CN112175501A - Reinforced explosion-proof and shock-resistant coating, preparation method and safety helmet - Google Patents
Reinforced explosion-proof and shock-resistant coating, preparation method and safety helmet Download PDFInfo
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- CN112175501A CN112175501A CN202011146740.8A CN202011146740A CN112175501A CN 112175501 A CN112175501 A CN 112175501A CN 202011146740 A CN202011146740 A CN 202011146740A CN 112175501 A CN112175501 A CN 112175501A
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- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
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- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B1/00—Hats; Caps; Hoods
- A42B1/04—Soft caps; Hoods
- A42B1/08—Soft caps; Hoods with protection against blows
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- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
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- 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
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- 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
- C09D7/48—Stabilisers against degradation by oxygen, light or heat
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- 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
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- 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
- C09D7/65—Additives macromolecular
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- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- 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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a reinforced explosion-proof and shock-proof coating, a preparation method and a safety helmet, wherein the coating is prepared by blending a group A raw material and a group B raw material; the group A raw materials are prepared from the following components in percentage by mass: 0.1-0.5% of wetting agent, 0.1-5% of dispersing agent, 0.1-0.5% of defoaming agent, 1-5% of flatting agent, 60-80% of trifunctional polyester resin, 1-5% of polyol, 3-5% of nano silicon oxide, 1-5% of carbyne sulfide, 1-5% of carbon fiber, 1-5% of graphene, 1-5% of ultraviolet absorbent, 1-5% of ultraviolet stabilizer and 1-5% of antioxidant, wherein the sum of the mass percentages of the components is 100%; the raw material B is carbamido isocyanate curing agent. The coating is coated on the surfaces of facilities such as safety helmets and the like, and the coating formed by drying and curing has the functions of reinforcement, water resistance, explosion resistance and shock resistance, and has the advantages of wide application range, easy production and processing, and contribution to popularization and application.
Description
Technical Field
The invention belongs to the technical field of reinforced explosion-proof and earthquake-proof and safety helmets, and particularly relates to a reinforced explosion-proof and earthquake-proof coating, a preparation method and a safety helmet.
Background
A safety helmet is a hat which is used for protecting the head from being hurt by falling objects and other specific factors and mainly comprises a helmet shell, a helmet liner, a chin strap and the like. At present, the applicant has found that: the existing safety helmet mainly plays a role in protection through a helmet shell, and particularly, the existing helmet shell generally adopts an oval or hemispherical thin shell structure, can generate certain pressure deformation under impact pressure, and reduces impact time due to the fact that rigidity of materials can absorb and disperse stress and impact objects are easy to slide away due to smooth surfaces and circular curves; however, the existing helmet shell has lower strength, waterproof performance, explosion-proof performance and anti-seismic performance, so that the protective performance of the safety helmet is reduced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the reinforced explosion-proof and earthquake-proof coating which has the functions of reinforcement, water resistance, explosion prevention and earthquake resistance after being dried and cured, has wide application range and easy production and processing, and is beneficial to popularization and application, the preparation method of the reinforced explosion-proof and earthquake-proof coating and the safety helmet using the reinforced explosion-proof and earthquake-proof coating.
In order to solve the technical problems, the invention adopts the following technical scheme:
a reinforced explosion-proof and earthquake-proof coating is prepared by blending a group A raw material and a group B raw material; wherein the content of the first and second substances,
the group A raw materials are prepared from the following components in percentage by mass: 0.1-0.5% of wetting agent, 0.1-5% of dispersing agent, 0.1-0.5% of defoaming agent, 1-5% of flatting agent, 60-80% of trifunctional polyester resin, 1-5% of polyol, 3-5% of nano silicon oxide, 1-5% of carbyne sulfide, 1-5% of carbon fiber, 1-5% of graphene, 1-5% of ultraviolet absorbent, 1-5% of ultraviolet stabilizer and 1-5% of antioxidant, wherein the sum of the mass percentages of the components is 100%;
the raw material B is carbamido isocyanate curing agent.
Further, the wetting agent is polyether modified polydimethylsiloxane solution, the dispersing agent comprises polyester modified polydimethylsiloxane solution, the defoaming agent is polysiloxane solution defoaming agent, and the antioxidant is phosphite antioxidant; preferably, the wetting agent is a German Bick chemical polyether modified polydimethylsiloxane BYK-344 wetting dispersant, the dispersant is a German Bick chemical BYK-310 polyester modified polydimethylsiloxane dispersant, and the leveling agent is a German Bick chemical BYK-373 leveling agent.
Further, the sulfurized carbyne is a one-dimensional linear ribbon of sulfurized carbon atoms; the carbon fiber is a novel fiber material of high-strength and high-modulus fiber with the carbon content of more than 95 percent, is formed by piling up organic fibers such as flake graphite microcrystals along the axial direction of the fiber, and is a microcrystalline graphite material obtained by carbonization and graphitization treatment.
Further, the trifunctional polyester resin is a high molecular compound formed by polycondensation of one of dihydric alcohol, dibasic acid and polyhydric alcohol with polybasic acid.
Further, the polyol is an alcohol resin having three or more hydroxyl groups in the molecule, and has a general formula of CnH2n +2-x (OH) x, wherein x is not less than 3.
Further, the ureido isocyanate curing agent is a ureido diisocyanate curing agent and is prepared from isocyanate, water and HDI.
The ratio of the group A raw materials to the group B raw materials is 1: 1.
the invention also provides a preparation method of the reinforced explosion-proof and earthquake-proof coating, which comprises the following steps:
a1. mixing a trifunctional polyester resin and a polyol;
a2. under the condition of rotating and stirring, sequentially adding a wetting agent, a dispersing agent, nano silicon oxide, carbon sulfide alkyne, carbon fiber, graphene, an ultraviolet absorbent, an ultraviolet stabilizer, an antioxidant, a flatting agent and a defoaming agent into the mixed trifunctional polyester resin and the polyol, and uniformly stirring to obtain a mixture liquid;
a3. filtering the mixture liquid to obtain a group A raw material;
a4. and preparing the group A raw materials and the group B raw materials into the reinforced explosion-proof and earthquake-proof coating.
Further, the ureido isocyanate curing agent is a ureido diisocyanate curing agent and is prepared from isocyanate, water and HDI; when in preparation, firstly, isocyanate reacts with water to generate amine, and then reacts with HDI to generate carbamido diisocyanate curing agent.
Further, the rotation speed in the step a2 is 400r/min-600r/min, and the blending ratio of the group A raw materials to the group B raw materials is 1: 1.
the invention also provides a safety helmet, the surface of which is provided with a coating formed by curing the reinforced explosion-proof and shock-proof coating.
Further, the coating contains nano silicon oxide, carbyne sulfide, carbon fiber, graphene, an ultraviolet absorber, an ultraviolet stabilizer and an antioxidant.
The invention mainly has the following beneficial effects:
the reinforced explosion-proof and shock-proof coating is coated on the surface of the safety helmet, and a coating formed by drying and curing has the functions of reinforcement, water resistance, explosion resistance and shock resistance, and is wide in application range, easy to produce and process and beneficial to popularization and application.
Drawings
FIG. 1 is a schematic flow chart of an embodiment of a preparation method of the reinforced explosion-proof and earthquake-proof coating.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and 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.
The reinforced explosion-proof and earthquake-resistant coating is prepared by blending a group A raw material and a group B raw material, wherein the preferable proportion of the group A raw material to the group B raw material is 1: 1. wherein the content of the first and second substances,
the group A raw materials are prepared from the following components in percentage by mass: 0.1-0.5% of wetting agent, 0.1-5% of dispersing agent, 0.1-0.5% of defoaming agent, 1-5% of flatting agent, 60-80% of trifunctional polyester resin, 1-5% of polyol, 3-5% of nano silicon oxide, 1-5% of carbyne sulfide, 1-5% of carbon fiber, 1-5% of graphene, 1-5% of ultraviolet absorbent, 1-5% of ultraviolet stabilizer and 1-5% of antioxidant, wherein the sum of the mass percentages of the components is 100%; the trifunctional polyester resin is a high molecular compound formed by condensation polymerization of one of dihydric alcohol, dibasic acid and polyhydric alcohol (the polyhydric alcohol is alcohol resin containing three or more hydroxyl groups in the molecule and has a general formula of CnH2n +2-x (OH) x, wherein x is more than or equal to 3.), the wetting agent is polyether modified polydimethylsiloxane solution, the dispersing agent comprises polyester modified polydimethylsiloxane solution, the defoaming agent is polysiloxane solution defoaming agent, the ultraviolet absorbent is a light stabilizer (such as hindered amine light stabilizer), the trifunctional polyester resin is an additive of high molecular products (such as plastics, rubber, paint and synthetic fibers) and can shield or absorb energy of ultraviolet; the ultraviolet stabilizer is three light stabilizers which can stabilize an ultraviolet absorber (such as propylene glycol); the antioxidant is phosphite antioxidant (such as antioxidant 168), and the vulcanized carbyne is one-dimensional linear ribbon with vulcanized carbon atoms; the carbon fiber is a novel fiber material of high-strength and high-modulus fiber with the carbon content of more than 95 percent, is formed by piling up organic fibers such as flake graphite microcrystals along the axial direction of the fiber, and is a microcrystalline graphite material obtained by carbonization and graphitization treatment; the preferred scheme is as follows: the wetting agent is preferably a German Bik chemical polyether modified polydimethylsiloxane BYK-344 wetting dispersant, the dispersant is preferably a German Bik chemical BYK-310 polyester modified polydimethylsiloxane dispersant, and the leveling agent is preferably a German Bik chemical BYK-373 leveling agent.
The B group raw material is a carbamido isocyanate curing agent which is a carbamido diisocyanate curing agent and is prepared from isocyanate, water and HDI (hexamethylene diisocyanate).
As shown in FIG. 1, the preparation method of the reinforced explosion-proof and earthquake-proof coating comprises the following steps:
step 100. mixing the trifunctional polyester resin with a polyol.
200, under the condition of rotating and stirring, sequentially adding a wetting agent, a dispersing agent, nano silicon oxide, carbon sulfide, carbon fiber, graphene, an ultraviolet absorbent, an ultraviolet stabilizer, an antioxidant, a leveling agent and a defoaming agent into the mixed trifunctional polyester resin and the polyol, and uniformly stirring to obtain a mixture liquid; wherein the rotating speed is 400r/min-600 r/min.
And 300, filtering the mixture liquid to obtain the raw material A.
Step 400, preparing the raw materials of the group A and the raw materials of the group B to prepare a reinforced explosion-proof and earthquake-proof coating; the B group raw material is a ureido isocyanate curing agent which is a ureido diisocyanate curing agent and is prepared from isocyanate, water and HDI; when in preparation, firstly, isocyanate reacts with water to generate amine, and then reacts with HDI to generate carbamido diisocyanate curing agent; and the blending ratio of the group A raw materials to the group B raw materials is preferably 1: 1.
the reinforced explosion-proof and shock-proof coating is coated on the surface of a safety helmet, and is dried and cured to form a coating, wherein the coating contains nano silicon oxide, carbyne sulfide, carbon fiber, graphene, an ultraviolet absorber, an ultraviolet stabilizer and an antioxidant. Tests prove that the coating has the functions of reinforcement, water resistance, explosion prevention and shock resistance for the safety helmet, the protective performance of the safety helmet is greatly improved, and the coating is easy to produce and process and is beneficial to popularization and application.
The reinforced explosion-proof and shock-proof coating, the preparation method and the safety helmet are further explained by the specific examples.
Example 1：
The embodiment 1 provides a reinforced explosion-proof and earthquake-proof coating, which is prepared by blending a group A raw material and a group B raw material, wherein the total mass of the raw materials of the reinforced explosion-proof and earthquake-proof coating is 100%; the component A is prepared from 0.3% of wetting agent, 0.3% of dispersing agent, 0.3% of defoaming agent, 2.5% of flatting agent, 72.6% of trifunctional polyester resin, 2% of polyol, 4% of nano silicon oxide, 3% of vulcanized carbyne, 3% of carbon fiber, 3% of graphene, 3% of ultraviolet absorbent, 2% of ultraviolet stabilizer and 4% of antioxidant, wherein the sum of the mass percentages of the components is 100%; the B group raw material is 100 percent of carbamido isocyanate curing agent.
The preparation method of the reinforced explosion-proof and earthquake-proof coating in the embodiment 1 comprises the following steps:
1) sequentially adding polyol resin, a wetting agent, a dispersing agent, nano silicon oxide, carbon sulfide alkyne, carbon fiber, an ultraviolet absorbent, an ultraviolet stabilizer, an antioxidant, a leveling agent and a defoaming agent into the trifunctional polyester resin at the rotating speed of 400-600 r/min, and uniformly stirring to obtain a mixture liquid;
2) uniformly stirring, filtering and packaging to obtain a group A raw material of the reinforced explosion-proof and earthquake-proof coating;
3) mixing the raw materials of the group A and the raw materials of the group B according to the proportion of 1: 1 to be prepared into the reinforced explosion-proof and earthquake-proof coating.
Example 2：
The embodiment 2 provides a reinforced explosion-proof and earthquake-proof coating, which is prepared by blending a group A raw material and a group B raw material, wherein the total mass of the raw materials of the reinforced explosion-proof and earthquake-proof coating is 100%; the component A is prepared from 0.3% of wetting agent, 0.3% of dispersing agent, 0.3% of defoaming agent, 2.5% of flatting agent, 61% of trifunctional polyester resin, 2% of polyol, 5% of nano silicon oxide, 5% of vulcanized carbyne, 5% of carbon fiber, 5% of graphene, 5% of ultraviolet absorbent, 4% of ultraviolet stabilizer and 4.6% of antioxidant, wherein the sum of the mass percentages of the components is 100%; the B group raw material is 100 percent of carbamido isocyanate curing agent.
The preparation method of the reinforced explosion-proof and earthquake-proof coating in the embodiment 1 comprises the following steps:
1) sequentially adding polyol resin, a wetting agent, a dispersing agent, nano silicon oxide, carbon sulfide alkyne, carbon fiber, an ultraviolet absorbent, an ultraviolet stabilizer, an antioxidant, a leveling agent and a defoaming agent into the trifunctional polyester resin at the rotating speed of 400-600 r/min, and uniformly stirring to obtain a mixture liquid;
2) uniformly stirring, filtering and packaging to obtain a group A raw material of the reinforced explosion-proof and earthquake-proof coating;
3) mixing the raw materials of the group A and the raw materials of the group B according to the proportion of 1: 1 to be prepared into the reinforced explosion-proof and earthquake-proof coating.
The reinforced explosion-proof and shock-proof coating materials of examples 1 and 2 of the invention are coated on a conventional safety helmet, GB 1410 solid electrical insulating material, insulation resistance, volume resistivity and surface resistivity test methods and GB 2812 safety helmet test methods are adopted for testing, meanwhile, the conventional safety helmet (not coated with the reinforced explosion-proof and shock-proof coating material of the invention) of the same type is used as a comparative example for testing, and specific test results are shown in the following table 1.
TABLE 1
From table 1 it can be seen that: the safety helmet embodiments 1-2 coated with the reinforced explosion-proof and shock-proof coating and the uncoated conventional safety helmet have the advantages that the strength, the waterproof performance, the explosion-proof performance and the shock resistance of the safety helmet are obviously improved, and the safety performance is better.
In addition, the reinforced explosion-proof and earthquake-proof coating can be used for various facilities, has a wide application range, has the functions of reinforcement, water resistance, explosion resistance and earthquake resistance, and meets the response requirements of people on special environments.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (13)
1. The reinforced explosion-proof and earthquake-resistant coating is characterized by being prepared from a group A raw material and a group B raw material; wherein the content of the first and second substances,
the group A raw materials are prepared from the following components in percentage by mass: 0.1-0.5% of wetting agent, 0.1-5% of dispersing agent, 0.1-0.5% of defoaming agent, 1-5% of flatting agent, 60-80% of trifunctional polyester resin, 1-5% of polyol, 3-5% of nano silicon oxide, 1-5% of carbyne sulfide, 1-5% of carbon fiber, 1-5% of graphene, 1-5% of ultraviolet absorbent, 1-5% of ultraviolet stabilizer and 1-5% of antioxidant, wherein the sum of the mass percentages of the components is 100%;
the raw material B is carbamido isocyanate curing agent.
2. The coating of claim 1, wherein the wetting agent is a polyether modified polydimethylsiloxane solution, the dispersant comprises a polyester modified polydimethylsiloxane solution, the defoamer is a polysiloxane solution type defoamer, and the antioxidant is a phosphite antioxidant.
3. The coating of claim 2, wherein the wetting agent is a german BYK chemical polyether modified polydimethylsiloxane BYK-344 wetting dispersant, the dispersant is a german BYK chemical BYK-310 polyester modified polydimethylsiloxane dispersant, and the leveling agent is a german BYK chemical BYK-373 leveling agent.
4. A coating according to claim 1, 2 or 3, wherein the cured carbyne is a one-dimensional linear ribbon of carbon atoms cured; the carbon fiber is a novel fiber material of high-strength and high-modulus fiber with the carbon content of more than 95 percent, is formed by piling up organic fibers such as flake graphite microcrystals along the axial direction of the fiber, and is a microcrystalline graphite material obtained by carbonization and graphitization treatment.
5. The paint according to claim 1, 2 or 3, wherein the trifunctional polyester resin is a high molecular compound obtained by polycondensation of one of a diol, a diacid and a polyol with a polyacid.
6. The coating material according to claim 5, wherein the polyol is an alcohol resin having three or more hydroxyl groups in the molecule, and has a general formula of CnH2n +2-x (OH) x, wherein x is 3 or more.
7. The coating according to claim 1 or 2 or 3 or 6, wherein the urea-based isocyanate curing agent is a urea-based diisocyanate curing agent prepared from isocyanate, water and HDI.
8. The coating of claim 1 or 2 or 3 or 6, wherein the ratio of group A and group B raw materials is 1: 1.
9. a preparation method of the reinforced explosion-proof and earthquake-proof coating as recited in any one of claims 1 to 8, characterized by comprising the following steps:
a1. mixing a trifunctional polyester resin and a polyol;
a2. under the condition of rotating and stirring, sequentially adding a wetting agent, a dispersing agent, nano silicon oxide, carbon sulfide alkyne, carbon fiber, graphene, an ultraviolet absorbent, an ultraviolet stabilizer, an antioxidant, a flatting agent and a defoaming agent into the mixed trifunctional polyester resin and the polyol, and uniformly stirring to obtain a mixture liquid;
a3. filtering the mixture liquid to obtain a group A raw material;
a4. and preparing the group A raw materials and the group B raw materials into the reinforced explosion-proof and earthquake-proof coating.
10. The method according to claim 9, wherein the urea-based isocyanate curing agent is a urea-based diisocyanate curing agent prepared from isocyanate, water and HDI; when in preparation, firstly, isocyanate reacts with water to generate amine, and then reacts with HDI to generate carbamido diisocyanate curing agent.
11. The method according to claim 9, wherein the rotation speed in step a2 is 400r/min-600r/min, and the blending ratio of the group A raw materials to the group B raw materials is 1: 1.
12. a safety helmet characterized in that the surface of the safety helmet has a coating layer cured by the reinforced explosion-proof and shock-proof paint according to any one of claims 1 to 8.
13. The headgear of claim 9, wherein the coating comprises nano-silica, carbyne sulfide, carbon fiber, graphene, ultraviolet absorbers, ultraviolet stabilizers, antioxidants.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115584195A (en) * | 2022-10-11 | 2023-01-10 | 浙江省产品质量安全科学研究院 | Bi-component coating for helmet and preparation method thereof |
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