CN120902369A - Composite flame-retardant fabric applied to metal melting splash protection and preparation method thereof - Google Patents

Composite flame-retardant fabric applied to metal melting splash protection and preparation method thereof

Info

Publication number
CN120902369A
CN120902369A CN202510994795.0A CN202510994795A CN120902369A CN 120902369 A CN120902369 A CN 120902369A CN 202510994795 A CN202510994795 A CN 202510994795A CN 120902369 A CN120902369 A CN 120902369A
Authority
CN
China
Prior art keywords
fabric
retardant
base fabric
layer
flame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202510994795.0A
Other languages
Chinese (zh)
Inventor
瞿俊荣
陈璐
朱彤彤
韩琳
吴成龙
季云荷
浦海涵
周洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Yancheng Lanbang Special Textile Group Co ltd
Original Assignee
Jiangsu Yancheng Lanbang Special Textile Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Yancheng Lanbang Special Textile Group Co ltd filed Critical Jiangsu Yancheng Lanbang Special Textile Group Co ltd
Priority to CN202510994795.0A priority Critical patent/CN120902369A/en
Publication of CN120902369A publication Critical patent/CN120902369A/en
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/04—Removing or cutting-off the supply of inflammable material
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/08—Heat resistant; Fire retardant
    • A41D31/085—Heat resistant; Fire retardant using layered materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4825—Pressure sensitive adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B29C66/7422—Aluminium or alloys of aluminium
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • 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
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    • 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
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    • 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
    • B32B37/1284—Application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B32B38/0036—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
    • D03D15/225—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based artificial, e.g. viscose
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
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    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
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    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • B32B2038/168—Removing solvent
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2307/582—Tearability
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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    • D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Laminated Bodies (AREA)

Abstract

本发明涉及一种应用于金属熔融喷溅防护的复合阻燃面料及其制备方法，属于特种防护材料技术领域，包括基布层、金属功能层、胶黏剂层，所述基布层与金属功能层通过胶黏剂层连接，所述基布层由基布纱线织造构成。本发明中，这样的应用于金属熔融喷溅防护的复合阻燃面料通过基布层、铝箔层及阻燃胶黏层的组合，结合压光‑阶梯熟化工艺，解决了熔融金属附着、高温失稳及界面分层的技术瓶颈，产品实现面料克重：330‑480gsm；厚度：0.5‑2mm；断裂强力≥1500N；撕破强力≥100N；防铝水喷溅等级：D3；防铁水喷溅等级：E3；热防护性能TPP≥20cal/cm2；260℃热尺寸稳定性≤3％；剥离强度≥30N/5cm；耐静态水压≥100kPa的技术指标。

This invention relates to a composite flame-retardant fabric for protection against molten metal splashes and its preparation method, belonging to the field of special protective materials technology. It includes a base fabric layer, a metal functional layer, and an adhesive layer, with the base fabric layer and metal functional layer connected by the adhesive layer. The base fabric layer is woven from base fabric yarns. In this invention, the composite flame-retardant fabric for protection against molten metal splashes, through the combination of a base fabric layer, an aluminum foil layer, and a flame-retardant adhesive layer, combined with a calendering-step curing process, solves the technical bottlenecks of molten metal adhesion, high-temperature instability, and interface delamination. The product achieves the following technical indicators: fabric weight: 330-480 gsm; thickness: 0.5-2 mm; tensile strength ≥1500 N; tear strength ≥100 N; aluminum splash protection rating: D3; iron splash protection rating: E3; thermal protection performance (TPP) ≥20 cal/cm²; 260℃ thermal dimensional stability ≤3%; peel strength ≥30 N/5 cm; static water pressure resistance ≥100 kPa.

Description

Composite flame-retardant fabric applied to metal melting splash protection and preparation method thereof
Technical Field
The invention relates to the technical field of special protective materials, in particular to a composite flame-retardant fabric applied to metal melting splash protection and a preparation method thereof.
Background
The composite flame-retardant fabric mainly applied to metal melting splash protection is a multilayer functional fabric specially developed for high-temperature and high-risk environments such as metallurgy, casting, electric welding, glass manufacturing and the like, and has the core design aim of realizing active protection on molten metal splashing with the temperature of 800-1400 ℃ on the basis of flame retardance and simultaneously taking heat insulation, moisture permeability and wearing comfort into consideration.
The traditional metal melting protective fabric mainly has the following problems that 1, the molten metal is insufficient in molten drop resistance, the adhesive force of the molten metal is strong, pure flame-retardant cotton is easy to carbonize and perforate when meeting high-temperature metal liquid drops, 2, the heat protection durability is poor, a reflecting layer of an aluminized film fabric drops after being washed for many times, the heat insulation performance is attenuated, 3, the comfort defect is caused by a thick structure, the moisture permeability is poor, the heat accumulation injury is easy to be caused, and in order to solve the problems, the composite flame-retardant fabric applied to the metal melting splash protection and the preparation method thereof are provided, the penetration of the molten metal liquid drops can be effectively blocked, the structural stability under the high-temperature environment is maintained, the balance of the protection and the comfort is realized, and the fabric is used for high-risk environments such as metal smelting and casting, and particularly for the active protection of molten aluminum water and molten iron splash.
Disclosure of Invention
The invention provides a composite flame-retardant fabric applied to metal melting splash protection and a preparation method thereof, which solve the problems of insufficient molten drop resistance, poor thermal protection durability and comfort defect of the traditional metal melting protective fabric. The aluminum foil surface is smooth and high temperature resistant, and can slide quickly at the moment of contact of molten aluminum or molten iron, so that scalding of a human body is avoided.
The technical scheme for solving the technical problems is that the composite flame-retardant fabric applied to metal melting splash protection comprises a base cloth layer, a metal functional layer and an adhesive layer, wherein the base cloth layer is connected with the metal functional layer through the adhesive layer, the base cloth layer is formed by weaving base cloth yarns, the base cloth yarns are formed by blending 40wt% of para-aramid fibers, 40wt% of pre-oxidized fibers, 10wt% of modified acrylic fibers and 10wt% of flame-retardant viscose fibers, the metal functional layer is made of aluminum foil, and the adhesive layer comprises polyurethane resin adhesive, modified ammonium polyphosphate compound flame retardant and boron trifluoride complex curing agent;
The main technical indexes of the composite flame-retardant fabric are that the fabric gram weight is 330-480gsm, the thickness is 0.5-2mm, the breaking strength is more than or equal to 1500N, the tearing strength is more than or equal to 100N, the aluminum water splashing prevention grade is D3, the molten iron splashing prevention grade is E3, the thermal protection performance TPP is more than or equal to 20cal/cm < 2 >, the thermal dimensional stability at 260 ℃ is less than or equal to 3%, the peeling strength is more than or equal to 30N/5cm, and the static water pressure resistance is more than or equal to 100kPa;
the preparation method comprises the following steps:
s1, preprocessing a base fabric, namely, after the base fabric layer is formed by weaving base fabric yarns, carrying out surface calendering on the base fabric layer fabric to eliminate surface hairiness;
s2, preparing an adhesive, mixing polyurethane resin, a flame retardant and a curing agent in proportion, and controlling the temperature to be less than or equal to 30 ℃;
S3, coating the adhesive on the base cloth by a doctor blade in a coating process, wherein the coating weight is 5-30g/m <2 >;
S4, hot-pressing compounding, namely hot-pressing compounding is carried out on the aluminum foil and the base cloth;
S5, curing, namely placing the composite fabric in a drying room for curing;
s6, winding and packaging, and rolling and packaging the cured fabric to obtain a finished product.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the specification of the base fabric yarn is 5-30S/2, and the base fabric yarn is woven in 1/1 plain weave or 2/1 twill weave, and the gram weight is 200-450gsm.
Further, the aluminum content of the aluminum foil is more than or equal to 98 percent, and the thickness is 1-20 mu m.
Further, the mass ratio of the polyurethane resin adhesive to the modified ammonium polyphosphate compound flame retardant to the boron trifluoride complex curing agent is 7:2:1-5:3:2.
In the step S1, a three-roller calender is adopted to carry out surface calendering treatment on the base cloth layer fabric, the calendering pressure is 0.3-1.5MPa, the contact area in the compounding process is increased, and the bonding fastness is improved.
In step S2, a temperature-controlled high-speed dispersion kettle is adopted to mix the polyurethane resin adhesive, the modified ammonium polyphosphate compound flame retardant and the boron trifluoride complex curing agent to prepare the adhesive, the stirring speed is 500-1500rpm, and the stirring temperature is less than or equal to 30 ℃.
Further, in step S3, the coating process uses a doctor blade coater to uniformly coat the adhesive on the surface of the base fabric, so that the thickness of the adhesive layer is uniform, and the adhesive layer is dried by using a hot air drying box, wherein the drying temperature is 60-80 ℃.
In step S4, the hot-pressing compounding process adopts a hot-pressing compounding machine to carry out pressure gluing on the aluminum foil and the coated base cloth, wherein the pressure control range is 1.5-2.5Mpa, and the temperature is 160-180 ℃.
In step S5, a bridge type hot air circulation drying room is adopted, the curing temperature is 80-100 ℃, the curing time is 20-40h, the wind speed is 0.5-2m/S, and the curing process can effectively improve the composite fastness of the composite fabric.
In step S6, the cured fabric is wound and packaged by adopting a constant tension central winding machine, and the tension is controlled to be 5-20N, so that the wrinkles of the composite fabric are avoided.
The invention has the beneficial effects that the invention provides the composite flame-retardant fabric applied to metal melting splash protection and the preparation method thereof, and the composite flame-retardant fabric has the following advantages:
1. the problems that traditional flame-retardant cotton is easy to carbonize and adhere to high-temperature metal liquid drops to cause heat penetration burn are solved, the surface tension of the molten drops is reduced through an ultrathin aluminum foil layer, the infiltration of molten metal is blocked, and the adhesion prevention protection of molten aluminum and molten iron is realized;
2. the problem of insufficient protection durability of the traditional aluminized film fabric is solved, and the structural stability in a high-temperature damp-heat environment is ensured through high-temperature carbonization sealing pores of the pre-oxidized fiber and the aramid fiber rigid support;
3. The capillary moisture-conducting channel and the adhesive layer are formed through the base cloth blending system, so that the problems of poor moisture permeability and high worker heat stress risk caused by the traditional thick structure are solved, and the balance problem of protectiveness and comfortableness is broken through;
4. solves the problems of delamination and aluminum foil stripping initiation of protection failure of the conventional adhesive at high temperature, realizes long-acting adhesion of a composite interface through boron trifluoride complex catalytic crosslinking and step curing process, effectively improves the stripping strength, and is more washable;
5. The composite flame-retardant fabric applied to metal melting splash protection solves the technical bottlenecks of adhesion, high Wen Shiwen and interface layering of molten metal through a combination of a base fabric layer, an aluminum foil layer and a flame-retardant adhesive layer and a calendaring-step curing process, achieves the fabric gram weight of 330-480gsm, the thickness of 0.5-2mm, the breaking strength of more than or equal to 1500N, the tearing strength of more than or equal to 100N, the aluminum water splash prevention grade of D3, the molten iron splash prevention grade of E3, the thermal protection performance of TPP of more than or equal to 20cal/cm <2 >, the thermal dimensional stability of 260 ℃ of less than or equal to 3%, the peeling strength of more than or equal to 30N/5cm and the static water pressure resistance of more than or equal to 100kPa, and forms the high-performance composite fabric by thermally bonding the high-performance flame-retardant fabric with the characteristics of smooth and high temperature resistance of the aluminum foil surface, and rapidly slides at the moment of aluminum liquid or molten iron contact, so that human body scalds are avoided.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic structural diagram of a composite flame retardant fabric applied to metal melting splash protection and a preparation method thereof according to an embodiment of the invention;
Fig. 2 is a split schematic diagram of a composite flame retardant fabric applied to metal melting splash protection and a preparation method thereof according to an embodiment of the invention:
1. A base cloth layer, a bonding agent layer and a metal functional layer.
Detailed Description
The principles and features of the present invention are described below with reference to fig. 1-2, the examples being provided for illustration only and not for limitation of the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The embodiment of the invention provides a composite flame-retardant fabric applied to metal melting splash protection and a preparation method thereof, as shown in figures 1-2, wherein the composite flame-retardant fabric comprises a base cloth layer 1, a metal functional layer 3 and an adhesive layer 2, wherein the base cloth layer 1 is connected with the metal functional layer 3 through the adhesive layer 2, the base cloth layer 1 is formed by weaving base cloth yarns, the base cloth yarns are formed by blending 40wt% of para-aramid fibers, 40wt% of pre-oxidized fibers, 10wt% of modified acrylic fibers and 10wt% of flame-retardant viscose fibers, the metal functional layer 3 adopts aluminum foil, and the adhesive layer 2 comprises polyurethane resin adhesive, modified ammonium polyphosphate compound flame retardant and boron trifluoride complex curing agent.
Preferably, the base fabric yarns are 5-30S/2 gauge woven in 2/1 twill, with a grammage of 250gsm.
Preferably, the aluminum content of the aluminum foil is more than or equal to 98 percent and the thickness is 5 mu m.
Preferably, the mass ratio of the polyurethane resin adhesive to the modified ammonium polyphosphate compound flame retardant to the boron trifluoride complex curing agent is 7:2:1.
The preparation method comprises the following steps:
S1, preprocessing a base fabric, wherein the base fabric layer 1 is formed by weaving base fabric yarns, the base fabric yarns comprise 40% of para-aramid fibers, 40% of pre-oxidized fibers, 10% of modified acrylic fibers and 10% of flame-retardant viscose, the base fabric yarns are woven by 20S/2 strands and 2/1 twill, and the gram weight is 250gsm;
adopting a three-roller calender to carry out surface calendering treatment on the fabric of the base cloth layer 1, wherein the calendering pressure is 1.50MPa, eliminating surface hairiness, increasing the contact area in the compounding process and improving the bonding fastness;
S2, preparing an adhesive, namely mixing a polyurethane resin adhesive, a modified ammonium polyphosphate compound flame retardant and a boron trifluoride complex curing agent by using a temperature-controlled high-speed dispersion kettle to prepare the adhesive, wherein the proportion of the polyurethane resin adhesive to the modified ammonium polyphosphate compound flame retardant to the boron trifluoride complex curing agent is 7:2:1, the stirring speed is 1000rpm, and the stirring temperature is 20 ℃;
S3, uniformly coating an adhesive on the surface of the base cloth by using a doctor blade coater, wherein the coating weight is 10g/m <2>, so that the thickness of the adhesive layer is uniform, and drying the adhesive layer by using a hot air drying box, wherein the drying temperature is 80 ℃;
S4, hot-pressing compounding, namely performing pressure gluing on the aluminum foil and the coated base cloth by adopting a hot-pressing compounding machine, wherein the pressure is 2.0Mpa, and the temperature is controlled to be 160 ℃;
s5, curing, namely curing the compounded fabric by adopting a bridge type hot air circulation drying room, wherein the curing temperature is 90 ℃, the curing time is 25 hours, the wind speed is 1.5m/S, and the curing process can effectively improve the compound fastness of the compounded fabric;
s6, winding and packaging, namely winding and packaging the cured fabric by adopting a constant-tension central winding machine, so as to avoid the wrinkles of the composite fabric;
The performance indexes of the metal melting splash composite flame-retardant protective fabric are as follows:
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. What is not described in detail in this specification is prior art known to those skilled in the art.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and those skilled in the art may easily implement the present invention as shown in the drawings and described above, but many modifications, adaptations and variations of the present invention using the above disclosed technical matters without departing from the scope of the present invention, and meanwhile, any equivalent modifications, adaptations and variations of the above embodiments according to the essential technology of the present invention are within the scope of the technical matters of the present invention.

Claims (10)

1.一种应用于金属熔融喷溅防护的复合阻燃面料，包括基布层(1)、金属功能层(3)、胶黏剂层(2)，其特征在于，所述基布层(1)与金属功能层(3)通过胶黏剂层(2)连接，所述基布层(1)由基布纱线织造构成，基布纱线由对位芳纶纤维40wt％、预氧丝纤维40wt％、改性腈纶纤维10wt％、阻燃粘胶纤维10wt％混纺制成，所述金属功能层(3)采用铝箔，所述胶黏剂层(2)包括聚氨酯树脂胶黏剂、改性聚磷酸铵化合物阻燃剂、三氟化硼络合物固化剂；1. A composite flame-retardant fabric for protection against metal molten metal splashes, comprising a base fabric layer (1), a metal functional layer (3), and an adhesive layer (2), characterized in that the base fabric layer (1) and the metal functional layer (3) are connected by the adhesive layer (2), the base fabric layer (1) is woven from base fabric yarn, the base fabric yarn is made of a blend of 40wt% para-aramid fiber, 40wt% pre-oxidized fiber, 10wt% modified acrylic fiber, and 10wt% flame-retardant viscose fiber, the metal functional layer (3) is made of aluminum foil, and the adhesive layer (2) comprises polyurethane resin adhesive, modified ammonium polyphosphate compound flame retardant, and boron trifluoride complex curing agent; 复合阻燃面料的主要技术指标为面料克重：330-480gsm；厚度：0.5-2mm；断裂强力≥1500N；撕破强力≥100N；防铝水喷溅等级：D3；防铁水喷溅等级：E3；热防护性能TPP≥20cal/cm2；260℃热尺寸稳定性≤3％；剥离强度≥30N/5cm；耐静态水压≥100kPa；The main technical specifications of the composite flame-retardant fabric are as follows: fabric weight: 330-480 gsm; thickness: 0.5-2 mm; tensile strength ≥1500 N; tear strength ≥100 N; aluminum splash resistance rating: D3; iron splash resistance rating: E3; thermal protection performance (TPP) ≥20 cal/cm2; 260℃ thermal dimensional stability ≤3%; peel strength ≥30 N/5 cm; static water pressure resistance ≥100 kPa. 制备方法包括如下步骤：The preparation method includes the following steps: S1，基布预处理，基布层(1)由基布纱线织造构成后，对基布层(1)面料进行表面压光处理；S1, base fabric pretreatment, the base fabric layer (1) is made of base fabric yarn and then the fabric of the base fabric layer (1) is subjected to surface calendering treatment. S2，胶黏剂配制，聚氨酯树脂、阻燃剂、固化剂按比例混合，温度控制≤30℃；S2, adhesive formulation, polyurethane resin, flame retardant and curing agent are mixed in proportion, and the temperature is controlled at ≤30℃; S3，涂覆工艺，刮刀涂布胶黏剂于基布，涂布量5-30g/m2；S3, coating process, adhesive is applied to the base fabric with a doctor blade, coating amount 5-30g/ m2 ; S4，热压复合，铝箔与基布进行热压复合；S4, hot-pressing composite, aluminum foil and base fabric are hot-pressed together; S5，熟化处理，将复合完成后的面料放置于烘房中进行熟化；S5, curing treatment, involves placing the laminated fabric in a drying room for curing. S6，卷绕包装，将上述熟化后的面料打卷包装即完成成品。S6, Roll-up packaging: The cured fabric is rolled up and packaged to complete the finished product. 2.根据权利要求1所述一种应用于金属熔融喷溅防护的复合阻燃面料，其特征在于，所述基布纱线的规格为5-30S/2，以1/1平纹或2/1斜纹织造，克重200-450gsm。2. The composite flame-retardant fabric for protection against molten metal splashes according to claim 1, characterized in that the base fabric yarn has a specification of 5-30S/2, is woven in 1/1 plain weave or 2/1 twill weave, and has a weight of 200-450gsm. 3.根据权利要求1所述一种应用于金属熔融喷溅防护的复合阻燃面料，其特征在于，所述铝箔铝含量≥98％，厚度1-20μm。3. The composite flame-retardant fabric for protection against molten metal splashes according to claim 1, characterized in that the aluminum foil has an aluminum content of ≥98% and a thickness of 1-20μm. 4.根据权利要求1所述一种应用于金属熔融喷溅防护的复合阻燃面料，其特征在于，所述聚氨酯树脂胶黏剂、改性聚磷酸铵化合物阻燃剂、三氟化硼络合物固化剂的三者质量比为7:2:1-5:3:2。4. The composite flame-retardant fabric for protection against molten metal splashes according to claim 1, characterized in that the mass ratio of the polyurethane resin adhesive, the modified ammonium polyphosphate compound flame retardant, and the boron trifluoride complex curing agent is 7:2:1-5:3:2. 5.根据权利要求1所述一种应用于金属熔融喷溅防护的复合阻燃面料，其特征在于，步骤S1中，采用三辊压光机对基布层面料进行表面压光处理压光压力0.3-1.5MPa。5. The composite flame-retardant fabric for protection against metal molten splashes according to claim 1, characterized in that, in step S1, a three-roll calender is used to perform surface calendering treatment on the base fabric layer with a calendering pressure of 0.3-1.5 MPa. 6.根据权利要求1所述一种应用于金属熔融喷溅防护的复合阻燃面料，其特征在于，步骤S2中，采用温控高速分散釜将聚氨酯树脂胶黏剂、改性聚磷酸铵化合物阻燃剂、三氟化硼络合物固化剂混合制成胶黏剂，搅拌转速为500-1500rpm，搅拌温度≤30℃。6. The composite flame-retardant fabric for protection against metal molten splashes according to claim 1, characterized in that, in step S2, a temperature-controlled high-speed dispersion kettle is used to mix polyurethane resin adhesive, modified ammonium polyphosphate compound flame retardant, and boron trifluoride complex curing agent to form an adhesive, the stirring speed is 500-1500 rpm, and the stirring temperature is ≤30℃. 7.根据权利要求1所述一种应用于金属熔融喷溅防护的复合阻燃面料，其特征在于，步骤S3中，涂覆工艺采用刮刀式涂布机在基布表面均匀涂上胶黏剂，采用热风烘干箱对胶黏剂层烘干，烘干温度为60-80℃。7. The composite flame-retardant fabric for protection against molten metal splashes according to claim 1, characterized in that, in step S3, the coating process uses a doctor blade coating machine to uniformly coat the adhesive on the surface of the base fabric, and a hot air drying oven is used to dry the adhesive layer at a drying temperature of 60-80℃. 8.根据权利要求1所述一种应用于金属熔融喷溅防护的复合阻燃面料，其特征在于，步骤S4中，热压复合工艺采用热压复合机将铝箔与涂覆后的基布进行压力粘胶，压力控制范围为1.5-2.5Mpa，温度控制为160-180℃。8. The composite flame-retardant fabric for protection against molten metal splashes according to claim 1, characterized in that, in step S4, the hot-pressing composite process uses a hot-pressing composite machine to pressure-bond the aluminum foil and the coated base fabric, with the pressure controlled within the range of 1.5-2.5 MPa and the temperature controlled within the range of 160-180℃. 9.根据权利要求1所述一种应用于金属熔融喷溅防护的复合阻燃面料，其特征在于，步骤S5中，采用桥式热风循环烘房，熟化温度为80-100℃，熟化时间为20-40h。9. The composite flame-retardant fabric for protection against metal molten splashes according to claim 1, characterized in that, in step S5, a bridge-type hot air circulating drying oven is used, the curing temperature is 80-100℃, and the curing time is 20-40h. 10.根据权利要求1所述一种应用于金属熔融喷溅防护的复合阻燃面料，其特征在于，步骤S6中，采用恒张力中心卷绕机对熟化后的面料进行卷绕包装。10. The composite flame-retardant fabric for protection against molten metal splashes according to claim 1, characterized in that, in step S6, a constant tension center winding machine is used to wind and package the cured fabric.
CN202510994795.0A 2025-07-18 2025-07-18 Composite flame-retardant fabric applied to metal melting splash protection and preparation method thereof Pending CN120902369A (en)

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