CN112724722A - Sound-insulation and heat-preservation integrated functional material and preparation method thereof - Google Patents
Sound-insulation and heat-preservation integrated functional material and preparation method thereof Download PDFInfo
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- CN112724722A CN112724722A CN202011582055.XA CN202011582055A CN112724722A CN 112724722 A CN112724722 A CN 112724722A CN 202011582055 A CN202011582055 A CN 202011582055A CN 112724722 A CN112724722 A CN 112724722A
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- 238000009413 insulation Methods 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 title claims abstract description 39
- 238000004321 preservation Methods 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 55
- 239000010703 silicon Substances 0.000 claims abstract description 55
- 229920005989 resin Polymers 0.000 claims abstract description 52
- 239000011347 resin Substances 0.000 claims abstract description 52
- 239000003085 diluting agent Substances 0.000 claims abstract description 46
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000002745 absorbent Effects 0.000 claims abstract description 36
- 239000002250 absorbent Substances 0.000 claims abstract description 36
- 239000002270 dispersing agent Substances 0.000 claims abstract description 34
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010439 graphite Substances 0.000 claims abstract description 14
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 80
- 239000006185 dispersion Substances 0.000 claims description 63
- 239000000203 mixture Substances 0.000 claims description 44
- 229910052792 caesium Inorganic materials 0.000 claims description 38
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 38
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 claims description 38
- 238000002156 mixing Methods 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 11
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 5
- AVMNFQHJOOYCAP-UHFFFAOYSA-N acetic acid;propanoic acid Chemical compound CC(O)=O.CCC(O)=O AVMNFQHJOOYCAP-UHFFFAOYSA-N 0.000 claims description 5
- 150000008360 acrylonitriles Chemical class 0.000 claims description 5
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 5
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 5
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- ZDQNWDNMNKSMHI-UHFFFAOYSA-N 1-[2-(2-prop-2-enoyloxypropoxy)propoxy]propan-2-yl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COCC(C)OC(=O)C=C ZDQNWDNMNKSMHI-UHFFFAOYSA-N 0.000 claims description 4
- -1 carboxylic acid sodium salt Chemical class 0.000 claims description 4
- 229920006217 cellulose acetate butyrate Polymers 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 claims description 3
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 claims description 3
- 150000003863 ammonium salts Chemical class 0.000 claims description 3
- 239000012965 benzophenone Chemical class 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 2
- 150000008366 benzophenones Chemical class 0.000 claims description 2
- 239000002480 mineral oil Substances 0.000 claims description 2
- 235000010446 mineral oil Nutrition 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 2
- 150000001565 benzotriazoles Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 239000002994 raw material Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 239000011810 insulating material Substances 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 2
- 238000011109 contamination Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 24
- 238000000576 coating method Methods 0.000 description 24
- 239000011259 mixed solution Substances 0.000 description 20
- 238000013016 damping Methods 0.000 description 10
- 239000013530 defoamer Substances 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 125000000623 heterocyclic group Chemical group 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical group [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical group C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011494 foam glass Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a sound-insulation and heat-preservation integrated functional material and a preparation method thereof, belonging to the field of sound-insulation and heat-preservation materials; the sound-insulation and heat-preservation integrated functional material comprises the following components in parts by weight: 20-24 parts of organic silicon resin, 6-12 parts of diluent, 25-30 parts of infrared blocking absorbent, 6-12 parts of ultraviolet absorbent, 0.2-0.8 part of dispersing agent, 0.2-0.4 part of defoaming agent, 0.4-0.8 part of flatting agent, 4-10 parts of bis-o-methylamine fluorene and 10-14 parts of flake graphite; under the mutual action of the raw materials and the raw material dosage, the sound-insulation and heat-preservation integrated functional material has the following advantages: the heat-insulating material has the effects of ultralow heat conductivity coefficient, good heat-insulating property, good decorative effect, durability, contamination resistance, good infrared blocking and absorbing performance, high tensile strength and safe and convenient construction.
Description
Technical Field
The invention belongs to the field of sound-insulation and heat-preservation materials, and particularly relates to a sound-insulation and heat-preservation integrated functional material and a preparation method thereof.
Background
The traditional heat-insulating material adopts a heat-insulating system of polystyrene foam boards, silicate composite slurry, rock wool, mineral wool, glass wool, foam glass and polyurethane foam boards, and the traditional heat-insulating material mainly improves gas phase void ratio, reduces heat conductivity coefficient and conducts heat transfer. The fiber heat-insulating material needs to have a thicker coating layer to reduce the convective heat transfer and the radiation heat transfer in the use environment; the section inorganic heat-insulating material needs to be assembled and constructed, and has the defects of more seams, influence on appearance, poor waterproofness, short service life, poor fireproof performance, need of a waterproof layer and an outer protective layer and the like. The prior composite silicate heat-insulating coating is gradually accepted and used in large area for heat insulation in buildings, but still has the problems to be solved and the defects brought by the material structure. The main performance is as follows: (1) the drying period is long, and the construction is greatly influenced by seasons and climate; (2) the impact resistance is weak; (3) large drying shrinkage, high moisture absorption rate and poor heat insulation effect; (4) the bonding strength to the wall body is low, the phenomenon of large-area hollowing is easily caused by improper construction, and the sound insulation effect is poor.
Due to the disordered market of the external thermal insulation material and the uneven product quality, the thermal insulation and decoration engineering of the external facade of the building has the quality problems of cracking, water seepage, poor sound insulation effect, poor thermal insulation effect and the like in different degrees, the appearance and the energy-saving effect of the building are seriously damaged, and the service life of the building and the life quality of residents are greatly reduced. The existing coating has low heat and sound insulation performance, is usually between a few degrees and a dozen degrees, and has narrow application range.
In conclusion, a sound-insulation and heat-insulation integrated functional material with good sound-insulation and heat-insulation effects and a preparation method thereof need to be researched.
Disclosure of Invention
The invention aims to provide a sound-insulation and heat-preservation integrated functional material and a preparation method thereof, and solves the technical problem of the existing building material.
The invention provides a sound-insulation and heat-preservation integrated functional material which comprises the following components in parts by weight: 20-24 parts of organic silicon resin, 6-12 parts of diluent, 25-30 parts of infrared blocking absorbent, 6-12 parts of ultraviolet absorbent, 0.2-0.8 part of dispersing agent, 0.2-0.4 part of defoaming agent, 0.4-0.8 part of flatting agent, 4-10 parts of bis-o-methylamine fluorene and 10-14 parts of flake graphite.
Further, the infrared blocking absorbent comprises 14-16 parts of nano cesium tungstate and 4-8 parts of nano ATO.
Further, the diluent includes at least one of trimethylolpropane triacrylate, styrene, isobornyl acrylate, tripropylene glycol diacrylate, and pentaerythritol triacrylate.
Further, the ultraviolet absorber includes at least one of substituted acrylonitriles, benzotriazoles, and benzophenones.
Further, the dispersant comprises at least one of a hydrophobically modified carboxylic acid sodium salt, a polyacrylic acid sodium salt or an ammonium salt.
Further, the defoaming agent includes at least one of silicones and mineral oil.
Further, the leveling agent comprises at least one of carboxymethyl cellulose acetate propionate and cellulose acetate butyrate.
The preparation method of the sound-insulation and heat-preservation integrated functional material comprises the following steps:
1) preparing nano cesium tungstate dispersion liquid, nano ATO dispersion liquid and organic silicon resin liquid, equally dividing the organic silicon resin liquid into two parts, and uniformly mixing one part of the organic silicon resin liquid with bis-o-methylamine fluorene to prepare a mixture I;
2) blending the organic silicon resin liquid and the diluent, dispersing uniformly, continuously adding the flatting agent, and dispersing uniformly again to prepare a mixture II;
3) and adding the mixture I into the mixture II, uniformly stirring, and then sequentially adding the nano cesium tungstate dispersion liquid, the nano ATO dispersion liquid, the ultraviolet absorbent and the flake graphite, and uniformly dispersing.
Further, the preparation method of the nano cesium tungstate dispersion liquid comprises the following steps: and blending cesium tungstate with a diluent, adding a dispersing agent and a defoaming agent, and stirring and grinding to grind the particle size of solid particles to be less than 100nm to obtain the nano cesium tungstate dispersion.
Further, the preparation method of the nano ATO dispersion liquid is as follows: blending ATO and a diluent, and then adding a dispersing agent and a defoaming agent; and then stirring and grinding to grind the particle size of the solid particles to be less than 100nm, thereby preparing the nano ATO dispersion liquid.
The coating has the product with the function of energy-saving transformation of glass, and is simple and quick to construct.
The construction process comprises the following steps: cleaning the surface with dust-free cloth and water and drying; pouring the material into a tray; placing the construction sponge into a tray and fully absorbing the materials; brushing an upper graph and a lower graph of the transverse Z shape on the surface of the glass; and finishing.
After a piece of white glass is coated, the ultraviolet shielding rate is more than or equal to 94 percent, and the infrared shielding rate is more than or equal to 93 percent; the visible light transmittance is more than or equal to 70 percent, the energy saving rate is improved, and the method is safe, environment-friendly and quick.
The invention is characterized in that organic resin is selected as a prepolymer of a substrate, a bulky and fused heterocyclic bis-o-methylamine fluorene structure is innovatively introduced into the organic resin structure, and the heat-insulating and sound-insulating composite material with wide damping temperature range suitable for the medium temperature environment of 30-50 ℃ is obtained. Particularly, the large-volume and fused heterocyclic structure in the structure of the bis-o-methylamine fluorene can increase the collision chance and the friction area when a polymer chain moves; meanwhile, due to the existence of the bis-o-methylamine fluorene, the glass transition temperature Tg of the polyurethane can be increased, so that the damping temperature range of the heat-insulating and sound-insulating composite material is widened, and the use requirement of the heat-insulating and sound-insulating composite material under a temperature environment is met.
The organic silicon resin is a framework formed by alternately connecting silicon atoms and oxygen atoms, the defects of low curing speed and poor mechanical property of the traditional phenolic resin are overcome, and a coating with high strength and high hardness is formed. In addition, the scheme introduces a bis-o-methylamine fluorene structure into the organic silicon resin, so that the comprehensive performance of the material is improved while the damping temperature range of the heat-insulating and sound-insulating composite material is widened.
The nano cesium tungstate dispersion plays a role in near infrared ray blocking and absorption in the coating system, has excellent blocking performance on near infrared rays (the infrared wave band of sunlight mainly comes from the near infrared wave band), and plays a role in heat insulation. The nano ATO dispersion liquid plays a role in far infrared ray separation and absorption in the coating system, has excellent separation performance on far infrared rays, and plays a role in heat preservation.
The ultraviolet absorbent plays a role in absorbing ultraviolet rays in the coating system, has a good function of absorbing and shielding ultraviolet wave bands in sunlight, and prohibits most of ultraviolet rays from entering buildings.
The leveling agent can reduce the surface tension of a coating film, improve the fluidity of a solution, improve the surface smoothness and the substrate wettability of the coating film and prevent shrinkage cavity. The defoaming agent can remove foams on the liquid surface of a medium in the production process, and the organosilicon defoaming agent has the advantages of wide application range, small surface tension, good thermal stability, good physiological inertia, good defoaming capability and the like.
The invention has the beneficial effects that:
1. under the mutual action of the raw materials and the raw material dosage, the sound-insulation and heat-preservation integrated functional material has the following advantages: the heat conductivity coefficient is ultralow, the heat insulation performance is good, the decorative effect is good, the durability and the contamination resistance are realized, the infrared blocking absorption performance is good, the tensile strength is high, and the construction is safe and convenient;
2. according to the invention, organic silicon resin is selected as a prepolymer of a matrix, and a large-volume and fused heterocyclic bis-o-methylamine fluorene structure is creatively introduced into the matrix structure, so that a sound-insulating and heat-preserving integrated functional material suitable for a temperature environment of-20-60 ℃ is obtained;
3. the surface hardness of the film formed by the method is high and can reach 7-8H; no organic volatile matters, environmental protection and health; the anti-aging capability is strong, and the weather resistance can be more than 12 years through an ultraviolet aging test;
4. the preparation method is simple, can realize rapid curing at normal temperature, and has short drying time.
Detailed Description
The technical effects of the present invention will be specifically described below by way of examples. It should be noted that the following examples are given solely for the purpose of illustration and are not to be construed as limitations on the scope of the invention, as many insubstantial modifications and variations of the invention may be made by those skilled in the art without departing from the spirit and scope of the invention.
Example 1
A preparation method of a sound-insulation and heat-preservation integrated functional material comprises the following steps:
1) weighing the following raw materials in proportion: 20 parts of organic silicon resin, 6 parts of diluent, 25 parts of infrared blocking absorbent, 6 parts of ultraviolet absorbent, 0.2 part of dispersing agent, 0.2 part of defoaming agent, 0.4 part of flatting agent, 4 parts of bis-o-methylamine fluorene and 10 parts of flake graphite; dividing the diluent into three parts, and dividing the dispersant and the defoamer into two parts; the infrared blocking absorbent comprises 14 parts of nano cesium tungstate and 6 parts of nano ATO; the diluent is tripropylene glycol diacrylate, the ultraviolet absorbent is substituted acrylonitrile, and the dispersant is hydrophobic modified sodium carboxylate; the defoaming agent is organic silicon, and the flatting agent is cellulose acetate butyrate;
2) preparing nano cesium tungstate dispersion liquid: blending cesium tungstate with one part of diluent by using a nano grinder, then adding one part of dispersant and one part of defoaming agent to prepare a mixed solution, and continuously using the nano grinder to grind the particle size of solid particles in the mixed solution to be less than 100nm to prepare nano cesium tungstate dispersion liquid;
3) preparing a nano ATO dispersion liquid: blending ATO with one part of diluent using a nano-mill, then adding one part of dispersant and one part of defoamer; preparing a mixed solution, and continuously using a nano grinder to grind the particle size of solid particles in the mixed solution to be less than 100nm to prepare nano ATO dispersion liquid;
4) preparing organic silicon resin liquid: mixing and dissolving the organic silicon resin and the diluent to obtain organic silicon resin liquid;
5) dividing the organic silicon resin liquid into two parts, and uniformly mixing one part of the organic silicon resin liquid with the diorthomethylamine fluorene to prepare a mixture I;
6) blending the organic silicon resin liquid and a part of diluent, adding the mixture into a container, uniformly dispersing the mixture by using a coating dispersion machine, continuously adding the leveling agent, and uniformly dispersing the mixture by using the coating dispersion machine again to obtain a mixture II;
7) and adding the mixture I into the mixture II, uniformly stirring by using a coating dispersion machine, then sequentially adding the nano cesium tungstate dispersion liquid, the nano ATO dispersion liquid, the ultraviolet absorbent and the flake graphite, and uniformly dispersing to obtain the sound-insulation and heat-preservation integrated functional material.
Example 2
A preparation method of a sound-insulation and heat-preservation integrated functional material comprises the following steps:
1) weighing the following raw materials in proportion: 24 parts of organic silicon resin, 12 parts of diluent, 30 parts of infrared blocking absorbent, 12 parts of ultraviolet absorbent, 0.8 part of dispersing agent, 0.4 part of defoaming agent, 0.8 part of flatting agent, 10 parts of bis-o-methylamine fluorene and 14 parts of flake graphite; dividing the diluent into three parts, and dividing the dispersant and the defoamer into two parts; the infrared blocking absorbent comprises 16 parts of nano cesium tungstate and 8 parts of nano ATO; the diluent is tripropylene glycol diacrylate, the ultraviolet absorbent is substituted acrylonitrile, and the dispersant is sodium polyacrylate; the defoaming agent is organic silicon, and the flatting agent is carboxymethyl cellulose acetate propionate;
2) preparing nano cesium tungstate dispersion liquid: blending cesium tungstate with one part of diluent by using a nano grinder, then adding one part of dispersant and one part of defoaming agent to prepare a mixed solution, and continuously using the nano grinder to grind the particle size of solid particles in the mixed solution to be less than 100nm to prepare nano cesium tungstate dispersion liquid;
3) preparing a nano ATO dispersion liquid: blending ATO with one part of diluent using a nano-mill, then adding one part of dispersant and one part of defoamer; preparing a mixed solution, and continuously using a nano grinder to grind the particle size of solid particles in the mixed solution to be less than 100nm to prepare nano ATO dispersion liquid;
4) preparing organic silicon resin liquid: mixing and dissolving the organic silicon resin and the diluent to obtain organic silicon resin liquid;
5) dividing the organic silicon resin liquid into two parts, and uniformly mixing one part of the organic silicon resin liquid with the diorthomethylamine fluorene to prepare a mixture I;
6) blending the organic silicon resin liquid and a part of diluent, adding the mixture into a container, uniformly dispersing the mixture by using a coating dispersion machine, continuously adding the leveling agent, and uniformly dispersing the mixture by using the coating dispersion machine again to obtain a mixture II;
7) and adding the mixture I into the mixture II, uniformly stirring by using a coating dispersion machine, then sequentially adding the nano cesium tungstate dispersion liquid, the nano ATO dispersion liquid, the ultraviolet absorbent and the flake graphite, and uniformly dispersing to obtain the sound-insulation and heat-preservation integrated functional material.
Example 3
A preparation method of a sound-insulation and heat-preservation integrated functional material comprises the following steps:
1) weighing the following raw materials in proportion: 22 parts of organic silicon resin, 9 parts of diluent, 27 parts of infrared blocking absorbent, 9 parts of ultraviolet absorbent, 0.5 part of dispersing agent, 0.3 part of defoaming agent, 0.6 part of flatting agent, 7 parts of bis-o-methylamine fluorene and 12 parts of flake graphite; dividing the diluent into three parts, and dividing the dispersant and the defoamer into two parts; the infrared blocking absorbent comprises 15 parts of nano cesium tungstate and 7 parts of nano ATO; the diluent is pentaerythritol triacrylate, the ultraviolet absorbent is substituted acrylonitrile, and the dispersant is hydrophobic modified sodium carboxylate; the defoaming agent is organic silicon, and the flatting agent is carboxymethyl cellulose acetate propionate;
2) preparing nano cesium tungstate dispersion liquid: blending cesium tungstate with one part of diluent by using a nano grinder, then adding one part of dispersant and one part of defoaming agent to prepare a mixed solution, and continuously using the nano grinder to grind the particle size of solid particles in the mixed solution to be less than 100nm to prepare nano cesium tungstate dispersion liquid;
3) preparing a nano ATO dispersion liquid: blending ATO with one part of diluent using a nano-mill, then adding one part of dispersant and one part of defoamer; preparing a mixed solution, and continuously using a nano grinder to grind the particle size of solid particles in the mixed solution to be less than 100nm to prepare nano ATO dispersion liquid;
4) preparing organic silicon resin liquid: mixing and dissolving the organic silicon resin and the diluent to obtain organic silicon resin liquid;
5) dividing the organic silicon resin liquid into two parts, and uniformly mixing one part of the organic silicon resin liquid with the diorthomethylamine fluorene to prepare a mixture I;
6) blending the organic silicon resin liquid and a part of diluent, adding the mixture into a container, uniformly dispersing the mixture by using a coating dispersion machine, continuously adding the leveling agent, and uniformly dispersing the mixture by using the coating dispersion machine again to obtain a mixture II;
7) and adding the mixture I into the mixture II, uniformly stirring by using a coating dispersion machine, then sequentially adding the nano cesium tungstate dispersion liquid, the nano ATO dispersion liquid, the ultraviolet absorbent and the flake graphite, and uniformly dispersing to obtain the sound-insulation and heat-preservation integrated functional material.
Example 4
A preparation method of a sound-insulation and heat-preservation integrated functional material comprises the following steps:
1) weighing the following raw materials in proportion: 21 parts of organic silicon resin liquid, 7 parts of diluent, 26 parts of infrared blocking absorbent, 7 parts of ultraviolet absorbent, 0.4 part of dispersing agent, 0.2 part of defoaming agent, 0.5 part of flatting agent, 5 parts of bis-o-methylamine fluorene and 11 parts of flake graphite; dividing the diluent into three parts, and dividing the dispersant and the defoamer into two parts; the infrared blocking absorbent comprises 15 parts of nano cesium tungstate and 6 parts of nano ATO; the diluent is isobornyl acrylate, the ultraviolet absorbent is benzophenone, and the dispersant is ammonium salt; the defoaming agent is organic silicon, and the flatting agent is carboxymethyl cellulose acetate propionate;
2) preparing nano cesium tungstate dispersion liquid: blending cesium tungstate with one part of diluent by using a nano grinder, then adding one part of dispersant and one part of defoaming agent to prepare a mixed solution, and continuously using the nano grinder to grind the particle size of solid particles in the mixed solution to be less than 100nm to prepare nano cesium tungstate dispersion liquid;
3) preparing a nano ATO dispersion liquid: blending ATO with one part of diluent using a nano-mill, then adding one part of dispersant and one part of defoamer; preparing a mixed solution, and continuously using a nano grinder to grind the particle size of solid particles in the mixed solution to be less than 100nm to prepare nano ATO dispersion liquid;
4) preparing organic silicon resin liquid: mixing and dissolving the organic silicon resin and the diluent to obtain organic silicon resin liquid;
5) dividing the organic silicon resin liquid into two parts, and uniformly mixing one part of the organic silicon resin liquid with the diorthomethylamine fluorene to prepare a mixture I;
6) blending the organic silicon resin liquid and a part of diluent, adding the mixture into a container, uniformly dispersing the mixture by using a coating dispersion machine, continuously adding the leveling agent, and uniformly dispersing the mixture by using the coating dispersion machine again to obtain a mixture II;
7) and adding the mixture I into the mixture II, uniformly stirring by using a coating dispersion machine, then sequentially adding the nano cesium tungstate dispersion liquid, the nano ATO dispersion liquid, the ultraviolet absorbent and the flake graphite, and uniformly dispersing to obtain the sound-insulation and heat-preservation integrated functional material.
Example 5
A preparation method of a sound-insulation and heat-preservation integrated functional material comprises the following steps:
1) weighing the following raw materials in proportion: 23 parts of organic silicon resin liquid, 11 parts of diluent, 28 parts of infrared blocking absorbent, 11 parts of ultraviolet absorbent, 0.7 part of dispersing agent, 0.4 part of defoaming agent, 0.7 part of flatting agent, 8 parts of bis-o-methylamine fluorene and 13 parts of flake graphite; dividing the diluent into three parts, and dividing the dispersant and the defoamer into two parts; the infrared blocking absorbent comprises 15 parts of nano cesium tungstate and 8 parts of nano ATO; the diluent is styrene, the ultraviolet absorbent is benzotriazole, and the dispersant is sodium polyacrylate; the defoaming agent is organic silicon, and the flatting agent is cellulose acetate butyrate;
2) preparing nano cesium tungstate dispersion liquid: blending cesium tungstate with one part of diluent by using a nano grinder, then adding one part of dispersant and one part of defoaming agent to prepare a mixed solution, and continuously using the nano grinder to grind the particle size of solid particles in the mixed solution to be less than 100nm to prepare nano cesium tungstate dispersion liquid;
3) preparing a nano ATO dispersion liquid: blending ATO with one part of diluent using a nano-mill, then adding one part of dispersant and one part of defoamer; preparing a mixed solution, and continuously using a nano grinder to grind the particle size of solid particles in the mixed solution to be less than 100nm to prepare nano ATO dispersion liquid;
4) preparing organic silicon resin liquid: mixing and dissolving the organic silicon resin and the diluent to obtain organic silicon resin liquid;
5) dividing the organic silicon resin liquid into two parts, and uniformly mixing one part of the organic silicon resin liquid with the diorthomethylamine fluorene to prepare a mixture I;
6) blending the organic silicon resin liquid and a part of diluent, adding the mixture into a container, uniformly dispersing the mixture by using a coating dispersion machine, continuously adding the leveling agent, and uniformly dispersing the mixture by using the coating dispersion machine again to obtain a mixture II;
7) and adding the mixture I into the mixture II, uniformly stirring by using a coating dispersion machine, then sequentially adding the nano cesium tungstate dispersion liquid, the nano ATO dispersion liquid, the ultraviolet absorbent and the flake graphite, and uniformly dispersing to obtain the sound-insulation and heat-preservation integrated functional material.
Comparative example 1
This comparative example was compared to example 3 with no added bis-o-methylamine fluorene and the remaining components and steps were identical to those of example 3.
Comparative example 2
The components of this comparative example were identical to those of example 3, as compared to example 3, and the preparation method was to simply mix all the components.
Test effects
1. In order to verify the sound insulation performance, the heat insulation function and the infrared and ultraviolet blocking function of the heat and sound insulation material, the sound insulation performance and the damping temperature range of the composite materials prepared in the embodiments 1-5 and the comparative examples 1-2 are respectively tested; wherein, the sound insulation performance is measured according to GDJ75 (the frequency range is 500-4000 Hz, and the thickness is 3 mm); and testing the thermal conductivity and water absorption.
The results are shown in the following table:
as can be seen from the above table, compared with examples 1 to 5, the sound insulation performance of comparative example 1 has no obvious difference, but the effective damping temperature range is obviously narrowed, which indicates that the bis-o-methylamine fluorene can effectively widen the damping temperature range of the heat and sound insulation material; the sound insulation performance of the comparative example 2 is obviously reduced, and the effective damping temperature range changes, which shows that the preparation method of mixing the organic silicon resin and the bis-o-methylamine fluorene in the scheme has the advantages that the components are combined more tightly, and the air barrier performance, the heat conductivity coefficient, the effective damping temperature range, the infrared ray shielding rate, the ultraviolet ray shielding rate and the water absorption rate are optimized.
In conclusion, the sound-insulation and heat-preservation integrated functional material disclosed by the invention achieves the effects of improving the damping performance, widening the damping temperature range and reducing the water absorption rate and the heat conductivity coefficient, thereby improving the heat-insulation and sound-insulation performance; the ultraviolet shielding rate is more than or equal to 94 percent, the infrared shielding rate is more than or equal to 93 percent, the infrared blocking performance is good, and the ultraviolet aging resistance is good.
The above embodiments are merely preferred embodiments of the present invention, which are provided for illustrating the technical solutions of the present invention and not for limiting the same, and it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the present invention, and all of them should be covered by the protection scope of the present invention.
Claims (10)
1. A sound-insulation and heat-preservation integrated functional material is characterized by comprising the following components in parts by weight: 20-24 parts of organic silicon resin, 6-12 parts of diluent, 25-30 parts of infrared blocking absorbent, 6-12 parts of ultraviolet absorbent, 0.2-0.8 part of dispersing agent, 0.2-0.4 part of defoaming agent, 0.4-0.8 part of flatting agent, 4-10 parts of bis-o-methylamine fluorene and 10-14 parts of flake graphite.
2. The sound-insulation and heat-preservation integrated functional material as claimed in claim 1, wherein the infrared blocking absorbent comprises 14-16 parts of nano cesium tungstate and 4-8 parts of nano ATO.
3. The sound-insulating and heat-preserving integrated functional material as claimed in claim 1, wherein the diluent comprises at least one of trimethylolpropane triacrylate, styrene, isobornyl acrylate, tripropylene glycol diacrylate and pentaerythritol triacrylate.
4. The sound-insulating and heat-preserving integrated functional material as claimed in claim 1, wherein the ultraviolet absorber comprises at least one of substituted acrylonitriles, benzotriazoles and benzophenones.
5. The sound-insulation and heat-preservation integrated functional material as claimed in claim 1, wherein the dispersing agent comprises at least one of a hydrophobic modified carboxylic acid sodium salt, a polyacrylic acid sodium salt or an ammonium salt.
6. The sound-insulating and heat-preserving integrated functional material as claimed in claim 1, wherein the defoaming agent comprises at least one of silicone and mineral oil.
7. The sound-insulation and heat-preservation integrated functional material as claimed in claim 1, wherein the leveling agent comprises at least one of carboxymethyl cellulose acetate propionate and cellulose acetate butyrate.
8. The preparation method of the sound-insulation and heat-preservation integrated functional material as claimed in any one of claims 2 to 7, characterized by comprising the following steps:
1) preparing nano cesium tungstate dispersion liquid, nano ATO dispersion liquid and organic silicon resin liquid, equally dividing the organic silicon resin liquid into two parts, and uniformly mixing one part of the organic silicon resin liquid with bis-o-methylamine fluorene to prepare a mixture I;
2) blending the organic silicon resin liquid and the diluent, dispersing uniformly, continuously adding the flatting agent, and dispersing uniformly again to prepare a mixture II;
3) and adding the mixture I into the mixture II, uniformly stirring, and then sequentially adding the nano cesium tungstate dispersion liquid, the nano ATO dispersion liquid and the ultraviolet absorbent, and uniformly dispersing.
9. The preparation method of the sound-insulation and heat-preservation integrated functional material as claimed in claim 8, wherein the preparation method of the nano cesium tungstate dispersion is as follows: and blending cesium tungstate with a diluent, adding a dispersing agent and a defoaming agent, and stirring and grinding to grind the particle size of solid particles to be less than 100nm to obtain the nano cesium tungstate dispersion.
10. The method for preparing the sound-insulation and heat-preservation integrated functional material as claimed in claim 8, wherein the method for preparing the nano ATO dispersion liquid comprises the following steps: blending ATO and a diluent, and then adding a dispersing agent and a defoaming agent; and then stirring and grinding to grind the particle size of the solid particles to be less than 100nm, thereby preparing the nano ATO dispersion liquid.
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| CN113372059A (en) * | 2021-06-15 | 2021-09-10 | 四川赛尔科美新材料科技有限公司 | Inorganic silicon sound-insulation heat-preservation gel and preparation method thereof |
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| CN110564294A (en) * | 2019-09-12 | 2019-12-13 | 广东沐峰节能创新科技有限公司 | heat-preservation and heat-insulation coating and preparation method thereof |
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| CN108034344A (en) * | 2017-11-30 | 2018-05-15 | 中国船舶重工集团公司第七二五研究所 | A kind of medium temperature wide temperature range polyurethane damping paint and preparation method thereof |
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