CN116178871A - Scratch-resistant polymethyl methacrylate plate and production process thereof - Google Patents
Scratch-resistant polymethyl methacrylate plate and production process thereof Download PDFInfo
- Publication number
- CN116178871A CN116178871A CN202310356728.7A CN202310356728A CN116178871A CN 116178871 A CN116178871 A CN 116178871A CN 202310356728 A CN202310356728 A CN 202310356728A CN 116178871 A CN116178871 A CN 116178871A
- Authority
- CN
- China
- Prior art keywords
- scratch
- polymethyl methacrylate
- glass fiber
- parts
- resistant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920003229 poly(methyl methacrylate) Polymers 0.000 title claims abstract description 55
- 239000004926 polymethyl methacrylate Substances 0.000 title claims abstract description 55
- 230000003678 scratch resistant effect Effects 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title abstract description 12
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 33
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003063 flame retardant Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 14
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 14
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 13
- 239000004917 carbon fiber Substances 0.000 claims abstract description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 13
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims abstract description 11
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 10
- 239000003365 glass fiber Substances 0.000 claims description 64
- 238000006243 chemical reaction Methods 0.000 claims description 56
- 238000002156 mixing Methods 0.000 claims description 35
- 238000003756 stirring Methods 0.000 claims description 25
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 24
- 238000004321 preservation Methods 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 11
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 11
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 8
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 6
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 6
- 229960001124 trientine Drugs 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- MNJJTHFKDZQVKH-UHFFFAOYSA-N n'-[3-(diethoxymethylsilyl)propyl]ethane-1,2-diamine Chemical compound CCOC(OCC)[SiH2]CCCNCCN MNJJTHFKDZQVKH-UHFFFAOYSA-N 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 230000000379 polymerizing effect Effects 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- QOSATHPSBFQAML-UHFFFAOYSA-N hydrogen peroxide;hydrate Chemical compound O.OO QOSATHPSBFQAML-UHFFFAOYSA-N 0.000 claims description 4
- UJBORAMHOAWXLF-UHFFFAOYSA-N 1-(aziridin-1-yl)octadecan-1-one Chemical compound CCCCCCCCCCCCCCCCCC(=O)N1CC1 UJBORAMHOAWXLF-UHFFFAOYSA-N 0.000 claims description 3
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 3
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 238000010010 raising Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000002861 polymer material Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- WERJVTRSPUFCRW-UHFFFAOYSA-N NCC[SiH](C(OCC)OCC)CCCN Chemical compound NCC[SiH](C(OCC)OCC)CCCN WERJVTRSPUFCRW-UHFFFAOYSA-N 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011885 synergistic combination Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
Classifications
-
- 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
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- 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
- C08K3/2279—Oxides; Hydroxides of metals of antimony
-
- 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
- C08K3/38—Boron-containing compounds
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- 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
Abstract
The invention relates to the technical field of high polymer materials, in particular to a scratch-resistant polymethyl methacrylate plate and a production process thereof; the plate is prepared from the following raw materials in parts by weight: 100 to 120 parts of methyl methacrylate, 0.5 to 0.8 part of dicumyl peroxide, 1.2 to 3.2 parts of scratch-resistant auxiliary agent, 1.5 to 2.8 parts of carbon fiber, 1.2 to 1.8 parts of antioxidant, 2.5 to 3.6 parts of functional auxiliary agent, 0.5 to 1.0 part of lubricant and 8 to 15 parts of flame retardant; the polymethyl methacrylate board prepared by the invention has good scratch resistance and flame retardance, effectively ensures the quality or the quality of the prepared polymethyl methacrylate board and prolongs the service life of the polymethyl methacrylate board to a certain extent.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a scratch-resistant polymethyl methacrylate plate and a production process thereof.
Background
Polymethyl methacrylate (PMMA) is a high molecular polymer, also called acrylic or organic glass, has the advantages of high transparency, low price, easy machining and the like, and is a glass substitute material which is commonly used. The polymethyl methacrylate may be formed by casting, injection molding, machining, thermoforming, or the like. In particular, the injection molding can be realized in mass production, the manufacturing process is simple, and the cost is low. Therefore, the device is widely applied to instrument parts, automobile lamps, optical lenses and transparent pipelines.
The polymethyl methacrylate is applied to the building in the building industry, and is mainly applied to the aspects of lighting bodies, transparent roofs, shed roofs, telephone kiosks, stairways, wall protection boards of rooms and the like; the sanitary ware includes bathtub, washbasin, dressing table, etc.
At present, the commercially available polymethyl methacrylate plate has the advantages of high transparency, low price, easiness in machining and the like, but the mechanical scratch resistance and flame retardant property of the plate are relatively poor, and further improvement is still needed. Accordingly, the present invention provides a scratch-resistant polymethyl methacrylate board and a production process thereof, so as to solve the above-mentioned related technical problems.
Disclosure of Invention
The invention aims to provide a scratch-resistant polymethyl methacrylate board and a production process thereof, and the prepared polymethyl methacrylate board has good scratch resistance and prolonged service life to a certain extent; meanwhile, the material also has better flame retardant property, and the quality or quality of the prepared polymethyl methacrylate plate is effectively ensured.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the scratch-resistant polymethyl methacrylate plate is prepared from the following raw materials in parts by weight: 100 to 120 parts of methyl methacrylate, 0.5 to 0.8 part of dicumyl peroxide, 1.2 to 3.2 parts of scratch-resistant auxiliary agent, 1.5 to 2.8 parts of carbon fiber, 1.2 to 1.8 parts of antioxidant, 2.5 to 3.6 parts of functional auxiliary agent, 0.5 to 1.0 part of lubricant and 8 to 15 parts of flame retardant.
Furthermore, the scratch-resistant auxiliary agent is any one of Tego-410 scratch-resistant auxiliary agent, erucamide and oleamide.
Further, the antioxidant is selected from any one of antioxidant 3114 and antioxidant 1010.
Further, the lubricant is selected from any one of ethylene stearamide, stearic acid, zinc stearate and calcium stearate.
Further, the flame retardant is prepared from 0.2 to 0.3 of antimony trioxide, zinc borate and MB-202 solid flame retardant lubricant: 0.3 to 0.5:1 by mass ratio.
Further, the preparation method of the functional auxiliary agent comprises the following steps: uniformly dispersing the modified glass fiber in DMF (dimethyl formamide) according to the solid-to-liquid ratio of 0.02-0.06 g/mL, sequentially adding phthalic anhydride with the mass of 1.3-1.8 times and 2, 2-bis (hydroxymethyl) -1, 3-propanediol with the mass of 1.2-1.6 times that of the modified glass fiber, uniformly mixing and stirring, then heating the obtained mixed phase to 115-125 ℃, and carrying out heat preservation reaction for 6-10 h at the temperature; after the reaction is finished, triethylene tetramine with the mass of 1.5 to 2.5 times of that of phthalic anhydride is added into the mixed phase, and the mixture is subjected to heat preservation reaction for 5 to 8 hours at the temperature of 108 to 113 ℃; and after the reaction is finished, washing and drying the obtained product components in sequence, and finally obtaining the functional auxiliary agent finished product.
Further, the preparation method of the modified glass fiber comprises the following steps: uniformly dispersing the pretreated glass fiber in acetone according to the solid-liquid ratio of 0.03-0.08 g/mL, then adding the aminoethylaminopropyl diethoxymethyl silane with the mass 3-5 times of that of the pretreated glass fiber into the acetone, uniformly mixing and stirring the mixture, then heating the obtained mixture to 75-85 ℃, and carrying out heat preservation reaction for 5-8 h at the temperature; and after the reaction is finished, sequentially filtering and drying the obtained product components, and finally marking the obtained product as a modified glass fiber finished product.
Further, the preparation method of the pretreated glass fiber comprises the following steps: slowly dripping hydrogen peroxide water solution with the mass of 20-35 times and the mass concentration of 30% into glass fiber, uniformly mixing and stirring, raising the temperature of the obtained mixed components to 103-108 ℃, and carrying out reflux reaction for 4-6 h at the temperature; and after the reaction is finished, sequentially filtering and drying the obtained product components to obtain the pretreated glass fiber.
Further, the glass fiber has a length of 15 to 25 μm and a diameter of 10 to 13 μm.
A production process of a scratch-resistant polymethyl methacrylate board comprises the following steps:
firstly, accurately weighing all raw materials used for producing scratch-resistant polymethyl methacrylate plates, then putting methyl methacrylate and dicumyl peroxide into mixing equipment, mechanically mixing and stirring uniformly, and then carrying out heat preservation reaction on the obtained mixture at 80-85 ℃ for 30-40 min; after the reaction is finished, naturally cooling the obtained product components to room temperature, and preserving for later use;
step two, transferring the cooled product components, the scratch-resistant auxiliary agent, the carbon fiber, the antioxidant and the rest raw materials into mixing equipment, mechanically mixing and stirring uniformly, pouring the obtained compound slurry into a mould, and heating and polymerizing by adopting an air bath;
and thirdly, after the polymerization is finished, sequentially cooling and demolding the obtained product, and finally obtaining the finished product of the scratch-resistant polymethyl methacrylate plate.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, glass fiber is used as raw material, and the glass fiber is pretreated by hydrogen peroxide aqueous solution to obtain pretreated glass fiber; and then uniformly dispersing the pretreated glass fiber in acetone, adding the aminoethyl aminopropyl diethoxymethyl silane into the acetone, and carrying out heat preservation reaction to enable the aminoethyl aminopropyl diethoxymethyl silane to carry out chemical reaction with related groups on the surface of the glass fiber through chemical reaction, so that the aminoethyl aminopropyl diethoxymethyl silane is finally grafted on the surface of the pretreated glass fiber effectively to prepare the modified glass fiber. The obtained modified glass fiber is redispersed in DMF, phthalic anhydride and 2, 2-dihydroxymethyl-1, 3-propanediol are added into the glass fiber, triethylene tetramine is added into the glass fiber for continuous reaction after the heat preservation reaction is finished, and the functional auxiliary agent is finally obtained after the components of the resultant are washed and dried in sequence after the reaction is finished.
The mechanical properties of the polymethyl methacrylate plate can be effectively enhanced by the cooperation of the functional auxiliary agent and the carbon fiber, and the quality of the polymethyl methacrylate plate is effectively ensured. In addition, the scraping resistance of the polymethyl methacrylate plate can be effectively improved by the synergistic combination of the scraping resistance auxiliary agent, the functional auxiliary agent and the carbon fiber, and the service life of the polymethyl methacrylate plate is prolonged to a certain extent. The use of the flame retardant can also effectively improve the flame retardant property of the polymethyl methacrylate plate to a certain extent, and effectively improve the comprehensive performance and quality of the polymethyl methacrylate plate.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The scratch-resistant polymethyl methacrylate plate is prepared from the following raw materials in parts by weight: 100 parts of methyl methacrylate, 0.5 part of dicumyl peroxide, 1.2 parts of Tego-410 scratch-resistant auxiliary agent, 1.5 parts of carbon fiber, 1.2 parts of antioxidant 3114, 2.5 parts of functional auxiliary agent, 0.5 part of ethylene stearamide and 8 parts of flame retardant;
wherein, the flame retardant is prepared from antimony trioxide, zinc borate and MB-202 solid flame retardant lubricant according to the weight ratio of 0.2:0.3:1 by mass ratio.
The preparation method of the functional auxiliary agent comprises the following steps: uniformly dispersing the modified glass fiber in DMF (dimethyl formamide) according to the solid-to-liquid ratio of 0.02g/mL, sequentially adding phthalic anhydride with the mass 1.3 times that of the modified glass fiber and 2, 2-dihydroxymethyl-1, 3-propanediol with the mass 1.2 times that of the modified glass fiber, mixing and uniformly stirring, heating the obtained mixed phase to 115 ℃, and carrying out heat preservation reaction for 6 hours at the temperature; after the reaction is finished, triethylene tetramine with the mass 1.5 times of that of phthalic anhydride is added into the mixed phase, and the mixture is subjected to heat preservation reaction for 5 hours at the temperature of 108 ℃; and after the reaction is finished, washing and drying the obtained product components in sequence, and finally obtaining the functional auxiliary agent finished product.
The preparation method of the modified glass fiber comprises the following steps: uniformly dispersing the pretreated glass fiber in acetone according to the solid-liquid ratio of 0.03g/mL, then adding the aminoethylaminopropyl diethoxymethyl silane with the mass 3 times that of the pretreated glass fiber into the acetone, uniformly mixing and stirring the mixture, heating the obtained mixture to 75 ℃, and carrying out heat preservation reaction for 5 hours at the temperature; and after the reaction is finished, sequentially filtering and drying the obtained product components, and finally marking the obtained product as a modified glass fiber finished product.
The preparation method of the pretreated glass fiber comprises the following steps: slowly dripping hydrogen peroxide water solution with the mass of 20 times and the mass concentration of 30% into the glass fiber, uniformly mixing and stirring, heating the obtained mixed components to 103 ℃, and carrying out reflux reaction for 4 hours at the temperature; after the reaction is finished, sequentially filtering and drying the obtained product components to obtain the pretreated glass fiber; wherein the length of the glass fiber is 15 μm and the diameter is 10 μm.
A production process of a scratch-resistant polymethyl methacrylate board comprises the following steps:
firstly, accurately weighing all raw materials used for producing scratch-resistant polymethyl methacrylate plates, then putting methyl methacrylate and dicumyl peroxide into mixing equipment, mechanically mixing and uniformly stirring, and then carrying out heat preservation reaction on the obtained mixture at 80 ℃ for 30min; after the reaction is finished, naturally cooling the obtained product components to room temperature, and preserving for later use;
step two, transferring the cooled product components, the scratch-resistant auxiliary agent, the carbon fiber, the antioxidant and the rest raw materials into mixing equipment, mechanically mixing and stirring uniformly, pouring the obtained compound slurry into a mould, and heating and polymerizing by adopting an air bath;
and thirdly, after the polymerization is finished, sequentially cooling and demolding the obtained product, and finally obtaining the finished product of the scratch-resistant polymethyl methacrylate plate.
Example 2
The scratch-resistant polymethyl methacrylate plate is prepared from the following raw materials in parts by weight: 110 parts of methyl methacrylate, 0.6 part of dicumyl peroxide, 2.5 parts of erucamide, 2.3 parts of carbon fiber, 1.5 parts of antioxidant 1010, 3.2 parts of functional auxiliary agent, 0.8 part of stearic acid and 12 parts of flame retardant;
wherein, the flame retardant is prepared from antimony trioxide, zinc borate and MB-202 solid flame retardant lubricant according to the weight ratio of 0.25:0.4:1 by mass ratio.
The preparation method of the functional auxiliary agent comprises the following steps: uniformly dispersing the modified glass fiber in DMF (dimethyl formamide) according to the solid-to-liquid ratio of 0.04g/mL, sequentially adding phthalic anhydride with the mass 1.5 times that of the modified glass fiber and 2, 2-dihydroxymethyl-1, 3-propanediol with the mass 1.4 times that of the modified glass fiber, mixing and uniformly stirring, heating the obtained mixed phase to 120 ℃, and carrying out heat preservation reaction for 8 hours at the temperature; after the reaction is finished, triethylene tetramine with the mass being 2.0 times of that of phthalic anhydride is added into the mixed phase, and the mixture is subjected to heat preservation reaction for 6 hours at the temperature of 110 ℃; and after the reaction is finished, washing and drying the obtained product components in sequence, and finally obtaining the functional auxiliary agent finished product.
The preparation method of the modified glass fiber comprises the following steps: uniformly dispersing the pretreated glass fiber in acetone according to the solid-liquid ratio of 0.05g/mL, then adding the aminoethylaminopropyl diethoxymethyl silane with the mass 4 times that of the pretreated glass fiber into the acetone, uniformly mixing and stirring the mixture, then heating the obtained mixture to 80 ℃, and carrying out heat preservation reaction for 6 hours at the temperature; and after the reaction is finished, sequentially filtering and drying the obtained product components, and finally marking the obtained product as a modified glass fiber finished product.
The preparation method of the pretreated glass fiber comprises the following steps: slowly dripping 30 times of 30% hydrogen peroxide aqueous solution into glass fiber, uniformly mixing and stirring, heating the obtained mixed components to 105 ℃, and carrying out reflux reaction for 5h at the temperature; after the reaction is finished, sequentially filtering and drying the obtained product components to obtain the pretreated glass fiber; wherein the length of the glass fiber is 20 μm and the diameter is 12 μm.
A production process of a scratch-resistant polymethyl methacrylate board comprises the following steps:
firstly, accurately weighing all raw materials used for producing scratch-resistant polymethyl methacrylate plates, then putting methyl methacrylate and dicumyl peroxide into mixing equipment, mechanically mixing and uniformly stirring, and then carrying out heat preservation reaction on the obtained mixture at 83 ℃ for 35min; after the reaction is finished, naturally cooling the obtained product components to room temperature, and preserving for later use;
step two, transferring the cooled product components, the scratch-resistant auxiliary agent, the carbon fiber, the antioxidant and the rest raw materials into mixing equipment, mechanically mixing and stirring uniformly, pouring the obtained compound slurry into a mould, and heating and polymerizing by adopting an air bath;
and thirdly, after the polymerization is finished, sequentially cooling and demolding the obtained product, and finally obtaining the finished product of the scratch-resistant polymethyl methacrylate plate.
Example 3
The scratch-resistant polymethyl methacrylate plate is prepared from the following raw materials in parts by weight: 120 parts of methyl methacrylate, 0.8 part of dicumyl peroxide, 3.2 parts of oleamide, 2.8 parts of carbon fiber, 1.8 parts of antioxidant 3114, 3.6 parts of functional auxiliary agent, 1.0 part of zinc stearate and 15 parts of flame retardant;
wherein, the flame retardant is prepared from antimony trioxide, zinc borate and MB-202 solid flame retardant lubricant according to the weight ratio of 0.3:0.5:1 by mass ratio.
The preparation method of the functional auxiliary agent comprises the following steps: uniformly dispersing the modified glass fiber in DMF (dimethyl formamide) according to the solid-to-liquid ratio of 0.06g/mL, sequentially adding phthalic anhydride with the mass 1.8 times that of the modified glass fiber and 2, 2-dihydroxymethyl-1, 3-propanediol with the mass 1.6 times that of the modified glass fiber, mixing and uniformly stirring, heating the obtained mixed phase to 125 ℃, and carrying out heat preservation reaction for 10 hours at the temperature; after the reaction is finished, triethylene tetramine with the mass being 2.5 times of that of phthalic anhydride is added into the mixed phase, and the mixture is subjected to heat preservation reaction for 8 hours at the temperature of 113 ℃; and after the reaction is finished, washing and drying the obtained product components in sequence, and finally obtaining the functional auxiliary agent finished product.
The preparation method of the modified glass fiber comprises the following steps: uniformly dispersing the pretreated glass fiber in acetone according to the solid-liquid ratio of 0.08g/mL, then adding the aminoethylaminopropyl diethoxymethyl silane with the mass 5 times that of the pretreated glass fiber into the acetone, uniformly mixing and stirring the mixture, heating the obtained mixture to 85 ℃, and carrying out heat preservation reaction for 8 hours at the temperature; and after the reaction is finished, sequentially filtering and drying the obtained product components, and finally marking the obtained product as a modified glass fiber finished product.
The preparation method of the pretreated glass fiber comprises the following steps: slowly dripping hydrogen peroxide water solution with the mass of 35 times and the mass concentration of 30% into the glass fiber, uniformly mixing and stirring, heating the obtained mixed components to 108 ℃, and carrying out reflux reaction for 6h at the temperature; after the reaction is finished, sequentially filtering and drying the obtained product components to obtain the pretreated glass fiber; wherein the length of the glass fiber is 25 μm and the diameter is 13 μm.
A production process of a scratch-resistant polymethyl methacrylate board comprises the following steps:
firstly, accurately weighing all raw materials used for producing scratch-resistant polymethyl methacrylate plates, then putting methyl methacrylate and dicumyl peroxide into mixing equipment, mechanically mixing and uniformly stirring, and then carrying out heat preservation reaction on the obtained mixture at the temperature of 85 ℃ for 40min; after the reaction is finished, naturally cooling the obtained product components to room temperature, and preserving for later use;
step two, transferring the cooled product components, the scratch-resistant auxiliary agent, the carbon fiber, the antioxidant and the rest raw materials into mixing equipment, mechanically mixing and stirring uniformly, pouring the obtained compound slurry into a mould, and heating and polymerizing by adopting an air bath;
and thirdly, after the polymerization is finished, sequentially cooling and demolding the obtained product, and finally obtaining the finished product of the scratch-resistant polymethyl methacrylate plate.
Comparative example 1 differs from example 1 in that: no functional aid is used in this example;
comparative example 2 differs from example 1 in that: tego-410 scratch resistant aid was not used in this example;
comparative example 3 differs from example 1 in that: in the embodiment, the glass fiber is not pretreated;
performance test: the properties of the scratch-resistant polymethyl methacrylate sheets prepared in examples 1 to 3 and comparative examples 1 to 3, which were equal in amount, were examined, respectively, and the obtained experimental data were recorded in the following table:
as can be seen from comparison and analysis of the related data in the table, the polymethyl methacrylate plate prepared by the invention has good scratch resistance and good flame retardance, effectively ensures the quality or the quality of the prepared polymethyl methacrylate plate, and prolongs the service life of the polymethyl methacrylate plate to a certain extent. Therefore, the scratch-resistant polymethyl methacrylate board prepared by the invention has wider market prospect and is more suitable for popularization.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. The scratch-resistant polymethyl methacrylate plate is characterized by being prepared from the following raw materials in parts by weight: 100 to 120 parts of methyl methacrylate, 0.5 to 0.8 part of dicumyl peroxide, 1.2 to 3.2 parts of scratch-resistant auxiliary agent, 1.5 to 2.8 parts of carbon fiber, 1.2 to 1.8 parts of antioxidant, 2.5 to 3.6 parts of functional auxiliary agent, 0.5 to 1.0 part of lubricant and 8 to 15 parts of flame retardant.
2. The scratch resistant polymethyl methacrylate sheet material of claim 1 wherein: the scratch-resistant auxiliary agent is any one of Tego-410 scratch-resistant auxiliary agent, erucamide and oleamide.
3. The scratch resistant polymethyl methacrylate sheet material of claim 1 wherein: the antioxidant is selected from any one of antioxidant 3114 and antioxidant 1010.
4. The scratch resistant polymethyl methacrylate sheet material of claim 1 wherein: the lubricant is selected from any one of ethylene stearamide, stearic acid, zinc stearate and calcium stearate.
5. The scratch resistant polymethyl methacrylate sheet material of claim 1 wherein: the flame retardant is prepared from 0.2 to 0.3 percent of antimony trioxide, zinc borate and MB-202 solid flame retardant lubricant: 0.3 to 0.5:1 by mass ratio.
6. The scratch-resistant polymethyl methacrylate board as claimed in claim 1, wherein the functional auxiliary agent is prepared by the following steps: uniformly dispersing the modified glass fiber in DMF (dimethyl formamide) according to the solid-to-liquid ratio of 0.02-0.06 g/mL, sequentially adding phthalic anhydride with the mass of 1.3-1.8 times and 2, 2-bis (hydroxymethyl) -1, 3-propanediol with the mass of 1.2-1.6 times that of the modified glass fiber, uniformly mixing and stirring, then heating the obtained mixed phase to 115-125 ℃, and carrying out heat preservation reaction for 6-10 h at the temperature; after the reaction is finished, triethylene tetramine with the mass of 1.5 to 2.5 times of that of phthalic anhydride is added into the mixed phase, and the mixture is subjected to heat preservation reaction for 5 to 8 hours at the temperature of 108 to 113 ℃; and after the reaction is finished, washing and drying the obtained product components in sequence, and finally obtaining the functional auxiliary agent finished product.
7. The scratch-resistant polymethyl methacrylate sheet material of claim 6, wherein the preparation method of the modified glass fiber comprises the following steps: uniformly dispersing the pretreated glass fiber in acetone according to the solid-liquid ratio of 0.03-0.08 g/mL, then adding the aminoethylaminopropyl diethoxymethyl silane with the mass 3-5 times of that of the pretreated glass fiber into the acetone, uniformly mixing and stirring the mixture, then heating the obtained mixture to 75-85 ℃, and carrying out heat preservation reaction for 5-8 h at the temperature; and after the reaction is finished, sequentially filtering and drying the obtained product components, and finally marking the obtained product as a modified glass fiber finished product.
8. The scratch-resistant polymethyl methacrylate sheet material of claim 7, wherein the preparation method of the pretreated glass fiber comprises the following steps: slowly dripping hydrogen peroxide water solution with the mass of 20-35 times and the mass concentration of 30% into glass fiber, uniformly mixing and stirring, raising the temperature of the obtained mixed components to 103-108 ℃, and carrying out reflux reaction for 4-6 h at the temperature; and after the reaction is finished, sequentially filtering and drying the obtained product components to obtain the pretreated glass fiber.
9. The scratch resistant polymethyl methacrylate sheet material of claim 8 wherein: the length of the glass fiber is 15-25 mu m, and the diameter is 10-13 mu m.
10. The process for producing a scratch-resistant polymethyl methacrylate sheet material according to any one of claims 1 to 9, comprising the steps of:
firstly, accurately weighing all raw materials used for producing scratch-resistant polymethyl methacrylate plates, then putting methyl methacrylate and dicumyl peroxide into mixing equipment, mechanically mixing and stirring uniformly, and then carrying out heat preservation reaction on the obtained mixture at 80-85 ℃ for 30-40 min; after the reaction is finished, naturally cooling the obtained product components to room temperature, and preserving for later use;
step two, transferring the cooled product components, the scratch-resistant auxiliary agent, the carbon fiber, the antioxidant and the rest raw materials into mixing equipment, mechanically mixing and stirring uniformly, pouring the obtained compound slurry into a mould, and heating and polymerizing by adopting an air bath;
and thirdly, after the polymerization is finished, sequentially cooling and demolding the obtained product, and finally obtaining the finished product of the scratch-resistant polymethyl methacrylate plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310356728.7A CN116178871A (en) | 2023-04-06 | 2023-04-06 | Scratch-resistant polymethyl methacrylate plate and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310356728.7A CN116178871A (en) | 2023-04-06 | 2023-04-06 | Scratch-resistant polymethyl methacrylate plate and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116178871A true CN116178871A (en) | 2023-05-30 |
Family
ID=86446483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310356728.7A Pending CN116178871A (en) | 2023-04-06 | 2023-04-06 | Scratch-resistant polymethyl methacrylate plate and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116178871A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153103A (en) * | 2006-09-27 | 2008-04-02 | 上海杰事杰新材料股份有限公司 | High-performance polymethyl methacrylate composite material and method of producing the same |
| CN102248875A (en) * | 2010-05-18 | 2011-11-23 | 沈阳理工大学 | Composite structure for front windshield of automobile |
| CN111875911A (en) * | 2020-08-12 | 2020-11-03 | 惠民县靖琪装饰材料有限公司 | Multifunctional heat-insulating acrylic plate and preparation method thereof |
| CN112223794A (en) * | 2020-09-10 | 2021-01-15 | 苏州西雅克水族科技有限公司 | Bending and shaping method for acrylic thick plate |
| CN112724568A (en) * | 2020-12-28 | 2021-04-30 | 安徽金亮新型材料有限公司 | Acrylic plate with excellent bending performance and preparation method thereof |
| CN115806703A (en) * | 2022-12-09 | 2023-03-17 | 江苏虹宇电子科技发展有限公司 | Impact-resistant PE double-wall corrugated pipe and preparation method thereof |
-
2023
- 2023-04-06 CN CN202310356728.7A patent/CN116178871A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153103A (en) * | 2006-09-27 | 2008-04-02 | 上海杰事杰新材料股份有限公司 | High-performance polymethyl methacrylate composite material and method of producing the same |
| CN102248875A (en) * | 2010-05-18 | 2011-11-23 | 沈阳理工大学 | Composite structure for front windshield of automobile |
| CN111875911A (en) * | 2020-08-12 | 2020-11-03 | 惠民县靖琪装饰材料有限公司 | Multifunctional heat-insulating acrylic plate and preparation method thereof |
| CN112223794A (en) * | 2020-09-10 | 2021-01-15 | 苏州西雅克水族科技有限公司 | Bending and shaping method for acrylic thick plate |
| CN112724568A (en) * | 2020-12-28 | 2021-04-30 | 安徽金亮新型材料有限公司 | Acrylic plate with excellent bending performance and preparation method thereof |
| CN115806703A (en) * | 2022-12-09 | 2023-03-17 | 江苏虹宇电子科技发展有限公司 | Impact-resistant PE double-wall corrugated pipe and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109575285B (en) | Method for preparing polyimide film by using PI matrix resin | |
| CN107556679B (en) | Environment-friendly acrylic sheet and production process thereof | |
| CN110885566A (en) | Anti-corrosion wear-resistant bamboo-plastic composite material and preparation method thereof | |
| CN112694715B (en) | Glass fiber composite material and preparation method thereof | |
| CN114989560B (en) | High-performance composite material based on modified phenolic resin and preparation method thereof | |
| CN111534013A (en) | High-hydrophobicity antibacterial polypropylene material and preparation method thereof | |
| CN112538263A (en) | High-weather-resistance environment-friendly high polymer material and preparation method thereof | |
| CN111849105A (en) | Polyphosphazene-boron nitride modified acrylic resin flame retardant material and preparation method thereof | |
| CN116178871A (en) | Scratch-resistant polymethyl methacrylate plate and production process thereof | |
| CN111825790A (en) | Non-transparent high-heat-resistant flame-retardant acrylic plate and preparation method thereof | |
| CN113773580A (en) | High-toughness PP composite material and preparation method thereof | |
| CN109749389A (en) | A kind of isobide type polycarbonate of weatherability and ABS resin alloy material and preparation method thereof | |
| CN116515190B (en) | Ageing-resistant low-migration polyethylene pipe and preparation method thereof | |
| CN114605575B (en) | Antibacterial acrylic plate and preparation method thereof and bathtub | |
| CN111087697A (en) | Long glass fiber reinforced polypropylene composite material with good adhesive property and preparation method thereof | |
| CN112063088A (en) | PMMA/glass fiber composite material and preparation method and application thereof | |
| CN111978459A (en) | PMMA/glass fiber composite material and preparation method and application thereof | |
| CN114395202A (en) | Antibacterial high-strength acrylic plate and preparation method thereof | |
| CN114806098A (en) | Low-warpage reinforced PBT (polybutylene terephthalate) material and preparation method thereof | |
| CN109796560B (en) | Lampshade material of energy-saving LED lamp and preparation method thereof | |
| CN112661970A (en) | Graphene crosslinked polystyrene material with high thermal stability and preparation method thereof | |
| CN114350093B (en) | Acrylic plate and preparation method thereof | |
| CN114539754B (en) | Weather-resistant halogen-free flame-retardant bio-based polycarbonate material and preparation method thereof | |
| CN114891270B (en) | Modified basalt fiber polysulfone composite material with good weather resistance and preparation method thereof | |
| CN115433457B (en) | Nylon composite material with stable and compatible glass fibers and preparation method thereof |
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 |