CN116120854B - Fireproof ceramic silica gel adhesive tape and preparation method thereof - Google Patents
Fireproof ceramic silica gel adhesive tape and preparation method thereof Download PDFInfo
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- CN116120854B CN116120854B CN202211131556.5A CN202211131556A CN116120854B CN 116120854 B CN116120854 B CN 116120854B CN 202211131556 A CN202211131556 A CN 202211131556A CN 116120854 B CN116120854 B CN 116120854B
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- 239000000919 ceramic Substances 0.000 title claims abstract description 110
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 38
- 239000000741 silica gel Substances 0.000 title claims abstract description 38
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 87
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 46
- 239000011214 refractory ceramic Substances 0.000 claims abstract description 31
- 229920002545 silicone oil Polymers 0.000 claims abstract description 29
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 21
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 20
- 239000004945 silicone rubber Substances 0.000 claims abstract description 18
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 claims abstract description 17
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 16
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 14
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 14
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 13
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000006229 carbon black Substances 0.000 claims abstract description 12
- 238000010257 thawing Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 40
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 30
- 238000001035 drying Methods 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 27
- VFUYUMOOAYKNNO-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;3-(2-methylaziridin-1-yl)propanoic acid Chemical compound CCC(CO)(CO)CO.CC1CN1CCC(O)=O.CC1CN1CCC(O)=O.CC1CN1CCC(O)=O VFUYUMOOAYKNNO-UHFFFAOYSA-N 0.000 claims description 26
- 229920001971 elastomer Polymers 0.000 claims description 22
- 238000000227 grinding Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 15
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims description 9
- 239000004115 Sodium Silicate Substances 0.000 claims description 8
- 238000003490 calendering Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 8
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical group [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 8
- 229910052810 boron oxide Inorganic materials 0.000 claims description 7
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 7
- 239000000395 magnesium oxide Substances 0.000 claims description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 7
- 238000001238 wet grinding Methods 0.000 claims description 7
- 239000011787 zinc oxide Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 229910001868 water Inorganic materials 0.000 claims description 4
- 230000009970 fire resistant effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 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 abstract 1
- 239000003063 flame retardant Substances 0.000 abstract 1
- 229910021485 fumed silica Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000011256 inorganic filler Substances 0.000 description 3
- 229910003475 inorganic filler Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 101710072850 Poxin Proteins 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- XOSXWYQMOYSSKB-UHFFFAOYSA-M disodium;4-[4-[(4-amino-3-methyl-5-sulfophenyl)-[4-(4-sulfonatophenyl)azaniumylidenecyclohexa-2,5-dien-1-ylidene]methyl]anilino]benzenesulfonate Chemical compound [Na+].[Na+].OS(=O)(=O)C1=C(N)C(C)=CC(C(=C2C=CC(C=C2)=[NH+]C=2C=CC(=CC=2)S([O-])(=O)=O)C=2C=CC(NC=3C=CC(=CC=3)S([O-])(=O)=O)=CC=2)=C1 XOSXWYQMOYSSKB-UHFFFAOYSA-M 0.000 description 1
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2483/00—Presence of polysiloxane
Abstract
The invention relates to the technical field of refractory ceramic silica gel adhesive tapes, in particular to a refractory ceramic silica gel adhesive tape and a preparation method thereof. The invention provides a refractory ceramic silica gel adhesive tape, which comprises the following raw materials in parts by weight: 40-50 parts of methyl vinyl silicone rubber, 20-30 parts of gas phase white carbon black, 20-30 parts of modified ceramic powder, 3-5 parts of hydroxyl silicone oil, 1-5 parts of zinc stearate, 1-5 parts of defrosting agent, 5-10 parts of aluminum hydroxide, 1-5 parts of leveling agent, 1-5 parts of platinum vulcanizing agent, 1-5 parts of crusting agent and 1-5 parts of high vinyl silicone oil. According to the refractory ceramic silica gel adhesive tape provided by the invention, the modified ceramic powder is added into the methyl vinyl silicone rubber, the fumed silica, the hydroxyl silicone oil, the zinc stearate, the defrosting agent, the aluminum hydroxide, the leveling agent, the platinum vulcanizing agent, the crust forming agent and the high-vinyl silicone oil, so that the strength and the insulating property of the refractory ceramic silica gel adhesive tape can be effectively improved, and meanwhile, the refractory ceramic silica gel adhesive tape also has excellent flame retardant property.
Description
Technical Field
The invention relates to the technical field of refractory ceramic silica gel adhesive tapes, in particular to a refractory ceramic silica gel adhesive tape and a preparation method thereof.
Background
Ceramic materials are a variety of inorganic nonmetallic materials, including mechanical ceramics, thermal engine ceramics, biochemical ceramics, sensor material ceramics and the like. The ceramic silicon rubber material is used as a novel material, has the characteristic of common silicon rubber at normal temperature, forms a ceramic protective layer at high temperature, and protects the inside of the ceramic material from being damaged by high temperature, wherein one important application of the ceramic silicon rubber material is as a fireproof ceramic silica gel adhesive tape.
The existing refractory ceramic silica gel adhesive tape generally adopts methyl vinyl silicone rubber as a matrix material, but the strength of the silicone rubber material as the matrix material is limited, and in order to improve the strength of the material, inorganic fillers such as glass powder and the like are generally required to be added, but the insulating property of the material can be reduced due to the existence of the inorganic fillers, so that the existing refractory ceramic silica gel adhesive tape cannot effectively consider both the strength and the insulating property.
Disclosure of Invention
In order to overcome the defect that the existing refractory ceramic silica gel adhesive tape cannot effectively consider the strength and the insulating property, the refractory ceramic silica gel adhesive tape and the preparation method thereof are provided.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the fireproof ceramic silica gel adhesive tape comprises the following raw materials in parts by weight:
40-50 parts of methyl vinyl silicone rubber, 20-30 parts of gas phase white carbon black, 20-30 parts of modified ceramic powder, 3-5 parts of hydroxyl silicone oil, 1-5 parts of zinc stearate, 1-5 parts of defrosting agent, 5-10 parts of aluminum hydroxide, 1-5 parts of leveling agent, 1-5 parts of platinum vulcanizing agent, 1-5 parts of crusting agent and 1-5 parts of high vinyl silicone oil.
Preferably, the preparation method of the modified ceramic powder comprises the following steps:
1) Mixing silicon dioxide, boron oxide, zinc oxide, magnesium oxide and water, performing wet grinding, drying and roasting after grinding, and grinding after roasting to obtain ceramic powder;
2) Placing the ceramic powder prepared in the step 1) into an ethanol solution of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] (CAS number 64265-57-2), stirring, taking out the ceramic powder, drying, heating the ceramic powder at 900-1000 ℃ for 1-10min after the drying is finished, cooling to 280-350 ℃, heating the ceramic powder to 450-550 ℃ in a microwave heating mode, maintaining at 450-550 ℃ for 1-5min, cooling to room temperature, and grinding to obtain the modified ceramic powder.
Preferably, in the step 1), the mass ratio of the silicon dioxide to the boron oxide to the zinc oxide to the magnesium oxide is (1-1.04): 2.1-2.4): 1.1-1.2): (1.0-1.1);
the mass ratio of the silicon dioxide to the water is 1 (8-12).
Preferably, the wet grinding time in the step 1) is 15-24 hours, the drying temperature is 100-110 ℃, the drying time is 2-6 hours, the roasting temperature is 950-1100 ℃, and the roasting time is 1-4 hours.
Preferably, the mass ratio of the ceramic powder to the ethanol solution of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] in the step 2) is 1 (4-6), and the mass concentration of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] is 3-8%.
Preferably, in the step 2), the stirring temperature is 35-45 ℃, the stirring time is 3-8h, the drying temperature is 80-90 ℃, the drying time is 0.2-1h, and the microwave heating power is 900-1000W.
Preferably, the defrosting agent is sodium silicate; the crust agent is zinc borate; the mass fraction of vinyl in the high vinyl silicone oil is 2-3%.
The invention also provides a preparation method of the refractory ceramic silica gel adhesive tape, which comprises the following steps:
1) Firstly mixing methyl vinyl silicone rubber and gas-phase white carbon black, then adding modified ceramic powder, hydroxyl silicone oil, zinc stearate, defrosting agent, aluminum hydroxide, leveling agent, crusting agent and high vinyl silicone oil for second mixing, and finally adding platinum vulcanizing agent for third mixing to obtain a rubber matrix;
2) Tabletting the rubber matrix to obtain a formed rubber sheet;
3) And calendaring the formed rubber sheet on the upper surface of the glass fiber cloth, cutting and packaging to obtain the fireproof ceramic silica gel adhesive tape.
Preferably, the first mixing temperature is 125-135 ℃, the mixing time is 0.5-3h, the second mixing temperature is 130-140 ℃, the mixing time is 0.5-3h, the third mixing temperature is 30-45 ℃, and the mixing time is 15-30min;
the pressing temperature in the tabletting treatment is 150-170 ℃, the pressing pressure is 8-12MPa, and the pressing time is 1-5h.
Preferably, step 3) further comprises a step of adhering double faced adhesive tape to the rubber sheet before slitting.
The invention has the beneficial effects that:
the invention provides a refractory ceramic silica gel adhesive tape, which comprises the following raw materials in parts by weight: 40-50 parts of methyl vinyl silicone rubber, 20-30 parts of gas phase white carbon black, 20-30 parts of modified ceramic powder, 3-5 parts of hydroxyl silicone oil, 1-5 parts of zinc stearate, 1-5 parts of defrosting agent, 5-10 parts of aluminum hydroxide, 1-5 parts of leveling agent, 1-5 parts of platinum vulcanizing agent, 1-5 parts of crusting agent and 1-5 parts of high vinyl silicone oil. According to the invention, modified ceramic powder is added into a raw material of a refractory ceramic silica gel adhesive tape, the modified ceramic powder is placed into an ethanol solution of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] in a preparation process, the surface of the ceramic powder is covered with the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ], then the ceramic powder is heated for 1-10min at 900-1000 ℃, at this time, the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] is partially cracked, residues after cracking can be adsorbed on the surfaces of ceramic particles, alkali metal migration in the ceramic particles is inhibited, the insulativity of the material is improved, and at the same time, uncleaved trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] can be crosslinked with methyl vinyl silicone rubber and partial inorganic filler in the later stage of mixing and tabletting, so that the compactness and strength of the material are improved; and in the preparation process of the modified ceramic powder, the ceramic powder is heated for 1-10min at 900-1000 ℃ and then cooled to 280-350 ℃, at this time, adhesion is easy to occur among ceramic particles, and surface substances of the ceramic particles are easy to damage in the later grinding process.
Through tests, the insulation resistance (800 ℃) of the fire-resistant ceramic silica gel adhesive tape provided by the invention is more than or equal to 155MΩ at high temperature.
Detailed Description
The following examples are provided for a better understanding of the present invention and are not limited to the preferred embodiments described herein, but are not intended to limit the scope of the invention, any product which is the same or similar to the present invention, whether in light of the present teachings or in combination with other prior art features, falls within the scope of the present invention.
The specific experimental procedures or conditions are not noted in the examples and may be followed by the operations or conditions of conventional experimental procedures described in the literature in this field. The reagents or apparatus used were conventional reagent products commercially available without the manufacturer's knowledge.
The methyl vinyl silicone rubber used in the following examples of the present invention was methyl vinyl silicone rubber 110-2 available from China blue Star (group) Co., ltd; the hydroxyl silicone oil manufacturer is Hubei Xinhaina with the model number of 300; the leveling agent is leveling thickener RM2020 purchased from Romen Hasi; platinum vulcanizing agent is BPX-800 of Xiamen Bai Poxin trade company.
Example 1
The embodiment provides a refractory ceramic silica gel adhesive tape, which comprises the following raw materials:
45kg of methyl vinyl silicone rubber, 23kg of gas phase white carbon black, 23kg of modified ceramic powder, 4kg of hydroxyl silicone oil, 3kg of zinc stearate, 3kg of sodium silicate and 8kg of aluminum hydroxide; leveling agent RM2020 3kg, platinum vulcanizing agent 2kg, zinc borate 2kg, high vinyl silicone oil (vinyl mass fraction 3%) 4kg.
The preparation method of the modified ceramic powder comprises the following steps:
1) Silica, boron oxide, zinc oxide and magnesium oxide are mixed according to the mass ratio of 1.02:2.34:1.12: adding the mixture into deionized water (the mass ratio of silicon dioxide to deionized water is 1:10) according to the proportion of 1.08, carrying out wet grinding for 20 hours, drying at 110 ℃ for 4 hours after grinding, then placing the mixture into a muffle furnace, roasting at 1000 ℃ for 2.5 hours, and carrying out grinding after roasting to obtain ceramic powder;
2) Placing the ceramic powder prepared in the step 1) into an ethanol solution of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ], wherein the mass concentration of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] is 5%, stirring, wherein the mass ratio of the ceramic powder to the ethanol solution of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] is 1:5, the stirring temperature is 40 ℃, the stirring time is 5h, taking out the ceramic powder after stirring, drying at 80 ℃ for 0.5h, heating the ceramic powder in a heating furnace at 950 ℃ for 5min after drying, taking out the ceramic powder from the heating furnace, cooling to 300 ℃, heating the ceramic powder to 500 ℃ by adopting a microwave heating mode (the microwave heating power is 1000W), cooling to room temperature after maintaining for 1min at 500 ℃, and grinding to obtain the modified ceramic powder.
The preparation method of the refractory ceramic silica gel adhesive tape comprises the following steps:
1) Mixing methyl vinyl silicone rubber and gas-phase white carbon black in an internal mixer at the mixing temperature of 130 ℃ for 1h, then adding modified ceramic powder, hydroxyl silicone oil, zinc stearate, sodium silicate, aluminum hydroxide, a leveling agent RM2020, zinc borate and high-vinyl silicone oil for continuous mixing, wherein the mixing temperature is 140 ℃, the mixing time is 1h, and finally adding a platinum vulcanizing agent for third mixing, wherein the mixing temperature is 40 ℃ and the mixing time is 20min, so as to obtain a rubber matrix;
2) Tabletting the rubber matrix by a tabletting machine at a compression temperature of 160 ℃ and a compression pressure of 10MPa for 4 hours to obtain a formed rubber sheet;
3) And calendaring the formed rubber sheet onto the glass fiber cloth on the upper surface of the glass fiber cloth through a calendaring machine, and cutting and packaging to obtain the fireproof ceramic silica gel adhesive tape.
Example 2
The embodiment provides a refractory ceramic silica gel adhesive tape, which comprises the following raw materials:
45kg of methyl vinyl silicone rubber, 23kg of gas phase white carbon black, 24kg of modified ceramic powder, 4kg of hydroxyl silicone oil, 3kg of zinc stearate, 3kg of sodium silicate and 8kg of aluminum hydroxide; leveling agent RM2020 3kg, platinum vulcanizing agent 2kg, zinc borate 2kg, high vinyl silicone oil (vinyl mass fraction 3%) 4kg.
The preparation method of the modified ceramic powder comprises the following steps:
1) Silica, boron oxide, zinc oxide and magnesium oxide are mixed according to the mass ratio of 1.02:2.34:1.12: adding the mixture into deionized water (the mass ratio of silicon dioxide to deionized water is 1:9) according to the proportion of 1.08, carrying out wet grinding for 20 hours, drying at 110 ℃ for 4 hours after grinding, then placing the mixture into a muffle furnace, roasting at 1100 ℃ for 3 hours, and carrying out grinding after roasting to obtain ceramic powder;
2) Placing the ceramic powder prepared in the step 1) into an ethanol solution of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ], wherein the mass concentration of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] is 6%, stirring, wherein the mass ratio of the ceramic powder to the ethanol solution of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] is 1:5, the stirring temperature is 40 ℃, the stirring time is 5 hours, taking out the ceramic powder after stirring, drying at 80 ℃ for 0.5 hours, heating the ceramic powder in a heating furnace at 950 ℃ for 5 minutes after drying, taking out the ceramic powder from the heating furnace, cooling to 300 ℃, heating the ceramic powder to 500 ℃ by adopting a microwave heating mode (the microwave heating power is 1000W), cooling to room temperature after maintaining for 1 minute at 500 ℃, and grinding to obtain the modified ceramic powder.
The preparation method of the refractory ceramic silica gel adhesive tape comprises the following steps:
1) Mixing methyl vinyl silicone rubber and gas-phase white carbon black in an internal mixer at the mixing temperature of 130 ℃ for 1h, then adding modified ceramic powder, hydroxyl silicone oil, zinc stearate, sodium silicate, aluminum hydroxide, a leveling agent RM2020, zinc borate and high-vinyl silicone oil for continuous mixing, wherein the mixing temperature is 145 ℃, the mixing time is 1h, and finally adding a platinum vulcanizing agent for third mixing, wherein the mixing temperature is 40 ℃ and the mixing time is 20min, so as to obtain a rubber matrix;
2) Tabletting the rubber matrix by a tabletting machine at a compression temperature of 160 ℃ and a compression pressure of 10MPa for 4 hours to obtain a formed rubber sheet;
3) And calendaring the formed rubber sheet onto the glass fiber cloth on the upper surface of the glass fiber cloth through a calendaring machine, and cutting and packaging to obtain the fireproof ceramic silica gel adhesive tape.
Example 3
The embodiment provides a refractory ceramic silica gel adhesive tape, which comprises the following raw materials:
45kg of methyl vinyl silicone rubber, 23kg of gas phase white carbon black, 25kg of modified ceramic powder, 4kg of hydroxyl silicone oil, 3kg of zinc stearate, 3kg of sodium silicate and 8kg of aluminum hydroxide; leveling agent RM2020 3kg, platinum vulcanizing agent 2kg, zinc borate 2kg, high vinyl silicone oil (vinyl mass fraction 3%) 4kg.
The preparation method of the modified ceramic powder comprises the following steps:
1) Silica, boron oxide, zinc oxide and magnesium oxide are mixed according to the mass ratio of 1.02:2.34:1.12: adding the mixture into deionized water (the mass ratio of silicon dioxide to deionized water is 1:8) according to the proportion of 1.08, carrying out wet grinding for 20 hours, drying at 110 ℃ for 4 hours after grinding, then placing the mixture into a muffle furnace, roasting at 1000 ℃ for 3 hours, and carrying out grinding after roasting to obtain ceramic powder;
2) Placing the ceramic powder prepared in the step 1) into an ethanol solution of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ], wherein the mass concentration of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] is 8%, stirring, wherein the mass ratio of the ceramic powder to the ethanol solution of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] is 1:5, the stirring temperature is 40 ℃, the stirring time is 6 hours, taking out the ceramic powder after stirring, drying at 80 ℃ for 0.5 hours, heating the ceramic powder in a heating furnace at 950 ℃ for 5 minutes after drying, taking out the ceramic powder from the heating furnace, cooling to 300 ℃, heating the ceramic powder to 500 ℃ by adopting a microwave heating mode (the microwave heating power is 1000W), cooling to room temperature after maintaining for 1 minute at 500 ℃, and grinding to obtain the modified ceramic powder.
The preparation method of the refractory ceramic silica gel adhesive tape comprises the following steps:
1) Mixing methyl vinyl silicone rubber and gas-phase white carbon black in an internal mixer at the mixing temperature of 130 ℃ for 1h, then adding modified ceramic powder, hydroxyl silicone oil, zinc stearate, sodium silicate, aluminum hydroxide, a leveling agent RM2020, zinc borate and high-vinyl silicone oil for continuous mixing, wherein the mixing temperature is 140 ℃, the mixing time is 1h, and finally adding a platinum vulcanizing agent for third mixing, wherein the mixing temperature is 40 ℃ and the mixing time is 20min, so as to obtain a rubber matrix;
2) Tabletting the rubber matrix by a tabletting machine at a compression temperature of 160 ℃ and a compression pressure of 10MPa for 4 hours to obtain a formed rubber sheet;
3) And calendaring the formed rubber sheet onto the glass fiber cloth on the upper surface of the glass fiber cloth through a calendaring machine, and cutting and packaging to obtain the fireproof ceramic silica gel adhesive tape.
Comparative example 1
This comparative example provides a refractory ceramic silicone tape which differs from example 1 in that step 2) in the preparation method of the modified ceramic powder replaces trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] with vinyltriethoxysilane.
Comparative example 2
This comparative example provides a refractory ceramic silicone tape which differs from example 1 in that in step 2) of the preparation method of the modified ceramic powder: heating the ceramic powder prepared in the step 1) in a heating furnace at 950 ℃ for 5min, taking out the ceramic powder from the heating furnace, cooling to 300 ℃, heating the ceramic powder to 500 ℃ by adopting a microwave heating mode (the microwave heating power is 1000W), maintaining at 500 ℃ for 1min, cooling to room temperature, and grinding to obtain the modified ceramic powder.
Comparative example 3
This comparative example provides a refractory ceramic silicone tape which differs from example 1 in that in step 2) of the preparation method of the modified ceramic powder: and (3) placing the ceramic powder prepared in the step (1) into an ethanol solution of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ], wherein the mass concentration of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] is 5%, stirring the ceramic powder and the ethanol solution of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] at a mass ratio of 1:5, wherein the stirring temperature is 40 ℃, the stirring time is 5 hours, taking out the ceramic powder after stirring, drying the ceramic powder at 80 ℃ for 0.5 hour, placing the ceramic powder in a heating furnace for heating at 950 ℃ for 5 minutes after drying, taking out the ceramic powder from the heating furnace, directly cooling the ceramic powder to room temperature, and grinding the ceramic powder to obtain the modified ceramic powder.
Comparative example 4
This comparative example provides a refractory ceramic silicone tape which differs from example 1 in that in step 2) of the preparation method of the modified ceramic powder: and (3) placing the ceramic powder prepared in the step (1) into an ethanol solution of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ], wherein the mass concentration of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] is 5%, stirring the ceramic powder and the ethanol solution of the trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] at a mass ratio of 1:5, wherein the stirring temperature is 40 ℃, the stirring time is 5 hours, taking out the ceramic powder after stirring, drying at 80 ℃ for 0.5 hour, heating the ceramic powder in a heating furnace at 950 ℃ for 5 minutes after drying, taking out the ceramic powder from the heating furnace, cooling to 300 ℃, heating the ceramic powder in the heating furnace to 500 ℃, cooling to room temperature after maintaining for 1min at 500 ℃, and grinding to obtain the modified ceramic powder.
Test case
The ceramic silica gel adhesive tapes prepared in the above examples and comparative examples were tested, wherein the limiting oxygen index was tested according to GB/T2406.2-2009, the tensile strength was tested according to GB/T528-2009, the tear strength was tested according to GB/T529-2008, and the volume resistivity was tested according to GB/T1692-2008, and the test results are shown in Table 1.
TABLE 1
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (9)
1. The refractory ceramic silica gel adhesive tape is characterized by comprising the following raw materials in parts by weight:
40-50 parts of methyl vinyl silicone rubber, 20-30 parts of gas phase white carbon black, 20-30 parts of modified ceramic powder, 3-5 parts of hydroxyl silicone oil, 1-5 parts of zinc stearate, 1-5 parts of defrosting agent, 5-10 parts of aluminum hydroxide, 1-5 parts of leveling agent, 1-5 parts of platinum vulcanizing agent, 1-5 parts of crusting agent and 1-5 parts of high vinyl silicone oil;
the preparation method of the modified ceramic powder comprises the following steps:
1) Mixing silicon dioxide, boron oxide, zinc oxide, magnesium oxide and water, performing wet grinding, drying and roasting after grinding, and grinding after roasting to obtain ceramic powder;
2) Placing the ceramic powder prepared in the step 1) into an ethanol solution of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ], stirring, taking out the ceramic powder after stirring, drying, heating the ceramic powder at 900-1000 ℃ for 1-10min after drying, cooling to 280-350 ℃, heating the ceramic powder to 450-550 ℃ by adopting a microwave heating mode, maintaining the temperature at 450-550 ℃ for 1-5min, cooling to room temperature, and grinding to obtain the modified ceramic powder;
the microwave heating power is 900-1000W.
2. The refractory ceramic silica gel tape according to claim 1, wherein in the step 1), the mass ratio of silicon dioxide, boron oxide, zinc oxide and magnesium oxide is (1-1.04): 2.1-2.4): 1.1-1.2):
(1.0-1.1); the mass ratio of the silicon dioxide to the water is 1 (8-12).
3. The refractory ceramic silica gel tape according to claim 1 or 2, wherein the wet grinding time in step 1) is 15-24 hours, the drying temperature is 100-110 ℃, the drying time is 2-6 hours, the firing temperature is 950-1100 ℃ and the firing time is 1-4 hours.
4. The refractory ceramic silica gel tape according to claim 1, wherein the mass ratio of the ceramic powder to the ethanol solution of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] in step 2) is 1 (4-6), and the mass concentration of trimethylolpropane-tris [3- (2-methylaziridinyl) propionate ] is 3-8%.
5. The refractory ceramic silica gel tape according to claim 1, wherein in step 2), the stirring temperature is 35 to 45 ℃, the stirring time is 3 to 8 hours, the drying temperature is 80 to 90 ℃, and the drying time is 0.2 to 1 hour.
6. The fire resistant ceramic silicone tape of claim 1, wherein the defrosting agent is sodium silicate; the crust agent is zinc borate; the mass fraction of vinyl in the high vinyl silicone oil is 2-3%.
7. A method of making a fire resistant ceramic silicone tape according to any one of claims 1 to 6, comprising the steps of:
1) Firstly mixing methyl vinyl silicone rubber and gas-phase white carbon black, then adding modified ceramic powder, hydroxyl silicone oil, zinc stearate, defrosting agent, aluminum hydroxide, leveling agent, crusting agent and high vinyl silicone oil for second mixing, and finally adding platinum vulcanizing agent for third mixing to obtain a rubber matrix;
2) Tabletting the rubber matrix to obtain a formed rubber sheet;
3) And calendaring the formed rubber sheet on the upper surface of the glass fiber cloth, cutting and packaging to obtain the fireproof ceramic silica gel adhesive tape.
8. The method for preparing a refractory ceramic silica gel tape according to claim 7, wherein the first mixing temperature is 125-135 ℃, the mixing time is 0.5-3 hours, the second mixing temperature is 130-140 ℃, the mixing time is 0.5-3 hours,
the third mixing temperature is 30-45 ℃, and the mixing time is 15-30min;
the pressing temperature in the tabletting treatment is 150-170 ℃, the pressing pressure is 8-12MPa, and the pressing time is 1-5h.
9. The method of claim 7, wherein the step 3) further comprises a step of adhering double-sided tape to the rubber sheet before dicing.
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JP2005115028A (en) * | 2003-10-08 | 2005-04-28 | Saiden Chemical Industry Co Ltd | Layered body composed of adhesive layer and polarizing plate or retardation plate |
CN103342021A (en) * | 2013-06-28 | 2013-10-09 | 深圳市安品有机硅材料有限公司 | Preparation method of waterproof fireproof ceramic silicon rubber composite tape |
CN114032045A (en) * | 2021-11-18 | 2022-02-11 | 固德电材系统(苏州)股份有限公司 | Fireproof heat-insulating material and preparation method and application thereof |
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JP2005115028A (en) * | 2003-10-08 | 2005-04-28 | Saiden Chemical Industry Co Ltd | Layered body composed of adhesive layer and polarizing plate or retardation plate |
CN103342021A (en) * | 2013-06-28 | 2013-10-09 | 深圳市安品有机硅材料有限公司 | Preparation method of waterproof fireproof ceramic silicon rubber composite tape |
CN114032045A (en) * | 2021-11-18 | 2022-02-11 | 固德电材系统(苏州)股份有限公司 | Fireproof heat-insulating material and preparation method and application thereof |
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