CN114619736A - High-strength flame-retardant acrylic plate - Google Patents
High-strength flame-retardant acrylic plate Download PDFInfo
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- CN114619736A CN114619736A CN202210284544.XA CN202210284544A CN114619736A CN 114619736 A CN114619736 A CN 114619736A CN 202210284544 A CN202210284544 A CN 202210284544A CN 114619736 A CN114619736 A CN 114619736A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
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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
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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- 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
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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Abstract
The invention relates to an acrylic plate, in particular to a high-strength flame-retardant acrylic plate which comprises the following components in parts by weight: 0.8-1.8 parts of chloromethyl acetate, 5-9 parts of ethylene glycol dimethacrylate, 0.4-1.4 parts of catalyst, 2-5 parts of modified antimony trioxide, 3.2-4.6 parts of fluorite powder, 2-4 parts of nano calcium carbonate, 3-5 parts of nano silicon carbide, 1.8-3.2 parts of magnesium hydroxide, 1.2-2.4 parts of maleic anhydride, 0.6-1.2 parts of hexadecyl trimethyl ammonium chloride, 0.6-1.4 parts of sodium hexametaphosphate and 140 parts of acrylic resin monomer 130-containing material, wherein the surface of the acrylic substrate plate is uniformly coated with silica gel, and the surface of the acrylic substrate plate is laminated with a flame-retardant layer; the technical scheme provided by the invention can effectively overcome the defects of poor stability and reliability of power distribution room supervision, incapability of effectively improving the working efficiency and waste of a large amount of human resources in the prior art.
Description
Technical Field
The invention relates to an acrylic plate, in particular to a high-strength flame-retardant acrylic plate.
Background
The acrylic plate has the advantages of light weight, low cost, easy forming and the like, and is mainly used for carving, decorating, manufacturing artworks and the like. In the aspect of buildings, the acrylic plate is mainly applied to lighting bodies, roofs, shed roofs, stairs, indoor wall protection plates and the like, and the acrylic plate is also applied to illumination lamp covers of highways and automobiles and lamps quite quickly. Along with the construction of high-grade business and houses in large cities, the lighting body is developed rapidly, and the lighting body made of the acrylic plate has the characteristics of high overall structural strength, light dead weight, high light transmittance, good safety performance and the like, and has great superiority compared with an inorganic glass lighting device.
In the aspect of sanitary ware, the acrylic plate can be used for manufacturing products such as bathtubs, washbasins, dressing tables and the like. Acrylic is the best new material for manufacturing sanitary ware after ceramics, and compared with the traditional ceramic material, acrylic has the following advantages besides the incomparable high brightness: the toughness is good, and the product is not easy to damage; the repairability is strong, and the sanitary appliance can be wiped to be new only by dipping soft foam into toothpaste; the texture is soft, and the feeling of cold and bone pricking is not generated in winter; the color is bright, and the individual pursuit of different grades can be met.
The production process of the common acrylic plate comprises two processes: casting and extrusion. The casting method is to mix methyl methacrylate monomer with other reactants to form slurry, inject the slurry into a mold, and perform subsequent heat treatment to realize polymerization. The method mainly adopts a frame-shaped die which mainly comprises an upper plate and a lower plate, wherein the two plates clamp the forming raw material of the acrylic plate in the middle, then the acrylic plate is hung in a warm water pool to carry out water bath, the acrylic plate is hung out or moved into the warm water pools with different temperatures after a plurality of hours, and the raw material in the die is polymerized to form the solid acrylic plate.
The extrusion method is that methyl methacrylate monomer and other raw materials are melted at high temperature and polymerized at low temperature to form suspended material, and then the suspended material is formed by an extruder, and the extrusion method can realize mass production of large-scale large parts.
Although, the acrylic has good transparency and light transmittance, good chemical stability and weather resistance and strong adaptability to natural environment. However, the structural strength and flame retardancy of the acrylic sheet are not very good, and the use of the acrylic sheet is directly affected to some extent.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects in the prior art, the invention provides the high-strength flame-retardant acrylic plate, which can effectively overcome the defects of poor structural strength and flame retardance of the acrylic plate in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a high-strength flame-retardant acrylic plate comprises the following components in parts by weight: 0.8-1.8 parts of chloromethyl acetate, 5-9 parts of ethylene glycol dimethacrylate, 0.4-1.4 parts of catalyst, 2-5 parts of modified antimony trioxide, 3.2-4.6 parts of fluorite powder, 2-4 parts of nano calcium carbonate, 3-5 parts of nano silicon carbide, 1.8-3.2 parts of magnesium hydroxide, 1.2-2.4 parts of maleic anhydride, 0.6-1.2 parts of hexadecyl trimethyl ammonium chloride, 0.6-1.4 parts of sodium hexametaphosphate and 140 parts of acrylic resin monomer 130-;
the even coating in ya keli substrate plate surface has silica gel, ya keli substrate plate surface pressfitting has fire-retardant layer, fire-retardant layer includes following component by weight:
12-20 parts of epoxy resin, 4-6 parts of dispersant and 5-7 parts of flame retardant.
Preferably, the acrylic resin monomer is composed of a mixture of polymethyl methacrylate and polycarbonate resin, wherein the mass ratio of the polymethyl methacrylate to the polycarbonate resin is 9: 1.
Preferably, the modified antimony trioxide is prepared by the following method:
s1, adding antimony trioxide into water for dispersion;
s2, adding 3-aminopropyltriethoxysilane, heating, stirring and cooling;
s3, adding isooctanoic acid, dicyclohexylcarbodiimide, sodium dodecyl benzene sulfonate and hexaaminocyclophosphazene, stirring and uniformly mixing, cooling to room temperature after heat preservation, spray drying and grinding.
Preferably, the flame retardant comprises triethyl phosphate and a complex component, wherein the mass ratio of the triethyl phosphate to the complex component is 0.7: 1.
Preferably, the composite component is prepared by the following method:
amino is grafted on the surface of silicon dioxide through a coupling agent, then, amidation reaction is carried out on graphene oxide and the amino on the surface of the silicon dioxide, the graphene oxide is adsorbed on the surface of the silicon dioxide through an amido bond, and finally, the graphene oxide is obtained through drying and crushing.
Preferably, the dispersant is one of stearic acid monoglyceride and vinyl bis stearamide.
Preferably, the catalyst is dicumyl peroxide.
Preferably, the diameter of the nano calcium carbonate and the nano silicon carbide is 50-100 nm.
(III) advantageous effects
Compared with the prior art, the high-strength flame-retardant acrylic plate provided by the invention has the following beneficial effects:
1) the raw materials and the component proportion of the acrylic plate are optimized and adjusted, so that the use quality of the acrylic plate is effectively improved, the aim of ensuring good transparency and simultaneously fully improving the structural strength of the acrylic plate is fulfilled under the action of fluorite powder, nano calcium carbonate and nano silicon carbide, and the service life of the acrylic plate is effectively prolonged;
2) because the silicon dioxide has good dispersibility, the prepared composite component is effectively dispersed in the flame-retardant layer, the aggregation of graphene oxide can be avoided, and the flame retardance of the acrylic plate is effectively improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A high-strength flame-retardant acrylic plate comprises the following components in parts by weight: 0.8-1.8 parts of chloromethyl acetate, 5-9 parts of ethylene glycol dimethacrylate, 0.4-1.4 parts of catalyst, 2-5 parts of modified antimony trioxide, 3.2-4.6 parts of fluorite powder, 2-4 parts of nano calcium carbonate, 3-5 parts of nano silicon carbide, 1.8-3.2 parts of magnesium hydroxide, 1.2-2.4 parts of maleic anhydride, 0.6-1.2 parts of hexadecyl trimethyl ammonium chloride, 0.6-1.4 parts of sodium hexametaphosphate and 140 parts of acrylic resin monomer 130-;
the even coating in ya keli substrate plate surface has silica gel, and ya keli substrate plate surface pressfitting has fire-retardant layer, and fire-retardant layer includes following component by weight:
12-20 parts of epoxy resin, 4-6 parts of dispersing agent and 5-7 parts of flame retardant.
The acrylic resin monomer is composed of a mixture of polymethyl methacrylate and polycarbonate resin, wherein the mass ratio of the polymethyl methacrylate to the polycarbonate resin is 9: 1.
Wherein, the modified antimony trioxide is prepared by the following method:
s1, adding antimony trioxide into water for dispersion;
s2, adding 3-aminopropyltriethoxysilane, heating, stirring and cooling;
s3, adding isooctanoic acid, dicyclohexylcarbodiimide, sodium dodecyl benzene sulfonate and hexaaminocyclophosphazene, stirring and uniformly mixing, cooling to room temperature after heat preservation, spray drying and grinding.
The flame retardant comprises triethyl phosphate and a composite component, wherein the mass ratio of the triethyl phosphate to the composite component is 0.7: 1. The composite component is prepared by the following method: amino is grafted on the surface of silicon dioxide through a coupling agent, then, amidation reaction is carried out on graphene oxide and the amino on the surface of the silicon dioxide, the graphene oxide is adsorbed on the surface of the silicon dioxide through an amido bond, and finally, the graphene oxide is obtained through drying and crushing.
Wherein the dispersant is one of stearic acid monoglyceride and vinyl bis stearamide, the catalyst is dicumyl peroxide, and the diameters of the nano calcium carbonate and the nano silicon carbide are 50-100 nm.
Example 1
A high-strength flame-retardant acrylic plate comprises the following components in parts by weight: 0.8 part of chloromethyl acetate, 5 parts of ethylene glycol dimethacrylate, 0.4 part of catalyst, 2 parts of modified antimony trioxide, 3.2 parts of fluorite powder, 2 parts of nano calcium carbonate, 3 parts of nano silicon carbide, 1.8 parts of magnesium hydroxide, 1.2 parts of maleic anhydride, 0.6 part of hexadecyl trimethyl ammonium chloride, 0.6 part of sodium hexametaphosphate and 130 parts of acrylic resin monomer;
the even coating in ya keli substrate plate surface has silica gel, and ya keli substrate plate surface pressfitting has fire-retardant layer, and fire-retardant layer includes following component by weight:
12 parts of epoxy resin, 4 parts of dispersant and 5 parts of flame retardant.
Example 2
The difference from the example 1 is only the weight of each component, which is as follows:
a high-strength flame-retardant acrylic plate comprises the following components in parts by weight: 0.8 part of chloromethyl acetate, 5 parts of ethylene glycol dimethacrylate, 0.4 part of catalyst, 2 parts of modified antimony trioxide, 3.2 parts of fluorite powder, 2 parts of nano calcium carbonate, 3 parts of nano silicon carbide, 1.8 parts of magnesium hydroxide, 1.2 parts of maleic anhydride, 0.6 part of hexadecyl trimethyl ammonium chloride, 0.6 part of sodium hexametaphosphate and 130 parts of acrylic resin monomer;
the even coating in ya keli substrate plate surface has silica gel, and ya keli substrate plate surface pressfitting has fire-retardant layer, and fire-retardant layer includes following component by weight:
16 parts of epoxy resin, 5 parts of dispersant and 6 parts of flame retardant.
Example 3
The difference from the example 1 is only the weight of each component, which is as follows:
a high-strength flame-retardant acrylic plate comprises the following components in parts by weight: 0.8 part of chloromethyl acetate, 5 parts of ethylene glycol dimethacrylate, 0.4 part of catalyst, 2 parts of modified antimony trioxide, 3.2 parts of fluorite powder, 2 parts of nano calcium carbonate, 3 parts of nano silicon carbide, 1.8 parts of magnesium hydroxide, 1.2 parts of maleic anhydride, 0.6 part of hexadecyl trimethyl ammonium chloride, 0.6 part of sodium hexametaphosphate and 130 parts of acrylic resin monomer;
the even coating in ya keli substrate plate surface has silica gel, and ya keli substrate plate surface pressfitting has fire-retardant layer, and fire-retardant layer includes following component by weight:
20 parts of epoxy resin, 6 parts of dispersant and 7 parts of flame retardant.
Example 4
The difference from the example 1 is only the weight of each component, which is as follows:
a high-strength flame-retardant acrylic plate comprises the following components in parts by weight: 1.3 parts of chloromethyl acetate, 7 parts of ethylene glycol dimethacrylate, 0.9 part of catalyst, 3.5 parts of modified antimony trioxide, 3.9 parts of fluorite powder, 3 parts of nano calcium carbonate, 4 parts of nano silicon carbide, 2.5 parts of magnesium hydroxide, 1.8 parts of maleic anhydride, 0.9 part of hexadecyl trimethyl ammonium chloride, 1 part of sodium hexametaphosphate and 135 parts of acrylic resin monomer;
the even coating in ya keli substrate plate surface has silica gel, ya keli substrate plate surface pressfitting has fire-retardant layer, fire-retardant layer includes following component by weight:
12 parts of epoxy resin, 4 parts of dispersant and 5 parts of flame retardant.
Example 5
The difference from the example 1 is only the weight of each component, which is as follows:
a high-strength flame-retardant acrylic plate comprises the following components in parts by weight: 1.3 parts of chloromethyl acetate, 7 parts of ethylene glycol dimethacrylate, 0.9 part of catalyst, 3.5 parts of modified antimony trioxide, 3.9 parts of fluorite powder, 3 parts of nano calcium carbonate, 4 parts of nano silicon carbide, 2.5 parts of magnesium hydroxide, 1.8 parts of maleic anhydride, 0.9 part of hexadecyl trimethyl ammonium chloride, 1 part of sodium hexametaphosphate and 135 parts of acrylic resin monomer;
the even coating in ya keli substrate plate surface has silica gel, ya keli substrate plate surface pressfitting has fire-retardant layer, fire-retardant layer includes following component by weight:
16 parts of epoxy resin, 5 parts of dispersant and 6 parts of flame retardant.
Example 6
The difference from the embodiment 1 is only the weight of each component, and the specific difference is as follows:
a high-strength flame-retardant acrylic plate comprises the following components in parts by weight: 1.3 parts of chloromethyl acetate, 7 parts of ethylene glycol dimethacrylate, 0.9 part of catalyst, 3.5 parts of modified antimony trioxide, 3.9 parts of fluorite powder, 3 parts of nano calcium carbonate, 4 parts of nano silicon carbide, 2.5 parts of magnesium hydroxide, 1.8 parts of maleic anhydride, 0.9 part of hexadecyl trimethyl ammonium chloride, 1 part of sodium hexametaphosphate and 135 parts of acrylic resin monomer;
the even coating in ya keli substrate plate surface has silica gel, ya keli substrate plate surface pressfitting has fire-retardant layer, fire-retardant layer includes following component by weight:
20 parts of epoxy resin, 6 parts of dispersant and 7 parts of flame retardant.
Example 7
The difference from the example 1 is only the weight of each component, which is as follows:
a high-strength flame-retardant acrylic plate comprises the following components in parts by weight: 1.8 parts of chloromethyl acetate, 9 parts of ethylene glycol dimethacrylate, 1.4 parts of catalyst, 5 parts of modified antimony trioxide, 4.6 parts of fluorite powder, 4 parts of nano calcium carbonate, 5 parts of nano silicon carbide, 3.2 parts of magnesium hydroxide, 2.4 parts of maleic anhydride, 1.2 parts of hexadecyl trimethyl ammonium chloride, 1.4 parts of sodium hexametaphosphate and 140 parts of acrylic resin monomer;
the even coating in ya keli substrate plate surface has silica gel, ya keli substrate plate surface pressfitting has fire-retardant layer, fire-retardant layer includes following component by weight:
12 parts of epoxy resin, 4 parts of dispersant and 5 parts of flame retardant.
Example 8
The difference from the example 1 is only the weight of each component, which is as follows:
a high-strength flame-retardant acrylic plate comprises the following components in parts by weight: 1.8 parts of chloromethyl acetate, 9 parts of ethylene glycol dimethacrylate, 1.4 parts of catalyst, 5 parts of modified antimony trioxide, 4.6 parts of fluorite powder, 4 parts of nano calcium carbonate, 5 parts of nano silicon carbide, 3.2 parts of magnesium hydroxide, 2.4 parts of maleic anhydride, 1.2 parts of hexadecyl trimethyl ammonium chloride, 1.4 parts of sodium hexametaphosphate and 140 parts of acrylic resin monomer;
the even coating in ya keli substrate plate surface has silica gel, ya keli substrate plate surface pressfitting has fire-retardant layer, fire-retardant layer includes following component by weight:
16 parts of epoxy resin, 5 parts of dispersant and 6 parts of flame retardant.
Example 9
The difference from the example 1 is only the weight of each component, which is as follows:
a high-strength flame-retardant acrylic plate comprises the following components in parts by weight: 1.8 parts of chloromethyl acetate, 9 parts of ethylene glycol dimethacrylate, 1.4 parts of catalyst, 5 parts of modified antimony trioxide, 4.6 parts of fluorite powder, 4 parts of nano calcium carbonate, 5 parts of nano silicon carbide, 3.2 parts of magnesium hydroxide, 2.4 parts of maleic anhydride, 1.2 parts of hexadecyl trimethyl ammonium chloride, 1.4 parts of sodium hexametaphosphate and 140 parts of acrylic resin monomer;
the even coating in ya keli substrate plate surface has silica gel, ya keli substrate plate surface pressfitting has fire-retardant layer, fire-retardant layer includes following component by weight:
20 parts of epoxy resin, 6 parts of dispersant and 7 parts of flame retardant.
The strength test and the burning test were performed for the above examples 1 to 9, and the results shown in table 1 were obtained. Among them, the flame test was carried out by evaluating the flame retardancy using the UL94 flame test, and the UL94 flame test was carried out by using a specimen for evaluating the flame retardancy after leaving it at a constant temperature of 23 ℃ and a relative humidity of 50% for 48 hours.
Table 1 results of strength test and burning test for examples 1 to 9
| Group of | Strength test results (MPa) | Results of Combustion test |
| Example 1 | 175 | V-1 |
| Example 2 | 175 | V-1 |
| Example 3 | 176 | V-2 |
| Example 4 | 179 | V-1 |
| Example 5 | 180 | V-1 |
| Example 6 | 181 | V-2 |
| Example 7 | 184 | V-1 |
| Example 8 | 184 | V-1 |
| Example 9 | 185 | V-2 |
In the technical scheme of the application, the preparation method of the high-strength flame-retardant acrylic plate comprises the following steps:
s1, adding an acrylic resin monomer, ethylene glycol dimethacrylate and a catalyst into a reaction kettle, stirring for 15-25min, uniformly mixing, and heating and polymerizing at 80-85 ℃ for 30-40 min;
s2, adding chloromethyl acetate, modified antimony trioxide, fluorite powder, nano calcium carbonate, nano silicon carbide, magnesium hydroxide, maleic anhydride, hexadecyl trimethyl ammonium chloride and sodium hexametaphosphate, and stirring for 15-25min to uniformly mix to obtain a mixture;
s3, pouring the mixture into a mold, curing for 2-3h at 55-65 ℃, then curing for 20-30min at 110-120 ℃, cooling, and demolding to obtain an acrylic substrate plate;
s4, grafting amino on the surface of silicon dioxide through a coupling agent, then enabling graphene oxide and the amino on the surface of the silicon dioxide to perform amidation reaction, adsorbing the graphene oxide on the surface of the silicon dioxide through an amido bond, and finally drying and crushing to obtain a composite component;
s5, stirring and mixing the epoxy resin, the dispersing agent and the flame retardant uniformly to obtain a flame-retardant layer;
s6, uniformly coating silica gel on the surface of the acrylic substrate plate, and pressing the flame-retardant layer on the surface of the acrylic substrate plate to obtain the high-strength flame-retardant acrylic plate.
Among this application technical scheme, at the in-process that promotes ya keli board structural strength, optimize the adjustment through the raw and other materials to the ya keli board and the component proportion, effectively improved the service quality of ya keli board, under the effect of fluorite powder, nanometer calcium carbonate, nanometer carborundum, fully promoted the purpose of ya keli board structural strength when having realized guaranteeing good transparency, effectively prolonged the life of ya keli board.
In the process of improving the flame retardance of the acrylic plate, amino is grafted on the surface of silicon dioxide through a coupling agent, then graphene oxide and the amino on the surface of the silicon dioxide are subjected to amidation reaction, the graphene oxide is adsorbed on the surface of the silicon dioxide through amido bonds, finally, the composite component is obtained through drying and crushing, the composite component and triethyl phosphate are utilized to form the flame retardant, and the silicon dioxide has good dispersibility, so that the prepared composite component is effectively dispersed in the flame retardant layer, the aggregation of the graphene oxide can be avoided, and the flame retardance of the acrylic plate is effectively improved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (8)
1. The utility model provides a fire-retardant inferior gram force board of high strength which characterized in that: the paint comprises the following components in parts by weight: 0.8-1.8 parts of chloromethyl acetate, 5-9 parts of ethylene glycol dimethacrylate, 0.4-1.4 parts of catalyst, 2-5 parts of modified antimony trioxide, 3.2-4.6 parts of fluorite powder, 2-4 parts of nano calcium carbonate, 3-5 parts of nano silicon carbide, 1.8-3.2 parts of magnesium hydroxide, 1.2-2.4 parts of maleic anhydride, 0.6-1.2 parts of hexadecyl trimethyl ammonium chloride, 0.6-1.4 parts of sodium hexametaphosphate and 140 parts of acrylic resin monomer 130-;
the even coating in ya keli substrate plate surface has silica gel, ya keli substrate plate surface pressfitting has fire-retardant layer, fire-retardant layer includes following component by weight:
12-20 parts of epoxy resin, 4-6 parts of dispersant and 5-7 parts of flame retardant.
2. The high strength flame retardant acrylic sheet according to claim 1, wherein: the acrylic resin monomer is composed of a mixture of polymethyl methacrylate and polycarbonate resin, wherein the mass ratio of the polymethyl methacrylate to the polycarbonate resin is 9: 1.
3. The high strength flame retardant acrylic sheet according to claim 1 wherein: the modified antimony trioxide is prepared by the following method:
s1, adding antimony trioxide into water for dispersion;
s2, adding 3-aminopropyltriethoxysilane, heating, stirring and cooling;
s3, adding isooctanoic acid, dicyclohexylcarbodiimide, sodium dodecyl benzene sulfonate and hexaaminocyclophosphazene, stirring and uniformly mixing, cooling to room temperature after heat preservation, spray drying and grinding.
4. The high strength flame retardant acrylic sheet according to claim 1 wherein: the flame retardant comprises triethyl phosphate and a composite component, wherein the mass ratio of the triethyl phosphate to the composite component is 0.7: 1.
5. The high strength flame retardant acrylic sheet according to claim 4 wherein: the composite component is prepared by the following method:
amino is grafted on the surface of silicon dioxide through a coupling agent, then, amidation reaction is carried out on graphene oxide and the amino on the surface of the silicon dioxide, the graphene oxide is adsorbed on the surface of the silicon dioxide through an amido bond, and finally, the graphene oxide is obtained through drying and crushing.
6. The high strength flame retardant acrylic sheet according to claim 1 wherein: the dispersing agent is one of stearic acid monoglyceride and vinyl bis stearamide.
7. The high strength flame retardant acrylic sheet according to claim 1 wherein: the catalyst is dicumyl peroxide.
8. The high strength flame retardant acrylic sheet according to claim 1 wherein: the diameters of the nano calcium carbonate and the nano silicon carbide are 50-100 nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284544.XA CN114619736A (en) | 2022-03-22 | 2022-03-22 | High-strength flame-retardant acrylic plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284544.XA CN114619736A (en) | 2022-03-22 | 2022-03-22 | High-strength flame-retardant acrylic plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115109374A (en) * | 2022-08-05 | 2022-09-27 | 安徽迈明亚克力科技有限公司 | High-strength flame-retardant acrylic plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109438615A (en) * | 2018-11-15 | 2019-03-08 | 张金娥 | High-intensitive acryl plates and its preparation process |
| CN109825020A (en) * | 2019-02-25 | 2019-05-31 | 安徽迈明亚克力科技有限公司 | A kind of high intensity high light transmission acryl plates and preparation method thereof |
| CN113829706A (en) * | 2021-09-23 | 2021-12-24 | 珠海市盛西源机电设备有限公司 | Flame-retardant acrylic composite board and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109438615A (en) * | 2018-11-15 | 2019-03-08 | 张金娥 | High-intensitive acryl plates and its preparation process |
| CN109825020A (en) * | 2019-02-25 | 2019-05-31 | 安徽迈明亚克力科技有限公司 | A kind of high intensity high light transmission acryl plates and preparation method thereof |
| CN113829706A (en) * | 2021-09-23 | 2021-12-24 | 珠海市盛西源机电设备有限公司 | Flame-retardant acrylic composite board and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115109374A (en) * | 2022-08-05 | 2022-09-27 | 安徽迈明亚克力科技有限公司 | High-strength flame-retardant acrylic plate |
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