CN112878071B - Polyamide flame-retardant camouflage color camouflage ribbon - Google Patents
Polyamide flame-retardant camouflage color camouflage ribbon Download PDFInfo
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- CN112878071B CN112878071B CN202110258866.2A CN202110258866A CN112878071B CN 112878071 B CN112878071 B CN 112878071B CN 202110258866 A CN202110258866 A CN 202110258866A CN 112878071 B CN112878071 B CN 112878071B
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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
- D06P3/241—Polyamides; Polyurethanes using acid dyes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/667—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing phosphorus in the main chain
- D06M15/673—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing phosphorus in the main chain containing phosphorus and nitrogen in the main chain
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- 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
- D06P1/39—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 acid dyes
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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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—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 insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/642—Compounds containing nitrogen
- D06P1/649—Compounds containing carbonamide, thiocarbonamide or guanyl groups
- D06P1/6491—(Thio)urea or (cyclic) derivatives
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- 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
- D06P1/44—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 insoluble pigments or auxiliary substances, e.g. binders
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
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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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
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- D—TEXTILES; PAPER
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
Abstract
The invention relates to a polyamide flame-retardant camouflage color camouflage ribbon, the production process of the ribbon comprises the working procedures of bleaching and deoiling, dyeing bottom treatment, printing, baking, steaming, fixing color and flame-retardant padding and finishing, wherein the specific process of the printing comprises the following steps: adopt the plain net scraper perpendicular with the meshbelt, once print many meshbelts, every printing design screen frame adopts solitary motor control, and the scraper of every colour can be repeatedly scraped and printed twice or more than twice, ensures the definition and the degree of consistency and the colour fastness of pattern to every design corresponds a lesson oven, and every design of printing carries out drying process once, carries out the printing of next design afterwards again. The nylon 6 or nylon 66 woven belt is made of nylon 6 or nylon 66 serving as a raw material, so that the nylon 6 or nylon 66 woven belt has the performances of flame retardance, camouflage and water repellency.
Description
Technical Field
The invention relates to the technical field of production of nylon camouflage ribbons, in particular to a nylon flame-retardant camouflage ribbon.
Background
There is dacron, the polyamide fibre meshbelt in the market, there is the camouflage meshbelt of polyamide fibre 56 in addition, polyamide fibre 56 is the biobased chemical fiber material, it is good to have the moisture absorption perspire, it is heat-resisting, low temperature soft, wear resistance is strong, advantages such as dyeing quality is excellent, nevertheless because polyamide fibre 56 can not the industrial production, can not satisfy the user demand when having a large amount of purchase demands in the face of the army, and polyamide fibre 56's intensity and the relative polyamide fibre 6 of low temperature resistance or 66 still have certain gap, and then restricted its use in the military industry meshbelt field.
The nylon camouflage ribbon in the market is mainly subjected to ink transfer or spray printing, is poor in sun drying and brushing, is particularly used for training in highlands by troops, is subjected to long-time ultraviolet irradiation on the surface of the ribbon, and is serious in color change or fading phenomenon, the ink coating is a combustible product, the flame retardant finishing is difficult, and the basic requirements of the existing service equipment on the sun color fastness and flame retardance of the ribbon cannot be met. Due to special requirements of army changing clothes and camouflage painting, the patterns and the spectrums of the training clothes, the clothes and the woven belts are kept consistent. The high-strength nylon camouflage weaving belt has research and development requirements, the material requirement is nylon 6 or nylon 66, and the nylon 6 or nylon 66 is more difficult to print compared with nylon 56.
Except solving the difficult problem of printing of polyamide 6/66, still need solve fire-retardant, the water repellent problem, various meshbelts are fire-retardant mainly adopts the fire-retardant technology of repeated padding at present, because need the fire retardant of water-soluble class, generally adopt environment-friendly halogen-free phosphate and phosphate, the mode of general fire retardant soaking produces, soak for a long time, inefficiency, the procedure is long, the use amount is big, generally reach better flame retardant efficiency and need 600 ~ 800g/L fire retardant, the quantity is big, with high costs, phosphate and phosphate fire retardant can produce the camouflage meshbelt and discolour, the big problem of moisture absorption.
The nylon flame-retardant camouflage color camouflage woven tape which takes nylon 6 or nylon 66 as a raw material is developed in response to strong reloading requirements of armies, meets the equipment requirements, and is a problem to be solved urgently.
Disclosure of Invention
Aiming at the defects of the existing nylon 6/66 camouflage color flame-retardant camouflage woven tape, the invention provides the nylon flame-retardant camouflage color camouflage woven tape which takes nylon 6 or nylon 66 as raw materials, and the problem of printing nylon 6/66 can be solved. So that the nylon 6 or nylon 66 woven tape has the performances of flame retardance, camouflage color camouflage and water repellency.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the nylon flame-retardant camouflage ribbon is characterized in that the production process of the ribbon comprises the working procedures of bleaching and deoiling, bottom dyeing treatment, printing, baking, steaming, color fixation and flame-retardant padding finishing, wherein the specific process of printing comprises the following steps:
adopt the plain net scraper perpendicular with the meshbelt, many meshbelts of once printing, every stamp design screen frame adopts solitary motor control, and the scraper of every colour can be scraped repeatedly and seal many times, ensures the definition and the degree of consistency and the colour fastness of pattern to every design corresponds a lesson oven, and every design of printing carries out drying process once, carries out the printing of next design afterwards again.
The process of the flame-retardant padding finishing procedure comprises the following steps: the woven tape treated by the baking, steaming and color fixing process enters a size box at the speed of 10-15m/min, wherein the size box contains a flame retardant liquid, and the flame retardant accounts for 7-30% of the flame retardant liquid; the liquid level of the slurry tank is required to be submerged by the woven belt, then the liquid carrying rate is adjusted through a rubber compression roller capable of being adjusted pneumatically, the liquid carrying rate is controlled to be 35-45%, then the pulp tank enters a drying box, the drying temperature is 140 ℃ and 180 ℃, and then the pulp tank is cooled and the belt is collected.
The adding mass ratio of the flame retardant to the water in the size box is (0.8-2): 10.
In the flame-retardant padding finishing process, a waterproof agent is added into the size tank, the waterproof agent is carbon six or carbon eight, the flame retardant and the waterproof agent are bathed together, the mass ratio of the flame retardant to the waterproof agent to the water is (25-30):5:70, and the nylon flame-retardant camouflage ribbon with waterproof and flame-retardant effects is obtained by adopting one-dip one-bundle drying and shaping.
In the flame-retardant padding finishing procedure, a waterproof agent and a cross-linking agent are also added into the stock tank, and the flame retardant is as follows: water-proofing agent: a crosslinking agent: the mass ratio of water is (26-32): 4: 1: 70, the waterproofing agent adopts TF-5025H30-60g/L, and the cross-linking agent is TF-569A8-15g/L or TF-569C8-15 g/L.
The flame retardant selected in the flame-retardant padding finishing procedure can be co-bathed with a waterproof agent and is an intumescent phosphorus-nitrogen flame retardant series, preferably a high-molecular pre-polymerization phosphorus-nitrogen polyol flame retardant and a poly-cage phosphorus-nitrogen synergistic flame retardant series.
The bleaching and deoiling process is carried out continuously at the speed of 10-15m/min, and the deoiling formula is caustic soda: 20-30g/L, refining agent: 8-15g/L, degreasing agent: 8-15g/L, penetrant: 1-4 g/L;
in the printing process, the color paste formula comprises: acid dyes, paints, adhesives, cross-linking agents, pastes, water, urea, citric acid or glacial acetic acid;
the acid dye is at least one of red, yellow, blue and black; the paint is at least one of paint red, paint blue and paint black;
the color paste comprises the following substances in percentage by mass of the total mass of the color paste: the adhesive is adhesive UDT, 10-15 wt%; 70-80 wt% of paste; 0.8-1.0 wt% of ammonium sulfate or 1-2 wt% of citric acid; 5-10 wt% of urea; the balance of water;
the process of the baking, steaming and color fixing working procedure comprises the following steps:
baking: sending the woven belt subjected to printing into a high-temperature baking machine for reaction and fixation of a coating, an adhesive and/or a cross-linking agent, wherein the temperature is 140 ℃ and 200 ℃, and the baking time is 1-3 minutes;
and (3) steaming and washing: steaming the baked printing woven belt in a steaming box for color development, wherein the steaming is carried out at the temperature of 100 ℃ and 110 ℃ for 25-30 minutes;
washing and fixing color: sending the braids subjected to the steaming and water washing into an eight-groove washing machine for water washing and color fixing, wherein the technological parameters of the washing machine are as follows: no. 1-2 clear water 43-46 ℃; adding an anti-contamination soaping agent into No. 3-4, wherein the concentration is 3-3.5g/L, and the water washing temperature is 58-61 ℃; no. 5-8 washing temperature is 45-50 ℃, and nylon acid color fixing agent is added for 4-4.2 g/L.
The nylon 6 or 66 yarn is subjected to space-variant finishing before use and is used for manufacturing carrying harnesses or bulletproof vests for troops.
The burning time of the woven belt is less than 5s, the smoldering time is less than 2s, the damage length is not more than 100mm, and the preferred damage length is 30-60 mm; the waterproof effect is not lower than grade 4, and the light fastness and the dry and wet color fastness are not lower than grade 4-5.
Compared with the prior art, the invention has the beneficial effects that:
the traditional terylene or nylon woven tape is a monochromatic or digital printing woven tape and does not have a spectrum camouflage effect, the invention provides the nylon 6/66 flame-retardant camouflage color camouflage woven tape, so that the nylon camouflage color camouflage woven tape has the functions of flame retardance, camouflage property and surface water repellency, the existing nylon has nylon 6, nylon 66 and nylon 56, and because the nylon 56 belongs to a bio-based fiber raw material, the nylon 56 is not industrialized, absorbs moisture, dries quickly, is easy to color and is easy to print, and the nylon 6/66 printing and coloring are difficult to color, so that the camouflage processing can not be carried out by applying the printing technology of the traditional woven tape. Aiming at the problem, the invention takes nylon 6 and nylon 66 fibers as raw materials, the printing process adopts a flat screen printing process, wherein a scraper is vertical to a woven tape, a plurality of woven tapes can be printed at one time, each overprinting screen frame adopts independent motor control, the scraper can repeatedly scrape and print for more than two times, the definition, the uniformity and the color fastness of patterns are ensured, each design color corresponds to a section of oven, the printing sequence from light to deep is adopted, the biggest advantage is that the following wet dye presses the preceding dry dye, the precision of the following screen frame can be adjusted, the color reproduction printing is greatly reduced, and the printing definition is improved. Meanwhile, the method can be produced in batches, can quickly meet the requirements of troops on the chinlon camouflage ribbons, has simple and efficient process flow, and thoroughly solves the problems of difficult camouflage processing, poor light fastness and the like which cannot be overcome by the traditional printing methods such as digital spraying and heat transfer.
In the aspect of flame-retardant after-finishing, flame retardants adopted in the market at present are phosphate esters and phosphate salts, the flame retardants are easy to absorb moisture and have poor flame-retardant effect, long-time soaking is needed to achieve the good flame-retardant effect, and halogen coordination is needed.
The flame retardant mechanism of the intumescent phosphorus-nitrogen flame retardant is that when strong heat or combustion is carried out, a uniform porous carbon foam layer is generated on the surface, and the layer can prevent the further degradation of the inner-layer matrix material and the transmission of heat and oxygen to the matrix material, can play the roles of heat insulation, oxygen isolation, smoke suppression and molten drop prevention, and has good flame retardant and smoke suppression functions. And the P-NFIR has the advantages of low toxicity, low smoke generation amount, no molten drop and the like, is widely applied to the flame retardance of polymers, and shows good flame retardance effect. But also has positive significance for energy conservation and environmental protection, and the key point is that the coating has the performances of wear resistance, low temperature resistance, flame retardance and camouflage under the requirement of novel equipment. The novel combat equipment has the advantages that the durability level of the novel combat equipment is improved, and the requirements of future wars are better met.
In conclusion, the afterflame time of the mesh belt is less than 5s, the smoldering time is 0s, the damage length is not more than 100mm, and the preferred damage length is 30-60 mm; the waterproof effect is not lower than 4 grade, the light fastness and the dry and wet rubbing color fastness are not lower than 4-5 grade, the strength is higher, and the gram weight is 8-50g/m according to different specification of the woven tape2On the left and right sides, the weight is lighter than that of the woven belt with the same specification, and the woven belt has higher breaking strength and flame retardant property. The production process adopts a vehicle speed control mode, can realize local continuous production, solves the problem of single-sided or double-sided camouflage printing of the high-strength nylon 6/66, has simple and efficient flow, can obviously improve the production efficiency, and meets the requirement of changing the clothes in batches by troops.
Drawings
Fig. 1 is a schematic process flow diagram of a printing process according to an embodiment of the present invention.
Fig. 2 is a schematic view of a padding and drying process of a flame-retardant woven tape according to an embodiment of the invention.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention are described below in detail and completely with reference to the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to a polyamide flame-retardant camouflage color camouflage ribbon, which comprises the following steps:
1) blank belt processing: nylon 6 or 66 yarns are made into blank belts with different structures, and the nylon 6 or 66 yarns can be subjected to space-variant finishing in special use; the nylon 6/66 is used as a raw material, so that the strength and the flame retardant property of the woven tape can be enhanced.
When the woven fabric is used for special purposes, the yarns can be subjected to space-variant finishing without space-variant, direct printing is performed, if the woven fabric is used for carrying harnesses of army or bulletproof vests and other occasions with high requirements on skid resistance and comfort, the space-variant woven fabric needs space-variant, on one hand, the cotton-like feeling is matched with cotton-like short fiber clothes of fighters, on the other hand, the woven fabric is fixed by buckles such as Chinese buckles, the friction coefficient of the surface of the woven fabric can be increased after the space-variant, and the woven fabric cannot slip when the fighter moves.
2) Bleaching, refining and deoiling: carrying out long-vehicle continuous washing, deoiling and drying on the blank belt produced in the step 1);
in the bleaching, scouring and deoiling process, the deoiling formula is as follows: 20-30g/L, refining agent: 8-15g/L, degreasing agent: 8-15g/L, penetrant: 1-4g/L, and various additives are added to accelerate the efficiency of decontamination and oil removal. The whole bleaching and deoiling process is carried out at the speed of 10-15m/min, so that the rapid deoiling can be realized in a short time, the continuous production is facilitated, the production efficiency is obviously improved, the production cost is reduced, and the problem that the strength is influenced by boiling the braid for a long time is also avoided.
3) Dyeing the bottom: and (3) sending the woven belt obtained in the step (2) into a dyeing machine for dyeing bottom. The woven belt has a certain thickness, and the side surfaces of two sides of the woven belt are exposed white in the textile printing process, so that the woven belt requires bottom dyeing, the coating cannot be added in the bottom dyeing process, the printing camouflage function cannot be completed, and the subsequent printing process finishes compound color printing to realize bottom color camouflage.
4) Printing: inputting the woven belt obtained in the step 3) into printing equipment, controlling each screen frame by using an independent motor and an independent oven, and finishing single-side printing or double-side printing according to the printing sequence from light color to dark color.
Aiming at the problem that the influence of the multi-color printing phenomenon generated by the conventional process in the woven belt is large in the woven belt with the length of only a few centimeters, the printing process adopts a flat screen scraper to be vertical to the woven belt, a plurality of woven belts can be printed at one time, each printing color screen frame is controlled by an independent motor, the scraper of each color can repeatedly scrape and print for a plurality of times, the definition, the uniformity and the color fastness of patterns are ensured, each color corresponds to one section of drying oven, one drying is carried out when each color is printed, the multi-color printing of two colors at the connection position of the colors is prevented, meanwhile, the printing sequence from light to deep is adopted, the dry dye of the previous wet dye can be pressed by the subsequent dye, the multi-color printing can be greatly reduced, the definition, the color overlapping, the definition and the saturation are good, and the printing camouflage on the material with poor color absorption, such as nylon 6 or nylon 66, is realized. Because the fabric is wide, the multicolor printing is not obvious in the large-format printing process and is obviously prominent in the woven belt of a few centimeters.
As shown in figure 1, a full-automatic chromatography ribbon screen printing machine, such as an SPE-3000S-5C screen printing machine, is provided with a plurality of printing and dyeing screen frames, each printing and dyeing screen frame is controlled by a single motor, and each dyeing corresponds to a section of drying oven. And (4) adjusting the screen frames, wherein the screen frames are adjusted from left to right in sequence, the first screen frame is manually adjusted, and the second screen frame is automatically adjusted. The servo belt pulling system overcomes the defect that the traditional pneumatic machine type is affected by air pressure to cause different printing lengths, and has higher printing accuracy and printing speed of 5-10 m/min.
5) Baking: and (3) conveying the woven belt obtained in the step (4) into a high-temperature baking machine for crosslinking of the infrared-proof coating, the adhesive and/or the crosslinking agent, wherein the temperature is 140-. In the embodiment, the adhesive can be an adhesive UDT which has a crosslinking function, when the adhesive is used, 0.5-0.8% of a crosslinking agent can be selectively added, the type of the crosslinking agent can be selected from a crosslinking agent GS, the infrared-proof coating, the adhesive UDT and the crosslinking agent GS are formulas in printing, an independent drying oven for printing has a low primary drying temperature for color paste, generally only about 102 +/-2 ℃, and the reaction temperature of the coating, the adhesive and the crosslinking agent needs to be reached through a baking process again.
6) And (3) steaming and coloring: and (3) carrying out steaming color development on the printed woven belt finished in the step 5), wherein steaming is carried out at the temperature of 110 ℃ for 25-30min, and the water seal port overflows.
7) Washing and fixing color: and (3) putting the woven belt obtained in the step 6) into an 8-groove washing machine for washing and fixing.
The technological parameters of the washing machine are as follows: no. 1-2 clean water is 45 ℃, No. 3-4 temperature is 60 ℃, anti-contamination soaping agent is added for washing, the concentration is 3g/L, No. 5-8 washing temperature is 45-50 ℃, nylon acid color fixing agent is added for 4g/L, and the ribbon obtained by the washing process is not easy to decolor and lose powder in use.
In the steps of baking, steaming and color fixing, the speed of each device can be the same or different, and can be adjusted according to actual conditions such as the thickness of the woven tape, the speed can be controlled to be about 10-15m/min, the temperature and the processing time of each step are ensured, the material connection between the discharging of the baking machine and the steaming box can be completed manually, and the space of a factory is reasonably utilized.
8) And (3) flame-retardant padding finishing: the woven belt after being treated by the baking, steaming and color fixing procedures enters a slurry tank at the speed of 10-15m/min, the slurry tank contains flame retardant liquid, the concentration of the flame retardant is 7-30%, the liquid level is required to submerge the woven belt, then the liquid carrying rate is adjusted by a rubber compression roller capable of being adjusted pneumatically, the liquid carrying rate is controlled at 35-45%, the woven belt firstly enters an infrared pre-drying device, the travel is 15 meters, the temperature is controlled automatically, the electric heating is carried out, the temperature can be increased to 150 ℃, then the woven belt enters a whole ironing and shaping oven device, the S-shaped belt is transported, the drying temperature is 140 degrees plus 180 degrees in the travel of 60 meters, and then the belt is cooled and collected.
In the fire-retardant dipping and rolling finishing process, the height of the belt feeding 1 is 2160mm, the height of the stock chest 2 is 1000mm, the length of the stock chest is 700mm, the horizontal distance between the belt feeding and the stock chest is 488mm, the length of the ironing barrel is 620mm, fire-retardant liquid is added into the stock chest, the liquid carrying rate is controlled by the rubber compression roller which is pneumatically adjusted through the ironing barrel 3, the rubber compression roller enters the drying box, the length of the drying box is 1860mm, the belt is cooled and collected, and the length of the whole fire-retardant dipping and rolling finishing process is 8450 mm.
And simultaneously performing waterproof treatment in the flame-retardant padding finishing, wherein the waterproof agent and the flame retardant are subjected to co-bath, the mass ratio of the flame retardant to the waterproof agent is 3:3-5:3, the flame retardant to the waterproof agent is mixed and added into a slurry tank, the mixture is fully and uniformly stirred, and the mixture is subjected to high-temperature baking at the temperature of 140-180 ℃ and the vehicle speed in the padding finishing is 10-15 m/min. And a flame retardant and a waterproof agent are jointly bathed, so that the problem of flame retardant loss caused by flame retardant treatment and waterproof treatment after flame retardant treatment is solved, and the flame retardant effect is influenced.
The waterproof agent TF-5025H30-60g/L + cross-linking agent TF-569A8-15g/L, or the waterproof agent TF-5025H30-60g/L + cross-linking agent TF-569C5-10g/L are added into a stock tank in a combined mode, so that the common bath of the waterproof agent and the flame retardant is realized, and the addition of the cross-linking agent is beneficial to improving the water washing resistance of the waterproof agent. The waterproof agent can also be other carbon six or carbon eight waterproof agents of the same type.
The fire retardant belongs to the series of expansion type phosphorus nitrogen fire retardants, preferably high molecular guanidine prepolymer phosphorus nitrogen polyol fire retardant (P-NIFR), poly cage phosphorus nitrogen synergistic fire retardant series (PM series) P-N and the like. The selection of the flame retardant enables the woven belt to be not prone to moisture absorption, and meanwhile, the woven belt and the waterproof agent can be subjected to co-bath, so that the water-repellent flame-retardant effect is achieved, and the problems that the woven belt is prone to moisture in rainy weather and flame retardant powder is prone to falling due to the fact that moisture absorption is large and the water absorption rate of the independent phosphoric acid type flame retardant and the organic nitrogen flame retardant is high in the prior art are solved.
If the flame retardant and the waterproof treatment are selected to exist simultaneously, the addition amount of the required flame retardant is increased, but is obviously reduced compared with the addition amount of the flame retardant in the prior art.
In the invention, a one-dipping one-rolling drying and shaping form is adopted in the flame-retardant padding finishing procedure, and padding is only carried out once, so that continuous flame-retardant padding production is realized, the production efficiency is improved, and the durable waterproof and oilproof effects are given to the woven belt.
Example 1:
the production process of the nylon 6 flame-retardant camouflage color camouflage ribbon (5-color printing) comprises the following steps:
1) yarn treatment: weaving nylon 420D chinlon 6 into woven tapes, wherein the width and the thickness are 25 x 1.1 mm;
2) bleaching, refining and deoiling: washing the blank belt produced in the step 1) in a long vehicle, and drying; the bleaching formula is as follows: 25g/L of caustic soda; 10g/L of refining agent; degreasing agent 10 g/L; 3g/L of penetrant.
3) Dyeing the bottom: sending the woven belt obtained in the step 2) into a dyeing machine for dyeing the bottom, wherein the color is light gray; the formula of the dyed sole is as follows:
acid black: 0.46 g/L; acid blue: 0.11 g/L; acid red 0.265 g/L; acid yellow: 0.85 g/L; 3g/L of ammonium sulfate;
4) printing: and (3) printing the woven belts in the step 3) from light to dark in sequence, namely, light green, dark green, brown and black, and drying at the temperature of 110 ℃ to finish single-sided printing or double-sided printing. The unit g/20 kg, the formula of the color paste is as follows:
black: acid blue 47; acid black 83; acid yellow 28; acid red: 161.5; coating black: 238;
brown: acid black: 47.5; acid yellow: 276; acid red: 68.7; coating black: 15;
dark green: acid yellow 189; acid blue: 77; coating yellow: 249; paint blue: 121.5 of;
light green: acid yellow 132; acid blue: 34; and (3) blue coating: 6.6; coating yellow: 26.6.
and (3) the other: in 20kg of color paste, the mass content of each additive is as follows by weight percent based on the total mass of the color paste: the content of the Haili firewood adhesive UDT is 12 percent; 2% of citric acid; 8% of urea; the rest is special paste and water, and the consistency of the color paste is adjusted according to the printing requirement.
The formula of the printing color paste is set according to the color fastness requirement and the spectral curve requirement which meet the requirements of users, different camouflage patterns can be subjected to dye proportion adjustment, and the spectral curve is adjusted by changing the proportion of the coating.
5) And (3) baking, namely feeding the obtained product in the step 4) into a high-temperature baking machine to crosslink the coating and the adhesive, wherein the baking temperature is 150 ℃, and the baking time is 1.5 minutes.
6) And (3) steaming and washing: and (3) carrying out steaming and color development on the printed woven belt finished in the step 5) by a steaming box, wherein steaming is carried out for 25-30 minutes at 102 ℃.
7) Washing and fixing color: and (3) putting the woven belt obtained in the step 6) into an 8-groove washing machine for washing and fixing. No. 1-2 clean water is 45 ℃, No. 3-4 washing temperature is 60 ℃, anti-contamination soaping agent is added for 3g/L, and No. 5-8 washing temperature is 45-50 ℃; adding 4g/L of acidic color fixing agent.
8) And (3) flame-retardant padding finishing: the woven belt treated by the baking, steaming and color fixing process enters a slurry tank at the speed of 15m/min, wherein the slurry tank contains a flame retardant, and the flame retardant accounts for 10% of the slurry tank. And a waterproof agent and a cross-linking agent can be added, the liquid level is higher than the woven tape, then the liquid carrying rate is adjusted through a rubber compression roller capable of being adjusted pneumatically, the liquid carrying rate is controlled to be 40%, then the liquid carrying rate enters a drying box to be baked at high temperature, the baking temperature is preferably 160-170 ℃, the baking time is 2min, the continuous production is realized, and the soaking link is omitted.
In the embodiment, the flame retardant is a high-molecular gua-prepolymer phosphorus-nitrogen polyol flame retardant, the mass ratio of the flame retardant powder to water in a slurry tank is 1:9, the flame retardant effect of the finished woven belt after flame retardant finishing can achieve the effects that the after-burning time is less than 5s, the smoldering time is less than 2s, the damage length is not more than 100mm, and the light fastness and the dry-wet color fastness are not lower than 4-5 levels according to the GB/T5455 plus material 2013 vertical burning method.
Example 2:
the nylon 66 flame-retardant camouflage color camouflage woven tape is used for manufacturing woven tapes in carrying tools and bulletproof vests, and the production process comprises the following steps:
firstly, yarn treatment: carrying out space-variant finishing on nylon 210D chinlon 66, adopting a 1-core 1-skin process, adopting an AIKI space-variant machine as equipment, preparing an overfeed 9/10 into a cotton-like blank belt, and carrying out space-variant yarn 450D without being limited to 210D;
the subsequent bleaching and deoiling, dyeing bottom treatment, printing, baking, steaming and fixation are the same as those in the embodiment 1,
and finally, performing flame-retardant padding finishing: and (3) feeding the mesh belt subjected to baking, steaming and color fixing into a size box at the speed of 10-15m/min, wherein the size box contains flame retardant liquid, the mass concentration of the flame retardant is 26%, the liquid level of the flame retardant is required to submerge the mesh belt, then the liquid carrying rate is adjusted through a rubber compression roller capable of being adjusted pneumatically, the liquid carrying rate is controlled to be 40%, then the mesh belt enters a drying box of 60 meters, the drying temperature is 170 ℃, and then the mesh belt is cooled and collected.
In the embodiment, the flame retardant in the flame-retardant padding finishing selects a high-molecular gua-prepolymer phosphorus-nitrogen polyol flame retardant, and simultaneously, a waterproof agent and flame-retardant powder are added: water-proofing agent: crosslinking agent (effect of improving washing resistance): the mass ratio of water is 26: 3: 1: 70. under the condition of adding a waterproof agent, the proportion of the flame-retardant powder is increased, the flame-retardant effect of the woven tape can also achieve the effects that the after-burning time is less than 5s, the smoldering time is 0s, the damage length is not more than 100mm, and the GB/T5455 plus-material 2013 vertical combustion method is referred. The waterproof effect is not lower than 4 grades, according to standard GB/T4745-. After the proportion of the flame retardant is improved, the light fastness and the dry-wet color fastness are not lower than 4-5 grades. The embodiment realizes the co-bath of the flame retardant and the waterproof agent, and the situation that the flame retardant powder absorbs moisture and falls off the powder can not occur.
Tables 1 and 2 show the strength and flame retardancy test results for the two examples, respectively:
table 1 example 1 strength and flame retardant test results
Table 2 example 2 strength and flame retardant test results
Example 3
The preparation process of the nylon 66 flame-retardant camouflage tape woven belt in the embodiment is the same as that in the embodiment 2, the nylon 210D nylon 66 high-strength industrial yarn is used as a raw material, and the strength is not lower than 7.0 g/D.
In summary, the embodiment of the invention has the following beneficial effects: in the embodiments 1-3 of the invention, the prepared polyamide flame-retardant camouflage ribbon is high in flame retardant performance, short in preparation process, low in cost and small in moisture absorption, and can be co-bathed with a waterproof agent, so that the polyamide flame-retardant camouflage ribbon has a good popularization and use value particularly in the civil field.
The method is suitable for producing the camouflage woven tape by using the common nylon raw material and the high-strength raw material.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Nothing in this specification is said to apply to the prior art.
Claims (7)
1. The utility model provides a fire-retardant camouflage color camouflage meshbelt of polyamide fibre, its characterized in that, this camouflage meshbelt uses nylon 6 or nylon 66 yarn as the raw materials, and the production technology of this meshbelt includes the process of bleaching and scouring deoiling, dyeing end treatment, stamp, baking and evaporating fixation and fire-retardant padding finishing, and wherein the concrete technology of stamp is:
a flat screen scraper is adopted to be vertical to the woven belts, a plurality of woven belts are printed at one time, each printing design and color screen frame is controlled by an independent motor, the scraper of each color can repeatedly scrape and print more than two times, the definition, the uniformity and the color fastness of the patterns are ensured, each design and color corresponds to one section of drying oven, each printed design and color is dried once, and then the next design and color is printed;
the process of the flame-retardant padding finishing procedure comprises the following steps: the woven tape treated by the baking, steaming and color fixing process enters a size box at the speed of 10-15m/min, wherein the size box contains a flame retardant liquid, and the flame retardant accounts for 7-30% of the flame retardant liquid; the liquid level of the slurry tank is required to be submerged by the woven belt, then the liquid carrying rate is adjusted through a rubber compression roller capable of being adjusted pneumatically, the liquid carrying rate is controlled to be 35-45%, then the slurry enters a drying box, the drying temperature is 140-; the speed of the padding finishing is 10-15 m/min;
in the flame-retardant padding finishing procedure, a waterproof agent is also added into the stock tank, and the flame retardant selected in the flame-retardant padding finishing procedure can be bathed together with the waterproof agent and is an intumescent phosphorus-nitrogen flame retardant series;
the continuous burning time of the woven belt is less than 5s, the smoldering time is less than 2s, and the damage length is not more than 100 mm; the waterproof effect is not lower than grade 4, and the light fastness and the dry-wet color fastness are not lower than grade 4;
the expansion type phosphorus-nitrogen fire retardant series is a high polymer guanidine prepolymerization phosphorus-nitrogen polyol fire retardant and a poly cage-shaped phosphorus-nitrogen synergistic fire retardant series.
2. The camouflage ribbon as claimed in claim 1, wherein the camouflage ribbon is made of nylon 6 or nylon 66 yarns, and the printing is performed in a sequence from light to deep to complete single-sided printing or double-sided printing.
3. The camouflage webbing of claim 1, wherein the flame retardant to water is added to the vat at a mass ratio of (0.8-2): 10.
4. The camouflage ribbon as claimed in claim 1, wherein the water-proofing agent is selected from six carbon or eight carbon water-proofing agent, the flame retardant and the water-proofing agent are co-bathed, the mass ratio of the flame retardant to the water-proofing agent to the water is (25-30):5:70, and the nylon flame-retardant camouflage ribbon with waterproof and flame-retardant effects is obtained by one-dip one-roll drying and shaping.
5. The camouflage webbing of claim 1, wherein in the flame retardant padding finishing process, a waterproof agent and a cross-linking agent are further added into the size box, and the flame retardant: water-proofing agent: a crosslinking agent: the mass ratio of water is (26-32): 4: 1: 70, the waterproofing agent adopts TF-5025H, and the cross-linking agent is TF-569A8-15g/L or TF-569C8-15 g/L.
6. The camouflage webbing of claim 1, wherein the nylon 6 or 66 yarn is air-textured prior to use for use in the manufacture of military carrying gear or bullet-proof vests.
7. The camouflage webbing of claim 1, wherein the length of the break is 30-60 mm.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998586A (en) * | 1974-08-22 | 1976-12-21 | Hoechst Aktiengesellschaft | Process for the differential dyeing of polyamide fibers and of materials containing them |
| CN202573235U (en) * | 2012-04-16 | 2012-12-05 | 邱德强 | Automatic ribbon printing machine with movable travelling table |
| CN209208250U (en) * | 2018-10-23 | 2019-08-06 | 绍兴富强宏泰印染有限公司 | A kind of replaceable scraper of flat screen printing machine |
| CN110747666A (en) * | 2019-11-15 | 2020-02-04 | 四川鑫敬业化纤织带有限公司 | Nylon 56 flame-retardant infrared-resistant camouflage ribbon |
-
2021
- 2021-03-10 CN CN202110258866.2A patent/CN112878071B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998586A (en) * | 1974-08-22 | 1976-12-21 | Hoechst Aktiengesellschaft | Process for the differential dyeing of polyamide fibers and of materials containing them |
| CN202573235U (en) * | 2012-04-16 | 2012-12-05 | 邱德强 | Automatic ribbon printing machine with movable travelling table |
| CN209208250U (en) * | 2018-10-23 | 2019-08-06 | 绍兴富强宏泰印染有限公司 | A kind of replaceable scraper of flat screen printing machine |
| CN110747666A (en) * | 2019-11-15 | 2020-02-04 | 四川鑫敬业化纤织带有限公司 | Nylon 56 flame-retardant infrared-resistant camouflage ribbon |
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