CN111280579A - Heat-insulation helmet and preparation method thereof - Google Patents
Heat-insulation helmet and preparation method thereof Download PDFInfo
- Publication number
- CN111280579A CN111280579A CN201910230491.1A CN201910230491A CN111280579A CN 111280579 A CN111280579 A CN 111280579A CN 201910230491 A CN201910230491 A CN 201910230491A CN 111280579 A CN111280579 A CN 111280579A
- Authority
- CN
- China
- Prior art keywords
- layer
- helmet
- transparent
- coating
- fiber texture
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/06—Impact-absorbing shells, e.g. of crash helmets
- A42B3/061—External coatings, e.g. with light reflective material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Helmets And Other Head Coverings (AREA)
Abstract
The invention relates to a heat insulation helmet which comprises a helmet shell and a heat insulation coating, wherein the heat insulation coating comprises a transparent fiber texture layer, a transmission layer and a reflection layer; the reflecting layer is arranged on the outer surface of the helmet shell, and the transmitting layer is arranged on the reflecting layer and is transparent to visible light and infrared light; the transparent fiber texture layer is disposed on the transmissive layer. The reflecting layer can reflect the visible light and the infrared light which penetrate through the fiber texture layer and the transmitting layer back, so that the absorption of the shell to the visible light and the infrared light is reduced, and the shell of the helmet has a heat insulation function; the three-dimensional graphene radiating fins can be arranged in the helmet, so that the helmet has a heat insulation-radiating function; the invention can also control the color of the transmission layer, so that the transmission layer and the transparent fiber texture layer endow the helmet with the fiber texture appearance similar to the fiber helmet shell, so that the product is beautiful and high-end atmosphere, and the aesthetic requirements of users are met.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of safety protection, in particular to a heat-insulating helmet and a preparation method thereof.
[ background of the invention ]
The helmet is an important protection tool for human body, plays a role in protecting the head of human body from external impact or injury in the using process, and is an indispensable tool in traffic, field operation and battle.
Helmet shells (such as carbon fiber helmet shells) prepared from the fiber composite material have the characteristics of light weight, high strength, clear fiber grains in appearance, attractive product, high atmospheric pressure and the like, and are popular with numerous consumers. However, at high temperature in summer, the helmet is easy to absorb heat when being used outdoors, and when the carbon fiber composite material is used as the helmet shell, the black carbon fibers have extremely strong absorption capacity for visible light and infrared light, and the helmet shell is too high in temperature due to strong heat absorption of the carbon fibers on the surface of the shell, so that discomfort of a wearer is caused, and therefore, it is necessary to develop a heat-insulating helmet with fiber textures in appearance to meet the use requirements of consumers.
[ summary of the invention ]
In order to solve the technical problem, the invention discloses a heat insulation helmet which comprises a helmet shell and a heat insulation layer, wherein the heat insulation layer comprises a transparent fiber texture layer, a transmission layer and a reflection layer; the reflecting layer is arranged on the outer surface of the helmet shell, and the transmitting layer is arranged on the outer surface of the reflecting layer and is transparent to visible light and infrared light; the transparent fiber texture layer is disposed on the transmissive layer. The reflecting layer can reflect the visible light and the infrared light which penetrate through the fiber texture layer and the transmitting layer back, and the absorption of the shell to the visible light and the infrared light is reduced, so that the shell of the helmet has a heat insulation function. The invention can also control the color of the transmission layer, so that the transmission layer and the transparent fiber texture layer endow the helmet with the fiber texture appearance similar to the fiber helmet shell, so that the product is beautiful and high-end atmosphere, and the aesthetic requirements of users are met.
In some embodiments of the present invention, the helmet shell is internally provided with a heat dissipating portion, the heat dissipating portion is disposed on the inner side of the helmet shell, and the heat dissipating portion can accelerate heat exchange between the inside of the helmet shell and the outside.
In some embodiments of the present invention, the helmet shell is provided with heat dissipation holes, and the heat dissipation portion accelerates heat exchange between the inside of the helmet shell and the outside through the heat dissipation holes. For example, heat dissipation holes are formed around or at the top of the helmet shell, and the heat dissipation part accelerates the heat exchange between the inside of the helmet shell and the outside through the heat dissipation holes.
In some embodiments of the present invention, the heat sink is a graphene heat sink or a graphene heat sink layer.
In some embodiments of the present invention, the graphene heat dissipation sheet or layer extends from the inside of the helmet shell to the outside of the helmet shell, so as to increase the heat exchange rate between the inside of the helmet shell and the outside.
In some embodiments of the invention, the helmet shell is made of a carbon fiber composite material, and the helmet shell made of the carbon fiber composite material has the remarkable advantages of light weight and high strength, and is favorable for bonding the thermal insulation coating and the helmet shell interface, so that the thermal insulation helmet disclosed by the invention is light in weight and better in mechanical property.
In some embodiments of the present invention, the thermal insulating layer has a total thickness of 30 to 300 microns, wherein the transparent fiber textured layer has a thickness of 10 to 100 microns, the transmissive layer has a thickness of 10 to 100 microns, and the reflective layer has a thickness of 10 to 100 microns. The transparent texture layer is too thin, the texture is unclear, and the transparent texture layer is too thick, so that the curing time and the total weight are increased; the transmission layer is too thin and too thick, which cannot be consistent with the lightness of the carbon fiber; the reflective layer, too thin, has undesirable reflective effect and too thick, increasing the overall thickness and weight.
In some embodiments of the present invention, the transparent fiber texture layer, the transmissive layer and the reflective layer are formed by curing and drying corresponding coatings or inks.
The invention also discloses a preparation method of the heat insulation helmet, which comprises the steps of S1-S4; or a1 to A3. S1: respectively preparing a reflecting layer paint, a transmitting layer paint and a transparent layer gloss oil according to a preset proportion; s2: spraying the reflecting layer coating on the surface of the helmet shell, and curing to obtain a reflecting layer; s3: spraying the transmission layer coating on the surface of the reflection layer, and curing to obtain a transmission layer; s4: and (3) spraying the transparent gloss oil on the surface of the transmission layer by using a digital spraying device according to the preset fiber texture pattern, and curing to obtain the transparent fiber texture layer. A1: preparing a reflective layer coating according to a preset proportion, spraying the reflective layer coating on the outer surface of the helmet shell, and curing to obtain a reflective layer; a2: preparing a transmission layer coating according to a preset proportion, spraying the transmission layer coating on the outer surface of the reflecting layer, and curing to obtain a transmission layer; a3: preparing transparent layer gloss oil according to a preset proportion, spraying the transparent gloss oil on the outer surface of the transmission layer according to a preset fiber texture pattern by using a digital spraying device, and curing to obtain the transparent fiber texture layer. In some embodiments of the present invention, the reflective layer coating, the transmissive layer coating and the transparent layer varnish may be prepared first, and then the reflective layer coating is sprayed on the surface of the helmet shell, and the reflective layer is obtained after drying and curing; spraying the transmission layer coating on the surface of the reflection layer, and drying and curing to obtain a transmission layer; and then, spraying the transparent gloss oil on the surface of the transmission layer by using a digital spraying device according to a pre-placed fiber texture pattern, and drying and curing to obtain a transparent fiber texture layer, thereby preparing the heat-insulating helmet. In some other embodiments of the present invention, the reflective layer coating may be prepared first, and the reflective layer coating is sprayed on the surface of the helmet shell, and dried and cured to obtain the reflective layer; then preparing a transmission layer coating, spraying the transmission layer coating on the surface of the reflecting layer, and drying and curing to obtain a transmission layer; and then preparing transparent layer gloss oil, spraying the transparent gloss oil on the surface of the transmission layer by using a digital spraying device according to a preset fiber texture pattern, and drying and curing to form the transparent fiber texture layer, thereby preparing the heat-insulating helmet. Similar modifications and/or equivalent variations of the steps of the method of the invention may be made, all within the scope of the invention.
In some embodiments of the present invention, the transparent fiber texture layer is prepared by the following steps: (1) preparing transparent layer gloss oil according to a preset proportion; (2) manufacturing a fiber texture map by adopting digital mapping software; (3) inputting the fiber texture pattern into a digital spray painting device, starting the spray painting device, and performing ink-jet printing on the surface of the transmission coating in a fiber texture pattern mode to obtain UV transparent gloss oil; (4) and (4) obtaining the UV transparent coating of the fiber texture pattern after ultraviolet curing. According to the invention, the transparent fiber texture layer can be rapidly cured by UV when ink-jet printing is used, so that the shell and other coatings are prevented from being exposed at high temperature for a long time; on the other hand, the UV printing ink for ink-jet printing has smaller particles, and the printed pattern is fine and vivid and is closer to the real carbon fiber texture.
In some embodiments of the present invention, the transparent gloss oil is UV transparent gloss oil, and the UV transparent gloss oil comprises, by mass, 10% to 40% of acrylic resin, 25% to 45% of acrylate monomer, 10% to 15% of photoinitiator, 0.5% to 2.5% of stabilizer, 1% to 1.5% of leveling agent, 0.5% to 2% of defoamer, and 20% to 40% of solvent. Wherein the acrylate monomer comprises one or more of hexanediol diacrylate (HDDA), neopentyl glycol diacrylate (NPGDA), tripropylene glycol diacrylate (TPGDA), trimethylolpropane triacrylate (TMPTA); the stabilizer is one or more of hydroquinone, p-methoxyphenol and p-benzoquinone; the leveling agent is BYK333 and/or BYK306, and the defoaming agent comprises BYK065 and/or BYK 088; the photoinitiator is benzophenone, such as monohydroxyisopropylbenzophenone and/or monohydroxycyclohexylbenzophenone; the solvent is one or more of ethyl acetate, methyl succinate, benzene and xylene.
In some embodiments of the present invention, the reflective layer is a coating with high reflectivity to visible light and infrared light, and is prepared by the following steps: (1) preparing the reflecting layer coating according to a preset proportion, for example, uniformly mixing resin, reflecting filler, auxiliary agent and solvent, dispersing by a high-speed dispersion machine, and grinding by a ball mill or a sand mill to obtain reflecting layer ink or coating; (2) spraying the reflective paste on the surface of the helmet body, for example, spraying the reflective paste on the surface of the helmet body by adopting an ink-jet printing or airless spraying mode; (3) and curing to obtain the reflective coating.
In some embodiments of the invention, the reflective coating includes a resin, a filler, a diluent, a solvent, and an adjuvant; the resin comprises the following components in percentage by mass: filling: diluent agent: the auxiliary agent is (20-80): (10-80): (20-60): (0.5-5). Wherein the resin is one or more of epoxy resin, acrylic acid, unsaturated polyurethane and phenolic resin; the filler is one or more of titanium dioxide series, hollow glass beads, hollow ceramic powder, hollow fibers and perlite, and the particle size of the filler is 400nm-1000 nm; the auxiliary agent comprises one or more of a dispersing wetting agent and an anti-settling agent; the dispersion wetting agent comprises one or more of BYK145 and BYK160, and the anti-settling agent comprises one or more of talcum powder, mica powder and calcium carbonate; the solvent system is water; the dispersion time is 20-90min, and the grinding time is 30min-2 h. In some embodiments of the present invention, the transmissive layer coating may further include a diluent.
In some embodiments of the present invention, the process for preparing the transmissive layer is: (1) preparing a transmission layer coating according to a preset proportion, for example, uniformly mixing resin, pigment, wetting dispersant and solvent, dispersing by a high-speed disperser, and grinding by a ball mill or a sand mill to obtain transmission layer ink or paint; (2) spraying the transmission slurry on the surface of the reflective coating, for example, the transmission slurry can be sprayed on the surface of the reflective coating by ink-jet printing or airless spraying; (3) after curing, a transmissive coating is obtained.
In some embodiments of the present invention, the transmissive layer coating has a transmittance of 70% to 100% for visible light and a transmittance of 70% to 100% for infrared light.
In some embodiments of the invention, the color and lightness of the transmissive layer are consistent with those of carbon fiber for helmets, the color of the coating is black (although the color of the coating can be other fiber colors), and the lightness L of the coating is 20-40. The coating determines the color of the black heat-insulating coating of the helmet on one hand, and on the other hand, the coating does not absorb and shield incident light, so that all the incident light can be incident to the high-reflection coating through the transmission layer, and the high-reflection effect of the reflection coating is exerted to the maximum extent.
In some embodiments of the present invention, the transmissive layer coating includes a resin, a pigment, a dispersant, a diluent, and a solvent, the resin: pigment: dispersing agent: the solvent is (30-60): (40-60): (3-10): (20-60). Wherein, the resin comprises one or more of epoxy resin, acrylic acid, unsaturated polyurethane and phenolic resin, and the light transmittance of the resin to visible light is 70-100 percent, and the light transmittance to infrared light is 70-100 percent; the pigment is prepared by blending black with other colors, such as yellow, red and blue organic pigments. The yellow organic pigment system comprises an organic yellow series, the red organic pigment system comprises an organic red series, the blue organic pigment system comprises phthalocyanine blue, and the ratio of the blue pigment system to the red pigment system to the yellow pigment system is 5:2:1-1:1: 1; the dispersant comprises one or more of BYK164, BYK184, BYK2050 and BYK 2070; the solvent comprises one or more of butyl acetate, ethyl acrylate, cyclohexanone and dimethyl phthalate; in some embodiments of the present invention, the transmissive layer coating may further include a diluent.
The invention discloses a heat insulation helmet which comprises a helmet shell and a heat insulation coating, wherein the heat insulation coating comprises a transparent fiber texture layer, a transmission layer and a reflection layer; the reflecting layer is arranged on the outer surface of the helmet shell, and the transmitting layer is arranged on the outer surface of the reflecting layer and is transparent to visible light and infrared light; the transparent fiber texture layer is arranged on the outer surface of the transmission layer. The reflective layer can reflect the visible light and the infrared light which penetrate through the fiber texture layer and the transmission layer back, the absorption of the shell to the visible light and the infrared light is reduced, so that the helmet shell has a heat insulation function, the transmission layer and the transparent fiber texture layer which are arranged on the reflective layer can endow the helmet with fiber textures similar to the fiber helmet shell by controlling the color of the transmission layer, the appearance of the product is beautiful, high-end atmosphere is achieved, and the aesthetic requirements of users are met.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
(1) Surface treatment of carbon fiber shell
And (4) polishing and cleaning the surface of the carbon fiber shell to remove surface stains and residual glue.
(2) Preparation of heat-insulating helmet
Preparation of reflective coatings
Uniformly mixing 50g of acrylic resin, 20g of titanium dioxide with the particle size of 500nm, 0.5g of BYK145, 1g of calcium carbonate and 20g of water, dispersing for 30min by a high-speed dispersion machine, and grinding for 2h by a sand mill to obtain a reflective coating; spraying the reflective coating on the surface of the helmet body in an airless spraying manner; after curing at ambient temperature, a reflective coating having a thickness of 100 μm was obtained.
Transmission coating preparation
Uniformly mixing 50g of acrylic resin, 40g of organic pigment (phthalocyanine blue: organic red: organic yellow: 3:2:1), 5g of wetting dispersant (BYK2050: BYK 184: 3:2) and 50g of butyl acetate, dispersing for 60min by a high-speed disperser, and grinding for 2h by a sand mill to obtain black transmission coating; spraying black transmission slurry on the surface of the high-reflection coating in an airless spraying mode; curing at 90 ℃ for 2h to obtain a black transmission coating. The black transmissive layer had a transmittance of 80% for visible light, a transmittance of 90% for infrared light, a lightness L of 30, and a thickness of 40 μm.
Preparation of a textured layer of transparent fibers
Mixing 50g of acrylic resin, 40g of hexanediol diacrylate monomer, 10g of a monohydroxyisopropylbenzophenone photoinitiator, 2g of hydroquinone, 1g of BYK333, 1.5g of BYK065 and 40g of methyl succinate, and uniformly stirring to obtain UV transparent gloss oil; manufacturing a 3K fiber texture map by adopting digital mapping software; inputting the fiber texture pattern into a digital spray painting device, starting the spray painting device, and performing ink-jet printing on the surface of the black heat-insulating coating in a fiber texture pattern mode to obtain UV transparent gloss oil; and (3) obtaining the UV transparent coating of the fiber texture pattern after ultraviolet curing, wherein the thickness of the transparent coating is 100 mu m.
Example 2
(1) Surface treatment of carbon fiber shell
And (4) polishing and cleaning the surface of the carbon fiber shell, and removing surface stains and residual glue.
(2) Preparation of thermal barrier coatings
Preparation of reflective coatings
Uniformly mixing 50g of acrylic resin, 50g of titanium dioxide with the particle size of 800nm, 0.5g of BYK145, 1g of calcium carbonate and 20g of water, dispersing for 30min by a high-speed dispersion machine, and grinding for 2h by a sand mill to obtain a reflective coating; spraying the reflective coating on the surface of the helmet body in an airless spraying manner; after curing at ambient temperature, a reflective coating having a thickness of 100 μm was obtained.
Transmission coating preparation
Uniformly mixing 50g of acrylic resin, 40g of organic pigment (phthalocyanine blue: organic red: organic yellow: 3:1:2), 5g of BYK2050 and 50g of butyl acetate, dispersing for 60min by a high-speed dispersion machine, and grinding for 2h by a sand mill to obtain black transmission coating; spraying black transmission slurry on the surface of the reflective coating in an airless spraying mode; curing at 90 ℃ for 2h to obtain a black transmission coating. The black transmission layer had a visible light transmittance of 70%, an infrared light transmittance of 90%, a lightness L of 27, and a thickness of 40 μm.
Preparation of a textured layer of transparent fibers
Mixing 50g of acrylic resin, 40g of hexanediol diacrylate monomer, 10g of a monohydroxyisopropylbenzophenone photoinitiator, 2g of hydroquinone, 1g of BYK333, 1.5g of BYK065 and 40g of methyl succinate, and uniformly stirring to obtain UV transparent gloss oil; manufacturing a 10K fiber texture map by adopting digital mapping software; inputting the fiber texture pattern into a digital spray painting device, starting the spray painting device, and performing ink-jet printing on the surface of the black heat-insulating coating in a fiber texture pattern mode to obtain UV transparent gloss oil; and (3) obtaining the UV transparent coating of the fiber texture pattern after ultraviolet curing, wherein the thickness of the transparent coating is 100 mu m.
Example 3
(1) Surface treatment of carbon fiber shell
And (4) polishing and cleaning the surface of the carbon fiber shell, and removing surface stains and residual glue.
(2) Preparation of thermal barrier coatings
Preparation of reflective coatings
Uniformly mixing 50g of acrylic resin, 50g of titanium dioxide with the particle size of 800nm, 0.5g of BYK145, 1g of calcium carbonate and 20g of water, dispersing for 30min by a high-speed dispersion machine, and grinding for 2h by a sand mill to obtain a reflective coating; spraying the reflective coating on the surface of the helmet body in an airless spraying manner; after curing at ambient temperature, a reflective coating having a thickness of 100 μm was obtained.
Transmission coating preparation
Uniformly mixing 50g of acrylic resin, 40g of organic pigment (phthalocyanine blue: organic red: organic yellow: 5:2:1), 5g of BYK2050 and 50g of butyl acetate, dispersing for 60min by a high-speed dispersion machine, and grinding for 2h by a sand mill to obtain black transmission coating; spraying black transmission slurry on the surface of the reflective coating in an airless spraying mode; curing at 90 ℃ for 2h to obtain a black transmission coating. The black transmission layer had a visible light transmittance of 70%, an infrared light transmittance of 90%, a lightness L of 27, and a thickness of 40 μm.
Preparation of a textured layer of transparent fibers
Mixing 50g of acrylic resin, 40g of hexanediol diacrylate monomer, 10g of a monohydroxyisopropylbenzophenone photoinitiator, 2g of hydroquinone, 1g of BYK333, 1.5g of BYK065 and 40g of methyl succinate, and uniformly stirring to obtain UV transparent gloss oil; manufacturing a 10K fiber texture map by adopting digital mapping software; inputting the fiber texture pattern into a digital spray painting device, starting the spray painting device, and performing ink-jet printing on the surface of the black heat-insulating coating in a fiber texture pattern mode to obtain UV transparent gloss oil; and (3) obtaining the UV transparent coating of the fiber texture pattern after ultraviolet curing, wherein the thickness of the transparent coating is 100 mu m.
Example 4
(1) Surface treatment of carbon fiber shell
And (4) polishing and cleaning the surface of the carbon fiber shell, and removing surface stains and residual glue.
(2) Preparation of thermal barrier coatings
Preparation of reflective coatings
Uniformly mixing 20g of acrylic resin, 10g of titanium dioxide with the particle size of 400nm, 0.25g of BYK145, 0.25g of calcium carbonate and 20g of water, dispersing for 30min by a high-speed dispersion machine, and grinding for 2h by a sand mill to obtain the reflective coating; spraying the reflective coating on the surface of the helmet body in an airless spraying manner; after curing at ambient temperature, a reflective coating was obtained, the coating thickness being 10 μm.
Transmission coating preparation
Uniformly mixing 30g of acrylic resin, 40g of organic pigment (phthalocyanine blue: organic red: organic yellow: 2:1), 3g of BYK2050 and 20g of butyl acetate, dispersing for 60min by a high-speed dispersion machine, and grinding for 2h by a sand mill to obtain black transmission coating; spraying black transmission slurry on the surface of the reflective coating in an airless spraying mode; curing at 90 ℃ for 2h to obtain a black transmission coating. The black transparent layer had a visible light transmittance of 70%, an infrared light transmittance of 90%, a lightness L of 27, and a thickness of 10 μm.
Preparation of a textured layer of transparent fibers
Mixing 10g of acrylic resin, 25g of hexanediol diacrylate monomer, 10g of a monohydroxyisopropylbenzophenone photoinitiator, 0.5g of hydroquinone, 1g of BYK333, 0.5g of BYK065 and 20g of methyl succinate, and uniformly stirring to obtain UV transparent gloss oil; manufacturing a 10K fiber texture map by adopting digital mapping software; inputting the fiber texture pattern into a digital spray painting device, starting the spray painting device, and performing ink-jet printing on the surface of the black heat-insulating coating in a fiber texture pattern mode to obtain UV transparent gloss oil; and (3) obtaining the UV transparent coating of the fiber texture pattern after ultraviolet curing, wherein the thickness of the transparent coating is 10 mu m.
Example 5
(1) Surface treatment of carbon fiber shell
And (4) polishing and cleaning the surface of the carbon fiber shell, and removing surface stains and residual glue.
(2) Preparation of thermal barrier coatings
Preparation of reflective coatings
Uniformly mixing 80g of acrylic resin, 80g of titanium dioxide with the particle size of 1000nm, 2.5g of BYK145, 2.5g of calcium carbonate and 60g of water, dispersing for 30min by a high-speed dispersion machine, and grinding for 2h by a sand mill to obtain the reflective coating; spraying the reflective coating on the surface of the helmet body in an airless spraying manner; after curing at ambient temperature, a reflective coating having a thickness of 100 μm was obtained.
Transmission coating preparation
Uniformly mixing 60g of acrylic resin, 60g of organic pigment (phthalocyanine blue: organic red: organic yellow: 1:1), 10g of BYK2050 and 60g of butyl acetate, dispersing for 60min by a high-speed dispersion machine, and grinding for 2h by a sand mill to obtain black transmission coating; spraying black transmission slurry on the surface of the reflective coating in an airless spraying mode; curing at 90 ℃ for 2h to obtain a black transmission coating. The black transmission layer had a visible light transmittance of 70%, an infrared light transmittance of 90%, a lightness L of 30.2, and a thickness of 100 μm.
Preparation of a textured layer of transparent fibers
Mixing 40g of acrylic resin, 45g of hexanediol diacrylate monomer, 15g of a monohydroxyisopropylbenzophenone photoinitiator, 2.5g of hydroquinone, 1.5g of BYK333, 2g of BYK065 and 40g of methyl succinate, and uniformly stirring to obtain UV transparent gloss oil; manufacturing a 10K fiber texture map by adopting digital mapping software; inputting the fiber texture pattern into a digital spray painting device, starting the spray painting device, and performing ink-jet printing on the surface of the black heat-insulating coating in a fiber texture pattern mode to obtain UV transparent gloss oil; and (3) obtaining the UV transparent coating of the fiber texture pattern after ultraviolet curing, wherein the thickness of the transparent coating is 100 mu m.
Experimental tests and results
Placing the helmet samples prepared in the above 5 examples and the carbon fiber helmet under a xenon lamp (simulated sunlight) to irradiate for 30min, selecting 4 same position points from different helmets in a direct light irradiation area to test the temperature of the surface of the helmet, and counting the average temperature; the color difference of the helmet as a whole is expressed by lightness, and the test result is shown in the table I. According to the test result, the brightness of the helmet with the heat-insulating coating is close to that of a carbon fiber helmet, the maximum temperature difference between the surfaces of the two helmets can reach 70 ℃, and the heat-insulating helmet has obvious heat-insulating and cooling effects.
Watch 1
In the above embodiments, the present invention has been described only by way of example, but various modifications may be made by those skilled in the art without departing from the spirit and scope of the invention after reading the present patent application.
Claims (12)
1. A heat insulation helmet is characterized by comprising a helmet shell and a heat insulation layer, wherein the heat insulation layer comprises a transparent fiber texture layer, a transmission layer and a reflection layer; the reflecting layer is arranged on the outer surface of the helmet shell and used for reflecting visible light and infrared light; the transmission layer is arranged on the outer surface of the reflection layer, and the transmission layer is transparent to visible light and infrared light; the transparent fiber texture layer is arranged on the outer surface of the transmission layer.
2. The heat-insulating helmet as claimed in claim 1, wherein the heat-dissipating portion is provided inside the helmet shell, and the heat-dissipating portion is capable of accelerating heat exchange between the inside of the helmet shell and the outside.
3. The insulated helmet of claim 2, wherein the heat sink portion comprises a three-dimensional graphene layer or a graphene sheet.
4. The insulated helmet of claim 1, wherein the helmet shell is a helmet shell made of a carbon fiber composite material.
5. The insulated helmet of claim 1, wherein the insulating layer has a total thickness of 30-300 microns, wherein the transparent fiber textured layer has a thickness of 10-100 microns, the transmissive layer has a thickness of 10-100 microns, and the reflective layer has a thickness of 10-100 microns.
6. A method for producing a heat-insulating helmet, comprising steps S1 to S4; or a1 to A3, the steps S1 to S4 and a1 to A3 being:
s1: respectively preparing a reflecting layer coating, a transmitting layer coating and a transparent layer gloss oil according to a preset proportion; s2: spraying the reflective layer coating on the outer surface of the helmet shell, and curing to obtain a reflective layer; s3: spraying the transmission layer coating on the outer surface of the reflection layer, and curing to obtain a transmission layer; s4: spraying the transparent gloss oil on the outer surface of the transmission layer by using a digital spraying device according to a preset fiber texture pattern, and curing to obtain a transparent fiber texture layer;
a1: preparing a reflective layer coating according to a preset proportion, spraying the reflective layer coating on the outer surface of the helmet shell, and curing to obtain a reflective layer; a2: preparing a transmission layer coating according to a preset proportion, spraying the transmission layer coating on the outer surface of the reflecting layer, and curing to obtain a transmission layer; a3: preparing transparent layer gloss oil according to a preset proportion, spraying the transparent gloss oil on the outer surface of the transmission layer according to a preset fiber texture pattern by using a digital spraying device, and curing to obtain the transparent fiber texture layer.
7. The preparation method according to claim 6, wherein the transparent gloss oil is UV transparent gloss oil and comprises, by mass, 10% -40% of acrylic resin, 25% -45% of acrylate monomer, 10% -15% of photoinitiator, 0.5% -2.5% of stabilizer, 1% -1.5% of leveling agent, 0.5% -2% of defoaming agent and 20% -40% of solvent.
8. The method of claim 6, wherein the reflective layer coating comprises a resin, a filler, a solvent, and an auxiliary agent; the resin comprises the following components in percentage by mass: filling: solvent: the auxiliary agent is (20-80): (10-80): (20-60): (0.5-5).
9. The method according to claim 8, wherein the resin is one or more of epoxy resin, acrylic resin, unsaturated polyurethane, and phenolic resin; the filler is one or more of titanium dioxide, hollow glass beads, hollow ceramic powder, hollow fibers and perlite, and the particle size of the filler is 400nm-1000 nm.
10. The method of claim 6, wherein the transmissive layer coating has a transmittance of 70% to 100% for visible light and a transmittance of 70% to 100% for infrared light.
11. The production method according to claim 10, wherein the transmissive layer coating material comprises a resin, a pigment, a dispersant, and a solvent, and the resin: pigment: dispersing agent: the solvent is (30-60): (40-60): (3-10): (20-60).
12. The preparation method of claim 11, wherein the pigment is a black pigment which is prepared by compounding yellow, red and blue organic pigments, and the ratio of the blue, red and yellow pigment systems is 5:2:1-1:1: 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230491.1A CN111280579B (en) | 2019-03-26 | 2019-03-26 | Heat-insulation helmet and preparation method thereof |
| PCT/CN2019/111947 WO2020192094A1 (en) | 2019-03-26 | 2019-10-18 | Thermal insulated helmet and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230491.1A CN111280579B (en) | 2019-03-26 | 2019-03-26 | Heat-insulation helmet and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111280579A true CN111280579A (en) | 2020-06-16 |
| CN111280579B CN111280579B (en) | 2021-02-12 |
Family
ID=71021335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910230491.1A Active CN111280579B (en) | 2019-03-26 | 2019-03-26 | Heat-insulation helmet and preparation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111280579B (en) |
| WO (1) | WO2020192094A1 (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM361245U (en) * | 2008-12-30 | 2009-07-21 | Avants Internat Corp | Safety helmet |
| CN201323912Y (en) * | 2008-10-30 | 2009-10-14 | 黄秋华 | Reflection layer structure of safety helmet |
| CN101879799A (en) * | 2009-05-04 | 2010-11-10 | 富准精密工业(深圳)有限公司 | Shell and manufacturing method thereof |
| CN202934880U (en) * | 2012-08-13 | 2013-05-15 | 广东万事杰塑料科技有限公司 | Multilayer composite film, multilayer composite plate, helmet and suitcase |
| US20150082521A1 (en) * | 2013-09-26 | 2015-03-26 | Adam S. Hassan | Optimized visual field helmets |
| CN106634321A (en) * | 2016-09-21 | 2017-05-10 | 东莞市联洲知识产权运营管理有限公司 | Scratch-proof anti-abrasion heat insulating film of car front windshield and preparation method of scratch-proof anti-abrasion heat insulating film |
| CN107048566A (en) * | 2017-06-08 | 2017-08-18 | 中国科学院长春应用化学研究所 | The fire hat that a kind of use alloy skeleton is strengthened |
| CN206443279U (en) * | 2017-01-23 | 2017-08-29 | 厦门威亮光学涂层技术有限公司 | A kind of light-emitting bicycle helmet |
| CN107625217A (en) * | 2017-11-15 | 2018-01-26 | 华东交通大学 | Infrared radiation cooling cap |
| CN107814969A (en) * | 2017-12-06 | 2018-03-20 | 东莞市瑞年塑胶科技有限公司 | A kind of translucent minute surface colorful film and preparation method thereof |
-
2019
- 2019-03-26 CN CN201910230491.1A patent/CN111280579B/en active Active
- 2019-10-18 WO PCT/CN2019/111947 patent/WO2020192094A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201323912Y (en) * | 2008-10-30 | 2009-10-14 | 黄秋华 | Reflection layer structure of safety helmet |
| TWM361245U (en) * | 2008-12-30 | 2009-07-21 | Avants Internat Corp | Safety helmet |
| CN101879799A (en) * | 2009-05-04 | 2010-11-10 | 富准精密工业(深圳)有限公司 | Shell and manufacturing method thereof |
| CN202934880U (en) * | 2012-08-13 | 2013-05-15 | 广东万事杰塑料科技有限公司 | Multilayer composite film, multilayer composite plate, helmet and suitcase |
| US20150082521A1 (en) * | 2013-09-26 | 2015-03-26 | Adam S. Hassan | Optimized visual field helmets |
| CN106634321A (en) * | 2016-09-21 | 2017-05-10 | 东莞市联洲知识产权运营管理有限公司 | Scratch-proof anti-abrasion heat insulating film of car front windshield and preparation method of scratch-proof anti-abrasion heat insulating film |
| CN206443279U (en) * | 2017-01-23 | 2017-08-29 | 厦门威亮光学涂层技术有限公司 | A kind of light-emitting bicycle helmet |
| CN107048566A (en) * | 2017-06-08 | 2017-08-18 | 中国科学院长春应用化学研究所 | The fire hat that a kind of use alloy skeleton is strengthened |
| CN107625217A (en) * | 2017-11-15 | 2018-01-26 | 华东交通大学 | Infrared radiation cooling cap |
| CN107814969A (en) * | 2017-12-06 | 2018-03-20 | 东莞市瑞年塑胶科技有限公司 | A kind of translucent minute surface colorful film and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111280579B (en) | 2021-02-12 |
| WO2020192094A1 (en) | 2020-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105733389B (en) | A kind of cured transfer glue of LED-UV and preparation method thereof | |
| CN102807805B (en) | A kind of ultraviolet cured paint composition and preparation method thereof | |
| CN101941339B (en) | Ultraviolet light cured transfer printing film and preparation method and application thereof | |
| CN101235672B (en) | Ultraviolet light curing overlay film decorative board for wall and method for making same | |
| CN101993629A (en) | Transfer printing type ultraviolet light curing ink composition, preparation method thereof and mobile phone casing using ink composition | |
| CN103396689A (en) | LED-UV light source curable coating and preparation method | |
| CN104774538A (en) | High-gloss and high-brightness heat dissipating insulating paint and preparing method thereof | |
| CN103602224A (en) | White solvent-free finish paint as well as preparation method and construction process of white solvent-free finish paint | |
| CN105176375B (en) | A kind of LED UV woodenware repairing transparent matt top coat top coat and preparation method | |
| CN105860778B (en) | Aqueous radiation curable coating decorative panel and preparation method thereof | |
| CN105259737A (en) | Transfer processing method for glass base material of cover board | |
| CN103224722A (en) | UV-curable fluorocarbon solar cell back-side protective film paint | |
| CN101481557A (en) | Colored powdered glass printing ink, oil paint and coating | |
| CN111280579B (en) | Heat-insulation helmet and preparation method thereof | |
| CN105694791B (en) | A kind of binder and preparation method thereof of gypsum material 3D printing photosensitive epoxy resin composition | |
| CN102533030A (en) | Coating for vehicle, and preparation method for coating | |
| CN105670471B (en) | Water-based radiation curable coating decorative panel and preparation method thereof | |
| CN101148562A (en) | Environmental protection acrylic polyurethane bicomponent surface lacquer enamel | |
| CN104129214A (en) | Transfer printing method of 3D stereoscopic color film | |
| CN105904910A (en) | Preparation process of coloured glaze color background wall | |
| CN103131303B (en) | A kind of powder coating containing Vanay | |
| CN110511615A (en) | A kind of flame retardant type visible-light curing digital spray printing chalk applied to stereo decorative picture | |
| CN105885522A (en) | UV outdoor screen printing ink and preparation technology thereof | |
| RU2734197C1 (en) | Method of producing epoxy translucent artificial stone imitating onyx | |
| CN107337971A (en) | Coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201208 Address after: 518057 2 / F, software building, No.9, Gaoxin Middle Road, Nanshan District, Shenzhen, Guangdong Province Applicant after: Shenzhen Guangqi High-end Equipment Technology Research and Development Co.,Ltd. Applicant after: Shenzhen KPS gang Creative Technology Ltd. Applicant after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Applicant after: SHENZHEN KUANG-CHI SUPER MATERIAL TECHNOLOGY Co.,Ltd. Applicant after: Shanghai Security Service (Group) Co.,Ltd. Address before: Room 201, 1301-38 Guanlan Street Sightseeing Road, Longhua District, Shenzhen City, Guangdong Province, 518000 Applicant before: Shenzhen Guangqi High-end Equipment Technology Research and Development Co.,Ltd. Applicant before: Shenzhen KPS gang Creative Technology Ltd. Applicant before: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Applicant before: SHENZHEN KUANG-CHI SUPER MATERIAL TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |