levelling agents, 0.5～1.2 part it is natural Latex, 0.5～1.2 part of stabilizer；
The number-average molecular weight of the polyurethane resin is 1500～4800；The molecule of the N～vinyl imidazole salt polymer It is 1500～48000 that general structure is its number-average molecular weight；
The vacuum of the vacuum dehydration is 38Kpa～46Kpa；
In the step 6：
The antistatic additive is cationic quaternary ammonium salt, the derivant of Polyethylene Glycol, amido polyoxyethylene ether；
In the dry method veneer, the solvent is dimethylformamide, and the fire retardant is phosphate ester flame retardants, nitrogen phosphorus is combined Fire retardant；The antistatic filler is polyaniline, conductive black and nanometer silver；
The middle level coats 2～3 times.
3. fire-retardant, antistatic woven fabric material is prevented, it is characterised in which is using surpassing that technique described in claim 1 is prepared from Fiber material.
4. fire-retardant, antistatic woven fabric product preparation technology is prevented, it is characterised in that woven fabric is prepared using technique described in claim 1 Material, woven fabric material make woven fabric material product.
5. fire-retardant, antistatic woven fabric product is prevented, it is characterised in which is the system being prepared from using technique described in claim 4 Product.
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CN109371706A (en) * 2018-09-14 2019-02-22 安徽省怀宁县山森制衣有限公司 A kind of fire-retardant feather dress fabric
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CN112342688A (en) * 2020-10-31 2021-02-09 苏州新诺斯新材料科技有限公司 Hydrophilic soft point-grain hot-rolled non-woven fabric and manufacturing process thereof

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Application publication date: 20170322