CN113026383B - Printing process of chinlon camouflage fabric and production processing method of fabric - Google Patents
Printing process of chinlon camouflage fabric and production processing method of fabric Download PDFInfo
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
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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
- D06N3/0015—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
- D06N3/0034—Polyamide fibres
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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
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
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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
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
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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
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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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
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/145—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes two or more layers of polyurethanes
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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
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/146—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the macromolecular diols used
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/24—Polyamides; Polyurethanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/24—Polyamides; Polyurethanes
- D06P3/243—Polyamides; Polyurethanes using vat or sulfur dyes, indigo
Abstract
The invention relates to a printing process of a polyamide camouflage fabric and a production and processing method of the fabric. The processing method comprises a coating finishing process, wherein the waterproof sizing back fabric printed with camouflage colors is subjected to coating finishing, and a flame-retardant coating is finished according to the sequence of firstly blade-coating primer, calendaring, then blade-coating middle-size adhesive and finally blade-coating face-size adhesive; when the primer is coated, the temperature of the oven is controlled to be close to the temperature of the cross-linking agent in the primer formula, the vehicle speed is regulated, toluene in the polyurethane glue is completely volatilized, the primer reaches a drying state, but part of the cross-linking agent is not completely reacted to form a net structure, the primer is more extruded into yarn gaps of the fabric during the subsequent rolling, and the cross-linking agent is further reacted with the polyurethane glue to complete the curing process. The color fastness of the fabric is stable, and the phenomenon of deep color migration is reduced. The production and processing method meets the use requirements of novel equipment such as carrying tools, bulletproof vests and the like.
Description
1. Field of the invention
The invention relates to the technical field of production of nylon camouflage color camouflage flame-retardant fabrics, in particular to a printing process of a nylon camouflage color camouflage fabric and a production and processing method of the fabric, and particularly relates to a high-strength nylon camouflage color camouflage flame-retardant fabric.
2. Background of the invention
The traditional tent, luggage, carrying tools, airplane covering cloth and weapon packaging materials mainly use terylene, developed countries such as Europe and America mainly use chinlon, and the terylene materials are widely applied to the fields of civil use and military industry, are equivalent to the chinlon in dyeing property, solarization and mechanical property, but have outstanding advantages in light weight, high strength, wear resistance, elasticity and environment resistance.
The existing carrying tools, operation vests, kettle bags and other loaded materials are produced according to the standard of a combined type individual carrying tool of 1000D terylene standard GJB6801-2009, troops propose to develop an individual comprehensive protection system, require the system to improve the equipment level and reduce the equipment gap with developed countries, the carrying tool canvas materials adopt domestic nylon to replace the traditional terylene materials, domestic medium-sized fiber is taken as a representative for improving the technology and optimizing equipment of civil enterprises, domestic nylon 66 industrial yarns are developed, the comprehensive performance exceeds the domestic advanced level, the domestic case yarns are developed by the medium-sized fiber and Beijing Bangbu fiber company in 2016 years, the developed carrying tool materials are applied to 70-reading soldiers and national celebration reading soldiers twice, the materials are advanced and advanced in performance, and can completely replace the traditional English Widcurra materials.
The camouflage color camouflage is implemented by changing the color and spot patterns of a target by using paint, dye and other materials, and is mainly used for reducing the color difference between the target and a background so as to achieve the purposes of reducing the significance of the target and changing the appearance of the target. At present, the nylon camouflage printing mainly solves the visible light and near infrared camouflage by one or more of acid dyes, disperse dyes and coatings, but the self spectrum adjusting effect of the coatings is limited, although the disperse dyes can be used for coloring nylon fibers, the coloring mechanism of the disperse dyes is different from that of the acid dyes, ionic bond combination and covalent bond combination do not exist, the disperse dyes are completely dependent on molecular attraction between the disperse dyes and the nylon fibers for dyeing, the binding force is not strong, the deep color migration phenomenon is obvious, the heat migration quantity is in direct proportion to the depth of color, and the color fastness is extremely unstable. The camouflage paint or dye is urgently needed to be screened continuously, the process is optimized, and the camouflage level of equipment is improved.
In order to meet the strong requirements of army for changing clothes, the domesticated chinlon 66 is applied to the development of national defense equipment, the characteristics of light weight, wear resistance, high elasticity, low temperature resistance and the like of a chinlon material gradually replace the traditional polyester material, the wear resistance of the polyester material is poor, the hand feeling is hard, the low-temperature environment becomes brittle, the action coordination of soldiers is poor, and the impact with the equipment makes a sound, so that the development of the domesticated chinlon camouflage flame-retardant coating fabric material replaces the traditional polyester material, the development of the domesticated chinlon camouflage flame-retardant coating fabric material has the comprehensive performances of high strength, camouflage, water repellency, flame retardance, low temperature and the like, and the development of the equipment and the needs of the soldiers are very urgent.
3. Summary of the invention
Aiming at the defects of the traditional camouflage coating printed fabric at present, the printing process of the polyamide camouflage coating printed fabric and the production and processing method of the fabric are provided, the fabric obtained by the printing process has stable color fastness, can realize better printing effect on polyamide 66, and reduces the phenomenon of deep color migration. The product obtained by the production and processing method meets the use requirements of novel equipment such as carrying tools, bulletproof vests and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a printing process of a polyamide camouflage fabric, which is characterized in that camouflage color is printed, and reduction ash M is added into color paste of the camouflage color.
The camouflage color is formed by combining a plurality of colors, reducing ash M is added into color paste of each color, and the reducing ash M and a coating cooperate to adjust a spectral curve.
30-80g/L of adhesive, 5-6g/L of penetrating agent, 8-10g/L of cross-linking agent, 70-80g/L of urea and 8-9g/L of ammonium sulfate are also added into the color paste.
The adhesive has a self-crosslinking function, and can be selected from adhesive UDT, adhesive FS-480 or the like; the cross-linking agent can be selected from a cross-linking agent GS or a DF818 cross-linking agent and the like.
The camouflage color is desert type five-color camouflage or jungle type five-color camouflage, and the printing formula of the desert type five-color camouflage comprises the following components:
black consisting of black 2SLD, red NHF, reducing ash M and coating black SFBB,
brown color composed of black 2sld, yellow NHF, red NHF, reducing gray M, and coating black SFBB,
black 2sld, yellow NHF, red NHF, reducing grey M, coating black SFBB,
yellow NHF, red NHF, reducing ash M and coating black SFBB,
sandy soil color composed of black 2sld, yellow NHF, red NHF, and reducing gray M;
the printing formula of the forest type five-color camouflage comprises the following components:
black consisting of black 2sld, blue NHF, red NHF, yellow NHF, reducing gray M, coating black SFBB,
blue NHF, yellow NHF, reduced gray M, paint black SFBB, paint yellow KRC, paint blue KBC, black 2sld, yellow NHF, red NHF, reduced gray M, paint black SFBB,
blue NHF, yellow NHF, lanna pinkish red PA, reducing ash M and coating black SFBB,
black 2sld, blue NHF, yellow NHF, red H447, reducing grey M, paint black SFBB.
In a second aspect, the invention provides a production and processing method of a high-strength polyamide camouflage flame-retardant fabric, and the processing method applies the printing process.
The specific process of the processing method is as follows:
1) And (3) yarn space-variant: selecting nylon 66 high-strength industrial yarn, and carrying out air texturing finishing on the yarn;
2) Weaving gray fabric: weaving the space-variant yarns in the step 1) into plain weave;
3) Pretreating gray fabric: performing cold piling, open washing, sizing and weft straightening on the grey cloth in the step 2) to obtain white scouring cloth before printing;
4) Printing: conveying the white cloth obtained in the step 3) to a rotary screen printing machine to finish a printing process;
5) Baking and steaming: feeding the printed cloth in the step 4) into a baking machine, enabling the paint in the printing formula to react with the adhesive and/or the cross-linking agent, baking at the working temperature of 150-160 ℃ for 40-90s, and then feeding into a long-ring steamer for steaming and color development at the temperature of 102-105 ℃, wherein the steaming time is as follows: 20-35 minutes;
6) Soaping and color fixing: feeding the fabric steamed in the step 5) into an open width washing machine, washing with water at 50 ℃, soaping at 60 ℃, and then reinforcing the temperature of a toner to 50 ℃; adding 15-20g/L of nylon color fixing agent and 3-4g/L of glacial acetic acid during soaping;
7) Shaping with clear water: controlling the temperature of washing and shaping to be 175-180 ℃ and the vehicle speed to be 40-50m/min;
8) Waterproof calendering finishing: putting the fabric obtained in the step 7) on a setting machine for waterproofing, and calendaring; wherein, the waterproofing agent is added with an organic silicon tearing promoting agent, wherein the calendering temperature is 160-190 ℃, the pressure is 9-11MPA, the vehicle speed is 10-15m/min, the calendering effect requires that the calendering surface has no outstanding hairiness, and the pressure, the temperature or the calendering frequency can be increased;
9) Coating finishing: and (3) feeding the calendered fabric obtained in the step 8) into a blade coating type coating machine, and finishing the flame-retardant coating according to the process of primer, middle glue and surface glue.
The third aspect of the invention provides a production processing method of a high-strength polyamide camouflage flame-retardant fabric, which comprises a coating finishing process, wherein the coating finishing process is carried out on the waterproof sizing back fabric printed with camouflage colors, and the flame-retardant coating is finished according to the sequence of primer blade coating, calendering, then middle glue blade coating and finally face glue blade coating; when the primer is coated, the temperature of the oven is controlled to be close to the temperature of the cross-linking agent in the primer formula, the vehicle speed is regulated and controlled, toluene in the polyurethane glue is completely volatilized, the primer reaches a drying state, but part of the cross-linking agent is not completely reacted to form a net structure, the primer can be more extruded into yarn gaps of the fabric during the subsequent rolling, and the cross-linking agent is further reacted with the polyurethane glue to complete the curing process.
In the coating finishing procedure, the technical formula of the base glue and the middle glue comprises the following components in parts by mass: 100kg of two-component polyether type polyurethane (wherein the solid content of the two-component polyether type polyurethane PU is 50 percent, and the balance is toluene), 100kg of flame retardant powder, 60kg of toluene, 4-6kg of cross-linking agent and 3-4kg of accelerant, wherein the two-component polyether type polyurethane, the flame retardant powder and the toluene are added according to the proportion in the preparation process and are fully stirred, uniformly stirred, cooled and added with the cross-linking agent and the accelerant;
the technical formula of the face glue comprises the following components in parts by mass: 100kg of single-component polyether urethane (wherein the solid content of PU of the single-component polyether urethane is 50 percent, and the balance is toluene), 60kg of toluene and 4-6kg of anti-sticking agent; the specific scraping and coating process is as follows:
1) Primer coating: the coating speed is 30-35m/min, the oven temperature is 125-140 ℃, and the dry weight of the coated materials is increased by 50-60g/m 2 Wherein the boiling point of the toluene is 110.6 ℃, and the reaction temperature of the cross-linking agent and the promoter is 130-140 ℃;
2) And (3) calendering and finishing: after scraping and coating the primer, calendering at the calendering pressure of 10MPa and the temperature of 140-150 ℃ and the vehicle speed of 20m/min to extrude the primer into the thickness of 1/5-2/5 of the yarn gap of the sizing fabric, and finishing the process of crosslinking and curing;
3) And (3) medium sizing: coating at a speed of 23-25m/min and a temperature of 140-150 ℃, and increasing the dry weight of the fabric by 30-40g/m2 on the basis of the step 2);
4) Surface glue: coating at 20-25m/min and drying at 130-150 deg.C, and controlling weight gain at 10-20g/m based on step 3) 2 。
The crosslinking agent is amino crosslinking agents, and melamine resin and the like can be selected; the accelerator is acidic polyether amine and the like, and the curing reaction temperature of the cross-linking agent and the accelerator is 130-140 ℃; the flame-retardant powder comprises at least one of decabromodiphenylethane, antimony trioxide and bromotriazine; the anti-sticking agent comprises 2-3kg of silicon dioxide and 2-3kg of matting powder; preferably, the crosslinking agent is a melamine resin; preferably, the flame retardant powder contains a mixture of decabromodiphenylethane, antimony trioxide and bromotriazine, and the mass ratio of the decabromodiphenylethane to the antimony trioxide to the bromotriazine is (7).
The anti-sticking agent is a mixture of 2-3kg of silicon dioxide and 2-3kg of matting powder, and can improve the anti-sticking and temperature-resistant effects of the flour glue. Compared with the prior art, the invention has the beneficial effects that:
according to the printing process of the chinlon camouflage fabric, the reducing ash M is introduced to replace the traditional disperse dye to adjust the spectrum, on one hand, the reducing ash M is not colored under an acidic condition and can cooperate with a coating to meet the spectrum requirement, and on the other hand, the selected reducing ash has good absorption performance on infrared rays, the wavelength of the spectrum curve is 680-750nm, the spectrum curve is close to that of green leaves, the infrared camouflage can be prevented, the reducing ash can adjust the spectrum reflection value, the reducing ash interacts with other dyes, and the composite dyeing is realized. The method avoids the problems that when the traditional camouflage is carried out by adopting disperse dyes and paints in 680-1200nm thermal infrared bands, the disperse dyes are added in the high-temperature baking process, part of the disperse dyes enter the nylon fibers for coloring, the dye-uptake cannot be accurately controlled, the color migration phenomenon is obvious, the spectral curve fluctuation is large, and therefore, the spectrum is adjusted by introducing the reduced grey M dye to replace the disperse dyes and cooperating with the paints. And the reduced grey dye is not colored in neutral and acidic environments, has no color migration phenomenon, is more stable in spectrum than a disperse dye under the same condition, and is more accurate in formula control.
The fabric obtained by the printing process can meet the requirements of tactical technical indexes, and can meet the camouflage requirement of GJBB7927 spectral characteristic, the visible light (380 nm-760 nm) of jungle type camouflage color and desert camouflage color, the comprehensive brightness coefficient of near infrared (760 nm-1200 nm) is not more than 0.2, and the ratio of the average value of the near infrared reflectivity of at least one green camouflage color to the average value of the visible light reflectivity is not less than 5.
The printing process realizes the printing of the five-color camouflage, has stronger environmental adaptability, wider application range and better camouflage effect, and well meets the requirement of military requirements.
The organic silicon tear resistance improver is added in the waterproof process of the production and processing method, the tear resistance of a finished product can be effectively improved, the subsequent coating process selects polyether Polyurethane (PU) to improve the low temperature resistance of the coating surface, the curing process of the cross-linking agent is optimized in the coating process, the introduced environment-friendly flame retardant has high bromine content, good thermal stability, good ultraviolet resistance and good flame retardant effect, replaces the traditional decabromodiphenyl ether, has certain toxicity, can improve the flame retardant effect of the fabric, has the flame retardant time requirement of the traditional 1000D polyester of not more than 8s, and increases the weight of the fabric by 150g/m 2 The requirement of the afterflame time of the invention is not more than 2s, and after the process is improved, the weight is increased by only 110g/m 2 The same flame-retardant requirement can be achieved, the nylon camouflage color camouflage fabric has lighter gram weight and better flame retardance,has the comprehensive properties of camouflage, water repellency, low temperature and the like, and meets the development requirement of new equipment.
4. Detailed description of the preferred embodiments
The present invention will be described in further detail with reference to the following examples, which should not be construed as limiting the scope of the present invention.
The invention relates to a production processing method of a high-strength chinlon camouflage painting flame-retardant fabric, which is characterized by comprising the following steps:
1) And (3) yarn space-variant: selecting high-strength nylon 66 industrial yarn, and carrying out ATY (air texturing yarn) air texturing treatment on the fiber;
2) Weaving gray fabric: weaving the space-variant yarns in the step 1) into plain yarns;
3) Pretreating gray fabric: and (3) performing cold piling, open washing, sizing and weft straightening on the grey cloth obtained in the step 2) to obtain the white scouring cloth before printing.
4) Printing: and (3) conveying the white cloth obtained in the step 3) to a rotary screen printing machine to finish a printing process, printing the camouflage color, and adding reducing ash M into color sizing of the camouflage color. The purpose of adding the reduction grey dye is that the infrared absorption of preventing of reduction grey M is effectual, and reduction dye does not color under acid environment moreover, attaches to the nylon fiber surface through the adhesive, can not take place the infiltration, and can not take place to sublimate, and the spectrum is stable, control content that can be accurate. The principle of the addition of the reducing ash is dependent on the requirements of the spectral values. The problems that the coloring amount is difficult to control, the dispersion proportion is not well adjusted, the operation is not easy and the like due to the adoption of the disperse dye for coloring are solved.
5) Baking and steaming: putting the printed cloth in the step 4) into a baking machine, enabling the paint in the printing formula to react with the adhesive and/or the cross-linking agent, baking at the working temperature of 150-160 ℃ for 40-90s, then putting the printed cloth into a long-ring steamer for steaming and color development at the temperature of 102-105 ℃, and steaming for: 20-35 minutes;
6) Soaping and color fixing, namely feeding the color fixing agent obtained in the step 5) into an open width washing machine, washing at 50 ℃, soaping at 60 ℃ and then fixing the color fixing agent at 50 ℃. And (3) adding 15-20g/L of nylon color fixing agent and 3-4g/L of glacial acetic acid during soaping to realize color fixing under an acidic condition.
7) Setting with clear water: finishing the shaping work of the fabric obtained in the step 6), wherein the temperature is 175-180 ℃, and the vehicle speed is 50m/min;
8) Waterproof calendering finishing: and (4) putting the fabric obtained in the step 7) into a setting machine for waterproofing, and calendaring for finishing. If the tearing strength of the fabric has special requirements, an organic silicon tearing promoting agent can be added into the waterproof agent; wherein the calendering temperature is 160-190 ℃, the pressure is 9-11MPA, the vehicle speed is 10-15m/min, the calendering effect requires that the calendering surface has no prominent hairiness, and the pressure or temperature or the calendering times can be increased.
9) Coating finishing: coating finishing is carried out on the waterproof setting back fabric printed with the camouflage color in the step 8), and the flame-retardant coating is finished according to the sequence of firstly blade coating of the primer, calendering, then blade coating of the middle glue and finally blade coating of the face glue; and (3) controlling the temperature of the oven to be close to the temperature of the cross-linking agent in the primer formula during primer blade coating, regulating and controlling the speed of the vehicle to ensure that the polyurethane glue is dried but the cross-linking agent is not completely reacted and cured, then extruding the polyurethane glue and the flame-retardant powder into the shaped fabric during rolling, and further reacting the cross-linking agent with the glue to complete the curing process.
The nylon 66 in the invention not only comprises high-strength yarn (the strength is not lower than 8.9 g/d), but also is suitable for common yarn.
Example 1
A production and processing method of a high-strength polyamide camouflage flame-retardant camouflage fabric comprises the following steps:
1. and (3) yarn space-variant: selecting 600D chinlon 66 high-strength industrial yarns, and carrying out air deformation finishing on the yarns;
2. weaving grey cloth: processing the space-variant yarns obtained in the step 1) into grey cloth.
3. Pretreatment of grey cloth: and (3) performing cold piling, open washing, sizing and weft straightening on the grey cloth obtained in the step 2) to obtain the white scouring cloth before printing.
4. Printing: conveying the white cloth obtained in the step 3) to a rotary screen printing machine to finish a printing process, wherein the dye formula is shown in table 1, and preparing desert type or jungle type camouflage, wherein substances in the surface are calculated according to the content of 1L of the total volume of each color paste;
5. baking and steaming: enabling the printed cloth in the step 4) to enter a baking machine, enabling the coating in the printing formula to react with the adhesive and the cross-linking agent, baking at the working temperature of 150 ℃ for 60s, and then entering a long-ring steamer to carry out steaming color development at the temperature of 103 ℃, and steaming time: 30 minutes;
6. soaping and color fixing, namely feeding the obtained product in the step 5) into an open width washing machine, washing at 50 ℃, soaping at 60 ℃, and then reinforcing the color agent at 50 ℃. And (3) adding 20g/L of nylon color fixing agent during soaping, and adding 4g/L of glacial acetic acid during soaping.
7. Shaping with clear water: and (3) finishing the shaping process of the fabric obtained in the step 6), wherein the temperature is 180 ℃, and the speed is 50m/min.
8. Waterproof calendering finishing: putting the fabric obtained in the step 7) into a setting machine for water proofing by 40g/L, and selecting TF-5025H; 2g/L of organic silicon softening agent can be added into the waterproof agent, and the mixture ratio is as follows: 1L of water contains 40g of waterproof agent and 2g of organic silicon softening agent, and the calendering process comprises the following steps: the pressure is 11Mpa, the temperature is 180 ℃, the speed is 10m/min, and the calendering is carried out for 1 time.
9. Coating finishing: putting the calendered fabric obtained in the step 8) into a blade coating type coating machine to finish coating,
a coating finishing process, namely performing coating finishing on the shaped fabric printed with the camouflage color, and finishing the flame-retardant coating according to the sequence of firstly performing blade coating on the primer, calendering, then performing blade coating on the middle glue and finally performing blade coating on the face glue;
the technical formula of the base glue and the middle glue comprises the following components in parts by mass: 100kg of double-component polyether polyurethane (with the solid content of 50 percent, which refers to the amount of the dissolved double-component polyether polyurethane by taking toluene as a solvent), 100kg of flame retardant powder, 60kg of toluene, 6kg of cross-linking agent and 4kg of accelerant, adding the double-component polyether polyurethane, the flame retardant powder and the toluene according to the proportion in the preparation process, stirring uniformly, cooling, and adding the cross-linking agent and the accelerant;
the technical formula of the face glue comprises the following components in percentage by mass: 100kg of single-component polyether urethane (50% of solid content, which refers to the amount of the single-component polyether urethane dissolved by using toluene as a solvent), 60kg of toluene, 2kg of silicon dioxide and 2kg of matting agent. The specific knife coating process was as follows:
1) Primer coating: after coating, the gram weight of the fabric is increased by 60g/m 2 Controlling the speed at 35m/min and the temperature at 130 ℃ to dry the rubber surface; wherein toluene has a boiling point of 110.6 ℃, a crosslinking agent and an acceleratorThe reaction temperature is 130-140 ℃;
2) And (3) calendering and finishing: after the primer is coated, calendering is carried out, the calendering pressure is 10MPa, the temperature is 140-150 ℃, the vehicle speed is 20m/min, the glue and the flame retardant powder are extruded into the sizing fabric with the thickness of 1/5-2/5, and the process of cross-linking agent reaction and solidification is completed;
3) And (3) medium sizing: the fabric weight is increased by 30g/m & lt 2 & gt, the middle glue and the bottom glue are the same, the coating speed is 24m/min, and the oven temperature is 145 ℃;
4) Surface glue: the weight gain is controlled to be 20g/m < 2 >, the drying temperature is 140 ℃, and the vehicle speed is 22m/min.
The cross-linking agent is amino cross-linking agent or melamine; the accelerant is acidic polyether, and the curing reaction temperature of the cross-linking agent and the accelerant is 130-140 ℃; the flame-retardant powder contains a mixture of decabromodiphenylethane, antimony trioxide and bromotriazine, and the proportion of the flame-retardant powder is 7.
The coating finishing process of the embodiment uses less flame retardant powder, the gram weight of the fabric is low, the cost is low, the flame retardant effect is good, and the weight reduction on the premise that the comprehensive performance meets the requirement can be realized.
Example 2
The nylon camouflage flame retardant fabric that excels in of this embodiment preparation, the range of fabric design warp and weft is arranged according to empty change yarn and protofilament 1 proportion, and after the protofilament empty change, single yarn intensity reduces, and the effect that the protofilament played the strengthening rib is introduced to this embodiment, can effectively improve and tear strong power. The rest of the process was the same as example 1.
TABLE 1 printing formulation
TABLE 2 comparison of the properties of the examples with conventional materials
Example 3:
the high-strength polyamide camouflage color camouflage flame-retardant fabric prepared by the embodiment changes the dye manufacturer and adjusts the process formula, introduces the reducing ash M, and still achieves a good camouflage color camouflage effect according to the printing formula in tables 3-4.
TABLE 3 desert type printing recipe
TABLE 4 forest type printing formulation
The other preparation process is the same as that of example 1.
Example 4:
the high-strength nylon camouflage flame-retardant fabric prepared in the embodiment has the same difference as that in the embodiment 1 in the flame-retardant powder ratio in the coating process, wherein the flame-retardant powder is a mixture containing decabromodiphenylethane and antimony trioxide, the mass ratio of the flame-retardant powder to the mixture is 7.
Example 5:
the high-strength polyamide camouflage flame-retardant fabric prepared in the embodiment has the same structure as that of embodiment 1, except that the flame-retardant powder proportion in the coating process is 6.
In conclusion, the invention develops the high-strength polyamide camouflage flame-retardant fabric, the camouflage color is formed by combining a plurality of colors, the color paste of each color is added with the reducing ash M, and the reducing ash M and the coating cooperate to adjust the spectral curve. The reduced grey M dye is adopted to replace the traditional disperse dye, the spectrum is stable, the phenomenon of colorless migration is avoided, the sun-drying effect is better under the same condition, and the single-color light-fastness is not lower than 5 grade. The production processing method of the invention optimizes the coating finishing process, the temperature of the oven is close to the reaction temperature of the bridging agent (cross-linking agent), so that the cross-linking agent is not completely cured when the primer is coated, the vehicle speed is adjusted in a matching way, the curing degree is controlled to reach 80-90%, the primer is completely cured by the next calendering process, the permeation amount of the flame retardant powder of the primer in the gaps on the surface of the nylon fabric is effectively controlled, and the purpose of greatly improving the flame retardant effect of the fabric on the premise of reducing the dosage of the flame retardant powder is achieved.
The curing process of the cross-linking agent is optimized in the coating process, the environment-friendly flame retardants of decabromodiphenyl ethane and bromotriazine are introduced, the bromine content is high, the thermal stability is good, the ultraviolet resistance is good, the flame retardant effect is good, the traditional decabromodiphenyl ether is replaced, and the decabromodiphenyl ether has certain toxicity and great pollution to the environment.
The fabric obtained by the production and processing method of the invention has light gram weight (the gram weight is 300-350 g/m) 2 ) Low temperature resistance and good wear resistance, the continuous burning time is less than 2s, the smoldering time is less than 2s, even reaching the smoldering time of 0s, the damage length is not more than 100mm, and the preferred damage length is 50-80mm; the waterproof effect is not lower than grade 4, and the dry and wet color fastness is not lower than grade 4-5. The light fastness is not lower than grade 5.
Nothing in this specification is said to apply to the prior art.
Claims (8)
1. A printing process of a chinlon camouflage color camouflage fabric is characterized in that the fabric is made of chinlon 66, camouflage colors are printed, reducing ash M is added into color paste of the camouflage colors, no other reducing dye is added, and the color paste of the camouflage colors is neutral or under an acidic condition; the camouflage color is formed by combining a plurality of colors, reducing ash M is added into color paste of each color, and the reducing ash M and the paint cooperate to adjust a spectral curve;
the reduced ash M is introduced to replace the traditional disperse dye to adjust the spectrum, on one hand, the reduced ash M is not colored under neutral and acidic conditions and can reach the spectrum requirement in cooperation with the coating, and on the other hand, the selected reduced ash M can adjust the spectrum reflection value and interacts with other dyes to realize composite dyeing; the reduced grey M dye is not colored in neutral and acidic environments, has no color migration phenomenon, is more stable in spectrum under the same condition than a disperse dye, and is more accurate in formula control;
the vat dye M is not colored under neutral and acid environment, is attached to the surface of the nylon fiber through the adhesive, cannot permeate and sublimate, has stable spectrum, and can accurately control the content.
2. The printing process according to claim 1, wherein 30-80g/L of adhesive, 5-6g/L of penetrating agent, 8-10g/L of cross-linking agent, 70-80g/L of urea and 8-9g/L of ammonium sulfate are also added in the color paste.
3. The printing process according to claim 2, characterized in that said binder has a self-crosslinking function, selected from binders UDT or FS-480; the cross-linking agent is selected from cross-linking agent GS or DF818 cross-linking agent.
4. The printing process according to claim 1, wherein the camouflage color is desert type five-color camouflage color or jungle type five-color camouflage color, and the desert type five-color camouflage color comprises the following printing formula:
black consisting of black 2SLD, red NHF, reducing ash M and coating black SFBB,
brown color composed of black 2sld, yellow NHF, red NHF, reducing gray M, and coating black SFBB,
black 2sld, yellow NHF, red NHF, reducing grey M, coating black SFBB,
yellow NHF, red NHF, reducing ash M, and coating black SFBB,
sand color composed of black 2sld, yellow NHF, red NHF, reducing grey M;
the printing formula of the forest type five-color camouflage comprises the following components:
black consisting of black 2sld, blue NHF, red NHF, yellow NHF, reducing gray M, coating black SFBB,
blue NHF, yellow NHF, reduced ash M, paint black SFBB, paint yellow KRC, paint blue KBC,
black 2sld, yellow NHF, red NHF, reducing grey M, coating black SFBB,
blue NHF, yellow NHF, blue nano free red PA, reducing ash M and paint black SFBB,
black 2sld, red NHF, blue NHF, yellow NHF, reducing gray M, coating black SFBB, red H447.
5. A production and processing method of a high-strength nylon camouflage painting flame-retardant fabric is characterized in that the printing process of any one of claims 1 to 4 is applied to the processing method.
6. The production and processing method of the high-strength chinlon camouflage painting flame-retardant fabric according to claim 5, characterized in that the specific process of the processing method is as follows:
1) And (3) yarn space-variant: selecting nylon 66 high-strength industrial yarn, and carrying out air texturing finishing on the yarn;
2) Weaving gray fabric: weaving the space-variant yarns in the step 1) into plain yarns;
3) Pretreating gray fabric: performing cold piling, open washing, sizing and weft straightening on the grey cloth in the step 2) to obtain white scouring cloth before printing;
4) Printing: conveying the white cloth obtained in the step 3) to a rotary screen printing machine to finish a printing process, and printing camouflage color;
5) Baking and steaming: putting the printed cloth in the step 4) into a baking machine, baking at the working temperature of 150-160 ℃ for 40-90s, and then putting the printed cloth into a long-ring steamer for steaming and color development at the temperature of 102-105 ℃, wherein the steaming time is as follows: 20-35 minutes;
6) Soaping and color fixing: feeding the fabric steamed in the step 5) into an open width washing machine, washing with water at 50 ℃, soaping at 60 ℃, and then reinforcing the temperature of a toner to 50 ℃; adding 15-20g/L of nylon color fixing agent and 3-4g/L of glacial acetic acid during soaping;
7) Shaping with clear water: controlling the temperature of washing and shaping to be 175-180 ℃ and the vehicle speed to be 40-50m/min;
8) Waterproof calendering finishing: putting the fabric obtained in the step 7) on a setting machine for waterproofing, and performing calendering treatment; wherein, the water-proof agent is added with an organic silicon tearing promoting agent, wherein the calendering temperature is 160-190 ℃, the pressure is 9-11MPa, the vehicle speed is 10-15m/min, and the calendering effect requires that the calendering surface has no outstanding hairiness;
9) Coating finishing: and (3) feeding the calendered fabric obtained in the step (8) into a blade coating type coating machine, and finishing the flame-retardant coating according to the processes of primer, medium glue and surface glue.
7. The production processing method of the high-strength polyamide camouflage painting flame-retardant fabric according to claim 6, characterized in that the coating finishing process comprises the steps of performing coating finishing on the waterproof calendered fabric printed with camouflage color, performing blade coating and calendering on primer, then performing blade coating on middle glue, and finally performing blade coating on face glue to finish the flame-retardant coating; controlling the temperature of an oven to be close to the temperature of a cross-linking agent in a primer formula during primer scraping, regulating and controlling the speed of the oven to enable toluene in polyurethane glue to be completely volatilized, enabling the primer to reach a drying state, but not enabling part of the cross-linking agent to be completely reacted to be formed into a net-shaped structure, extruding more primer into yarn gaps of the fabric during subsequent rolling, enabling the cross-linking agent to further react with the polyurethane glue and completing a curing process;
in the coating finishing procedure
The technical formula of the base glue and the middle glue comprises the following components in parts by mass: 100kg of two-component polyether polyurethane, 100kg of flame retardant powder, 60kg of toluene, 4-6kg of cross-linking agent and 3-4kg of accelerant, wherein the solid content of the two-component polyether polyurethane PU is 50%, and the balance is toluene; in the preparation process, adding the two-component polyether polyurethane, the flame retardant powder and the toluene according to the proportion, fully stirring, uniformly stirring, cooling, and adding the cross-linking agent and the accelerator;
the technical formula of the face glue comprises the following components in percentage by mass: 100kg of single-component polyether polyurethane, 60kg of methylbenzene and 4-6kg of an anti-sticking agent, wherein the solid content of PU of the single-component polyether polyurethane is 50 percent, and the balance is the methylbenzene; the specific blade coating process is as follows:
1) Primer coating: coating speed of 30-35m/min, oven temperature of 125-140 ℃, dry weight increase of 50-60g/m of the coated materials,
2) And (3) calendering and finishing: after scraping and coating the primer, calendering at the calendering pressure of 10MPa and the temperature of 140-150 ℃ and the vehicle speed of 20m/min to extrude the primer into the thickness of 1/5-2/5 of the yarn gap of the sizing fabric, and finishing the process of crosslinking and curing;
3) And (3) medium sizing: coating speed is 23-25m/min, oven temperature is 140-150 ℃, and dry weight of fabric is increased by 30-40g/m on the basis of the step 2);
4) Surface glue: coating speed is 20-25m/min, drying temperature is 130-150 ℃, weight gain is controlled to be 10-20g/m on the basis of the step 3);
the crosslinking agent is amino crosslinking agent, the accelerator is acid polyether amine, and the curing reaction temperature of the crosslinking agent and the accelerator is 130-140 ℃; the flame-retardant powder comprises at least one of decabromodiphenylethane, antimony trioxide and bromotriazine; the anti-sticking agent comprises 2-3kg of silicon dioxide and 2-3kg of matting powder;
the fabric obtained by the production processing method has the advantages that the afterflame time is less than 2s, the smoldering time is less than 2s, the damage length is not more than 100mm, and the low-temperature impact resistance is-40 ℃ and has no crack or crazing.
8. The production and processing method of the high-strength chinlon camouflage painting flame retardant fabric as claimed in claim 7, wherein the cross-linking agent in the coating finishing process is melamine resin; the flame-retardant powder in the coating finishing procedure contains a mixture of decabromodiphenylethane, antimony trioxide and bromotriazine, and the mass ratio of the decabromodiphenylethane to the antimony trioxide to the bromotriazine is 7.
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| CN103541232A (en) * | 2013-09-30 | 2014-01-29 | 咸阳际华新三零印染有限公司 | Nylon camouflage fabric preparation process |
| CN110565416A (en) * | 2019-09-23 | 2019-12-13 | 际华三五四二纺织有限公司 | printing process for flame-retardant fabric with high aramid fiber content |
| CN112111980A (en) * | 2020-09-18 | 2020-12-22 | 苏州红旭新材料科技有限公司 | Manufacturing method of far infrared ray-proof flame-retardant fabric |
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| DE10238890A1 (en) * | 2002-08-24 | 2004-03-18 | Dystar Textilfarben Gmbh & Co. Deutschland Kg | Textile, dyed fiber material and its use in the manufacture of camouflage articles |
| CN102628226B (en) * | 2012-04-16 | 2014-04-16 | 盛虹集团有限公司 | Process for printing far infrared detection prevention camouflage fabric |
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| CN103541232A (en) * | 2013-09-30 | 2014-01-29 | 咸阳际华新三零印染有限公司 | Nylon camouflage fabric preparation process |
| CN110565416A (en) * | 2019-09-23 | 2019-12-13 | 际华三五四二纺织有限公司 | printing process for flame-retardant fabric with high aramid fiber content |
| CN112111980A (en) * | 2020-09-18 | 2020-12-22 | 苏州红旭新材料科技有限公司 | Manufacturing method of far infrared ray-proof flame-retardant fabric |
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