CN111455685A - Production process and preparation equipment of modified flame-retardant antibacterial PU synthetic leather - Google Patents
Production process and preparation equipment of modified flame-retardant antibacterial PU synthetic leather Download PDFInfo
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- CN111455685A CN111455685A CN202010266053.3A CN202010266053A CN111455685A CN 111455685 A CN111455685 A CN 111455685A CN 202010266053 A CN202010266053 A CN 202010266053A CN 111455685 A CN111455685 A CN 111455685A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
- B05C11/025—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface with an essentially cylindrical body, e.g. roll or rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
- D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—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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- 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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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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Abstract
The invention discloses a production process of modified flame-retardant antibacterial PU synthetic leather and a preparation device thereof, belonging to the technical field of synthetic leather, wherein flame retardant is added into the PU synthetic leather, halogen flame retardant harmful to human body and atmosphere is abandoned, no harmful smog is generated, environmental pollution is reduced, meanwhile, three groups with good binding property with leather collagen are arranged in the flame retardant, so that the flame retardant and leather fiber are firm and reliable, the stability and durability of flame-retardant effect are enhanced, while when the PU synthetic leather is coated, antibacterial agent is added, the action of microcapsule is utilized, so that the antibacterial agent can act on the PU synthetic leather for a long time, a layer of antibacterial protective layer is formed on the surface of the PU synthetic leather, meanwhile, the antibacterial agent adopts nontoxic and harmless raw materials, the harm to human body is reduced under the condition of ensuring the antibacterial effect, and the PU has the effects of flame retardance and bacteria resistance, is convenient for popularization and use.
Description
Technical Field
The invention belongs to the technical field of synthetic leather, and particularly relates to a production process of modified flame-retardant antibacterial PU synthetic leather and preparation equipment thereof.
Background
The PU synthetic leather is a polyurethane elastomer, has the appearance, hand feeling and mechanical property similar to those of natural leather, is the most popular and mainstream product in the current synthetic leather, and provides a maple wood nutrition source for the growth of microorganisms due to the molecular structure of polyurethane technology, fiber components in synthetic leather base cloth, auxiliary agents contained in the synthetic leather, protein adhesive, lignocellulose filler and the like, so that the polyurethane synthetic leather is extremely easy to be corroded by the microorganisms to rot and deteriorate, the service life is greatly shortened, and meanwhile, the health and safety of a user can be seriously threatened by the growth and reproduction of surface pathogenic microorganisms. In order to prolong the service life and improve the use safety of the polyurethane synthetic leather, the current main technical approach is to add various antibacterial agents into the formula to prepare the antibacterial polyurethane synthetic leather, so as to realize the antibacterial and mildewproof effects. Generally, these antibacterial agents are mainly synthesized as organic antibacterial agents, polymeric antibacterial agents and natural product antibacterial agents. Natural products of antibacterial agents are rarely used due to the defects of poor heat resistance, short duration of drug effect, difficulty in mass production and the like; compared with the inorganic antibacterial agent which has the problems of high safety coefficient, long response time of sterilization and bacteriostasis and the like, the blended antibacterial agents are easy to continuously migrate from leather products to the external environment, and the durability of the finished leather antibacterial and mildewproof is influenced; the released antibacterial agent has certain irritation and even toxicity to human bodies, and threatens the health and safety of consumers.
With the improvement of the living standard of people, the leather product is used as a special living article, the application range of the leather product is increasingly wide, the leather product is gradually expanded from the initial wearing to high-grade consumption, such as the fields of indoor decoration, office furniture, transportation tool interior decoration and cushion, fire-fighting clothing and the like, and the leather product is closely related to the lives and properties of people. Along with the popularization of natural leather in the fields of automobile cushions, sofas, protective clothing and the like, the leather flame-retardant research is more and more urgent because the fire caused by the burning of the leather is more and more frequent, and people can suffocate and die due to a large amount of generated smoke and harmful gas.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects in the prior art, the invention provides a production process and preparation equipment of modified flame-retardant antibacterial PU synthetic leather, and solves the problems of poor flame-retardant and antibacterial effects of the conventional synthetic leather.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a production process of modified flame-retardant antibacterial PU synthetic leather comprises the following steps:
s1, acid treatment and alkali treatment: immersing the terylene base cloth in an acid treatment solution at the temperature of 70-80 ℃ for 15-20min, then drying at the temperature of 90-95 ℃ in vacuum, immersing the processed terylene base cloth in an alkali treatment solution at the temperature of 75-85 ℃ for 30-40min, washing with water after treatment, and drying to constant weight.
S2, modified flame retardance: and (3) soaking the terylene base cloth treated in the S1 in a flame retardant solution at the temperature of 25-35 ℃ for 80-100min, drying after treatment, baking at the temperature of 130-140 ℃ for 2-3min, and then washing and drying.
S3, dipping: and (3) soaking the flame-retardant modified polyester base fabric of S2 in PU dipping solution, and scraping redundant slurry.
S4, solidification: and (4) soaking the polyester base fabric soaked in the S3 into the solidification solution, taking out, washing with water, drying, and rolling to obtain the PU synthetic leather.
S5, coating: adding antibacterial agent into the coating agent, mixing to obtain composite solution with antibacterial effect, coating the antibacterial composite solution on the surface of PU synthetic leather in S4 with coating equipment, oven drying, and washing with water.
As a further scheme of the invention: the preparation method of the flame retardant comprises the following steps:
adding methanol or benzoyl peroxide with the mass of 6-9% of that of dimethyl phosphite into the dimethyl phosphite at the temperature of 60-70 ℃, adding acrylamide after the dimethyl phosphite is completely dissolved, and reacting for 2-5h at the temperature of 50-80 ℃ to obtain colorless transparent liquid A.
Regulating the pH value of the colorless transparent liquid A to 6.5-7 with an alkali solution, then heating a reaction system to 70-90 ℃, dropwise adding glutaraldehyde, reacting for 3-5h, and keeping the pH value of the system to 6.5-7 to obtain a light yellow transparent liquid B.
Adjusting the pH value of the light yellow transparent liquid B to 3-5 with acid, adding pentaerythritol or starch, and reacting at 70-90 deg.C for 0.5-1.5h to obtain brown yellow oily liquid flame retardant.
As a further scheme of the invention: the preparation method of the antibacterial agent comprises the following steps:
80-90 parts of waterborne polyurethane resin, 1.5-2 parts of flatting agent, 2-4 parts of waterborne slip agent and 3-6 parts of waterborne defoamer are mixed and stirred uniformly to obtain a mixture A.
Adding 10-20 parts of antibacterial microcapsule emulsion, 5-10 parts of nano silicon nitride and 1-3 parts of dispersing agent into 15-20 parts of deionized water, and uniformly stirring to obtain a mixture B.
And adding the mixture B into the mixture A, uniformly stirring, continuously adding 5-10 parts of aqueous extinction powder and 15-20 parts of deionized water, and uniformly stirring to obtain a mixture C.
And adding 2-3 parts of thickening agent into the mixture C, and uniformly stirring to obtain the antibacterial agent.
As a further scheme of the invention: the preparation method of the antibacterial microcapsule emulsion comprises the following steps:
weighing 15-20 parts of houttuynia cordata, 6-8 parts of aloe extract, 6-8 parts of nano-silver and 1-3 parts of dispersing agent, adding into 20-25 parts of deionized water, and uniformly stirring to obtain solution A.
Weighing 3-5 parts of cypress oil, 3-6 parts of emulsifier and 1.5-3 parts of auxiliary emulsifier, and heating and dissolving in water bath at 70-80 ℃ to obtain solution B.
And adding the capsule wall into 20-25 parts of deionized water, and uniformly stirring to obtain a solution C.
Adding the solution C into the solution A, stirring uniformly, controlling the water bath temperature to be 55-65 ℃, adding the solution B for emulsification, and continuously stirring for 2-3h to obtain the antibacterial microcapsule emulsion.
As a further scheme of the invention: the coagulating liquid comprises 20-25% DMF.
As a further scheme of the invention: the preparation method of the PU dipping solution comprises the following steps:
mixing 22-28 parts of polypropylene oxide glycol and 26-30 parts of polyethylene adipate glycol-1, 4-butanediol glycol, heating to 100 ℃ and 105 ℃, and treating for 60-80 min.
Then adding 20-23 parts of IPDI, 3-4 parts of dimethylolpropionic acid and 0.2-0.4 part of dibutyl tin dilaurate, heating to 85-90 ℃, and reacting for 2-3 h.
Then adding 2-3 parts of 1, 4-butanediol and 4-6 parts of N-methyl-2-pyrrolidone, reacting for 2-3h, cooling to 40-45 ℃, diluting with acetone when cooling, adding 2-3 parts of triethylamine, and uniformly stirring to obtain the polyurethane dispersion.
And finally, adding 0.2-0.4 part of 15-20% PAMAM solution into the polyurethane dispersion, uniformly stirring, performing reduced pressure evaporation to remove acetone, and diluting with water to obtain the PU impregnation solution.
The equipment adopted in the S5 finishing procedure is modified flame-retardant antibacterial PU synthetic leather preparation equipment, which mainly comprises a shell, wherein a blanking device is arranged on the left side of the upper surface of the inner wall of the shell, two electric push rods are fixedly connected with the upper surface of the inner wall of the shell, the bottom ends of the two electric push rods are fixedly connected with the upper surface of a support, an extrusion roller is arranged in the support, a through hole is formed in the right side of the upper surface of the shell, a filter plate is arranged at the position, corresponding to the through hole, of the upper surface of the shell, a first fan is fixedly connected with the left surface of the inner wall of the shell and positioned below the through hole, a separation plate is fixedly connected with the left surface of the first fan, the upper surface of the separation plate is fixedly connected with the upper surface of the inner wall of the shell, a resistance wire is arranged below the first fan, and the left end and right end of the resistance, be provided with the workstation in the casing, the workstation is located the below of squeeze roll, feed inlet and discharge gate have been seted up respectively to the position that the casing left and right sides face corresponds the workstation, the left surface of casing is provided with the synthetic leather wind-up roll, the synthetic leather wind-up roll passes through support frame fixed connection in the below of casing left surface, the one end of the PU synthetic leather on the synthetic leather wind-up roll passes feed inlet and discharge gate in proper order and the overlap joint is at the upper surface of workstation.
As a further scheme of the invention: the blanking device comprises a storage box, the storage box is arranged on the left side of the upper surface of the inner wall of the shell, a plurality of blanking heads are arranged on the lower surface of the storage box and arranged in a straight line, and electromagnetic valves are arranged on the blanking heads.
As a further scheme of the invention: be provided with the scraper in the support, the scraper is located the left side of squeeze roll, and the shape of scraper right flank and the surperficial looks adaptation of squeeze roll, two running rollers of the equal fixedly connected with in position of casing left and right sides face corresponding feed inlet and discharge gate, two the looks remote site of running roller is overlap joint respectively at the upper surface and the lower surface of PU synthetic leather, the right side of workstation upper surface is provided with the hot plate, the below of casing right flank is provided with the second fan, the lower fixed surface of casing is connected with the bottom plate.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. the production process and the preparation equipment of the modified flame-retardant antibacterial PU synthetic leather abandon halogen flame retardants harmful to human bodies and atmosphere by adding flame retardants into the PU synthetic leather, realize no harmful smoke generation and reduce the pollution to the environment, meanwhile, the flame retardant is provided with three groups which have good bonding property with leather collagen, so that the flame retardant and leather fibers are firm and reliable, the stability and the durability of the flame retardant effect are enhanced, when the PU synthetic leather is coated, the antibacterial agent is added, and the slow release effect of the microcapsule is utilized, so that the antibacterial agent can act on the PU synthetic leather for a long time, an antibacterial protective layer is formed on the surface of the PU synthetic leather, and meanwhile, the antibacterial agent is made of nontoxic and harmless raw materials, under the condition of guaranteeing the antibacterial effect, the harm to the human body is reduced, so that the PU synthetic leather has the flame-retardant antibacterial effect and is convenient to popularize and use.
2. The production process and the preparation equipment of the modified flame-retardant antibacterial PU synthetic leather comprise the steps of arranging a blanking device, an electric push rod, a support, an extrusion roller and a scraper, opening a control electromagnetic valve when the PU synthetic leather passes through a workbench, so that coating raw materials fall from a plurality of blanking heads and are uniformly distributed on the surface of the PU synthetic leather, extending or shortening the heights of the adjustment support and the extrusion roller through the electric push rod, extruding the coating raw materials on the PU synthetic leather by utilizing the extrusion roller, removing the coating raw materials adhered to the surface of the extrusion roller by the scraper, avoiding the influence of the adhered coating raw materials on the subsequent processing of the PU synthetic leather, and further enabling the coating to be more uniform, thereby ensuring the coating effect.
3. This modified fire-retardant antibiotic PU synthetic leather production technology and preparation equipment thereof through setting up through-hole, filter, first fan, resistance wire and hot plate, utilizes first fan to start, takes the air in the casing external from the through-hole into the casing, after the resistance wire heating, realizes drying the coating raw materials, and the hot plate heats PU synthetic leather below simultaneously, guarantees that it is heated evenly, and the curing effect is better.
Drawings
FIG. 1 is a schematic view of a front view cross-sectional structure of a modified flame-retardant antibacterial PU synthetic leather preparation device of the present invention;
FIG. 2 is a schematic structural diagram of a left view of a blanking device of the modified flame-retardant antibacterial PU synthetic leather preparation equipment of the invention;
FIG. 3 is a schematic structural diagram of a left view of an extrusion roll of the modified flame-retardant antibacterial PU synthetic leather preparation equipment of the invention;
in the figure: the device comprises a shell 1, a blanking device 2, a material storage box 201, a blanking head 202, an electromagnetic valve 203, an electric push rod 3, a support 4, an extrusion roller 5, a scraper 6, a through hole 7, a filter plate 8, a first fan 9, a partition plate 10, a resistance wire 11, a workbench 12, a heating plate 13, a feed inlet 14, a discharge outlet 15, a synthetic leather wind-up roller 16, a support frame 17, a roller 18, a second fan 19 and a bottom plate 20.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1-3, the present invention provides a technical solution: a production process of modified flame-retardant antibacterial PU synthetic leather comprises the following steps:
s1, acid treatment and alkali treatment: immersing the terylene base cloth in an acid treatment solution at the temperature of 70-80 ℃ for 15-20min, then drying at the temperature of 90-95 ℃ in vacuum, immersing the processed terylene base cloth in an alkali treatment solution at the temperature of 75-85 ℃ for 30-40min, washing with water after treatment, and drying to constant weight.
S2, modified flame retardance: and (3) soaking the terylene base cloth treated in the S1 in a flame retardant solution at the temperature of 25-35 ℃ for 80-100min, drying after treatment, baking at the temperature of 130-140 ℃ for 2-3min, and then washing and drying.
S3, dipping: and (3) soaking the flame-retardant modified polyester base fabric of S2 in PU dipping solution, and scraping redundant slurry.
S4, solidification: and (4) soaking the polyester base fabric soaked in the S3 into the solidification solution, taking out, washing with water, drying, and rolling to obtain the PU synthetic leather.
S5, coating: adding antibacterial agent into the coating agent, mixing to obtain composite solution with antibacterial effect, coating the antibacterial composite solution on the surface of PU synthetic leather in S4 with coating equipment, oven drying, and washing with water.
The preparation method of the flame retardant comprises the following steps:
adding methanol or benzoyl peroxide with the mass of 6-9% of that of dimethyl phosphite into the dimethyl phosphite at the temperature of 60-70 ℃, adding acrylamide after the dimethyl phosphite is completely dissolved, and reacting for 2-5h at the temperature of 50-80 ℃ to obtain colorless transparent liquid A.
Regulating the pH value of the colorless transparent liquid A to 6.5-7 with an alkali solution, then heating a reaction system to 70-90 ℃, dropwise adding glutaraldehyde, reacting for 3-5h, and keeping the pH value of the system to 6.5-7 to obtain a light yellow transparent liquid B.
Adjusting the pH value of the light yellow transparent liquid B to 3-5 with acid, adding pentaerythritol or starch, and reacting at 70-90 deg.C for 0.5-1.5h to obtain brown yellow oily liquid flame retardant.
The preparation method of the antibacterial agent comprises the following steps:
80-90 parts of waterborne polyurethane resin, 1.5-2 parts of flatting agent, 2-4 parts of waterborne slip agent and 3-6 parts of waterborne defoamer are mixed and stirred uniformly to obtain a mixture A.
Adding 10-20 parts of antibacterial microcapsule emulsion, 5-10 parts of nano silicon nitride and 1-3 parts of dispersing agent into 15-20 parts of deionized water, and uniformly stirring to obtain a mixture B.
And adding the mixture B into the mixture A, uniformly stirring, continuously adding 5-10 parts of aqueous extinction powder and 15-20 parts of deionized water, and uniformly stirring to obtain a mixture C.
And adding 2-3 parts of thickening agent into the mixture C, and uniformly stirring to obtain the antibacterial agent.
The preparation method of the antibacterial microcapsule emulsion comprises the following steps:
weighing 15-20 parts of houttuynia cordata, 6-8 parts of aloe extract, 6-8 parts of nano-silver and 1-3 parts of dispersing agent, adding into 20-25 parts of deionized water, and uniformly stirring to obtain solution A.
Weighing 3-5 parts of cypress oil, 3-6 parts of emulsifier and 1.5-3 parts of auxiliary emulsifier, and heating and dissolving in water bath at 70-80 ℃ to obtain solution B.
And adding the capsule wall into 20-25 parts of deionized water, and uniformly stirring to obtain a solution C.
Adding the solution C into the solution A, stirring uniformly, controlling the water bath temperature to be 55-65 ℃, adding the solution B for emulsification, and continuously stirring for 2-3h to obtain the antibacterial microcapsule emulsion.
The coagulating liquid comprises 20-25% DMF.
The preparation method of the PU dipping solution comprises the following steps:
mixing 22-28 parts of polypropylene oxide glycol and 26-30 parts of polyethylene adipate glycol-1, 4-butanediol glycol, heating to 100 ℃ and 105 ℃, and treating for 60-80 min.
Then adding 20-23 parts of IPDI, 3-4 parts of dimethylolpropionic acid and 0.2-0.4 part of dibutyl tin dilaurate, heating to 85-90 ℃, and reacting for 2-3 h.
Then adding 2-3 parts of 1, 4-butanediol and 4-6 parts of N-methyl-2-pyrrolidone, reacting for 2-3h, cooling to 40-45 ℃, diluting with acetone when cooling, adding 2-3 parts of triethylamine, and uniformly stirring to obtain the polyurethane dispersion.
And finally, adding 0.2-0.4 part of 15-20% PAMAM solution into the polyurethane dispersion, uniformly stirring, performing reduced pressure evaporation to remove acetone, and diluting with water to obtain the PU impregnation solution.
The equipment adopted in the S5 finishing process is modified flame-retardant antibacterial PU synthetic leather preparation equipment, which mainly comprises a shell 1, wherein the left side of the upper surface of the inner wall of the shell 1 is provided with a blanking device 2, the upper surface of the inner wall of the shell 1 is fixedly connected with two electric push rods 3, the heights of a support 4 and a squeeze roller 5 are adjusted by extending or shortening the electric push rods 3 through arranging the electric push rods 3, the thickness of the finishing raw materials on the PU synthetic leather is convenient for workers to adjust, the bottom ends of the two electric push rods 3 are fixedly connected to the upper surface of the support 4, the squeeze roller 5 is arranged in the support 4, the right side of the upper surface of the shell 1 is provided with a through hole 7, the upper surface of the shell 1 is provided with a filter plate 8 corresponding to the through hole 7, and the filter plate 8 can remove dust in the outside air when a first fan 9 works, a first fan 9 is fixedly connected to the left side surface of the inner wall of the shell 1, the first fan 9 is positioned below the through hole 7, a partition plate 10 is fixedly connected to the left side surface of the first fan 9, the upper surface of the partition plate 10 is fixedly connected to the upper surface of the inner wall of the shell 1, a resistance wire 11 is arranged below the first fan 9, the first fan 9 and the resistance wire 11 are arranged, the first fan 9 is started to draw air outside the shell 1 into the shell 1 from the through hole 7, the coating is dried after being heated by the resistance wire 11, the left end and the right end of the resistance wire 11 are respectively fixedly connected to the lower part of the right side surface of the partition plate 10 and the right side surface of the inner wall of the shell 1, a workbench 12 is arranged in the shell 1, the workbench 12 is positioned below the extrusion roller 5, a feed inlet 14 and a discharge outlet 15 are respectively arranged at the positions, corresponding to the workbench 12, on the left side surface and, the synthetic leather wind-up roll 16 is fixedly connected below the left side surface of the shell 1 through a support frame 17, and one end of PU synthetic leather on the synthetic leather wind-up roll 16 sequentially penetrates through the feed inlet 14 and the discharge outlet 15 and is overlapped on the upper surface of the workbench 12.
Unloader 2 includes storage case 201, storage case 201 sets up the left side at casing 1 inner wall upper surface, the lower surface of storage case 201 is provided with a plurality of blanking head 202, a plurality of blanking head 202 becomes a linear arrangement, be provided with solenoid valve 203 on the blanking head 202, through setting up unloader 2, utilize a plurality of blanking head 202, make even the falling on the PU synthetic leather of raw materials in the storage case 201, the follow-up extrusion work of being convenient for, closing or opening blanking head 202 that solenoid valve 203 can be nimble simultaneously, it is convenient to give people the operation.
Be provided with scraper 6 in the support 4, scraper 6 is located the left side of squeeze roll 5, and the shape of 6 right flank of scraper and squeeze roll 5's surface looks adaptation, through setting up scraper 6, can get rid of the coating material of adhesion on squeeze roll 5, avoid squeeze roll 5 unable even coating material pressure on the PU synthetic leather, guaranteed squeeze roll 5 normal extrudees the PU synthetic leather.
The two rollers 18 are fixedly connected to the left side surface and the right side surface of the shell 1 corresponding to the positions of the feed port 14 and the discharge port 15, opposite ends of the two rollers 18 are respectively lapped on the upper surface and the lower surface of the PU synthetic leather, and the PU synthetic leather is limited and guided by the rollers 18 through the rollers 18, so that the rollers are parallel to the workbench 12.
The right side of 12 upper surfaces of workstation is provided with hot plate 13, the below of 1 right flank of casing is provided with second fan 19, the lower fixed surface of casing 1 is connected with bottom plate 20, through setting up hot plate 13 and second fan 19, hot plate 13 can be dried the below of PU synthetic leather, the heating of cooperation first fan 9 and resistance wire 11, thereby the effect of evenly drying the PU synthetic leather has been guaranteed, and second fan 19 can be when casing 1 internal temperature is too high, utilize second fan 19 to take the inside air escape of casing 1 out, the temperature to in the casing 1 reduces.
The working principle of the invention is as follows:
s1, when in use, a worker fixes the flame-retardant modified PU synthetic leather winding roller 16 on a supporting frame 17 to coat the PU synthetic leather, firstly, the switch control electromagnetic valve 203, the electric push rod 3, the first fan 9, the resistance wire 11 and the heating plate 13 are arranged outside, when the PU synthetic leather passes through the workbench 12, a plurality of blanking heads 202 simultaneously drop the coating raw materials and are distributed on the PU synthetic leather, when the PU synthetic leather continues moving rightwards, the extrusion roller 5 rolls along the moving direction of the PU synthetic leather to uniformly extrude the coating raw materials on the PU synthetic leather, and the scraper 6 removes the coating raw materials extruded and adhered on the compression roller;
s2, after the coating raw materials are uniformly extruded on the PU synthetic leather, the coating raw materials continuously move rightwards along with the workbench 12, when the coating raw materials move to the position below the first fan 9, the first fan 9 sucks air outside the shell 1 from the through hole 7, the air is heated by the resistance wire 11, hot air flow generated by the air suction dries the PU synthetic leather, and meanwhile, the heating plate 13 heats the position below the PU synthetic leather;
and S3, finally, when the temperature inside the shell 1 is too high, controlling the second fan 19 to start, and the second fan 19 pumps the air inside the shell 1 out of the shell 1 to reduce the temperature inside the shell 1.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. A production process of modified flame-retardant antibacterial PU synthetic leather is characterized by comprising the following steps: the method comprises the following steps:
s1, acid treatment and alkali treatment: immersing the terylene base cloth in an acid treatment solution at the temperature of 70-80 ℃ for 15-20min, then drying at the temperature of 90-95 ℃ in vacuum, immersing the processed terylene base cloth in an alkali treatment solution at the temperature of 75-85 ℃ for 30-40min, washing with water after treatment, and drying to constant weight;
s2, modified flame retardance: soaking the terylene base cloth treated in the S1 in a flame retardant solution at the temperature of 25-35 ℃ for 80-100min, drying after treatment, baking at the temperature of 130-140 ℃ for 2-3min, and then washing and drying;
s3, dipping: soaking the flame-retardant modified polyester base fabric of S2 in PU dipping solution, and scraping redundant slurry;
s4, solidification: soaking the polyester base fabric soaked in the S3 into the solidification solution, taking out, washing with water, drying, and rolling to obtain PU synthetic leather;
s5, coating: adding antibacterial agent into the coating agent, mixing to obtain composite solution with antibacterial effect, coating the antibacterial composite solution on the surface of PU synthetic leather in S4 with coating equipment, oven drying, and washing with water.
2. The production process of the modified flame-retardant antibacterial PU synthetic leather according to claim 1, characterized in that: the preparation method of the flame retardant comprises the following steps:
adding methanol or benzoyl peroxide with the mass of 6-9% of that of dimethyl phosphite into the dimethyl phosphite at the temperature of 60-70 ℃, adding acrylamide after the dimethyl phosphite is completely dissolved, and reacting for 2-5h at the temperature of 50-80 ℃ to obtain colorless transparent liquid A;
regulating the pH value of the colorless transparent liquid A to 6.5-7 with an alkali solution, then heating a reaction system to 70-90 ℃, dropwise adding glutaraldehyde, reacting for 3-5h, and keeping the pH value of the system at 6.5-7 to obtain a light yellow transparent liquid B;
adjusting the pH value of the light yellow transparent liquid B to 3-5 with acid, adding pentaerythritol or starch, and reacting at 70-90 deg.C for 0.5-1.5h to obtain brown yellow oily liquid flame retardant.
3. The production process of the modified flame-retardant antibacterial PU synthetic leather according to claim 1, characterized in that: the preparation method of the antibacterial agent comprises the following steps:
mixing and stirring 80-90 parts of waterborne polyurethane resin, 1.5-2 parts of flatting agent, 2-4 parts of waterborne slip agent and 3-6 parts of waterborne defoamer uniformly to obtain a mixture A;
adding 10-20 parts of antibacterial microcapsule emulsion, 5-10 parts of nano silicon nitride and 1-3 parts of dispersing agent into 15-20 parts of deionized water, and uniformly stirring to obtain a mixture B;
adding the mixture B into the mixture A, uniformly stirring, continuously adding 5-10 parts of aqueous extinction powder and 15-20 parts of deionized water, and uniformly stirring to obtain a mixture C;
and adding 2-3 parts of thickening agent into the mixture C, and uniformly stirring to obtain the antibacterial agent.
4. The production process of the modified flame-retardant antibacterial PU synthetic leather according to claim 1, characterized in that: the preparation method of the antibacterial microcapsule emulsion comprises the following steps:
weighing 15-20 parts of houttuynia cordata, 6-8 parts of aloe extract, 6-8 parts of nano-silver and 1-3 parts of dispersing agent, adding into 20-25 parts of deionized water, and uniformly stirring to obtain solution A;
weighing 3-5 parts of cypress oil, 3-6 parts of emulsifier and 1.5-3 parts of auxiliary emulsifier, and heating and dissolving in water bath at 70-80 ℃ to obtain solution B;
adding the capsule wall into 20-25 parts of deionized water, and uniformly stirring to obtain a solution C;
adding the solution C into the solution A, stirring uniformly, controlling the water bath temperature to be 55-65 ℃, adding the solution B for emulsification, and continuously stirring for 2-3h to obtain the antibacterial microcapsule emulsion.
5. The production process of the modified flame-retardant antibacterial PU synthetic leather according to claim 1, characterized in that: the coagulating liquid comprises 20-25% DMF.
6. The production process of the modified flame-retardant antibacterial PU synthetic leather according to claim 1, characterized in that: the preparation method of the PU dipping solution comprises the following steps:
mixing 22-28 parts of polypropylene oxide glycol and 26-30 parts of polyethylene glycol adipate-1, 4-butanediol glycol, heating to 100 ℃ and 105 ℃, and treating for 60-80 min;
then adding 20-23 parts of IPDI, 3-4 parts of dimethylolpropionic acid and 0.2-0.4 part of dibutyl tin dilaurate, heating to 85-90 ℃, and reacting for 2-3 h;
then adding 2-3 parts of 1, 4-butanediol and 4-6 parts of N-methyl-2-pyrrolidone, reacting for 2-3 hours, cooling to 40-45 ℃, diluting with acetone when cooling, adding 2-3 parts of triethylamine, and uniformly stirring to obtain a polyurethane dispersion;
and finally, adding 0.2-0.4 part of 15-20% PAMAM solution into the polyurethane dispersion, uniformly stirring, performing reduced pressure evaporation to remove acetone, and diluting with water to obtain the PU impregnation solution.
7. A modified flame-retardant antibacterial PU synthetic leather preparation equipment is characterized in that: the equipment adopted in the S5 finishing procedure is modified flame-retardant antibacterial PU synthetic leather preparation equipment, mainly comprises a shell (1), and is characterized in that: the blanking device (2) is arranged on the left side of the upper surface of the inner wall of the shell (1), the upper surface of the inner wall of the shell (1) is fixedly connected with two electric push rods (3), the bottom ends of the two electric push rods (3) are fixedly connected to the upper surface of the support (4), an extrusion roller (5) is arranged in the support (4), a through hole (7) is formed in the right side of the upper surface of the shell (1), a filter plate (8) is arranged at a position, corresponding to the through hole (7), of the upper surface of the shell (1), a first fan (9) is fixedly connected to the left side surface of the inner wall of the shell (1), the first fan (9) is positioned below the through hole (7), a partition plate (10) is fixedly connected to the left side surface of the first fan (9), the upper surface of the partition plate (10) is fixedly connected to the upper surface of the inner wall of the shell (1), a resistance wire, resistance wire (11) about both ends respectively fixed connection in the below of division board (10) right flank and the right flank of casing (1) inner wall, be provided with workstation (12) in casing (1), workstation (12) are located the below of squeeze roll (5), feed inlet (14) and discharge gate (15) have been seted up respectively to the position that casing (1) left and right sides face corresponds workstation (12), the left surface of casing (1) is provided with synthetic leather wind-up roll (16), synthetic leather wind-up roll (16) pass through support frame (17) fixed connection in the below of casing (1) left surface, the one end of the PU synthetic leather on synthetic leather wind-up roll (16) passes feed inlet (14) and discharge gate (15) in proper order and the upper surface of overlap joint at workstation (12).
8. The modified flame-retardant antibacterial PU synthetic leather preparation equipment according to claim 7, characterized in that: unloader (2) are including storage case (201), storage case (201) set up the left side at casing (1) inner wall upper surface, the lower surface of storage case (201) is provided with a plurality of blanking head (202), and a plurality of blanking head (202) become a linear arrangement, be provided with solenoid valve (203) on blanking head (202).
The modified flame-retardant antibacterial PU synthetic leather preparation equipment according to claim 7, characterized in that: be provided with scraper (6) in support (4), scraper (6) are located the left side of squeeze roll (5), and the shape of scraper (6) right flank and the surperficial looks adaptation of squeeze roll (5), two equal fixedly connected with running roller (18) in the position of casing (1) left and right sides face correspondence feed inlet (14) and discharge gate (15), two the looks remote site of running roller (18) is overlap joint respectively at the upper surface and the lower surface of PU synthetic leather, the right side of workstation (12) upper surface is provided with hot plate (13), the below of casing (1) right flank is provided with second fan (19), the lower fixed surface of casing (1) is connected with bottom plate (20).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246545A (en) * | 2020-09-30 | 2021-01-22 | 广东嘉尚新能源科技有限公司 | Diaphragm gluing mechanism for lithium ion battery and operation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781572A (en) * | 2010-01-19 | 2010-07-21 | 陕西科技大学 | Method for preparing retanning-type leather fire retardant |
| WO2016059882A1 (en) * | 2014-10-15 | 2016-04-21 | 大和化学工業株式会社 | Flame-retardant polyurethane resin and flame-retardant synthetic leather |
| CN109554935A (en) * | 2018-12-29 | 2019-04-02 | 扬州市德运塑业科技股份有限公司 | A kind of antibacterial and mouldproof synthetic leather production technology |
| CN208980986U (en) * | 2018-07-17 | 2019-06-14 | 福建鸿星尔克体育用品有限公司 | A kind of coating unit of degradable ecological synthetic leather |
| CN110565395A (en) * | 2019-07-25 | 2019-12-13 | 温州珍瑾服装有限公司 | production process of PU synthetic leather |
-
2020
- 2020-04-07 CN CN202010266053.3A patent/CN111455685A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781572A (en) * | 2010-01-19 | 2010-07-21 | 陕西科技大学 | Method for preparing retanning-type leather fire retardant |
| WO2016059882A1 (en) * | 2014-10-15 | 2016-04-21 | 大和化学工業株式会社 | Flame-retardant polyurethane resin and flame-retardant synthetic leather |
| CN208980986U (en) * | 2018-07-17 | 2019-06-14 | 福建鸿星尔克体育用品有限公司 | A kind of coating unit of degradable ecological synthetic leather |
| CN109554935A (en) * | 2018-12-29 | 2019-04-02 | 扬州市德运塑业科技股份有限公司 | A kind of antibacterial and mouldproof synthetic leather production technology |
| CN110565395A (en) * | 2019-07-25 | 2019-12-13 | 温州珍瑾服装有限公司 | production process of PU synthetic leather |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246545A (en) * | 2020-09-30 | 2021-01-22 | 广东嘉尚新能源科技有限公司 | Diaphragm gluing mechanism for lithium ion battery and operation method thereof |
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