CN113944246A - Anti-bending insulation board for wall - Google Patents
Anti-bending insulation board for wall Download PDFInfo
- Publication number
- CN113944246A CN113944246A CN202111450471.9A CN202111450471A CN113944246A CN 113944246 A CN113944246 A CN 113944246A CN 202111450471 A CN202111450471 A CN 202111450471A CN 113944246 A CN113944246 A CN 113944246A
- Authority
- CN
- China
- Prior art keywords
- insulation board
- carbon nanowire
- bending
- toughened
- pretreated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 51
- 238000005452 bending Methods 0.000 title claims abstract description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 112
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 112
- 239000002070 nanowire Substances 0.000 claims abstract description 112
- 239000010410 layer Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011229 interlayer Substances 0.000 claims abstract description 17
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 16
- 239000011259 mixed solution Substances 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 12
- 239000002243 precursor Substances 0.000 claims abstract description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 239000002023 wood Substances 0.000 claims abstract description 10
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010703 silicon Substances 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 238000003672 processing method Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 16
- 238000005245 sintering Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 11
- 239000012300 argon atmosphere Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 5
- 239000012495 reaction gas Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 4
- 239000000872 buffer Substances 0.000 abstract description 2
- 239000004566 building material Substances 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 36
- 239000003365 glass fiber Substances 0.000 description 36
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 32
- 235000017491 Bambusa tulda Nutrition 0.000 description 32
- 241001330002 Bambuseae Species 0.000 description 32
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 32
- 239000000853 adhesive Substances 0.000 description 32
- 230000001070 adhesive effect Effects 0.000 description 32
- 239000011425 bamboo Substances 0.000 description 32
- 229920002678 cellulose Polymers 0.000 description 31
- 239000001913 cellulose Substances 0.000 description 31
- 239000002121 nanofiber Substances 0.000 description 31
- 239000003822 epoxy resin Substances 0.000 description 29
- 229920000647 polyepoxide Polymers 0.000 description 29
- 239000000203 mixture Substances 0.000 description 28
- 239000004744 fabric Substances 0.000 description 26
- 238000007731 hot pressing Methods 0.000 description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 239000011248 coating agent Substances 0.000 description 20
- 238000000576 coating method Methods 0.000 description 20
- 239000006260 foam Substances 0.000 description 17
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 239000000725 suspension Substances 0.000 description 13
- 238000005303 weighing Methods 0.000 description 13
- 239000002202 Polyethylene glycol Substances 0.000 description 11
- 238000000498 ball milling Methods 0.000 description 11
- 229920001223 polyethylene glycol Polymers 0.000 description 11
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 11
- 238000001914 filtration Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 239000005020 polyethylene terephthalate Substances 0.000 description 10
- 229920000139 polyethylene terephthalate Polymers 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 239000003292 glue Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- 229910052786 argon Inorganic materials 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- -1 polyethylene terephthalate Polymers 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- CTENFNNZBMHDDG-UHFFFAOYSA-N Dopamine hydrochloride Chemical compound Cl.NCCC1=CC=C(O)C(O)=C1 CTENFNNZBMHDDG-UHFFFAOYSA-N 0.000 description 7
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 7
- 238000001354 calcination Methods 0.000 description 7
- 229960001149 dopamine hydrochloride Drugs 0.000 description 7
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 7
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 7
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 229920001690 polydopamine Polymers 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000011363 dried mixture Substances 0.000 description 3
- 239000011494 foam glass Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000002134 carbon nanofiber Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
Abstract
The invention discloses an anti-bending insulation board for a wall, and relates to the technical field of building materials, wherein the insulation board processing method comprises the following steps: alternately inserting the laying layers into a wood structure heat insulation board consisting of a panel, a core board and an interlayer; the laying layer is composed of pretreated toughened carbon nanowire aggregates; the pretreated toughened carbon nanowire aggregate is obtained by introducing polar groups into the surface of the toughened carbon nanowire aggregate; the toughening type carbon nanowire aggregate takes a mixed solution of an iron source and a tin source as a precursor, and is prepared by adopting a chemical vapor deposition method, and toughening treatment is carried out on the obtained product by utilizing cellulose fibers and silicon source particles. According to the invention, by utilizing the toughness characteristic of the pretreated toughened carbon nanowire aggregate, the multilayer buffer layers are constructed in the heat insulation plate, so that external acting force can be effectively absorbed, the external impact action on the panel, the core plate and the interlayer in the heat insulation plate is reduced, and the bending strength of the heat insulation plate is enhanced.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to an anti-bending heat-insulation board for a wall.
Background
The wood structure heat-insulation board is a 3-layer structure composite board formed by using 2 pieces of wood materials with bearing capacity as panels, applying a structural adhesive and gluing the structural adhesive with a hard foam core board, has the characteristics of light weight, high strength, energy conservation, environmental protection, heat insulation, sound insulation, convenient construction and installation and the like, and can be used for frontier buildings and light commercial buildings.
In recent years, along with the enhancement of environmental awareness and the gradual deepening of understanding of characteristics of wooden buildings, China has developed
The development of wood structure insulation board materials is also paid more and more attention in the interior. At present, the wood load-bearing panels forming the SIP are mainly oriented strand board, plywood, fiberboard and the like. The recombined bamboo is compounded by bamboo fibers, has good mechanical property, durability and decoration, and is a novel composite material with great attraction and application potential. In the prior art, the recombined bamboo is selected as the bearing panel to prepare the structural heat-insulation board, the mechanical property of the structural heat-insulation board is researched, and the result shows that: the recombined bamboo has certain bending resistance as a facing material of the structural heat-insulation plate, but does not meet the use requirements of certain application fields as a bearing panel, and the reasons for the bending resistance are caused by the density, the thickness, the direction of bamboo bundles, stress concentration and the like of the recombined bamboo. In addition, in the SIP structure similar to a "sandwich", the structural morphology of the connection layer is a key factor determining the performance thereof, and therefore, the structural morphology of the interface connection layer of the insulation board plays a crucial role.
A new process that can use existing insulation board stock to form insulation boards with desirable bending resistance would be a welcome improvement in the art.
Disclosure of Invention
The invention aims to provide an anti-bending insulation board for a wall body, aiming at the existing problems.
The invention is realized by the following technical scheme:
a bending-resistant insulation board for a wall body is provided, and the insulation board processing method comprises the following steps:
alternately inserting the laying layers into a wood structure heat insulation board consisting of the face plate, the core plate and the interlayer;
the laying layer is composed of pretreated toughened carbon nanowire aggregates;
the pretreated toughened carbon nanowire aggregate is obtained by introducing polar groups into the surface of the toughened carbon nanowire aggregate;
the toughening type carbon nanowire aggregate is obtained by taking a mixed solution of an iron source and a tin source as a precursor and adopting a chemical vapor deposition method to obtain a product and then toughening the product by using cellulose fibers and silicon source particles.
In one embodiment, the wood structural insulation board is formed by stacking panels-sandwich-core-sandwich-panels in sequence.
Furthermore, the panel adopts recombined bamboo, the core board adopts polyethylene terephthalate foam, and the interlayer adopts glass fiber cloth.
In one embodiment, the interface adhesive of the wooden structure insulation board is an epoxy resin adhesive.
Further, the glue coating amount of the epoxy resin adhesive is 120-170g/m2。
In one embodiment, the paving layers are alternately inserted into the wood structure insulation board in the following specific method:
and placing the laying layer on the surface of the panel, coating an epoxy resin adhesive on the interlayer, stacking the laying layer and the interlayer, coating the epoxy resin adhesive on the core plate, stacking the laying layer and the interlayer, and repeating the steps.
In one embodiment, after the insertion of the paving layer is completed, the paving layer is subjected to hot-pressing curing treatment, wherein the hot-pressing curing treatment adopts a flat vulcanizing machine, the hot-pressing temperature is 130-.
In one embodiment, the grain size of the toughened carbon nanowire agglomerates is 100-.
In one embodiment, the pretreated toughened carbon nanowire aggregate is obtained by introducing a large amount of polar groups on the surface of the toughened carbon nanowire aggregate by treating the toughened carbon nanowire aggregate with polydopamine.
Further, the operation of treating the toughened carbon nanowire aggregate with polydopamine is as follows:
ultrasonically dispersing the toughened carbon nanowire aggregate in deionized water, adding dopamine hydrochloride, adjusting the pH value to 8, filtering with a filter membrane after stirring reaction, repeatedly filtering water, and drying to obtain the pretreated toughened carbon nanowire aggregate.
Furthermore, the ratio of the toughened carbon nanowire aggregate to the deionized water to the dopamine hydrochloride is 20-50g to 20-50L to 0.5-1.3 g.
Further, tris (hydroxymethyl) aminomethane is used for the above pH adjustment.
In one embodiment, the molar ratio of iron to tin in the mixed liquor is 60-70: 1.
In one embodiment, the precursor is subjected to a calcination process prior to the cvd process.
In one embodiment, the calcination treatment is to drop the precursor on quartz glass, dry and calcine at 700-760 ℃ for 30-60 min.
In the invention, a chemical vapor deposition system (CVD) is adopted to realize the preparation of the spiral carbon nano wire, the CVD is a process of generating solid sediment by utilizing the reaction of gaseous or steam substances on a gas phase or gas-solid interface, and in the reaction process, a reactor is vacuumized and then injected with transport gas argon and reaction gas acetylene, so that the external pollution can be avoided, and the spiral carbon nano wire with high purity and good crystallinity is obtained.
In one embodiment, the flow rate of the transport gas is 230-380sccm and the flow rate of the reaction gas is 30-50 sccm.
Further, the transport gas is argon, and the reaction gas is acetylene.
In one embodiment, the reaction temperature is 710-.
In the invention, a chemical vapor deposition method is adopted, ferric sulfate/tin carbide mixed solution is used as a precursor to prepare the carbon nanowire with a spiral special structure, and the carbon nanowire has a unique three-dimensional spiral structure, so that the carbon nanowire has good toughness, can effectively resist external action and is not easy to break;
in one embodiment, the cellulose fiber is cellulose nanofiber, and the silicon source particles are nano silica particles.
In one embodiment, the toughening process includes blending, vacuuming, drying, and sintering.
In one embodiment, the amount of cellulose fiber used during the blending process is 3.0-4.0% by mass of the resulting product and the amount of silicon source particles used is 0.5-2.5% by mass of the resulting product.
In one embodiment, the blending is performed by ball milling with a ball mill at a rotation speed of 500-.
Further, in the ball milling process, distilled water is used as a ball milling medium, and the mass ratio of the materials to the balls to the water is 1:2.0-2.5: 1.
Further, the material is a mixture and consists of a product obtained by a chemical vapor deposition method, cellulose fibers and silicon source particles.
In one embodiment, the mixture obtained after ball milling is further added with a cellulose nanofiber suspension for mixing.
Further, the cellulose nanofiber suspension accounts for 5-8wt% of the mass of the mixture.
Further, the cellulose nanofiber suspension contains 1.1-1.6wt% of cellulose nanofibers.
In one embodiment, in the vacuum-pumping treatment, the vacuum is pumped to 2-20Pa, and the vacuum-pumping treatment is carried out for 10-30 min.
In one embodiment, the evacuation is followed by drying.
In one embodiment, the sintering is performed by using a horizontal tube furnace, and the sintering is performed for 2-5h by heating to 1600-1650 ℃ in an argon atmosphere.
Further, the argon gas is in a flowing state.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, a chemical vapor deposition method is adopted, ferric sulfate/tin carbide mixed solution is used as a precursor to prepare the carbon nanowire with a spiral special structure, and the carbon nanowire has a unique three-dimensional spiral structure, so that the carbon nanowire has good toughness, can effectively resist external action and is not easy to break; in order to repair defects appearing on a part of carbon nanowires in the reaction process and improve the toughness of the carbon nanowires, the spiral carbon nanowires, the nano silicon dioxide and the cellulose nanofibers are mixed and then vacuumized to promote the cellulose nanofibers and the nano silicon dioxide to be embedded into surface defects of the carbon nanowires, and the cellulose nanofibers generate amorphous carbon fibers through subsequent high-temperature sintering, react with the silicon dioxide in situ to generate silicon carbide fibers, can fill up the defects of the carbon nanowires, so that the integrity of the carbon nanowire structure is improved, meanwhile, the generated silicon carbide fibers can play a role in bridging among the carbon nanowires to enable single carbon nanowires to be bridged with each other, so that carbon nanowire aggregates with larger structures are formed, and the carbon nanowire aggregates are formed by bridging a plurality of carbon nanowires, the toughness of the carbon nanowire aggregate is further enhanced, so that the formed carbon nanowire aggregate has excellent fracture toughness.
2. According to the invention, the toughening type carbon nanowire aggregate is treated by the polydopamine, and a large number of polar groups are introduced into the surface of the toughening type carbon nanowire aggregate, so that the compatibility between the toughening type carbon nanowire aggregate and an epoxy resin adhesive can be improved, and the interaction force between the toughening type carbon nanowire aggregate and an epoxy interface is increased, thereby avoiding the phenomenon of insufficient bonding strength caused by the existence of the pretreated toughening type carbon nanowire aggregate among a bearing panel, a core plate and an interlayer in the subsequent gluing process.
3. According to the invention, the pre-treated toughened carbon nanowire aggregate is alternately inserted into the wood-structure heat-insulation board consisting of the panel, the core plate and the interlayer, and the multi-layer buffer protection layer is constructed in the heat-insulation board by utilizing the toughness of the pre-treated toughened carbon nanowire aggregate, so that external acting force can be effectively absorbed, the external impact action on the panel, the core plate and the interlayer in the heat-insulation board is reduced, and the effect of enhancing the bending strength of the heat-insulation board is realized.
Detailed Description
The invention comprises the following raw materials: cellulose nanofibers (average diameter of 6.8nm, length of 1 μm, available from Guilin Qihong science and technology Co., Ltd.), dopamine hydrochloride (98%, available from Aladdin reagent (Shanghai) Co., Ltd.), tris (hydroxymethyl) aminomethane (available from Chinese medicinal group chemical reagent Co., Ltd.), and recombined bamboo (available from Ajihui bamboo Game Co., gumming amount of 15-18%, density of 1.2 g/cm)3) Glass fiber cloth (purchased from Wuxi glass fiber materials Co., Ltd., woven from medium alkali glass fiber, with a specification of 100g/m2) Polyethylene terephthalate foam (available from Shanghai Yutaceae New materials Co., Ltd., density of 0.10 g/cm)3）。
Example 1
A bending-resistant heat-insulation board for a wall body is specifically processed by the following steps:
1) taking ferric sulfate/tin carbide mixed solution as a precursor, wherein the molar ratio of iron to tin is 60:1, then taking 5mL of mixed solution to be dropped on quartz glass, drying the quartz glass on a heater at 50 ℃, then calcining the quartz glass at 700 ℃ for 30min, then putting the quartz glass into a CVD reaction system, introducing 230sccm of argon gas and 30sccm of acetylene gas, raising the temperature to 710 ℃, reacting for 1h, and naturally cooling to room temperature after the reaction is finished to obtain the spiral carbon nanowire;
2) sequentially weighing nano silicon dioxide powder accounting for 3% of the mass of the carbon nano wires and cellulose nano fiber powder accounting for 0.5% of the mass of the carbon nano wires, mixing the nano silicon dioxide powder and the cellulose nano fiber powder with the mass of the carbon nano wires to form a raw material, placing the raw material and the carbon nano wires into a planetary ball mill, carrying out ball milling and mixing for 2 hours at a rotating speed of 500r/min, wherein the mass ratio of material to ball to water is 1:2:1, and placing the obtained wet mixture into a drying oven to be dried for 10 hours at 100 ℃ to obtain a mixed material;
3) adding 5wt% of cellulose nanofiber suspension into the mixture for mixing, wherein the content of cellulose nanofibers in the cellulose nanofiber suspension is 1.1wt%, then placing the mixture into a vacuum container, vacuumizing to 2Pa, vacuumizing for 10min, after the treatment is finished, moving the mixture into a drying oven, drying the mixture for 20h at 100 ℃, placing the dried mixture into a horizontal tube furnace, heating the mixture to 1600 ℃ under the flowing argon atmosphere, sintering the mixture for 2h, after the sintering is finished, naturally cooling the mixture to room temperature, and performing oscillation screening on the obtained product to obtain the toughened carbon nanowire aggregate with the particle size of 100 microns;
4) weighing 20g of toughened carbon nanowire aggregate, ultrasonically dispersing in 20L of deionized water, weighing 0.5g of dopamine hydrochloride, adding into the dispersion, adjusting the pH value of the solution to 8 by adding tris (hydroxymethyl) aminomethane, stirring the mixture at 30-35 ℃ for 30min at 300rpm, filtering by using a filter membrane after the reaction is finished, repeatedly filtering water, and then drying in a vacuum oven at 50 ℃ for 10h to obtain the pretreated toughened carbon nanowire aggregate;
5) the recombined bamboo is used as a bearing panel, the polyethylene glycol terephthalate foam is used as a core board, the glass fiber cloth is used as an interlayer, the pretreated toughened carbon nanowire aggregate is used as a laying layer, and the glue coating amount of the epoxy resin adhesive is controlled to be 130g/m2Uniformly laying the thin pretreated toughened carbon nanowire aggregate on the surface of the recombined bamboo, then coating epoxy resin adhesive on the glass fiber cloth, stacking the glass fiber cloth and the epoxy resin adhesive, then uniformly laying a layer of the thin pretreated toughened carbon nanowire aggregate on the glass fiber cloth, coating the epoxy resin adhesive on the polyethylene terephthalate foam as a core plate, stacking the glass fiber cloth and the recombined bamboo, repeating the steps, stacking the recombined bamboo-the glass fiber cloth-the polyethylene terephthalate foam-the glass fiber cloth-the recombined bamboo in sequence, and placing the recombined bamboo in a preheated plate vulcanizing machine for hot-pressing and curing, wherein the hot-pressing temperature is 140 ℃, the gauge pressure is 2MPa, and the hot-pressing time is 10min, so that the required anti-bending insulation board can be obtained.
Example 2
A bending-resistant heat-insulation board for a wall body is specifically processed by the following steps:
1) taking ferric sulfate/tin carbide mixed solution as a precursor, wherein the molar ratio of iron to tin is 70:1, then taking 20mL of mixed solution to be dropped on quartz glass, drying the quartz glass on a heater at 60 ℃, then calcining the quartz glass at 760 ℃ for 60min, then putting the quartz glass into a CVD reaction system, introducing 380sccm of argon gas and 50sccm of acetylene gas, raising the temperature to 730 ℃, reacting for 3h, and naturally cooling to room temperature after the reaction is finished to obtain the spiral carbon nanowire;
2) sequentially weighing nano silicon dioxide powder accounting for 4% of the mass of the carbon nano wires and cellulose nano fiber powder accounting for 2.5% of the mass of the carbon nano wires, mixing the nano silicon dioxide powder and the cellulose nano fiber powder with the mass of the carbon nano wires to form a raw material, placing the raw material and the carbon nano wires into a planetary ball mill, carrying out ball milling and mixing for 5 hours at a rotating speed of 800r/min by using distilled water as a ball milling medium, wherein the mass ratio of the material to the ball to the water is 1:2.5:1, and placing the obtained wet mixture into a drying box to be dried for 15 hours at 120 ℃ to prepare a mixture;
3) adding 8wt% of cellulose nanofiber suspension into the mixture for mixing, wherein the content of cellulose nanofibers in the cellulose nanofiber suspension is 1.6wt%, then placing the mixture into a vacuum container, vacuumizing to 20Pa, vacuumizing for 30min, after the treatment is finished, transferring the mixture into a drying oven, drying for 25h at 120 ℃, then placing the dried mixture into a horizontal tube furnace, heating to 1650 ℃ under the flowing argon atmosphere, sintering for 5h, after the sintering is finished, naturally cooling to room temperature, and performing oscillation screening on the obtained product to obtain the toughening type carbon nanowire aggregates with the particle size of 250 micrometers;
4) weighing 50g of toughened carbon nanowire aggregate, ultrasonically dispersing in 50L of deionized water, weighing 1.3g of dopamine hydrochloride, adding into the dispersion, adjusting the pH value of the solution to 8 by adding tris (hydroxymethyl) aminomethane, stirring the mixture at 35 ℃ and 350rpm for 50min, filtering by using a filter membrane after the reaction is finished, repeatedly filtering, washing by using water, and drying in a vacuum oven at 60 ℃ for 15h to obtain the pretreated toughened carbon nanowire aggregate;
5) the recombined bamboo is used as a bearing panel, the polyethylene glycol terephthalate foam is used as a core plate, the glass fiber cloth is used as an interlayer, the pretreated toughened carbon nanowire aggregate is used as a laying layer, and the glue coating amount of the epoxy resin adhesive is controlled to be 150g/m2Uniformly laying the pretreated toughened carbon nanowire aggregate on the surface of the recombined bamboo in a thin manner, then coating epoxy resin adhesive on the glass fiber cloth, stacking the pretreated toughened carbon nanowire aggregate and the epoxy resin adhesive, and then uniformly laying a layer of pretreated toughened carbon nanowire aggregate on the glass fiber cloth in a thin mannerCoating epoxy resin adhesive on a core board made of polyethylene terephthalate foam, stacking the core board and the epoxy resin adhesive, repeating the steps in the same manner, stacking the recombined bamboo-glass fiber cloth-polyethylene terephthalate foam-glass fiber cloth-recombined bamboo in sequence, and placing the stack in a preheated plate vulcanizing machine for hot-pressing curing at a hot-pressing temperature of 130 ℃, a gauge pressure of 3MPa and a hot-pressing time of 15min to obtain the required anti-bending insulation board.
Comparative example 1:
the spiral carbon nano wire is not toughened, and the specific processing method comprises the following steps:
1) taking ferric sulfate/tin carbide mixed solution as a precursor, wherein the molar ratio of iron to tin is 70:1, then taking 20mL of mixed solution to be dropped on quartz glass, drying the quartz glass on a heater at 60 ℃, then calcining the quartz glass at 760 ℃ for 60min, then putting the quartz glass into a CVD reaction system, introducing 380sccm of argon gas and 50sccm of acetylene gas, raising the temperature to 730 ℃, reacting for 3h, and naturally cooling to room temperature after the reaction is finished to obtain the spiral carbon nanowire;
2) weighing 50g of spiral carbon nano wire, ultrasonically dispersing in 50L of deionized water, weighing 1.3g of dopamine hydrochloride, adding into the dispersion, adjusting the pH value of the solution to 8 by adding tris (hydroxymethyl) aminomethane, stirring the mixture at 35 ℃ and 350rpm for 50min, filtering by using a filter membrane after the reaction is finished, repeatedly filtering water, washing, and drying in a vacuum oven at 60 ℃ for 15h to obtain the pretreated carbon nano wire;
3) the recombined bamboo is used as a bearing panel, the polyethylene glycol terephthalate foam is used as a core board, the glass fiber cloth is used as an interlayer, the pretreated carbon nanowires are used as a laying layer, and the glue coating amount of the epoxy resin adhesive is controlled to be 150g/m2Uniformly laying the pretreated carbon nanowires on the surface of the recombined bamboo in a thin manner, then coating epoxy resin adhesive on the glass fiber cloth, stacking the pretreated carbon nanowires on the glass fiber cloth, then uniformly laying a layer of the pretreated carbon nanowires in a thin manner, coating the epoxy resin adhesive on the polyethylene glycol terephthalate foam as a core plate, stacking the pretreated carbon nanowires and the core plate, and repeating the steps until the recombined bamboo, the glass fiber cloth, the polyethylene glycol terephthalate foam, the glass fiber cloth and the recombined bamboo are stackedAnd (5) stacking, placing in a preheated flat vulcanizing machine for hot-pressing and curing, wherein the hot-pressing temperature is 130 ℃, the gauge pressure is 3MPa, and the hot-pressing time is 15min, so that the required insulation board can be obtained.
Comparative example 2:
the toughening treatment process does not need vacuum pumping treatment, and the specific processing method comprises the following steps:
1) taking ferric sulfate/tin carbide mixed solution as a precursor, wherein the molar ratio of iron to tin is 70:1, then taking 20mL of mixed solution to be dropped on quartz glass, drying the quartz glass on a heater at 60 ℃, then calcining the quartz glass at 760 ℃ for 60min, then putting the quartz glass into a CVD reaction system, introducing 380sccm of argon gas and 50sccm of acetylene gas, raising the temperature to 730 ℃, reacting for 3h, and naturally cooling to room temperature after the reaction is finished to obtain the spiral carbon nanowire;
2) sequentially weighing nano silicon dioxide powder accounting for 4% of the mass of the carbon nano wires and cellulose nano fiber powder accounting for 2.5% of the mass of the carbon nano wires, mixing the nano silicon dioxide powder and the cellulose nano fiber powder with the mass of the carbon nano wires to form a raw material, placing the raw material and the carbon nano wires into a planetary ball mill, carrying out ball milling and mixing for 5 hours at a rotating speed of 800r/min by using distilled water as a ball milling medium, wherein the mass ratio of the material to the ball to the water is 1:2.5:1, and placing the obtained wet mixture into a drying box to be dried for 15 hours at 120 ℃ to prepare a mixture;
3) adding 8wt% of cellulose nanofiber suspension into the mixture for mixing, wherein the content of cellulose nanofibers in the cellulose nanofiber suspension is 1.6wt%, transferring the cellulose nanofiber suspension into a drying oven, drying for 25h at 120 ℃, placing the cellulose nanofiber suspension into a horizontal tubular furnace, heating to 1650 ℃ under the flowing argon atmosphere, sintering for 5h, naturally cooling to room temperature after the sintering is finished, and carrying out oscillation screening on the obtained product to obtain the toughened carbon nanowire aggregate with the particle size of 250 micrometers;
4) weighing 50g of toughened carbon nanowire aggregate, ultrasonically dispersing in 50L of deionized water, weighing 1.3g of dopamine hydrochloride, adding into the dispersion, adjusting the pH value of the solution to 8 by adding tris (hydroxymethyl) aminomethane, stirring the mixture at 35 ℃ and 350rpm for 50min, filtering by using a filter membrane after the reaction is finished, repeatedly filtering, washing by using water, and drying in a vacuum oven at 60 ℃ for 15h to obtain the pretreated toughened carbon nanowire aggregate;
5) the recombined bamboo is used as a bearing panel, the polyethylene glycol terephthalate foam is used as a core plate, the glass fiber cloth is used as an interlayer, the pretreated toughened carbon nanowire aggregate is used as a laying layer, and the glue coating amount of the epoxy resin adhesive is controlled to be 150g/m2Uniformly laying the thin pretreated toughened carbon nanowire aggregate on the surface of the recombined bamboo, then coating epoxy resin adhesive on the glass fiber cloth, stacking the glass fiber cloth and the epoxy resin adhesive, then uniformly laying a layer of the thin pretreated toughened carbon nanowire aggregate on the glass fiber cloth, coating the epoxy resin adhesive on the polyethylene terephthalate foam as a core plate, stacking the glass fiber cloth and the core plate, repeating the steps, stacking the recombined bamboo-the glass fiber cloth-the polyethylene terephthalate foam-the glass fiber cloth-the recombined bamboo in sequence, and placing the recombined bamboo-the glass fiber cloth-the recombined bamboo in a preheated plate vulcanizing machine for hot-pressing and curing, wherein the hot-pressing temperature is 130 ℃, the gauge pressure is 3MPa, and the hot-pressing time is 15min, so that the required insulation board can be obtained.
Comparative example 3:
the surface of the toughened carbon nanowire aggregate is not introduced with a polar group, and the specific processing method comprises the following steps:
1) taking ferric sulfate/tin carbide mixed solution as a precursor, wherein the molar ratio of iron to tin is 70:1, then taking 20mL of mixed solution to be dropped on quartz glass, drying the quartz glass on a heater at 60 ℃, then calcining the quartz glass at 760 ℃ for 60min, then putting the quartz glass into a CVD reaction system, introducing 380sccm of argon gas and 50sccm of acetylene gas, raising the temperature to 730 ℃, reacting for 3h, and naturally cooling to room temperature after the reaction is finished to obtain the spiral carbon nanowire;
2) sequentially weighing nano silicon dioxide powder accounting for 4% of the mass of the carbon nano wires and cellulose nano fiber powder accounting for 2.5% of the mass of the carbon nano wires, mixing the nano silicon dioxide powder and the cellulose nano fiber powder with the mass of the carbon nano wires to form a raw material, placing the raw material and the carbon nano wires into a planetary ball mill, carrying out ball milling and mixing for 5 hours at a rotating speed of 800r/min by using distilled water as a ball milling medium, wherein the mass ratio of the material to the ball to the water is 1:2.5:1, and placing the obtained wet mixture into a drying box to be dried for 15 hours at 120 ℃ to prepare a mixture;
3) adding 8wt% of cellulose nanofiber suspension into the mixture for mixing, wherein the content of cellulose nanofibers in the cellulose nanofiber suspension is 1.6wt%, then placing the mixture into a vacuum container, vacuumizing to 20Pa, vacuumizing for 30min, after the treatment is finished, transferring the mixture into a drying oven, drying for 25h at 120 ℃, then placing the dried mixture into a horizontal tube furnace, heating to 1650 ℃ under the flowing argon atmosphere, sintering for 5h, after the sintering is finished, naturally cooling to room temperature, and performing oscillation screening on the obtained product to obtain the toughening type carbon nanowire aggregates with the particle size of 250 micrometers;
4) the recombined bamboo is used as a bearing panel, the polyethylene glycol terephthalate foam is used as a core plate, the glass fiber cloth is used as an interlayer, the toughened carbon nanowire aggregate is used as a laying layer, and the glue coating amount of the epoxy resin adhesive is controlled to be 150g/m2The method comprises the steps of uniformly laying toughened carbon nanowire aggregates on the surface of recombined bamboo in a thin mode, then coating epoxy resin adhesives on glass fiber cloth, stacking the toughened carbon nanowire aggregates on the glass fiber cloth, then uniformly laying a layer of toughened carbon nanowire aggregates on the glass fiber cloth in a thin mode, coating epoxy resin adhesives on a polyethylene glycol terephthalate foam core board, stacking the toughened carbon nanowire aggregates and the polyethylene glycol terephthalate foam core board, repeating the steps, stacking the recombined bamboo-glass fiber cloth-polyethylene glycol terephthalate foam-glass fiber cloth-recombined bamboo in sequence, placing the recombined bamboo in a preheated plate vulcanizing machine for hot-pressing curing, and obtaining the required insulation board, wherein the hot-pressing temperature is 130 ℃, the gauge pressure is 3MPa, and the hot-pressing time is 15 min.
Control group:
the wooden structure heat-insulation board in the prior art has the following specific processing method:
the recombined bamboo is used as a bearing panel, the polyethylene glycol terephthalate foam is used as a core board, the glass fiber cloth is used as an interlayer, and the glue coating amount of the epoxy resin adhesive is controlled to be 150g/m2And all the layers are coated with epoxy resin adhesives respectively, the recombined bamboo coated with the epoxy resin adhesives, polyethylene terephthalate foam and glass fiber cloth are sequentially stacked according to the recombined bamboo-glass fiber cloth-polyethylene terephthalate foam-glass fiber cloth-recombined bamboo, and are placed in a preheated flat vulcanizing machine for hot pressing and curing, wherein the hot pressing temperature is 130 ℃, the gauge pressure is 3MPa, and the hot pressing time is 15min, so that the required insulation board can be obtained.
Test experiments:
firstly, cutting the heat-insulating plate prepared by the processing into the size of 300mm multiplied by 20mm, and marking as m 1; respectively soaking in a constant-temperature water bath kettle at the temperature of 60 ℃ for 3 hours, taking out a sample, placing the sample in a 60 ℃ blast oven, weighing the sample at intervals of 12 hours, recording the weight as m2 until m2 is not more than m1, stopping drying, and taking out the sample to test the bending strength and the bonding strength;
the bending strength test adopts a universal testing machine, the test is carried out according to GB/T1936.1-2009 bending strength test method for wood, 10 test samples are obtained in each group, the final bending strength is averaged, the test speed is 5mm/min, and the test is finished when the fracture percentage reaches 40%;
the bonding strength test is carried out by adopting a universal tester according to GB/T17657-2013 physicochemical property test method for artificial boards and decorative artificial boards, wherein 10 test samples are obtained in each group, and the final bonding strength is averaged;
the flexural strength values and the bond strength values were recorded for each sample with the following results:
example 1: the bending strength value is 20.5MPa, and the bonding strength value is 0.58 MPa;
example 2: the bending strength value is 23.6MPa, and the bonding strength value is 0.79 MPa;
compared with the embodiment 1, the bending strength of the heat-insulating plate is improved by 15.1%, the bonding strength of the heat-insulating plate is improved by 36.2%, the hot pressing time and the glue coating amount have certain influence on the performance of the heat-insulating plate in the processing process of the heat-insulating plate on the surface, and the bending strength and the bonding strength of the heat-insulating plate can be improved to a certain extent when the hot pressing time is properly prolonged and the glue coating amount is improved;
comparative example 1: the bending strength value is 20.7MPa, and the bonding strength value is 0.77 MPa;
comparative example 2: the bending strength value is 21.3MPa, and the bonding strength value is 0.78 MPa;
comparative example 3: the bending strength value is 22.8MPa, and the bonding strength value is 0.62 MPa;
control group: the bending strength value is 19.2MPa, and the bonding strength value is 0.81 MPa;
compared with the embodiment 2 in the comparative example 1, the bonding strength is not obviously changed, and the bending strength is reduced by 12.3%, which shows that the toughness of the carbon nanofiber can be further enhanced by toughening the spiral carbon nanofiber, so that the bending strength of the insulation board is improved; compared with the embodiment 2, the bonding strength is not obviously changed, the bending strength is reduced by 9.7%, and the method shows that the cellulose fibers and the silicon source particles can be promoted to be embedded into the surface defects of the carbon nanowires through vacuumizing treatment, and the defects of the carbon nanowires are filled through sintering, so that the structural integrity of the carbon nanowires is improved, and the toughness of the carbon nanowires is improved; compared with the embodiment 2 in the comparative example 3, the bending strength change is not obvious, and the bonding strength is reduced by 21.5%, which shows that the compatibility between the toughened carbon nanowire aggregate and the epoxy resin adhesive can be improved and the interaction force between the toughened carbon nanowire aggregate and the epoxy resin adhesive is increased by treating the toughened carbon nanowire aggregate with polydopamine, so that the phenomenon of insufficient bonding strength of the insulation board can be avoided.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention.
Claims (9)
1. The bending-resistant heat-insulation board for the wall is characterized in that the heat-insulation board processing method comprises the following steps:
alternately inserting the laying layers into a wood structure heat insulation board consisting of the face plate, the core plate and the interlayer;
the laying layer is composed of pretreated toughened carbon nanowire aggregates;
the pretreated toughened carbon nanowire aggregate is obtained by introducing polar groups into the surface of the toughened carbon nanowire aggregate;
the toughening type carbon nanowire aggregate is obtained by taking a mixed solution of an iron source and a tin source as a precursor and adopting a chemical vapor deposition method to obtain a product and then toughening the product by using cellulose fibers and silicon source particles.
2. The anti-bending insulation board for the wall body as claimed in claim 1, wherein the grain size of the toughened carbon nanowire agglomerates is 100-250 μm.
3. A bending-resistant heat-insulating board for walls according to claim 1, wherein the molar ratio of iron to tin in the mixed liquid is 60-70: 1.
4. The anti-bending insulation board for the wall body as claimed in claim 1, wherein in the chemical vapor deposition method, the flow rate of the transport gas is 230-380sccm, and the flow rate of the reaction gas is 30-50 sccm.
5. The anti-bending insulation board for the wall body as claimed in claim 1, wherein in the chemical vapor deposition method, the reaction temperature is 710-.
6. A bending-resistant insulation board for walls according to claim 1, wherein the toughening treatment is blending, vacuuming, drying and sintering.
7. A bending-resistant insulation board for walls according to claim 6, wherein in the blending process, the dosage of the cellulose fiber accounts for 3.0-4.0% of the mass of the obtained product, and the dosage of the silicon source particles accounts for 0.5-2.5% of the mass of the obtained product.
8. A bending-resistant insulation board for walls according to claim 6, wherein in the vacuum-pumping treatment, the vacuum-pumping is performed for 10-30min to 2-20 Pa.
9. The anti-bending insulation board for the wall body as claimed in claim 6, wherein the sintering adopts a horizontal tube furnace, and the horizontal tube furnace is heated to 1600-1650 ℃ in argon atmosphere and is sintered for 2-5 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111450471.9A CN113944246A (en) | 2021-12-01 | 2021-12-01 | Anti-bending insulation board for wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111450471.9A CN113944246A (en) | 2021-12-01 | 2021-12-01 | Anti-bending insulation board for wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113944246A true CN113944246A (en) | 2022-01-18 |
Family
ID=79339157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111450471.9A Pending CN113944246A (en) | 2021-12-01 | 2021-12-01 | Anti-bending insulation board for wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113944246A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250486Y (en) * | 2008-06-05 | 2009-06-03 | 南京林业大学 | Heat-preservation and sound-proof board composited with single board and foam plastics |
| US20120149824A1 (en) * | 2009-08-21 | 2012-06-14 | Bayer Materialscience Ag | Carbon nanotube agglomerate |
| US20120264020A1 (en) * | 2010-10-07 | 2012-10-18 | Applied Sciences, Inc. | Method of depositing silicon on carbon nanomaterials |
| US20150210811A1 (en) * | 2014-01-29 | 2015-07-30 | Korea Advanced Institute Of Science And Technology | Carbon nanomaterial, carbon nanomaterial-polymer composite material, carbon fiber-carbon nanomaterial-polymer composite material, and methods of preparing the same |
| CN109535644A (en) * | 2018-11-15 | 2019-03-29 | 苏州宏久航空防热材料科技有限公司 | A kind of carbon foam/carbon nanocoils/silicon carbide nanometer line resin composite materials substrate and preparation method thereof |
| CN109666821A (en) * | 2019-02-14 | 2019-04-23 | 重庆大学 | A kind of titanium composite material and preparation method thereof |
| CN109867532A (en) * | 2019-04-15 | 2019-06-11 | 梁剑 | A kind of insulating board for building and preparation method thereof |
-
2021
- 2021-12-01 CN CN202111450471.9A patent/CN113944246A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250486Y (en) * | 2008-06-05 | 2009-06-03 | 南京林业大学 | Heat-preservation and sound-proof board composited with single board and foam plastics |
| US20120149824A1 (en) * | 2009-08-21 | 2012-06-14 | Bayer Materialscience Ag | Carbon nanotube agglomerate |
| US20120264020A1 (en) * | 2010-10-07 | 2012-10-18 | Applied Sciences, Inc. | Method of depositing silicon on carbon nanomaterials |
| US20150210811A1 (en) * | 2014-01-29 | 2015-07-30 | Korea Advanced Institute Of Science And Technology | Carbon nanomaterial, carbon nanomaterial-polymer composite material, carbon fiber-carbon nanomaterial-polymer composite material, and methods of preparing the same |
| CN109535644A (en) * | 2018-11-15 | 2019-03-29 | 苏州宏久航空防热材料科技有限公司 | A kind of carbon foam/carbon nanocoils/silicon carbide nanometer line resin composite materials substrate and preparation method thereof |
| CN109666821A (en) * | 2019-02-14 | 2019-04-23 | 重庆大学 | A kind of titanium composite material and preparation method thereof |
| CN109867532A (en) * | 2019-04-15 | 2019-06-11 | 梁剑 | A kind of insulating board for building and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111823681B (en) | Heat-insulation composite board and preparation method thereof | |
| CN106946551A (en) | A kind of graphene/carbon nano-tube strengthens the preparation method of alumina ceramic coating | |
| CN108947392B (en) | Low-carbon environment-friendly high-elasticity mold fine home decoration mortar and preparation method thereof | |
| CN111844962B (en) | Ceramic fiber reinforced aerogel felt and preparation method thereof | |
| CN107602127A (en) | SiC hollow sphere and preparation method thereof | |
| CN113956000A (en) | Cement kiln tail gas carbonization building prefabricated product and preparation method thereof | |
| CN115093173A (en) | Oil well set cement microstructure bionic reinforcing and toughening regulation and control method, cement paste system and application | |
| CN112125570A (en) | Admixture for shotcrete and preparation method and application thereof | |
| CN100422261C (en) | Cyanate resin/ carbon fiber composite material and its preparing process | |
| CN108793935A (en) | Prefabricated siccative gunite concrete | |
| CN109626893B (en) | Cement ceiling board with electromagnetic shielding function and semi-dry method preparation process thereof | |
| CN115073107A (en) | Impact-resistant corrosion-resistant environment-friendly mortar and preparation method thereof | |
| CN105219145A (en) | A kind of high temperature resistant infrared external reflection thermal insulation material and preparation method thereof | |
| CN111196706A (en) | Heat-insulating mortar material for building and preparation method thereof | |
| CN113944246A (en) | Anti-bending insulation board for wall | |
| CN106830798A (en) | A kind of alkali-activated carbonatite glue and its application in concrete strengthening | |
| CN112679174B (en) | Non-autoclaved energy-saving plate and preparation process thereof | |
| CN110077051B (en) | Preparation method of sandwich composite material for bulletproof armor plate | |
| CN112049278A (en) | Waterproof building external wall heat insulation structure and construction method thereof | |
| CN106750421A (en) | A kind of phenolic resin enhancing composite and preparation method thereof | |
| CN116120082A (en) | Corrosion-resistant domestic ceramic and preparation method thereof | |
| CN115521130A (en) | Environment-friendly fly ash thermal insulation material and preparation method thereof | |
| CN114059737A (en) | Curtain wall imitating thermal insulation decorative external wall panel construction process | |
| CN113816771A (en) | Structure and preparation method of porous silicon nitride ceramic surface coating | |
| CN115159926B (en) | Crack-resistant micro-cement with low shrinkage rate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220118 |
|
| WD01 | Invention patent application deemed withdrawn after publication |