CN112895678A - Production process of lining cloth of flame-retardant protective clothing - Google Patents
Production process of lining cloth of flame-retardant protective clothing Download PDFInfo
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- CN112895678A CN112895678A CN202110160611.2A CN202110160611A CN112895678A CN 112895678 A CN112895678 A CN 112895678A CN 202110160611 A CN202110160611 A CN 202110160611A CN 112895678 A CN112895678 A CN 112895678A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/08—Impregnating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
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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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic System
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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
- 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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- 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
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
- B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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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
- D06M2101/32—Polyesters
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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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to a production process of lining cloth of flame-retardant protective clothing, which comprises the following steps: firstly, sanding one side of a base fabric; step two, carrying out alkali decrement treatment on the base cloth by adopting a sodium hydroxide solution to improve the water absorption of the polyester fabric, and then drying; step three, carrying out water bath treatment on the base cloth in a flame retardant liquid, and then dehydrating and drying the base cloth; and fourthly, spraying a heat insulating agent on the surface of the base cloth through a spraying device, bonding the two layers of base cloth, and attaching the frosted surfaces of the two layers of base cloth during bonding. According to the invention, the heat insulating agent is arranged between the two layers of base cloth to form the lining cloth with triple flame-retardant and heat-insulating functions, so that the flame-retardant property of the lining cloth is greatly improved, and the base cloth is firmly bonded with the heat insulating agent and is not easy to fall off.
Description
Technical Field
The invention relates to the technical field of flame-retardant fabrics, in particular to a production process of lining cloth of flame-retardant protective clothing.
Background
In high-temperature industries such as fire fighting, smelting and the like, the strong radiation heat energy enables common clothes to be rapidly heated, melted, decomposed and combusted, so that the skin of an operator is easily burnt, and the life safety of the operator is threatened. The flame-retardant garment is characterized in that the flame-retardant fibers are added in the fabric or the fabric is coated with the flame retardant, so that the combustion speed can be greatly reduced, the garment is automatically extinguished immediately after moving, the combustion part is quickly carbonized without melting, dropping or punching, the time for people to withdraw from the combustion site or take off the garment which is burnt is saved, the burn and scald are reduced or avoided, and the purpose of protection is achieved.
The Chinese patent with publication number CN108252108A discloses a flame-retardant fabric, which comprises a base fabric and a base fabric material woven by flame-retardant yarns, wherein a first flame-retardant layer is attached to the front surface of the base fabric, and a second flame-retardant layer is attached to the back surface of the base fabric.
Disclosure of Invention
The invention aims to provide a production process of lining cloth of flame-retardant protective clothing, which effectively improves the flame-retardant property of the lining cloth.
The above object of the present invention is achieved by the following technical solutions: a production process of lining cloth of flame-retardant protective clothing comprises the following steps:
firstly, sanding one side of a base fabric;
step two, carrying out alkali decrement treatment on the base cloth by adopting a sodium hydroxide solution to improve the water absorption of the polyester fabric, and then drying;
step three, carrying out water bath treatment on the base cloth in a flame retardant liquid, and then dehydrating and drying the base cloth;
and fourthly, spraying a heat insulating agent on the surface of the base cloth through a spraying device, bonding the two layers of base cloth, and attaching the frosted surfaces of the two layers of base cloth during bonding.
Through setting up two-layer base cloth in the application, bond through the heat insulating agent between two-layer base cloth, form the lining cloth that has triple fire-retardant thermal-insulated function, promoted the fire behaviour of lining cloth greatly. Meanwhile, in order to ensure that the heat insulating agent is firmly bonded with the base cloth, one surface of the base cloth is subjected to sanding treatment, and a fluff layer is formed on the surface of the base cloth, so that the base cloth and the heat insulating agent are firmly bonded, and the distance between the two layers of base cloth is increased due to the fluff during bonding, the thickness of the heat insulating agent layer is increased, and the flame-retardant and heat-insulating performance is further improved.
Preferably, the base cloth is woven by 50D/48F polyester yarns through a circular knitting machine.
Preferably, the heat insulating agent is a water-based polyurethane flame-retardant coating.
Preferably, in the second step, the content of the sodium hydroxide is 20-30 g/L, the treatment temperature is 90-100 ℃, and the treatment time is 30-60 min.
Preferably, the flame retardant liquid adopts a cyclic phosphate flame retardant with the content of 150-180 g/L, and adopts 10-20% sodium hydroxide solution to adjust the pH value to 6-6.5.
As preferred, the spraying device includes the spraying case and sets up shower nozzle, scraper and the hot pressing roller at the spraying incasement, the one end of spraying case is provided with first feed inlet and second feed inlet, set up about first feed inlet and the second feed inlet are, the other end of spraying case is provided with the discharge gate, shower nozzle, scraper and hot pressing roller set gradually to the discharge gate direction along first feed inlet.
Preferably, an eccentric roller is arranged below the spray head, and the eccentric roller generates periodic vibration on the base cloth through rotation.
In the spraying process, the base cloth periodically vibrates, so that the heat insulating agent on the surface is uniformly distributed by vibration, and can penetrate into the fluff layer downwards to prevent the heat insulating agent from staying on the surface of the fluff layer.
Preferably, a rubber roller is arranged between the first feeding hole and the hot-pressing roller, and the rubber roller is arranged below the upper-layer base cloth.
In the process of conveying the base cloth, the fluff layers are inevitably pressed and stacked together when the driving roller is contacted, at the moment, the heat insulating agent is often stopped on the surface of the fluff layers and cannot permeate into the fluff layers during adhesion, so that the connection strength of the base cloth and the heat insulating agent is reduced.
Preferably, a reciprocating driving mechanism used for driving the rubber roller to axially reciprocate is arranged in the spraying box, the reciprocating driving mechanism comprises a fixed guide frame, a movable frame movably arranged on the fixed guide frame, an eccentric driving wheel arranged on the fixed guide frame and a transmission arm connected between the movable frame and the eccentric driving wheel, and the rubber roller is rotatably arranged on the movable frame.
The invention has the beneficial effects that: according to the invention, the heat insulating agent is arranged between the two layers of base cloth to form the lining cloth with triple flame-retardant and heat-insulating functions, so that the flame-retardant property of the lining cloth is greatly improved, and the base cloth is firmly bonded with the heat insulating agent and is not easy to fall off.
Drawings
FIG. 1 is a schematic view of a spray coating device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a reciprocating drive mechanism in an embodiment of the present invention;
in the figure: 1-spraying box, 101-first feeding hole, 102-second feeding hole, 103-discharging hole, 2-spraying head, 3-scraper, 4-hot pressing roller, 5-eccentric roller, 6-carrier roller, 7-lower guide roller, 8-upper guide roller, 9-reciprocating driving mechanism, 901-fixed guide frame, 902-movable frame, 903-eccentric driving wheel, 904-driving arm, 10-rubber roller, 11-lower layer base cloth and 12-upper layer base cloth.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example 1: a production process of lining cloth of flame-retardant protective clothing comprises the following steps:
the first step is to carry out sanding treatment on one surface of the base cloth through a sanding roller, a fluff layer is formed on one surface of the base cloth, the thickness of the fluff layer is 0.5-1.5 mm, and the base cloth is woven by 50D/48F polyester yarns through a circular weaving machine.
And step two, carrying out alkali decrement treatment on the base fabric by adopting a sodium hydroxide solution to improve the water absorption of the polyester fabric, and then drying. Wherein the content of sodium hydroxide in the sodium hydroxide solution is 20g/L, the treatment temperature is 90 ℃, and the treatment time is 60 min.
And step three, performing water bath treatment on the base cloth in the flame retardant liquid, and then dehydrating and drying the base cloth. The flame retardant liquid adopts a cyclic phosphate flame retardant with the content of 150g/L, and the PH value is adjusted to 6.5 by adopting a 20 percent sodium hydroxide solution.
And fourthly, spraying a heat insulating agent on the surface of the base cloth through a spraying device, bonding the two layers of base cloth, and attaching the frosted surfaces of the two layers of base cloth during bonding.
The heat insulating agent is waterborne polyurethane flame retardant paint, and the waterborne polyurethane flame retardant paint consists of base resin, a dehydrating agent, a carbonizing agent, a foaming agent and an auxiliary agent, wherein the base resin is modified or unmodified waterborne polyurethane; the dehydrating agent is ammonium polyphosphate or substance phosphate, and phosphoric acid generated by thermal decomposition is easy to generate dehydration reaction with a carbonizing agent in the coating to promote the coating to generate a non-combustible carbon layer; the charring agent is polyamine or pentaerythritol or polypentaerythritol, forms a foam charring layer with a porous structure and difficult combustion at high temperature, and plays a role of a skeleton for the foam charring layer; the foaming agent is ammonium carbonate or ammonium polyphosphate, which decomposes incombustible gas in case of fire and expands the heat insulating agent layer.
Example 2: a production process of lining cloth of flame-retardant protective clothing comprises the following steps:
the first step is to carry out sanding treatment on one surface of the base cloth through a sanding roller, a fluff layer is formed on one surface of the base cloth, the thickness of the fluff layer is 0.5-1.5 mm, and the base cloth is woven by 50D/48F polyester yarns through a circular weaving machine.
And step two, carrying out alkali decrement treatment on the base fabric by adopting a sodium hydroxide solution to improve the water absorption of the polyester fabric, and then drying. Wherein the content of sodium hydroxide in the sodium hydroxide solution is 25g/L, the treatment temperature is 95 ℃, and the treatment time is 40 min.
And step three, performing water bath treatment on the base cloth in the flame retardant liquid, and then dehydrating and drying the base cloth. The flame retardant liquid adopts a cyclic phosphate flame retardant with the content of 160g/L, and adopts 15 percent sodium hydroxide solution to adjust the pH value to 6.5.
And fourthly, spraying a heat insulating agent on the surface of the base cloth through a spraying device, bonding the two layers of base cloth, and attaching the frosted surfaces of the two layers of base cloth during bonding.
Example 3: a production process of lining cloth of flame-retardant protective clothing comprises the following steps:
the first step is to carry out sanding treatment on one surface of the base cloth through a sanding roller, a fluff layer is formed on one surface of the base cloth, the thickness of the fluff layer is 0.5-1.5 mm, and the base cloth is woven by 50D/48F polyester yarns through a circular weaving machine.
And step two, carrying out alkali decrement treatment on the base fabric by adopting a sodium hydroxide solution to improve the water absorption of the polyester fabric, and then drying. Wherein the content of sodium hydroxide in the sodium hydroxide solution is 30g/L, the treatment temperature is 100 ℃, and the treatment time is 50 min.
And step three, performing water bath treatment on the base cloth in the flame retardant liquid, and then dehydrating and drying the base cloth. The flame retardant liquid adopts a cyclic phosphate flame retardant with the content of 170g/L, and adopts 10 percent sodium hydroxide solution to adjust the PH value to 6.
And fourthly, spraying a heat insulating agent on the surface of the base cloth through a spraying device, bonding the two layers of base cloth, and attaching the frosted surfaces of the two layers of base cloth during bonding.
Example 4: a production process of lining cloth of flame-retardant protective clothing comprises the following steps:
the first step is to carry out sanding treatment on one surface of the base cloth through a sanding roller, a fluff layer is formed on one surface of the base cloth, the thickness of the fluff layer is 0.5-1.5 mm, and the base cloth is woven by 50D/48F polyester yarns through a circular weaving machine.
And step two, carrying out alkali decrement treatment on the base fabric by adopting a sodium hydroxide solution to improve the water absorption of the polyester fabric, and then drying. Wherein the content of sodium hydroxide in the sodium hydroxide solution is 20g/L, the treatment temperature is 100 ℃, and the treatment time is 60 min.
And step three, performing water bath treatment on the base cloth in the flame retardant liquid, and then dehydrating and drying the base cloth. The flame retardant liquid adopts a cyclic phosphate flame retardant with the content of 180g/L, and the PH value is adjusted to 6.5 by adopting a 20 percent sodium hydroxide solution.
And fourthly, spraying a heat insulating agent on the surface of the base cloth through a spraying device, bonding the two layers of base cloth, and attaching the frosted surfaces of the two layers of base cloth during bonding.
Example 5: a production process of lining cloth of flame-retardant protective clothing comprises the following steps:
the first step is to carry out sanding treatment on one surface of the base cloth through a sanding roller, a fluff layer is formed on one surface of the base cloth, the thickness of the fluff layer is 0.5-1.5 mm, and the base cloth is woven by 50D/48F polyester yarns through a circular weaving machine.
And step two, carrying out alkali decrement treatment on the base fabric by adopting a sodium hydroxide solution to improve the water absorption of the polyester fabric, and then drying. Wherein the content of sodium hydroxide in the sodium hydroxide solution is 30g/L, the treatment temperature is 90 ℃, and the treatment time is 30 min.
And step three, performing water bath treatment on the base cloth in the flame retardant liquid, and then dehydrating and drying the base cloth. The flame retardant liquid adopts a cyclic phosphate flame retardant with the content of 150g/L, and adopts 10 percent sodium hydroxide solution to adjust the PH value to 6.
And fourthly, spraying a heat insulating agent on the surface of the base cloth through a spraying device, bonding the two layers of base cloth, and attaching the frosted surfaces of the two layers of base cloth during bonding.
As shown in fig. 1 and fig. 2, the spraying device includes a spraying box 1, and a nozzle 2, a scraper 3 and a hot press roller 4 which are arranged in the spraying box 1, one end of the spraying box 1 is provided with a first feeding hole 101 and a second feeding hole 102, the first feeding hole 101 and the second feeding hole 102 are arranged up and down, the other end of the spraying box 1 is provided with a discharging hole 103, and the nozzle 2, the scraper 3 and the hot press roller 4 are sequentially arranged along the direction from the first feeding hole 101 to the discharging hole 103. The first throat 101 is provided with an upper guide roller 8, and the second throat 102 is provided with a lower guide roller 7.
The upper base cloth 12 enters the spraying box 1 from the first feed opening 101, the lower base cloth 11 enters the spraying box 1 from the second feed opening 102, wherein the fluff layer of the upper base cloth 12 is positioned below the upper base cloth 12, and the fluff layer of the lower base cloth 11 is positioned above the lower base cloth 11. Shower nozzle 2 and scraper 3 are located the top of lower floor's base cloth 11, and bearing roller 6 is installed to the below of scraper 3, and the below of shower nozzle 2 is provided with eccentric roller 5, and eccentric roller 5 is the drive roll, and eccentric roller 5 makes the base cloth produce periodic vibration through rotating.
The number of the hot press rollers 4 is two, the hot press rollers are arranged in parallel up and down, the hot press rollers 4 are electric heat rollers, and after the upper-layer base cloth 12 is bonded with the lower-layer base cloth 11, the two hot press rollers 4 are subjected to hot press bonding.
A rubber roller 10 is disposed between the first throat 101 and the heat and pressure roller 4, and the rubber roller 10 is disposed under the upper base fabric.
As shown in fig. 2, a reciprocating drive mechanism 9 for driving the rubber roller 10 to axially reciprocate is arranged in the spraying box 1, the reciprocating drive mechanism 9 includes a fixed guide frame 901, a movable frame 902 movably mounted on the fixed guide frame 901, an eccentric drive wheel 903 mounted on the fixed guide frame 901, and a drive arm 904 connected between the movable frame 902 and the eccentric drive wheel 903, and the rubber roller 10 is rotatably mounted on the movable frame 902. The rubber roller 10 is moved relative to the nap layer of the upper base fabric 12 by the movement of the rubber roller 10, and the nap layer is rubbed to generate static electricity.
Claims (9)
1. A production process of the lining cloth of the flame-retardant protective clothing is characterized by comprising the following steps:
firstly, sanding one side of a base fabric;
step two, carrying out alkali decrement treatment on the base cloth by adopting a sodium hydroxide solution to improve the water absorption of the polyester fabric, and then drying;
step three, carrying out water bath treatment on the base cloth in a flame retardant liquid, and then dehydrating and drying the base cloth;
and fourthly, spraying a heat insulating agent on the surface of the base cloth through a spraying device, bonding the two layers of base cloth, and attaching the frosted surfaces of the two layers of base cloth during bonding.
2. The production process of the lining cloth of the flame-retardant protective clothing according to claim 1, which is characterized in that: the base cloth is woven by 50D/48F polyester yarns through a circular weaving machine.
3. The production process of the lining cloth of the flame-retardant protective clothing according to claim 2, which is characterized in that: the heat insulating agent is a waterborne polyurethane flame-retardant coating.
4. The production process of the lining cloth of the flame-retardant protective clothing according to claim 1, which is characterized in that: in the second step, the content of the sodium hydroxide is 20-30 g/L, the treatment temperature is 90-100 ℃, and the treatment time is 30-60 min.
5. The production process of the lining cloth of the flame-retardant protective clothing according to claim 1, which is characterized in that: the flame retardant liquid adopts a cyclic phosphate flame retardant with the content of 150-180 g/L, and adopts 10-20% of sodium hydroxide solution to adjust the pH value to 6-6.5.
6. The production process of the lining cloth of the flame-retardant protective clothing according to claim 1, which is characterized in that: the spraying device comprises a spraying box (1) and a spray head (2), a scraper (3) and a hot pressing roller (4) which are arranged in the spraying box (1), wherein one end of the spraying box (1) is provided with a first feed inlet (101) and a second feed inlet (102), the first feed inlet (101) and the second feed inlet (102) are arranged from top to bottom, the other end of the spraying box (1) is provided with a discharge outlet (103), and the spray head (2), the scraper (3) and the hot pressing roller (4) are sequentially arranged along the direction from the first feed inlet (101) to the discharge outlet (103).
7. The production process of the lining cloth of the flame-retardant protective clothing, according to claim 6, is characterized in that: an eccentric roller (5) is arranged below the spray head (2), and the eccentric roller (5) enables the base cloth to generate periodic vibration through rotation.
8. The production process of the lining cloth of the flame-retardant protective clothing, according to claim 6, is characterized in that: a rubber roller (10) is arranged between the first feeding hole (101) and the hot pressing roller (4), and the rubber roller (10) is arranged below the upper-layer base cloth.
9. The production process of the lining cloth of the flame-retardant protective clothing according to claim 8, which is characterized in that: the spraying box (1) is internally provided with a reciprocating driving mechanism (9) for driving the rubber roller (10) to axially reciprocate, the reciprocating driving mechanism (9) comprises a fixed guide frame (901), a movable frame (902) movably arranged on the fixed guide frame (901), an eccentric driving wheel (903) arranged on the fixed guide frame (901) and a transmission arm (904) connected between the movable frame (902) and the eccentric driving wheel (903), and the rubber roller (10) is rotatably arranged on the movable frame (902).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110160611.2A CN112895678B (en) | 2021-02-05 | 2021-02-05 | Production process of lining cloth of flame-retardant protective clothing |
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| CN113668171A (en) * | 2021-08-06 | 2021-11-19 | 江苏昊能新材料科技有限公司 | Production process of flame-retardant and heat-insulating polyester fabric |
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