CN116535152A - Inorganic microbead modified silicon-plastic heat-insulating material and preparation method thereof - Google Patents
Inorganic microbead modified silicon-plastic heat-insulating material and preparation method thereof Download PDFInfo
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- CN116535152A CN116535152A CN202210089276.6A CN202210089276A CN116535152A CN 116535152 A CN116535152 A CN 116535152A CN 202210089276 A CN202210089276 A CN 202210089276A CN 116535152 A CN116535152 A CN 116535152A
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- 239000011325 microbead Substances 0.000 title claims abstract description 59
- 229920003023 plastic Polymers 0.000 title claims abstract description 33
- 239000004033 plastic Substances 0.000 title claims abstract description 33
- 239000011810 insulating material Substances 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 31
- 239000012774 insulation material Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000011146 organic particle Substances 0.000 claims abstract description 22
- 239000004568 cement Substances 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 239000000839 emulsion Substances 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims abstract description 13
- 239000002105 nanoparticle Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920002689 polyvinyl acetate Polymers 0.000 claims abstract description 6
- 239000011118 polyvinyl acetate Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 3
- 239000000919 ceramic Substances 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 20
- 230000005415 magnetization Effects 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 238000001723 curing Methods 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000011268 mixed slurry Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical group [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 5
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical compound [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 claims description 4
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical group C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 claims description 4
- 229920001038 ethylene copolymer Polymers 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000005543 nano-size silicon particle Substances 0.000 claims description 4
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 239000012802 nanoclay Substances 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000003469 silicate cement Substances 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract description 7
- 229910010272 inorganic material Inorganic materials 0.000 abstract description 5
- 239000011147 inorganic material Substances 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 25
- 239000004005 microsphere Substances 0.000 description 7
- 239000011324 bead Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical group [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 235000014380 magnesium carbonate Nutrition 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- -1 vacuum plates Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/027—Lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0003—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability making use of electric or wave energy or particle radiation
- C04B40/0007—Electric, magnetic or electromagnetic fields
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of heat preservation materials, and in particular relates to an inorganic microbead modified silicon-plastic heat preservation material and a preparation method thereof, wherein the inorganic microbead modified silicon-plastic heat preservation material comprises the following components in percentage by weight: 5-10 wt% of magnetic inorganic microbeads; 1-3 wt% inorganic whiskers; 3-5 wt% of a heat-insulating composite fiber; 1-3 wt% of a nanoparticle filler; 10-20 wt% of organic particles; 10-15 wt% of a gelling material; 10-20% by weight of cement; and the balance water. The formula design of the heat-insulating material provided by the invention is scientific and reasonable, electromagnetic vortex is generated under the action of a coil in the process of distributing ingredients, the electromagnetic vortex has directivity, the magnetic inorganic microbeads can be orderly distributed under the action of a magnetic field, the dispersibility is improved, the organic particles are wrapped by the inorganic material and can be realized to the greatest extent, and the fireproof performance of the heat-insulating material is further ensured; and meanwhile, cementing materials such as polyvinyl acetate emulsion and the like are added, so that the heat insulation material has the advantages of flexibility, water resistance and aging resistance.
Description
Technical Field
The invention belongs to the technical field of heat preservation materials, and particularly relates to an inorganic microbead modified silicon-plastic heat preservation material and a preparation method thereof.
Background
The building energy conservation is an important job for relieving the contradiction of energy shortage in China, improving the living and working conditions of people, reducing environmental pollution and promoting economic sustainable development. The building energy conservation mainly comprises three parts of building roof heat preservation and heat insulation, building external maintenance wall body and external door and window heat preservation and heat insulation and energy conservation of building equipment. The heat-insulating material used for the outer wall at present is mainly an organic foam board, is easy to burn, has the combustion performance grade of B1 or B level, and is difficult to meet the requirement that the heat-insulating and energy-saving material of a building must meet the A-level fireproof standard. The A-class fireproof heat insulating materials in the building market comprise rock wool, vacuum plates, composite plates, permeable plates, homogenizing plates, true gold plates, polymeric polystyrene plates and the like. These class a insulation materials generally have some problems: such as high density, easy aging, high water absorption, high heat conductivity, easy falling off, cracking, etc.
For this reason, in the patent specification with publication number CN110204282a, an inorganic microbead modified silicon-plastic thermal insulation material is disclosed, which is made of various raw materials, and the raw materials include: 5-15 parts by weight of inorganic microbeads, 30-60 parts by weight of organic particles, 15-35 parts by weight of cementing material, 30-70 parts by weight of cement and 100-150 parts by weight of water; the principle of fire prevention isolation and separation is adopted, the organic particles are wrapped by inorganic materials, the fire prevention grade is improved to the grade A, the good heat insulation performance of the organic particles is reserved, and the heat conductivity coefficient is 0.035-0.042W/(m.k); the inorganic microbeads are utilized to reduce the heat conductivity coefficient of the inorganic material coating layer; the cementing materials such as polyvinyl acetate emulsion and the like are added, so that the heat insulation material has the advantages of flexibility, water resistance, aging resistance and the like.
When the inorganic microbead modified silicon-plastic heat-insulating material is used, the dispersion uniformity is found to be not ideal enough, so that the technical concept that the organic particles are wrapped by the inorganic material cannot be fully realized, and the stability of the fireproof performance is required to be improved.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides an inorganic microbead modified silicon-plastic heat insulation material and a preparation method thereof.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
an inorganic bead modified silicon-plastic thermal insulation material, which comprises the following components based on the total weight:
5-10 wt% of magnetic inorganic microbeads;
1-3 wt% inorganic whiskers;
3-5 wt% of a heat-insulating composite fiber;
1-3 wt% of a nanoparticle filler;
10-20 wt% of organic particles;
10-15 wt% of a gelling material;
10-20% by weight of cement; and
the balance of water.
Further, in the inorganic microsphere modified silicon plastic thermal insulation material, the magnetic inorganic microsphere is a magnetic hollow ceramic microsphere, a magnetization layer is arranged on the outer side of the magnetic hollow ceramic microsphere, the magnetization layer is a barium ferrite layer or a nano iron layer, and the interior of the magnetic hollow ceramic microsphere is hollow and filled with inert gas.
Further, in the inorganic microsphere modified silicon plastic thermal insulation material, the particle size of the magnetic inorganic microsphere is 10-20 microns, and the thickness of the magnetization layer is 0.5-1 micron.
Further, in the inorganic microbead modified silicon-plastic thermal insulation material, the inorganic whisker is at least one of silicon carbide whisker, titanium carbide whisker, aluminum borate whisker, calcium carbonate whisker, aluminum oxide whisker and zinc oxide whisker.
Further, in the inorganic microbead modified silicon-plastic heat insulation material, the heat insulation composite fiber is formed by mixing polyester fiber, aluminum silicate fiber and ceramic fiber according to the mass ratio of 1-2:1-2:1.
Further, in the inorganic microbead modified silicon-plastic thermal insulation material, the nanoparticle filler is at least one of nano silicon dioxide, nano aluminum oxide, nano graphite, nano ferric oxide, nano calcium carbonate and nano clay.
Further, in the inorganic microbead modified silicon-plastic thermal insulation material, the organic particles are at least one of polyphenyl particles, graphite polyphenyl particles, polyurethane particles, polymerized graphite and polymerized silicon dioxide; the particle size of the organic particles is 0.05-5 mm.
Further, in the inorganic microbead modified silicon-plastic thermal insulation material, the cementing material is one or more of water glass, vinyl acetate-ethylene copolymer emulsion, polystyrene emulsion, polyvinyl acetate emulsion and silica sol.
Further, in the inorganic microbead modified silicon-plastic heat insulation material, the cement is silicate cement and quick setting cement.
The preparation method of the inorganic microbead modified silicon-plastic heat insulation material comprises the following steps:
1) Weighing the raw materials of all the components in proportion;
2) Placing the raw materials of each component into a dispersing cylinder, wherein a stirrer made of a non-magnetic material is arranged in the dispersing cylinder, and a coil connected with an alternating power supply is sleeved outside the dispersing cylinder; the stirrer can drive the component raw materials in the dispersing cylinder to form vortex circulation when working; when the coil works, the coil acts on the magnetic inorganic microbeads, so that the magnetic inorganic microbeads can be orderly distributed along with a magnetic field to obtain mixed slurry;
3) And (3) pressing the mixed slurry into a shape through a mold box, and performing primary curing, demolding, secondary curing, cutting and drying to obtain a finished product.
The beneficial effects of the invention are as follows:
1. the formula design of the heat-insulating material provided by the invention is scientific and reasonable, wherein the magnetic inorganic microbeads can be orderly distributed under the action of a magnetic field, so that the dispersibility is improved, the organic particles are wrapped by the inorganic material to the greatest extent, and the fireproof performance of the heat-insulating material is further ensured. Meanwhile, the cementing materials such as polyvinyl acetate emulsion and the like are added, so that the heat insulation material has the advantages of flexibility, water resistance, aging resistance and the like; cement is used to replace the magnesite material, so that the defects of halogen return, frosting and whitening, powdering when meeting water, metal corrosion and the like of the heat-insulating material after the traditional magnesite material is used are avoided.
2. In the process of distributing ingredients, the electromagnetic vortex is generated under the action of the coil, has directivity, can be overlapped with the direction of the fluid vortex according to the requirement, can increase the stirring speed, can counteract the direction in opposite phase, increases the generation resistance, increases the heating temperature, can realize shortening the heating time, and ensures the stirring effect.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but 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.
An inorganic bead modified silicon-plastic thermal insulation material, which comprises the following components based on the total weight:
5-10 wt% of magnetic inorganic microbeads;
1-3 wt% inorganic whiskers;
3-5 wt% of a heat-insulating composite fiber;
1-3 wt% of a nanoparticle filler;
10-20 wt% of organic particles;
10-15 wt% of a gelling material;
10-20% by weight of cement; and
the balance of water.
In the invention, the magnetic inorganic microbeads are magnetic hollow ceramic microbeads, the outer sides of the magnetic hollow ceramic microbeads are provided with magnetization layers, the magnetization layers are barium ferrite layers or nano iron layers, and the interiors of the magnetic hollow ceramic microbeads are hollow and filled with inert gas.
In the present invention, the particle diameter of the magnetic inorganic microbeads is 10-20 micrometers, wherein the thickness of the magnetization layer is 0.5-1 micrometer.
In the invention, the inorganic whisker is at least one of silicon carbide whisker, titanium carbide whisker, aluminum borate whisker, calcium carbonate whisker, aluminum oxide whisker and zinc oxide whisker.
In the invention, the heat-insulating composite fiber is formed by mixing polyester fiber, aluminum silicate fiber and ceramic fiber according to the mass ratio of 1-2:1-2:1.
In the invention, the nanoparticle filler is at least one of nano silicon dioxide, nano aluminum oxide, nano graphite, nano ferric oxide, nano calcium carbonate and nano clay.
In the invention, the organic particles are at least one of polyphenyl particles, graphite polyphenyl particles, polyurethane particles, polymerized graphite and polymerized silicon dioxide; the particle size of the organic particles is 0.05-5 mm.
In the invention, the cementing material is one or more of water glass, vinyl acetate-ethylene copolymer emulsion, polystyrene emulsion, polyvinyl acetate emulsion and silica sol.
In the invention, cement is silicate cement and quick setting cement.
The preparation method of the inorganic microbead modified silicon-plastic heat insulation material is characterized by comprising the following steps of:
1) Weighing the raw materials of all the components in proportion;
2) Placing the raw materials of each component into a dispersing cylinder, wherein a stirrer made of a non-magnetic material is arranged in the dispersing cylinder, and a coil connected with an alternating power supply is sleeved outside the dispersing cylinder; the stirrer can drive the component raw materials in the dispersing cylinder to form vortex circulation when working; when the coil works, the coil acts on the magnetic inorganic microbeads, so that the magnetic inorganic microbeads can be orderly distributed along with a magnetic field to obtain mixed slurry;
3) And (3) pressing the mixed slurry into a shape through a mold box, and performing primary curing, demolding, secondary curing, cutting and drying to obtain a finished product.
Related embodiments of the invention are as follows:
example 1
An inorganic bead modified silicon-plastic thermal insulation material, which comprises the following components based on the total weight:
5% by weight of magnetic inorganic microbeads;
1% by weight of inorganic whiskers;
5% by weight of a heat-insulating composite fiber;
1% by weight of a nanoparticle filler;
20% by weight of organic particles;
10% by weight of a gelling material;
20% by weight of cement; and
the balance of water.
In this embodiment, the magnetic inorganic microbeads are magnetic hollow ceramic microbeads, the outer sides of the magnetic hollow ceramic microbeads are provided with magnetization layers, the magnetization layers are barium ferrite layers or nano iron layers, and the inside of the magnetic hollow ceramic microbeads is hollow and filled with inert gas. The magnetic inorganic microbeads had a particle size of 15 micrometers, with a thickness of the magnetization layer of 0.6 micrometers.
In this embodiment, the inorganic whiskers are silicon carbide whiskers. The heat-insulating composite fiber is formed by mixing polyester fiber, aluminum silicate fiber and ceramic fiber according to the mass ratio of 1:1:1. The nanoparticle filler is nano alumina. The organic particles are polymeric silica.
In this embodiment, the gel material is a vinyl acetate-ethylene copolymer emulsion. The cement is Portland cement.
Example 2
An inorganic bead modified silicon-plastic thermal insulation material, which comprises the following components based on the total weight:
8% by weight of magnetic inorganic microbeads;
2% by weight of inorganic whiskers;
4% by weight of insulation composite fiber;
2% by weight of a nanoparticle filler;
15% by weight of organic particles;
12% by weight of a gelling material;
15% by weight of cement; and
the balance of water.
In this embodiment, the magnetic inorganic microbeads are magnetic hollow ceramic microbeads, the outer sides of the magnetic hollow ceramic microbeads are provided with magnetization layers, the magnetization layers are barium ferrite layers or nano iron layers, and the inside of the magnetic hollow ceramic microbeads is hollow and filled with inert gas. The magnetic inorganic microbeads had a particle size of 15 micrometers, with a thickness of the magnetization layer of 0.6 micrometers.
In this embodiment, the inorganic whiskers are alumina whiskers. The heat-insulating composite fiber is formed by mixing polyester fiber, aluminum silicate fiber and ceramic fiber according to the mass ratio of 2:2:1. The nanoparticle filler is nano ferric oxide. The organic particles are graphite polyphenyl particles.
In this embodiment, the cementing material is a polystyrene emulsion. The cement is quick setting cement.
Example 3
An inorganic bead modified silicon-plastic thermal insulation material, which comprises the following components based on the total weight:
10% by weight of magnetic inorganic microbeads;
3% by weight of inorganic whiskers;
3% by weight of a heat-insulating composite fiber;
3% by weight of a nanoparticle filler;
10% by weight of organic particles;
15% by weight of a gelling material;
10% by weight of cement; and
the balance of water.
In this embodiment, the magnetic inorganic microbeads are magnetic hollow ceramic microbeads, the outer sides of the magnetic hollow ceramic microbeads are provided with magnetization layers, the magnetization layers are barium ferrite layers or nano iron layers, and the inside of the magnetic hollow ceramic microbeads is hollow and filled with inert gas. The magnetic inorganic microbeads had a particle size of 15 micrometers, with a thickness of the magnetization layer of 0.6 micrometers.
In this embodiment, the inorganic whisker is an aluminum borate whisker. The heat-insulating composite fiber is formed by mixing polyester fiber, aluminum silicate fiber and ceramic fiber according to the mass ratio of 1:2:1. The nanoparticle filler is nano silicon dioxide. The organic particles are polyurethane particles.
In this embodiment, the gelling material is silica sol. The cement is quick setting cement.
The properties of the insulation materials prepared in examples 1 to 3 were tested to meet the following Table 1 requirements:
TABLE 1
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 inorganic microbead modified silicon-plastic heat-insulating material is characterized by comprising the following components in percentage by weight:
5-10 wt% of magnetic inorganic microbeads;
1-3 wt% inorganic whiskers;
3-5 wt% of a heat-insulating composite fiber;
1-3 wt% of a nanoparticle filler;
10-20 wt% of organic particles;
10-15 wt% of a gelling material;
10-20% by weight of cement; and
the balance of water.
2. The inorganic microbead-modified silicon-plastic thermal insulation material according to claim 1, wherein: the magnetic inorganic microbeads are magnetic hollow ceramic microbeads, a magnetization layer is arranged on the outer sides of the magnetic hollow ceramic microbeads, the magnetization layer is a barium ferrite layer or a nano iron layer, and the inside of the magnetic hollow ceramic microbeads is hollow and filled with inert gas.
3. The inorganic microbead-modified silicon-plastic thermal insulation material according to claim 2, wherein: the particle size of the magnetic inorganic microbeads is 10-20 microns, and the thickness of the magnetization layer is 0.5-1 micron.
4. The inorganic microbead-modified silicon-plastic thermal insulation material according to claim 1, wherein: the inorganic whisker is at least one of silicon carbide whisker, titanium carbide whisker, aluminum borate whisker, calcium carbonate whisker, aluminum oxide whisker and zinc oxide whisker.
5. The inorganic microbead-modified silicon-plastic thermal insulation material according to claim 1, wherein: the heat-insulating composite fiber is formed by mixing polyester fiber, aluminum silicate fiber and ceramic fiber according to the mass ratio of 1-2:1-2:1.
6. The inorganic microbead-modified silicon-plastic thermal insulation material according to claim 1, wherein: the nanoparticle filler is at least one of nano silicon dioxide, nano aluminum oxide, nano graphite, nano ferric oxide, nano calcium carbonate and nano clay.
7. The inorganic microbead-modified silicon-plastic thermal insulation material according to claim 1, wherein: the organic particles are at least one of polyphenyl particles, graphite polyphenyl particles, polyurethane particles, polymerized graphite and polymerized silicon dioxide; the particle size of the organic particles is 0.05-5 mm.
8. The inorganic microbead-modified silicon-plastic thermal insulation material according to claim 1, wherein: the cementing material is one or more of water glass, vinyl acetate-ethylene copolymer emulsion, polystyrene emulsion, polyvinyl acetate emulsion and silica sol.
9. The inorganic microbead-modified silicon-plastic thermal insulation material according to claim 1, wherein: the cement is silicate cement and quick setting cement.
10. The method for preparing the inorganic microbead-modified silicon-plastic heat-insulating material according to any one of claims 1 to 9, comprising the following steps:
1) Weighing the raw materials of all the components in proportion;
2) Placing the raw materials of each component into a dispersing cylinder, wherein a stirrer made of a non-magnetic material is arranged in the dispersing cylinder, and a coil connected with an alternating power supply is sleeved outside the dispersing cylinder; the stirrer can drive the component raw materials in the dispersing cylinder to form vortex circulation when working; when the coil works, the coil acts on the magnetic inorganic microbeads, so that the magnetic inorganic microbeads can be orderly distributed along with a magnetic field to obtain mixed slurry;
3) And (3) pressing the mixed slurry into a shape through a mold box, and performing primary curing, demolding, secondary curing, cutting and drying to obtain a finished product.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109020425A (en) * | 2018-08-31 | 2018-12-18 | 马鞍山十七冶工程科技有限责任公司 | A kind of band ferromagnetism architectural lay wire wall self-heat conserving crack resist at mortar and preparation method thereof |
| CN110204282A (en) * | 2019-06-26 | 2019-09-06 | 山东鲁润通节能科技有限公司 | A kind of inorganic microbead modified silicon modeling thermal insulation material and preparation method thereof |
| CN112973516A (en) * | 2021-04-23 | 2021-06-18 | 福建卡乐丽新型建材科技有限公司 | Stirring device for magnetic hollow micro-bead heat-insulating coating |
| CN113185232A (en) * | 2021-05-14 | 2021-07-30 | 三为中科(山东)新型材料科技有限公司 | Preparation method of silicon-plastic thermal insulation material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109020425A (en) * | 2018-08-31 | 2018-12-18 | 马鞍山十七冶工程科技有限责任公司 | A kind of band ferromagnetism architectural lay wire wall self-heat conserving crack resist at mortar and preparation method thereof |
| CN110204282A (en) * | 2019-06-26 | 2019-09-06 | 山东鲁润通节能科技有限公司 | A kind of inorganic microbead modified silicon modeling thermal insulation material and preparation method thereof |
| CN112973516A (en) * | 2021-04-23 | 2021-06-18 | 福建卡乐丽新型建材科技有限公司 | Stirring device for magnetic hollow micro-bead heat-insulating coating |
| CN113185232A (en) * | 2021-05-14 | 2021-07-30 | 三为中科(山东)新型材料科技有限公司 | Preparation method of silicon-plastic thermal insulation material |
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