CN102704179B - High-intensity moisture permeable warp knitting layered mesh cloth based on mixed chemical fiber and preparation method thereof - Google Patents
High-intensity moisture permeable warp knitting layered mesh cloth based on mixed chemical fiber and preparation method thereof Download PDFInfo
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- 239000000835 fiber Substances 0.000 title claims abstract description 119
- 239000000126 substance Substances 0.000 title claims abstract description 105
- 239000004744 fabric Substances 0.000 title claims abstract description 92
- 238000009940 knitting Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims description 27
- 238000012986 modification Methods 0.000 claims abstract description 78
- 230000004048 modification Effects 0.000 claims abstract description 78
- 238000000576 coating method Methods 0.000 claims abstract description 70
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- 238000009954 braiding Methods 0.000 claims description 20
- 239000011259 mixed solution Substances 0.000 claims description 20
- 239000003960 organic solvent Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 20
- 229920002635 polyurethane Polymers 0.000 claims description 20
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- 238000002844 melting Methods 0.000 claims description 16
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- 229920000728 polyester Polymers 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 6
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- 239000002131 composite material Substances 0.000 claims description 5
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- 244000025254 Cannabis sativa Species 0.000 description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 3
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Abstract
The invention relates to high-intensity moisture permeable warp knitting layered mesh cloth based on mixed chemical fiber. Through the mutual combination of fiber modification, fabric coating and warp knitting technology, the technical defects of roughness, poor comfort and processing difficulty of the chemical fiber warp knitting layered mesh cloth in the prior art are overcome, and the beneficial effects of low cost, high added value, high-degree excellent moisture regain, moisture absorptivity, high intensity, high elasticity, good product dimension stability and good hand feeling style are reached.
Description
Technical field
The invention belongs to stratiform through compiling processing technique field, particularly high-strength wet through compiling the machining field of stratiform screen cloth, relate in particular to and a kind ofly wet through volume stratiform screen cloth and preparation method thereof based on the high-strength of mixed type chemical fibre.
Background technology
At present, three-layer mesh fabric is as knitting, tatting or non-woven fabric, is that yarn by different material or fineness has certain thickness tricot at the two-layer fabrics that forms on two needle-bars, between both with what the connection yarn of all lengths fineness coupled together.
Therefore its structure generally includes three layers, be upper epidermis, lower top layer and wall, upper epidermis and lower top layer have the hollow out decorative pattern usually, wall is connected between upper epidermis, lower top layer by monofilament and forms, total has certain elasticity, and good air permeability, but use raw material chemical fibre common own moisture absorption and permeability poor, the improvement of the comfortableness of the total fabric that brings is just less.
Along with the development of chemical fibres industry technical merit and improving constantly of people's quality of life, people also more and more pay attention to the pursuit of color, feel, style, moisture absorption, high powerful and comfort etc. to garment material, in order to adapt to people's demand, the various new synthetic fiber of making of employing new technology constantly come out, and various functional treatments also emerge in an endless stream.Profile fibre knitted fabric is a kind of knit fabric with moisture absorbing and sweat releasing, dry cooling function, good breathes freely, leads wet, softness, is widely used in sportswear, leisure wear and summer clothes etc., has good development prospect.
The moisture absorbing and sweat releasing of domestic application terylene profiled filament or other new material production at present knit fabric majority is single-layered weave structure, and the capillary effect of its moisture sorption effect is generally in the 10cm left and right.The production technology of fabric also has influence on interior quality and the exterior quality of fabric, and is particularly most important to the research of the process conditions of pre-treatment, dyeing, moisture absorption, high powerful, comfort and the rear arrangement etc. of fabric.
Chinese patent prospectus CN200720128026 discloses a kind of novel three-layer mesh fabric gum shoes surfacing material, comprises three layers of terylene thread, and wherein one deck is to be made by the terylene thread layer that scribbles aluminium or silver at least; It comprises three layers of upper, middle and lowers.Can select according to actual needs aluminising or silver on the terylene thread of any specification, in order to make this fabric.The utility model is difficult for sticking dust, and under the irradiation of light, has strong visual impression light effect, and is silver-shiny.In addition, the netted and color of vamp can free conversion.But the technique of pre-treatment, dyeing, moisture absorption, high powerful, comfort and the rear arrangement etc. of the fabric of itself is and relates to, and is very limited to performance improvement.
Chinese patent 200810072509, related to a kind of process for producing coated mesh fabric, it is characterized in that: described preparation technology is: grey cloth is carried out preheating through the preheating ironing device plate on dispensing device, get rid of moisture and other little molecule volatile materials of containing in fabric, then the grey cloth after preheating being plated pads to stick with paste on vertical scraper to be processed, enter the vertical drying oven preplasticizing, enter the horizontal coating head of first after grey cloth pressing after the plasticizing Gel Treatment is cooling and carry out the bottom-surface coated process, enter baking oven preplasticizing gel, cooling and shaping; Carry out the surface layer coating through the second coating head again, finally by crossing the plasticizing baking oven, complete plasticizing process; Cloth after coating is completed through embossing, cooling, batch, utilize surface treating machine to carry out the surface treatment of product, apply one deck anticorrosive resin paint at coating surface, reach anti-fouling and self-cleaning and improve outdoor serviceability; But this fabric can't effectively solve the poor problem of common three-layer mesh fabric hygroscopicity, improve the wearability of product.
Chinese patent 200910112291 and 200920139662, related to a kind of three-layer mesh fabric that improves moisture pick-up properties, comprise by yarn with the upper epidermis, the lower top layer that are made into through the volume mode and the wall between being connected in both, it is characterized in that: respectively the combing of described formation upper epidermis and/or lower top layer has a comb yarn at least in yarn be the Nylon-6Hydrofil silk; But Density, network structure are all undesirable, can't realize the comfortableness effect that it is corresponding.
Chinese patent 200910112292, related to a kind of three-layer mesh fabric with excellent moisture absorption property, comprise by yarn with the upper epidermis, the lower top layer that are made into through the volume mode and the wall between being connected in both, it is characterized in that: respectively the combing of described formation upper epidermis and/or lower top layer has a comb yarn at least in yarn be hemp yarn.Select hemp yarn to interweave in three-layer mesh fabric, in the situation that do not affect other performance indications of three-layer mesh fabric, greatly improved the hygroscopicity of three-layer mesh fabric.But the own strength, elastic of flax fibre etc. is inferior to chemical fibre, and the preparation fabric is short service life, weak effect;
Chinese patent 200920139675 has related to a kind of three-layer mesh fabric with excellent moisture absorption property, comprises by yarn with the upper epidermis, the lower top layer that are made into through the volume mode and the wall between being connected in both, it is characterized in that: select other natural fabric.Select hemp yarn to interweave in three-layer mesh fabric, in the situation that do not affect other performance indications of three-layer mesh fabric, greatly improved the hygroscopicity of three-layer mesh fabric.But the intensity of same natural fabric itself wets thoroughly and the defective of weaving make its weak effect and service life short.
Along with the application with various new materials of improving constantly of domestic screen cloth production technology, increased severely through netting cloth market demand in recent years, performance boost is very fast.Following through the not larger variation of netting cloth structure, but will improve a lot aspect quality, functional screen cloth, high-performance are taken the demand of material all can sustainable growth.The three-layer mesh fabrics such as Nylon-6Hydrofil of Jinjiang China space research and development, has good hygroscopicity and defeated moist, solved the poor problem of common three-layer mesh fabric moisture absorption, improve the wearability of product, producing and further raising and perfect of technology acquisition, obtained old and new users's approval, wide market prospects have been arranged.Company relies on old dam footwear material screen cloth market and bag market, Quanzhou simultaneously, and product is mainly sold to the provinces and cities such as Guangdong, Zhejiang, Shanghai, Jiangsu, Shandong, Hebei, Henan and Hubei also rapidly to the domestic and international market radiation.Product has begun to sell to Southeast Asia, European Union and North America market at present.
Therefore, select the fabric of modification chemical fibre, especially laminate fabric is futurity industry, and textile industry and the fabric of taking the extensive needs of industry are researched and developed the innovation that this fabric certainly will bring multilayer screen cloth technical field, also will bring new variation.
Summary of the invention
purpose of the present invention provides a kind of being correlated with improve processing step and optimize wetting through compiling stratiform screen cloth and Treatment technique for processing thereof based on the high-strength of mixed type chemical fibre of relevant optimal parameter, good softness is compared in acquisition with natural fabric material, thoroughly wet, high-strength, stratiform plentiful and that comfort property is good is weaved cotton cloth, utilize fibre modification, fabric coating, it is coarse through compiling the stratiform screen cloth that the mutually combining of warp knitting solved chemical fibre of the prior art, the technological deficiency of the poor and difficult processing of comfortableness, low-cost high added value and highly good regain have been reached, hygroscopicity, high strength, high elasticity, the useful advantage that the good stability of the dimension of product and feel style are excellent.
For achieving the above object, the present invention is achieved by the following technical solutions:
A kind of high-strength wet through compiling the stratiform screen cloth based on the mixed type chemical fibre of the present invention, it is characterized in that, should comprise at least through compiling the stratiform screen cloth that ground floor contained tricot and the 3rd layer of three dimensional fabric through the three-decker of the tricot that contains the modification chemical fibre of coating processing that the tricot of modification chemical fibre, the second layer are processed through coating based on the high-strength wet of mixed type chemical fibre; Wherein, tricot and the second layer that ground floor contains the modification chemical fibre interweave by the nylon fiber that is provided with the hygroscopic coatings processing between the tricot that coating is processed, and tricot and the 3rd layer of tricot that contains the modification chemical fibre of processing through coating that the second layer is processed through coating interweave by the polyster fibre that is provided with described hygroscopic coatings processing.
Wherein: described high-strength wet three-decker through compiling the stratiform screen cloth based on the mixed type chemical fibre gets by following step preparation successively:
Step 1: ground floor contains the preparation of the tricot of modification chemical fibre, and this modification chemical fibre gets blend as cortex take polyester as sandwich layer take polyester, cellulose esters and water-soluble modified polymer resin; The distribution duct that the sandwich layer melt of extruding through two single-screw extrusion machines respectively and cortex melt are 2:3 by Length Ratio respectively enters composite special-shaped filament spinning component, and two kinds of melts are respectively through obtaining this modification chemical fibre by the abnormal-shape spinneret plate that is evenly distributed with cross cross section spinneret orifice after the measuring pump accurate measurement separately; Wherein, the single-screw extrusion machine of melting sandwich layer melt divides two district's temperature-control pressure-controls, and the temperature in a district is that 265-268 ℃, pressure are 12 ± 0.5MPa; The temperature in 2nd district is that 255-258 ℃, pressure are 13 ± 0.5MPa; The single-screw extrusion machine of melting cortex melt divides three district's temperature-control pressure-controls, and the temperature in a district is that 195-197 ℃, pressure are 10MPa; The temperature in 2nd district is that 205-207 ℃, pressure are 9MPa; The temperature in 3rd district is that 225-227 ℃, pressure are 10MPa; Then obtain by abnormal-shape spinneret plate the tricot that this modification chemical fibre braiding ground floor contains the modification chemical fibre, wherein, the tricot that this ground floor contains the modification chemical fibre adopts 22 line braidings, knitting needle to classify a high position as and even number is classified low level as separately at odd number, produce ultra-thin mesh tissue, in each mesh, article two, relative limit is made of the wale of warp knitting fabrics, and another two limits are made of the underlap of wale, and the area of each mesh is 0.018 square millimeter;
Step 2: the second layer is through the preparation of the tricot of coating processing, modification chemical fibre take raw fiber as above-mentioned steps in one, adopt 31 line braidings, knitting needle odd number to classify a high position and even number as and classify the room as and weave separately tricot, the tricot cloth cover after braiding produces two every two ultra-thin fine texture; Then polyurethane particles, hydrophilic chain extender, organic solvent are put into the microwave electromagnetic shaker simultaneously, be that 45～47 ℃ of lower uniform stirrings obtain the homogeneous mixed solution after 15 minutes in temperature, wherein the weight ratio that adds of polyurethane particles, hydrophilic chain extender, organic solvent is 1:1.5:7, homogeneous mixed solution in described step 2 evenly is coated on the tricot of above-mentioned ultra-thin fine texture, then carry out 30～33 ℃ of low temperature dryings, namely get the tricot that the second layer is processed through coating;
step 3: the 3rd layer of preparation through the tricot that contains the modification chemical fibre of coating processing, with polyurethane particles, hydrophilic chain extender, organic solvent is put into the microwave electromagnetic shaker simultaneously, be that 45～47 ℃ of lower uniform stirrings obtain the homogeneous mixed solution after 15 minutes in temperature, polyurethane particles wherein, hydrophilic chain extender, the weight ratio that adds of organic solvent is 1:1:9, the ground floor that homogeneous mixed solution in described step 3 evenly is coated to above-mentioned steps one contains on the tricot of modification chemical fibre, then carry out 30～33 ℃ of low temperature dryings, namely get the 3rd layer of tricot that contains the modification chemical fibre of processing through coating.
Wherein: the single-screw extrusion machine of described melting sandwich layer melt divides two district's temperature-control pressure-controls, and the temperature in a district is that 267 ℃, pressure are 12MPa; The temperature in 2nd district is that 257 ℃, pressure are 13MPa; The single-screw extrusion machine of melting cortex melt divides three district's temperature-control pressure-controls, and the temperature in a district is that 196 ℃, pressure are 10MPa; The temperature in 2nd district is that 206 ℃, pressure are 9MPa; The temperature in 3rd district is that 226 ℃, pressure are 10MPa.
What be worth to propose is: the selection of the processing of above-mentioned coating, synthetic fiber modification, special-shaped cross spray silk and chemical fibre raw material, the optimal way that melt extruded is controlled have reached intensity, the comfortableness such as wet, soft is the special effect of the three to four-fold of alternate manner thoroughly.
Advantage of the present invention and effect can not only overcome the deficiencies in the prior art, the post processing of finalizing the design of the not needs that can realize meeting high-grade stratiform screen cloth, and operation is saved in environmental protection, increases added value.
The specific embodiment
Below in conjunction with the specific embodiment, further set forth the present invention.
Embodiment 1:
A kind of high-strength wet through compiling the stratiform screen cloth based on the mixed type chemical fibre, it is characterized in that, should comprise at least through compiling the stratiform screen cloth that ground floor contained tricot and the 3rd layer of three dimensional fabric through the three-decker of the tricot that contains the modification chemical fibre of coating processing that the tricot of modification chemical fibre, the second layer are processed through coating based on the high-strength wet of mixed type chemical fibre; Wherein, tricot and the second layer that ground floor contains the modification chemical fibre interweave by the nylon fiber that is provided with the hygroscopic coatings processing between the tricot that coating is processed, and tricot and the 3rd layer of tricot that contains the modification chemical fibre of processing through coating that the second layer is processed through coating interweave by the polyster fibre that is provided with described hygroscopic coatings processing.
Embodiment 2:
A kind of high-strength wet through compiling the stratiform screen cloth based on the mixed type chemical fibre, it is characterized in that, should comprise at least through compiling the stratiform screen cloth that ground floor contained tricot and the 3rd layer of three dimensional fabric through the three-decker of the tricot that contains the modification chemical fibre of coating processing that the tricot of modification chemical fibre, the second layer are processed through coating based on the high-strength wet of mixed type chemical fibre; Wherein, tricot and the second layer that ground floor contains the modification chemical fibre interweave by the nylon fiber that is provided with the hygroscopic coatings processing between the tricot that coating is processed, and tricot and the 3rd layer of tricot that contains the modification chemical fibre of processing through coating that the second layer is processed through coating interweave by the polyster fibre that is provided with described hygroscopic coatings processing; Described high-strength wet three-decker through compiling the stratiform screen cloth based on the mixed type chemical fibre gets by following step preparation successively:
Step 1: ground floor contains the preparation of the tricot of modification chemical fibre, and this modification chemical fibre gets blend as cortex take polyester as sandwich layer take polyester, cellulose esters and water-soluble modified polymer resin; The distribution duct that the sandwich layer melt of extruding through two single-screw extrusion machines respectively and cortex melt are 2:3 by Length Ratio respectively enters composite special-shaped filament spinning component, and two kinds of melts are respectively through obtaining this modification chemical fibre by the abnormal-shape spinneret plate that is evenly distributed with cross cross section spinneret orifice after the measuring pump accurate measurement separately; Wherein, the single-screw extrusion machine of melting sandwich layer melt divides two district's temperature-control pressure-controls, and the temperature in a district is that 265-268 ℃, pressure are 12 ± 0.5MPa; The temperature in 2nd district is that 255-258 ℃, pressure are 13 ± 0.5MPa; The single-screw extrusion machine of melting cortex melt divides three district's temperature-control pressure-controls, and the temperature in a district is that 195-197 ℃, pressure are 10MPa; The temperature in 2nd district is that 205-207 ℃, pressure are 9MPa; The temperature in 3rd district is that 225-227 ℃, pressure are 10MPa; Then obtain by abnormal-shape spinneret plate the tricot that this modification chemical fibre braiding ground floor contains the modification chemical fibre, wherein, the tricot that this ground floor contains the modification chemical fibre adopts 22 line braidings, knitting needle to classify a high position as and even number is classified low level as separately at odd number, produce ultra-thin mesh tissue, in each mesh, article two, relative limit is made of the wale of warp knitting fabrics, and another two limits are made of the underlap of wale, and the area of each mesh is 0.018 square millimeter;
Step 2: the second layer is through the preparation of the tricot of coating processing, modification chemical fibre take raw fiber as above-mentioned steps in one, adopt 31 line braidings, knitting needle odd number to classify a high position and even number as and classify the room as and weave separately tricot, the tricot cloth cover after braiding produces two every two ultra-thin fine texture; Then polyurethane particles, hydrophilic chain extender, organic solvent are put into the microwave electromagnetic shaker simultaneously, be that 45～47 ℃ of lower uniform stirrings obtain the homogeneous mixed solution after 15 minutes in temperature, wherein the weight ratio that adds of polyurethane particles, hydrophilic chain extender, organic solvent is 1:1.5:7, homogeneous mixed solution in described step 2 evenly is coated on the tricot of above-mentioned ultra-thin fine texture, then carry out 30～33 ℃ of low temperature dryings, namely get the tricot that the second layer is processed through coating;
step 3: the 3rd layer of preparation through the tricot that contains the modification chemical fibre of coating processing, with polyurethane particles, hydrophilic chain extender, organic solvent is put into the microwave electromagnetic shaker simultaneously, be that 45～47 ℃ of lower uniform stirrings obtain the homogeneous mixed solution after 15 minutes in temperature, polyurethane particles wherein, hydrophilic chain extender, the weight ratio that adds of organic solvent is 1:1:9, the ground floor that homogeneous mixed solution in described step 3 evenly is coated to above-mentioned steps one contains on the tricot of modification chemical fibre, then carry out 30～33 ℃ of low temperature dryings, namely get the 3rd layer of tricot that contains the modification chemical fibre of processing through coating.
Embodiment 3:
A kind of high-strength wet through compiling the stratiform screen cloth based on the mixed type chemical fibre, it is characterized in that, should comprise at least through compiling the stratiform screen cloth that ground floor contained tricot and the 3rd layer of three dimensional fabric through the three-decker of the tricot that contains the modification chemical fibre of coating processing that the tricot of modification chemical fibre, the second layer are processed through coating based on the high-strength wet of mixed type chemical fibre; Wherein, tricot and the second layer that ground floor contains the modification chemical fibre interweave by the nylon fiber that is provided with the hygroscopic coatings processing between the tricot that coating is processed, and tricot and the 3rd layer of tricot that contains the modification chemical fibre of processing through coating that the second layer is processed through coating interweave by the polyster fibre that is provided with described hygroscopic coatings processing; Described high-strength wet three-decker through compiling the stratiform screen cloth based on the mixed type chemical fibre gets by following step preparation successively:
Step 1: ground floor contains the preparation of the tricot of modification chemical fibre, and this modification chemical fibre gets blend as cortex take polyester as sandwich layer take polyester, cellulose esters and water-soluble modified polymer resin; The distribution duct that the sandwich layer melt of extruding through two single-screw extrusion machines respectively and cortex melt are 2:3 by Length Ratio respectively enters composite special-shaped filament spinning component, and two kinds of melts are respectively through obtaining this modification chemical fibre by the abnormal-shape spinneret plate that is evenly distributed with cross cross section spinneret orifice after the measuring pump accurate measurement separately; Wherein, the single-screw extrusion machine of melting sandwich layer melt divides two district's temperature-control pressure-controls, and the temperature in a district is that 265-268 ℃, pressure are 12 ± 0.5MPa; The temperature in 2nd district is that 257 ℃, pressure are 13 ± 0.5MPa; The single-screw extrusion machine of melting cortex melt divides three district's temperature-control pressure-controls, and the temperature in a district is that 196 ℃, pressure are 10MPa; The temperature in 2nd district is that 205-207 ℃, pressure are 9MPa; The temperature in 3rd district is that 225-227 ℃, pressure are 10MPa; Then obtain by abnormal-shape spinneret plate the tricot that this modification chemical fibre braiding ground floor contains the modification chemical fibre, wherein, the tricot that this ground floor contains the modification chemical fibre adopts 22 line braidings, knitting needle to classify a high position as and even number is classified low level as separately at odd number, produce ultra-thin mesh tissue, in each mesh, article two, relative limit is made of the wale of warp knitting fabrics, and another two limits are made of the underlap of wale, and the area of each mesh is 0.018 square millimeter;
Step 2: the second layer is through the preparation of the tricot of coating processing, modification chemical fibre take raw fiber as above-mentioned steps in one, adopt 31 line braidings, knitting needle odd number to classify a high position and even number as and classify the room as and weave separately tricot, the tricot cloth cover after braiding produces two every two ultra-thin fine texture; Then polyurethane particles, hydrophilic chain extender, organic solvent are put into the microwave electromagnetic shaker simultaneously, be that 45～47 ℃ of lower uniform stirrings obtain the homogeneous mixed solution after 15 minutes in temperature, wherein the weight ratio that adds of polyurethane particles, hydrophilic chain extender, organic solvent is 1:1.5:7, homogeneous mixed solution in described step 2 evenly is coated on the tricot of above-mentioned ultra-thin fine texture, then carry out 30～33 ℃ of low temperature dryings, namely get the tricot that the second layer is processed through coating;
step 3: the 3rd layer of preparation through the tricot that contains the modification chemical fibre of coating processing, with polyurethane particles, hydrophilic chain extender, organic solvent is put into the microwave electromagnetic shaker simultaneously, be that 45～47 ℃ of lower uniform stirrings obtain the homogeneous mixed solution after 15 minutes in temperature, polyurethane particles wherein, hydrophilic chain extender, the weight ratio that adds of organic solvent is 1:1:9, the ground floor that homogeneous mixed solution in described step 3 evenly is coated to above-mentioned steps one contains on the tricot of modification chemical fibre, then carry out 30～33 ℃ of low temperature dryings, namely get the 3rd layer of tricot that contains the modification chemical fibre of processing through coating.
Embodiment 4:
A kind of high-strength wet through compiling the stratiform screen cloth based on the mixed type chemical fibre, it is characterized in that, should comprise at least through compiling the stratiform screen cloth that ground floor contained tricot and the 3rd layer of three dimensional fabric through the three-decker of the tricot that contains the modification chemical fibre of coating processing that the tricot of modification chemical fibre, the second layer are processed through coating based on the high-strength wet of mixed type chemical fibre; Wherein, tricot and the second layer that ground floor contains the modification chemical fibre interweave by the nylon fiber that is provided with the hygroscopic coatings processing between the tricot that coating is processed, and tricot and the 3rd layer of tricot that contains the modification chemical fibre of processing through coating that the second layer is processed through coating interweave by the polyster fibre that is provided with described hygroscopic coatings processing; Described high-strength wet three-decker through compiling the stratiform screen cloth based on the mixed type chemical fibre gets by following step preparation successively:
Step 1: ground floor contains the preparation of the tricot of modification chemical fibre, and this modification chemical fibre gets blend as cortex take polyester as sandwich layer take polyester, cellulose esters and water-soluble modified polymer resin; The distribution duct that the sandwich layer melt of extruding through two single-screw extrusion machines respectively and cortex melt are 2:3 by Length Ratio respectively enters composite special-shaped filament spinning component, and two kinds of melts are respectively through obtaining this modification chemical fibre by the abnormal-shape spinneret plate that is evenly distributed with cross cross section spinneret orifice after the measuring pump accurate measurement separately; Wherein, the single-screw extrusion machine of melting sandwich layer melt divides two district's temperature-control pressure-controls, and the temperature in a district is that 265-268 ℃, pressure are 12 ± 0.5MPa; The temperature in 2nd district is that 257 ℃, pressure are 13 ± 0.5MPa; The single-screw extrusion machine of melting cortex melt divides three district's temperature-control pressure-controls, and the temperature in a district is that 196 ℃, pressure are 10MPa; The temperature in 2nd district is that 205-207 ℃, pressure are 9MPa; The temperature in 3rd district is that 225-227 ℃, pressure are 10MPa; Then obtain by abnormal-shape spinneret plate the tricot that this modification chemical fibre braiding ground floor contains the modification chemical fibre, wherein, the tricot that this ground floor contains the modification chemical fibre adopts 22 line braidings, knitting needle to classify a high position as and even number is classified low level as separately at odd number, produce ultra-thin mesh tissue, in each mesh, article two, relative limit is made of the wale of warp knitting fabrics, and another two limits are made of the underlap of wale, and the area of each mesh is 0.018 square millimeter;
Step 2: the second layer is through the preparation of the tricot of coating processing, modification chemical fibre take raw fiber as above-mentioned steps in one, adopt 31 line braidings, knitting needle odd number to classify a high position and even number as and classify the room as and weave separately tricot, the tricot cloth cover after braiding produces two every two ultra-thin fine texture; Then polyurethane particles, hydrophilic chain extender, organic solvent are put into the microwave electromagnetic shaker simultaneously, be that 45～47 ℃ of lower uniform stirrings obtain the homogeneous mixed solution after 15 minutes in temperature, wherein the weight ratio that adds of polyurethane particles, hydrophilic chain extender, organic solvent is 1:1.5:7, homogeneous mixed solution in described step 2 evenly is coated on the tricot of above-mentioned ultra-thin fine texture, then carry out 30～33 ℃ of low temperature dryings, namely get the tricot that the second layer is processed through coating;
step 3: the 3rd layer of preparation through the tricot that contains the modification chemical fibre of coating processing, with polyurethane particles, hydrophilic chain extender, organic solvent is put into the microwave electromagnetic shaker simultaneously, be that 45～47 ℃ of lower uniform stirrings obtain the homogeneous mixed solution after 15 minutes in temperature, polyurethane particles wherein, hydrophilic chain extender, the weight ratio that adds of organic solvent is 1:1:9, the ground floor that homogeneous mixed solution in described step 3 evenly is coated to above-mentioned steps one contains on the tricot of modification chemical fibre, then carry out 30～33 ℃ of low temperature dryings, namely get the 3rd layer of tricot that contains the modification chemical fibre of processing through coating, the single-screw extrusion machine of described melting sandwich layer melt divides two district's temperature-control pressure-controls, and the temperature in a district is that 267 ℃, pressure are 12MPa, the temperature in 2nd district is that 257 ℃, pressure are 13MPa, the single-screw extrusion machine of melting cortex melt divides three district's temperature-control pressure-controls, and the temperature in a district is that 196 ℃, pressure are 10MPa, the temperature in 2nd district is that 206 ℃, pressure are 9MPa, the temperature in 3rd district is that 226 ℃, pressure are 10MPa.
The present invention is not limited to above-mentioned specific embodiment, is not deviating under spirit of the present invention and real situation thereof, and the those skilled in the art can make according to the present invention various corresponding changes and distortion.Within these corresponding changes and distortion all should belong to the protection domain of claims of the present invention.
Claims (3)
1. one kind is wet through compiling the stratiform screen cloth based on the high-strength of mixed type chemical fibre, it is characterized in that, should comprise at least through compiling the stratiform screen cloth that ground floor contained tricot and the 3rd layer of three dimensional fabric through the three-decker of the tricot that contains the modification chemical fibre of coating processing that the tricot of modification chemical fibre, the second layer are processed through coating based on the high-strength wet of mixed type chemical fibre; Wherein, tricot and the second layer that ground floor contains the modification chemical fibre interweave by the nylon fiber that is provided with the hygroscopic coatings processing between the tricot that coating is processed, and tricot and the 3rd layer of tricot that contains the modification chemical fibre of processing through coating that the second layer is processed through coating interweave by the polyster fibre that is provided with described hygroscopic coatings processing.
2. the high-strength wet preparation method through volume stratiform screen cloth based on the mixed type chemical fibre according to claim 1, is characterized in that, described high-strength wet three-decker through compiling the stratiform screen cloth based on the mixed type chemical fibre gets by following step preparation successively:
Step 1: ground floor contains the preparation of the tricot of modification chemical fibre, and this modification chemical fibre gets blend as cortex take polyester as sandwich layer take polyester, cellulose esters and water-soluble modified polymer resin; The distribution duct that the sandwich layer melt of extruding through two single-screw extrusion machines respectively and cortex melt are 2:3 by Length Ratio respectively enters composite special-shaped filament spinning component, and two kinds of melts are respectively through obtaining this modification chemical fibre by the abnormal-shape spinneret plate that is evenly distributed with cross cross section spinneret orifice after the measuring pump accurate measurement separately; Wherein, the single-screw extrusion machine of melting sandwich layer melt divides two district's temperature-control pressure-controls, and the temperature in a district is that 265-268 ℃, pressure are 12 ± 0.5MPa; The temperature in 2nd district is that 255-258 ℃, pressure are 13 ± 0.5MPa; The single-screw extrusion machine of melting cortex melt divides three district's temperature-control pressure-controls, and the temperature in a district is that 195-197 ℃, pressure are 10MPa; The temperature in 2nd district is that 205-207 ℃, pressure are 9MPa; The temperature in 3rd district is that 225-227 ℃, pressure are 10MPa; Then obtain by abnormal-shape spinneret plate the tricot that this modification chemical fibre braiding ground floor contains the modification chemical fibre, wherein, the tricot that this ground floor contains the modification chemical fibre adopts 22 line braidings, knitting needle to classify a high position as and even number is classified low level as separately at odd number, produce ultra-thin mesh tissue, in each mesh, article two, relative limit is made of the wale of warp knitting fabrics, and another two limits are made of the underlap of wale, and the area of each mesh is 0.018 square millimeter;
Step 2: the second layer is through the preparation of the tricot of coating processing, modification chemical fibre take raw fiber as above-mentioned steps in one, adopt 31 line braidings, knitting needle odd number to classify a high position and even number as and classify the room as and weave separately tricot, the tricot cloth cover after braiding produces two every two ultra-thin fine texture; Then polyurethane particles, hydrophilic chain extender, organic solvent are put into the microwave electromagnetic shaker simultaneously, be that 45～47 ℃ of lower uniform stirrings obtain the homogeneous mixed solution after 15 minutes in temperature, wherein the weight ratio that adds of polyurethane particles, hydrophilic chain extender, organic solvent is 1:1.5:7, homogeneous mixed solution in described step 2 evenly is coated on the tricot of above-mentioned ultra-thin fine texture, then carry out 30～33 ℃ of low temperature dryings, namely get the tricot that the second layer is processed through coating;
step 3: the 3rd layer of preparation through the tricot that contains the modification chemical fibre of coating processing, with polyurethane particles, hydrophilic chain extender, organic solvent is put into the microwave electromagnetic shaker simultaneously, be that 45～47 ℃ of lower uniform stirrings obtain the homogeneous mixed solution after 15 minutes in temperature, polyurethane particles wherein, hydrophilic chain extender, the weight ratio that adds of organic solvent is 1:1:9, the ground floor that homogeneous mixed solution in described step 3 evenly is coated to above-mentioned steps one contains on the tricot of modification chemical fibre, then carry out 30～33 ℃ of low temperature dryings, namely get the 3rd layer of tricot that contains the modification chemical fibre of processing through coating.
3. according to claim 2ly it is characterized in that through compiling the preparation method of stratiform screen cloth based on the high-strength wet of mixed type chemical fibre, the single-screw extrusion machine of described melting sandwich layer melt divides two district's temperature-control pressure-controls, and the temperature in a district is that 267 ℃, pressure are 12MPa; The temperature in 2nd district is that 257 ℃, pressure are 13MPa; The single-screw extrusion machine of melting cortex melt divides three district's temperature-control pressure-controls, and the temperature in a district is that 196 ℃, pressure are 10MPa; The temperature in 2nd district is that 206 ℃, pressure are 9MPa; The temperature in 3rd district is that 226 ℃, pressure are 10MPa.
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| CN106192188B (en) * | 2016-07-05 | 2017-10-20 | 福建省晋江市华宇织造有限公司 | A kind of four-dimensional screen cloth and its processing method |
| CN106120137B (en) * | 2016-07-05 | 2017-08-25 | 福建省晋江市华宇织造有限公司 | Warp-knitted spacer fabric composite sole |
| CN111155232B (en) * | 2019-12-27 | 2021-08-10 | 福建省锋源盛纺织科技有限公司 | Mesh cloth with good thermal insulation performance and preparation method thereof |
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| BR9609225A (en) * | 1995-05-25 | 1999-06-15 | Minnesota Mining & Mfg | Multicomponent thermoplastic filament bicomponent thermoplastic filaments filament structure mat abrasive article process of obtaining multicomponent filament |
| ES2332254B1 (en) * | 2008-01-23 | 2010-10-25 | Juan Manuel Aloy Font | FABRIC AND PROCEDURE FOR OBTAINING THE SAME. |
| CN101864638A (en) * | 2009-07-30 | 2010-10-20 | 福建省晋江市华宇织造有限公司 | Three-layered net cloth having excellent moisture absorption property |
| CN101858012A (en) * | 2009-07-30 | 2010-10-13 | 福建省晋江市华宇织造有限公司 | Three-layer mesh fabric for improving performance of moisture absorption |
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