688results about "Chemical protection" patented technology

In one aspect, fabric materials are disclosed that have been treated with a fluid resistant treatment containing a water resistant composition and an oil resistant composition. The fluid resistant treatment may be substantially fluorocarbon free. Fire service garments can be made from the fabric materials that provide resistance to water and / or oil.

The invention discloses a fireproof cloak with an aerogel composite multi-layer structure, and belongs to the technical field of fireproof cloaks. Comprising an outer layer, a middle layer and an inner layer, wherein the outer layer is made of carbon fiber cloth; the middle layer is made of modified aerogel; and the inner layer is made of breathable flame-retardant cloth. According to the prepared cloak, the outer layer is the carbon fiber cloth, the carbon fiber structure is stable, middle-layer aerogel can be protected, external mechanical damage can be borne, the mass is light, and the wearing burden is reduced; the middle layer of the prepared cloak is the modified aerogel, so that the cloak is endowed with excellent heat insulation property and fire resistance; the inner layer of the prepared cloak is the aramid staple fiber needle-punched cloth, so that the cloak has the fireproof performance and also has certain wearing comfort; in conclusion, through the three-layer composite design of the carbon fiber outer layer, the modified aerogel middle layer and the aramid fiber inner layer, the composite material has the advantages of being ultra-light, high in fireproof performance and high in comfort and has important application value in the technical field of fireproof cloaks.

A personal cooling enclosing material comprises a garment body; an air cooling system provided on an outside surface of the garment body, wherein the air cooling system further comprises a receptacle and a coolant contained in the receptacle; and an air circulation system provided on an inside surface of the garment body for drawing original air from an internal space inside the garment body for cooling. The air circulation system is separated from the air cooling system to avoid direct contact of the original air with the coolant of the air cooling system. The air cooling system is in thermal communication with the air circulation system.

The invention provides a fire rescue protective suit based on hazardous gas monitoring and early warning software and hardware integration. According to one embodiment of the invention, the fire rescue protection suit comprises a protection assembly, a sensing module, a node communication module and a display module, wherein the sensing module is arranged in the protection assembly, and the sensing module is used for collecting environment information and physical sign information of rescue workers; the node communication module is used for sending the environment information, the physical sign information and the positioning information of the rescue workers to a safety centralized control center; early warning information sent by the security centralized control equipment is received; wherein the early warning information comprises the operation efficiency information of the rescue workers and the dangerous area grade in the environment where the rescue workers are located; and the display module is used for receiving the early warning information from the node communication module and displaying the early warning information.

A cooling protective garment made of phase-change material, characterized in that it comprises a protective garment body, the cooling protective garment body has a multi-layered structure, and the outer layer of the cooling protective garment body consists of a breathable polymer composite; the lower layer of the waterproof and breathable layer is provided with a phase-change material cooling layer made of microencapsulated paraffin polymer, the lower layer of the phase-change material cooling layer is provided with a breathable and comfortably moisture-absorbing cotton; the moisture-absorbing cotton layer contains silver fibers for antibacterial and odor-inhibiting properties.

The invention belongs to the technical field of fabrics, and particularly relates to a garment fabric and a preparation method and application thereof. The preparation method comprises the following steps: blending KH-602 modified zinc cerium phenylphosphonate, an SA-DOPO flame retardant and polylactic acid particles at a certain temperature, and then spinning to obtain polylactic acid fibers; and spinning and weaving the polylactic acid fibers to obtain the garment material. According to the invention, the KH-602 modified zinc and cerium phenylphosphonate and the SA-DOPO flame retardant are added, and interaction among the components is utilized to jointly promote the improvement of the flame retardant property of the fabric, so that the fabric is well applied to the field of protective clothing.

The totally-enclosed protective clothing comprises a protective clothing body, straps and the portable air conditioner, the straps are attached to the protective clothing body, the straps are fixedly connected to the portable air conditioner, the portable air conditioner is attached to the protective clothing body, an air outlet is formed in the protective clothing body, and the portable air conditioner is fixedly connected to the air outlet. A closed zipper is arranged on the protective clothing body, a mask is arranged on the protective clothing body, and an emergency opening is formed in the protective clothing body; demisting is carried out by adjusting the temperature of the portable air conditioner, blurring when observation is carried out through the mask is avoided, breathing can be carried out by opening the emergency opening in an emergency situation, the internal temperature can be flexibly adjusted when full-closed use of the protective clothing is achieved, the blurring condition of sight is avoided, and the protective clothing is convenient to use. The use safety of the protective clothing is improved; and through the quick connecting assembly, the air pipe can be quickly mounted and dismounted, the mounting and using stability is guaranteed, and the use experience of a user is improved.

The utility model discloses a comfortable and breathable firefighter fire-extinguishing protective garment, and relates to the technical field of firefighter fire-extinguishing protective garments, the comfortable and breathable firefighter fire-extinguishing protective garment comprises a protective garment body, and a fabric for making the protective garment body comprises an outer flame-retardant layer, a first waterproof and breathable layer, a second waterproof and breathable layer, a heat insulation layer and a comfortable layer; the first waterproof breathable layer and the second waterproof breathable layer are made of nanofiber membranes; wherein the inner side of the outer flame-retardant layer is connected with the outer side of the first waterproof breathable layer; the inner side of the second waterproof breathable layer is connected with the outer side of the heat insulation layer; after the fabric for making the protective clothing body is sewn, the inner side of the first waterproof breathable layer is in contact with the outer side of the second waterproof breathable layer; the inner side of the heat insulation layer makes contact with the outer side of the comfortable layer. The protective clothing has the advantages of being good in air permeability and flexibility and capable of effectively improving the comfort degree of a user wearing the fire-fighting protective clothing for the firefighter.

A hardhat having a brim of variable elongation circumscribing its base is oriented such that the most elongate brim portion is associated with the back of a user's head. A source of supplied air is brought into an area proximate the back area, and an air conduit directs the air toward an area or areas of the hardhat having a less elongate brim.

A safety helmet for a firefighter includes an outer shield having a neck opening and a front opening, a hinge located on an upper region of the front opening of the outer shield, a fire-retardant foam liner, a face shield including a sensor carrier attached to the hinge, a particulate air filter, a light emitting diode (LED) light strip, a mask mechanism configured to attach to the tapered nose opening of the transparent screen and the particulate air filter, a heads-up display (HUD) connected to an upper region of a proximal edge of the mask mechanism which faces the tapered nose opening, an oxygen port connected to the mask mechanism, a mask body connected to a distal edge of the mask mechanism, a speaker and microphone unit attached to the mask body, and a regulator nose cone.

The present invention relates to the technical field of fire-fighting composite fabrics, and discloses a processing technology for highly flame-retardant, high-temperature-resistant, and highly breathable firefighting suit protective fabrics. The outer layer of the firefighting suit protective fabric adopts a high-temperature flame-retardant layer fabric made of nitrogen-phosphorus composite flame-retardant fibers. Through the synergistic effect between the various components, a dense carbon layer can be formed when a fire occurs to delay combustion. Nano-silicon dioxide aerogel is added to the composite adhesive of the inner layer to further block heat transfer. A comfort layer fabric blended with menthol-modified bamboo fiber and spandex fiber is composited with the composite adhesive by spraying the adhesive in a diamond lattice. The fabric has uniform breathable pores, can bring a continuous cool feeling, is highly comfortable to wear, and effectively promotes sweat discharge. The prepared firefighting suit protective fabric has excellent flame retardancy, high-temperature resistance, and breathability, and can meet the use requirements in various environments.

The utility model discloses an emergency escape garment capable of being quickly put on and taken off by magnetic force, which comprises a protective garment, the protective garment comprises a first top fly and a second top fly, a plurality of magnetic buttons a are distributed on the first top fly along the length direction in an array manner, and magnetic buttons b are distributed on the second top fly along the length direction in an array manner; the multiple magnetic attraction buckles a correspond to the multiple magnetic attraction buckles b in a one-to-one mode. And the magnetic type buckling structure has the characteristics of quick suction, automatic buckling and quick separation.

The utility model relates to the technical field of fire-fighting appliances, in particular to an ice-repellent firefighter uniform which comprises an upper garment and trousers, the upper garment and the trousers sequentially comprise an ice-repellent flame-retardant layer, a waterproof moisture-permeable heat insulation layer and a comfortable layer which are stacked from outside to inside, and an ice-repellent material coating is arranged on the side, away from the surface of a human body, of the ice-repellent flame-retardant layer. The waterproof and moisture-permeable heat insulation layer comprises a heat insulation aramid fiber felt and waterproof and moisture-permeable films adhered to the two opposite sides of the heat insulation aramid fiber felt, the upper garment and the trousers are each provided with a brim-imitated structure waterproof strip and ice-repellent coating stripes, and the brim-imitated structure waterproof strips are used for preventing external water from quickly wetting the lower hem of the upper garment and preventing the external water from entering the fire-fighting boots. The ice-repellent coating stripes are used for delaying the icing time of the surface of the firefighter uniform and improving the ice coating removing efficiency of the surface of the firefighter uniform, and through the synergistic effect of the functions, the ice-repellent firefighter uniform can effectively delay the icing time of the surface of the firefighter uniform, improve the ice coating removing efficiency of the surface of the firefighter uniform and reduce the wet and cold degree of the firefighter uniform.

A respirator has a shell that defines a breathable air zone for a user wearing the respirator. An air flow control system for the respirator has an air delivery conduit within the shell of the respirator, a valve member moveable relative to the air delivery conduit and within the shell to vary the amount of air flow through the air delivery conduit, and a valve actuator outside of the shell of the respirator. The valve actuator is manipulatable by a user of the respirator while wearing the respirator to control movement of the valve member.

The invention discloses a heat insulation firefighter uniform with an oxygen circulation system. The heat insulation firefighter uniform comprises a protective garment body, a protective helmet and the oxygen circulation system arranged on the protective garment body. An oxygen mask and goggles are arranged on the protective helmet; the oxygen circulation system comprises an oxygen circulation respirator backpack arranged on the back of the protective clothing body, an oxygen circulation respirator is arranged in the oxygen circulation respirator backpack, an oxygen pipe containing cavity is formed in the inner side of the back of the protective clothing body, an oxygen pipe is arranged in the oxygen pipe containing cavity, and the oxygen pipe is communicated with the oxygen circulation respirator backpack. One end of the oxygen pipe is connected with the oxygen circulating respirator, and the other end of the oxygen pipe is connected with the oxygen mask; the protective clothing body is of a multi-layer composite structure and is composed of a wear-resisting layer, a waterproof layer, a flame-retardant layer, a pure cotton fireproof heat-insulating layer, a constant-temperature layer and a comfortable layer which are sequentially arranged. And through the combined arrangement of the protective helmet and the oxygen circulating system, the safety protection performance of the protective garment body is effectively improved.

The invention discloses a heat-insulating flame-retardant outer-layer fabric for fire-fighting heat-insulating clothes and a preparation method of the heat-insulating flame-retardant outer-layer fabric, and belongs to the technical field of fabrics. The heat-insulating flame-retardant outer-layer fabric for the fire-fighting heat-insulating clothes is characterized in that the outer-layer fabric comprises an aramid fabric layer, an adhesive layer and an aluminum laminated film layer; the adhesive layer is prepared from the following raw materials in parts by weight: 30 to 40 parts of boron modified phenolic resin, 20 to 30 parts of polyimide, 2 to 7 parts of silicate adhesive, 5 to 10 parts of nano filler, 3 to 8 parts of flame retardant and 40 to 60 parts of solvent. The bonding effect of the aluminum laminated film and the aramid fabric layer at high temperature is improved.

A personal protection system for providing a sterile barrier around medical / surgical personnel. The system includes a helmet over which a hood or a toga suspended. The helmet has a chin bar that extends forward of the face of the individual wearing the system. At least one manually actuated control for regulating one aspect of operation of the system is mounted to the chin bar. Sometimes the control is a button that is depressed to control the operation of a helmet mounted fan that draws air into the hood or toga. A microphone may also be mounted to the chin bar.

The invention discloses a temperature on-line monitoring and early warning system for fire protection clothing, which relates to the technical field of fire protection monitoring and early warning and comprises a data collection module, a data preprocessing module, a calculation processing module and an early warning execution module. Wherein the calculation processing module comprises a dynamic temperature risk unit, a comprehensive environment risk unit and a safety prediction unit. The dynamic temperature risk unit fuses temperature, a safety threshold value, a change rate, material aging, humidity and a heat reflection attenuation coefficient, outputs a dynamic temperature risk coefficient and reflects a safety margin, and the comprehensive environment risk unit introduces gas concentration, the number of hazardous articles, smoke attenuation and an action intensity coefficient based on the dynamic temperature risk coefficient, constructs an environment coupling risk index, and finally performs the safety analysis on the environment coupling risk index. And the safety prediction unit integrates a basic safety time constant, an environment coupling risk index, a dynamic temperature risk coefficient, a heat flux density and an oxygen concentration correction coefficient, outputs a residual safety time prediction value, and guides an evacuation decision of a fireman.

A personal air filtering device comprising a rigid component comprising a transparent face shield, a fabric component, wherein the face shield and fabric combine to cover an entire head of a user and form a seal around the user's neck, an intake port with an inlet filter, an exhaust port with an exhaust filter, an air mover causing filtered air to enter the intake port from outside the device and exhaust air to exit the exhaust port, and a controller configured to adjust the rate at which the air mover moves air.

The invention relates to the technical field of fire-fighting composite fabrics, and discloses a processing technology of a high-flame-retardant, high-temperature-resistant and high-air-permeability firefighter uniform protective fabric. The outer layer of the firefighter uniform protective fabric is a high-temperature-resistant and flame-retardant layer fabric made of nitrogen-phosphorus composite flame-retardant fibers; a compact carbon layer can be formed when a fire disaster occurs, combustion is delayed, nano silicon dioxide aerogel is added into the composite adhesive of the inner layer, heat transfer can be further blocked, the comfortable layer fabric formed by blending menthol modified bamboo fibers and spandex fibers is compounded with the composite adhesive in a rhombic dot matrix spraying mode, and the heat transfer can be further blocked. According to the present invention, the prepared firefighter uniform protection fabric has characteristics of uniform ventilation pore channel, continuous cooling feeling, high wearing comfort, and effective sweat gas discharge promoting, such that the prepared firefighter uniform protection fabric has advantages of excellent flame retardation, excellent high temperature resistance, excellent gas permeability, and meeting of use requirements in various environments.

Personal protective systems for filtering incoming air flow to the user are provided. The personal protective systems include head gear shaped to be worn over the head of a user, a tube having a first end operatively connected to the head gear and a second end operatively connected to an air supply unit, where the air supply unit is configured to propel filtered air through the tube to the head gear, thereby creating an overpressure inside the head gear and protecting the user from transmission of harmful airborne particles.

The invention relates to the technical field of fire-fighting protective clothing, in particular to an aluminized fire-fighting fabric and a preparation method thereof. The aluminized fire-fighting fabric comprises a substrate layer, a first reflecting layer, a resin layer, a transition layer and a second reflecting layer which are sequentially arranged from bottom to top, the base layer is made of aramid blend fibers; the aramid fiber blend fiber comprises 15 to 40 weight percent of meta-position aramid fiber, 2 to 10 weight percent of copolymerized aramid fiber and 40 to 75 weight percent of modacrylic fiber with modacrylic fiber with modacrylic fiber with modacrylic fiber with modacrylic fiber with modacrylic fiber with modacrylic fiber with modacrylic fiber; the first reflecting layer and the second reflecting layer are simple substance metal layers; the transition layer is a metal elementary substance layer, an alloy layer or a metal compound layer. The preparation method comprises the following steps: mixing and spinning the polyvinyl chloride fiber, the acrylonitrile fiber, the meta-position aramid fiber and the copolymerized aramid fiber, and weaving into the substrate layer; depositing a first reflective layer on the substrate layer; coating and curing the first reflecting layer to form a resin layer; depositing a transition layer on the resin layer; and depositing a second reflecting layer on the transition layer. The fabric disclosed by the invention is simple in structure and has good thermal protection performance and film interlayer binding force.

The invention relates to the technical field of flame-retardant clothing, and discloses a light flame-retardant fire-fighting jacket and application thereof.The jacket is prepared from flame-retardant aramid fabric, and the flame-retardant aramid fabric is prepared through the following steps that (1) surface treatment is conducted on the aramid fabric, vinyl functional groups are grafted on the surface of the aramid fabric, and a flame-retardant flame-retardant fabric is obtained; the surface modified aramid fiber fabric is obtained; (2) preparing a flame retardant with a core-shell structure; and (3) adding the compound in the step (2) into absolute ethyl alcohol, stirring to obtain a uniform suspension, adjusting the pH value to 3-4 by adding an acid solution, reacting at 180-200 DEG C for 8-12 hours, and then filtering and drying to obtain the flame retardant with the core-shell structure. (4) dispersing the flame retardant in the step (3) in ethanol, adding 2wt% of a vinyl silane coupling agent, uniformly mixing, and reacting for 3-6 hours; and adding the surface modified aramid fabric in the step (1) into ethanol, and adding an initiator for reaction. According to the application, the durability of the flame retardant property of the aramid fabric can be improved.

A Personal Protective Equipment (PPE) ensemble made up of a launderable protective hood and either an air dispersion protective headgear, or an air dispersion protective face shield assembly, is provided. In a first exemplary embodiment, the PPE ensemble is made up of a launderable hood that is detachably affixed to and forms a gas-restrictive seal with a protective face shield assembly, an air-supplied protective suit having an air supply inlet / outlet assembly, and an air dispersion protective headgear releasably coupled to the air supply inlet / outlet assembly of the protective suit. In a second exemplary embodiment, instead of an air dispersion protective headgear, the PPE ensemble is made up of an air dispersion protective face shield assembly and a standard protective headgear. The PPE ensemble, among other things, maintains or cools the skin temperature of a wearer's face during use and thus reduces wearer fatigue.

A disposable protective garment is disclosed that includes a hijab with a head cover portion and a neck cover portion extending from the head cover portion. The head cover portion and the neck cover portion are made of a barrier material.

The invention relates to an ultra-high-temperature and ultra-low-temperature resistant special garment, and relates to the technical field of special garments, the ultra-high-temperature and ultra-low-temperature resistant special garment comprises a composite layer structure, and the composite layer structure comprises a flame-retardant outer layer, a waterproof breathable layer, a high-temperature heat insulation layer, a low-temperature anti-freezing layer and a comfortable layer which are stacked in sequence. The special garment provided by the invention has the characteristic of ultra-high temperature and ultra-low temperature resistance, can meet the use requirements of firefighter suits, heat insulation suits, ultra-low temperature suits, special rescue suits and the like, and has wide application.

The invention provides an antibacterial breathable special protective garment, and relates to the technical field of protective garments. The antibacterial breathable special protective suit comprises a protective suit body, a conical sleeve, a sleeve, a first air hole, a rectangular hole, a warning lamp and an air blowing assembly, the conical sleeve is arranged in the protective suit body, the air blowing assembly is arranged on the inner side of the conical sleeve, the rectangular hole is formed in the air inlet side of the air blowing assembly, the sleeve is arranged on the air outlet side of the air blowing assembly and used for clamping an ice bag, and the first air hole is formed in the air outlet side of the ice bag. The warning lamp is arranged at the end of the conical sleeve, and when the temperature of the inner side of the protective clothing is higher or lower than a preset value, the first air hole and the rectangular hole are driven to be connected or disconnected with the inner side of the protective clothing, and the warning lamp and the blowing assembly are powered on or powered off. When the temperature in the protective clothing is low or higher than a preset value, the ice bag is in a heat preservation state, or the warning lamp flashes and the blowing assembly blows air to the ice bag at the same time, low-temperature air is forced to enter the protective clothing, the low-temperature air flows on the body surface, sweat evaporation is accelerated, and heat on the surface of the human body is taken away.

The present invention provides a fire-fighting protective clothing for firefighters, comprising: an outer fabric and a comfort fabric; wherein, the outer fabric is a double-layer tissue woven fabric, including a fabric surface layer and a fabric inner layer; the thermal protection performance after the combination of the outer fabric and the comfort fabric is greater than or equal to 28 cal / cm<supgt;2< / supgt;. The fire-fighting protective clothing for firefighters of the present invention can effectively reduce the combined weight of the protective clothing, has high heat insulation efficiency, and can also meet the requirements of easy operability, moisture permeability, and individual safety protection in high-temperature environments.