CN109180122B - Gypsum mould of high bending toughness - Google Patents
Gypsum mould of high bending toughness Download PDFInfo
- Publication number
- CN109180122B CN109180122B CN201811054988.4A CN201811054988A CN109180122B CN 109180122 B CN109180122 B CN 109180122B CN 201811054988 A CN201811054988 A CN 201811054988A CN 109180122 B CN109180122 B CN 109180122B
- Authority
- CN
- China
- Prior art keywords
- aluminum silicate
- silicate fiber
- nano tube
- carbon nano
- modified carbon
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1037—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Catalysts (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention discloses a high-bending-toughness gypsum mold, and relates to the technical field of gypsum products.
Description
Technical Field
The invention belongs to the technical field of gypsum products, and particularly relates to a gypsum mold with high bending toughness.
Background
The gypsum mould is a traditional mould used for a long time in the production of the ceramic industry, the gypsum mould is convenient to manufacture, the raw material source is wide, the cost is low, the water absorption performance is good, the mould is light in weight, the mould can be recycled, the environment is not easily polluted, and particularly, clear edges and corners and lines can be flexibly and conveniently copied.
Disclosure of Invention
The invention aims to provide a gypsum mould with high bending toughness aiming at the existing problems.
The invention is realized by the following technical scheme:
the gypsum mold with high bending toughness is prepared by doping gypsum mold with alumina silicate fiber of grafted and modified carbon nano tube, wherein the volume doping amount of the alumina silicate fiber of the grafted and modified carbon nano tube is 1.02-1.06kg/m for carrying out high-speed transportation.
Further, the preparation method of the aluminum silicate fiber of the grafted modified carbon nano tube comprises the following steps:
(1) pretreatment of aluminum silicate fibers: putting the aluminum silicate fibers into the treatment liquid for dipping treatment, then heating to 60-65 ℃, stirring for 2 hours at the rotating speed of 350r/min, then filtering, washing by using deionized water, and drying to constant weight to obtain the pretreated aluminum silicate fibers; the treatment fluid is prepared from the following components in parts by weight: 1.5-2.2 parts of silane coupling agent, 1-3 parts of ethanol, 2-4 parts of glycerol, 1-4 parts of sodium acrylate and 60-65 parts of deionized water;
(2) modification of carbon nanotubes: mixing 20g of fatty alcohol-polyoxyethylene ether sodium sulfate: uniformly dispersing 150mL of the modified carbon nano tube into castor oil, heating to 280 ℃ in a nitrogen atmosphere, preserving heat, stirring for 35min, adding a carbon nano tube with the mass of 20% of the castor oil, stirring at the rotating speed of 1800r/min for 2 hours, performing suction filtration, cleaning with absolute ethyl alcohol, and drying to constant weight to obtain the modified carbon nano tube;
(3) graft modification: immersing the pretreated aluminum silicate fiber obtained in the above step into a dopamine hydrochloride solution, adding trihydroxymethyl aminomethane accounting for 0.12% of the mass of the aluminum silicate fiber and the modified carbon nano tube accounting for 1.5-1.8%, performing ultrasonic treatment for 1.5 hours, reacting for 5 hours at a water bath temperature of 85 ℃, performing suction filtration and washing to neutrality, and performing vacuum drying to constant weight to obtain the aluminum silicate fiber.
Further, the preparation method of the aluminum silicate fiber comprises the following steps: mixing kaolin, alumina and quartz sandstone according to the mass ratio of 1.2:1.9:1.1, adding into a resistance electric furnace, melting at 2210 ℃ at high temperature, discharging the melt from the furnace in a fine flow manner, and blowing the melt onto a high-speed airflow to form fibrosis, thus obtaining the high-temperature-resistant high-performance ceramic fiber.
Furthermore, the diameter of the aluminum silicate fiber is 8 μm, and the length of the aluminum silicate fiber is 2.5 mm.
Further, the mixing ratio of the pretreated aluminum silicate fibers to the dopamine hydrochloride solution is 50 g: 400 mL.
Further, the concentration of the dopamine hydrochloride solution is 1.2 mol/L.
Further, the ultrasonic frequency is 50kHz, and the power is 1200W.
Further, the vacuum drying temperature is 46 ℃.
Has the advantages that: the invention can effectively and obviously improve the surface activity of the aluminum silicate fiber by carrying out surface pretreatment on the aluminum silicate fiber, forms a certain amount of active groups on the surface of the aluminum silicate fiber, then increases surface dangling bonds of the carbon nano tube by carrying out modification treatment on the carbon nano tube, improves the dispersion property and the easy grafting property of the carbon nano tube in a medium, then immerses the pretreated aluminum silicate fiber in a dopamine hydrochloride solution, then adds trihydroxymethyl aminomethane and the modified carbon nano tube, carries the uniformly dispersed modified carbon nano tube through the autopolymerization reaction of dopamine on the surface of the pretreated aluminum silicate fiber, forms a layer of compact polydopamine film on the surface of the aluminum silicate fiber, leads the polydopamine film to be in contact with the aluminum silicate fiber in a covalent bond mode through the synergistic action of the trihydroxymethyl aminomethane, and obviously improves the adhesion of the polydopamine film, meanwhile, the poly dopamine surface has a plurality of functional groups such as amino, hydroxyl and the like to promote the surface activation of the aluminum silicate fiber, and the high activity of the re-surface of the modified carbon nano tube is added, so that the aluminum silicate fiber doped gypsum mold of the grafted modified carbon nano tube has excellent toughness, the toughness represents the capacity of the material for absorbing energy in the plastic deformation and fracture process, the toughness is better, the possibility of brittle fracture is lower, the bending resistance toughness of a gypsum model can be greatly improved by doping the aluminum silicate fiber of the grafted modified carbon nano tube, the capacity of the gypsum matrix for absorbing energy in the tension process is improved, the brittleness of the gypsum matrix is reduced, the toughness is increased, because when the load is smaller, the fiber and the gypsum matrix bear the load together through bonding, and when the load is continuously increased to achieve the initial fission of the gypsum, because the aluminum silicate fiber of the grafted modified carbon nano tube is formed between the gypsum model and the gypsum matrix material The stable cross-linked network structure enables the fibers to transfer energy across the microcracks and the interface, thereby increasing the fracture energy of the gypsum, improving the toughness of the gypsum matrix and reducing the brittleness.
Detailed Description
Example 1
The gypsum mold with high bending toughness is prepared by doping gypsum mold with alumina silicate fiber of a grafting modified carbon nano tube, wherein the volume doping amount of the alumina silicate fiber of the grafting modified carbon nano tube is 1.02kg/m in high-speed plantation.
Further, the preparation method of the aluminum silicate fiber of the grafted modified carbon nano tube comprises the following steps:
(1) pretreatment of aluminum silicate fibers: putting the aluminum silicate fibers into the treatment liquid for dipping treatment, then heating to 60 ℃, stirring for 2 hours at the rotating speed of 350r/min, then filtering, cleaning by using deionized water, and drying to constant weight to obtain the pretreated aluminum silicate fibers; the treatment fluid is prepared from the following components in parts by weight: 1.5 parts of silane coupling agent, 1 part of ethanol, 2 parts of glycerol, 1 part of sodium acrylate and 60 parts of deionized water;
(2) modification of carbon nanotubes: mixing 20g of fatty alcohol-polyoxyethylene ether sodium sulfate: uniformly dispersing 150mL of the modified carbon nano tube into castor oil, heating to 280 ℃ in a nitrogen atmosphere, preserving heat, stirring for 35min, adding a carbon nano tube with the mass of 20% of the castor oil, stirring at the rotating speed of 1800r/min for 2 hours, performing suction filtration, cleaning with absolute ethyl alcohol, and drying to constant weight to obtain the modified carbon nano tube;
(3) graft modification: immersing the pretreated aluminum silicate fiber obtained in the above step into a dopamine hydrochloride solution, adding trihydroxymethyl aminomethane accounting for 0.12% of the mass of the aluminum silicate fiber and the modified carbon nano tube accounting for 1.5% of the mass of the aluminum silicate fiber, performing ultrasonic treatment for 1.5 hours, reacting for 5 hours at a water bath temperature of 85 ℃, performing suction filtration and washing to neutrality, and performing vacuum drying to constant weight to obtain the aluminum silicate fiber modified carbon nano tube.
Further, the preparation method of the aluminum silicate fiber comprises the following steps: mixing kaolin, alumina and quartz sandstone according to the mass ratio of 1.2:1.9:1.1, adding into a resistance electric furnace, melting at 2210 ℃ at high temperature, discharging the melt from the furnace in a fine flow manner, and blowing the melt onto a high-speed airflow to form fibrosis, thus obtaining the high-temperature-resistant high-performance ceramic fiber.
Furthermore, the diameter of the aluminum silicate fiber is 8 μm, and the length of the aluminum silicate fiber is 2.5 mm.
Further, the mixing ratio of the pretreated aluminum silicate fibers to the dopamine hydrochloride solution is 50 g: 400 mL.
Further, the concentration of the dopamine hydrochloride solution is 1.2 mol/L.
Further, the ultrasonic frequency is 50kHz, and the power is 1200W.
Further, the vacuum drying temperature is 46 ℃.
Example 2
The gypsum mold with high bending toughness is prepared by doping gypsum mold with alumina silicate fiber of a grafting modified carbon nano tube, wherein the volume doping amount of the alumina silicate fiber of the grafting modified carbon nano tube is 1.06kg/m in high-speed plantation.
Further, the preparation method of the aluminum silicate fiber of the grafted modified carbon nano tube comprises the following steps:
(1) pretreatment of aluminum silicate fibers: putting the aluminum silicate fibers into the treatment liquid for dipping treatment, then heating to 65 ℃, stirring for 2 hours at the rotating speed of 350r/min, then filtering, washing by using deionized water, and drying to constant weight to obtain the pretreated aluminum silicate fibers; the treatment fluid is prepared from the following components in parts by weight: 2.2 parts of a silane coupling agent, 3 parts of ethanol, 4 parts of glycerol, 4 parts of sodium acrylate and 65 parts of deionized water;
(2) modification of carbon nanotubes: mixing 20g of fatty alcohol-polyoxyethylene ether sodium sulfate: uniformly dispersing 150mL of the modified carbon nano tube into castor oil, heating to 280 ℃ in a nitrogen atmosphere, preserving heat, stirring for 35min, adding a carbon nano tube with the mass of 20% of the castor oil, stirring at the rotating speed of 1800r/min for 2 hours, performing suction filtration, cleaning with absolute ethyl alcohol, and drying to constant weight to obtain the modified carbon nano tube;
(3) graft modification: immersing the pretreated aluminum silicate fiber obtained in the above step into a dopamine hydrochloride solution, adding trihydroxymethyl aminomethane accounting for 0.12% of the mass of the aluminum silicate fiber and the modified carbon nano tube accounting for 1.8% of the mass of the aluminum silicate fiber, performing ultrasonic treatment for 1.5 hours, reacting for 5 hours at a water bath temperature of 85 ℃, performing suction filtration and washing to neutrality, and performing vacuum drying to constant weight to obtain the aluminum silicate fiber.
Further, the preparation method of the aluminum silicate fiber comprises the following steps: mixing kaolin, alumina and quartz sandstone according to the mass ratio of 1.2:1.9:1.1, adding into a resistance electric furnace, melting at 2210 ℃ at high temperature, discharging the melt from the furnace in a fine flow manner, and blowing the melt onto a high-speed airflow to form fibrosis, thus obtaining the high-temperature-resistant high-performance ceramic fiber.
Furthermore, the diameter of the aluminum silicate fiber is 8 μm, and the length of the aluminum silicate fiber is 2.5 mm.
Further, the mixing ratio of the pretreated aluminum silicate fibers to the dopamine hydrochloride solution is 50 g: 400 mL.
Further, the concentration of the dopamine hydrochloride solution is 1.2 mol/L.
Further, the ultrasonic frequency is 50kHz, and the power is 1200W.
Further, the vacuum drying temperature is 46 ℃.
Example 3
The gypsum mold with high bending toughness is prepared by doping gypsum mold with alumina silicate fiber of a grafting modified carbon nano tube, wherein the volume doping amount of the alumina silicate fiber of the grafting modified carbon nano tube is 1.05kg/m in high-speed plantation.
Further, the preparation method of the aluminum silicate fiber of the grafted modified carbon nano tube comprises the following steps:
(1) pretreatment of aluminum silicate fibers: putting the aluminum silicate fibers into the treatment liquid for dipping treatment, then heating to 62 ℃, stirring for 2 hours at the rotating speed of 350r/min, then filtering, cleaning by using deionized water, and drying to constant weight to obtain the pretreated aluminum silicate fibers; the treatment fluid is prepared from the following components in parts by weight: 1.8 parts of silane coupling agent, 2 parts of ethanol, 3 parts of glycerol, 3 parts of sodium acrylate and 62 parts of deionized water;
(2) modification of carbon nanotubes: mixing 20g of fatty alcohol-polyoxyethylene ether sodium sulfate: uniformly dispersing 150mL of the modified carbon nano tube into castor oil, heating to 280 ℃ in a nitrogen atmosphere, preserving heat, stirring for 35min, adding a carbon nano tube with the mass of 20% of the castor oil, stirring at the rotating speed of 1800r/min for 2 hours, performing suction filtration, cleaning with absolute ethyl alcohol, and drying to constant weight to obtain the modified carbon nano tube;
(3) graft modification: immersing the pretreated aluminum silicate fiber obtained in the above step into a dopamine hydrochloride solution, adding trihydroxymethyl aminomethane accounting for 0.12% of the mass of the aluminum silicate fiber and the modified carbon nano tube accounting for 1.6% of the mass of the aluminum silicate fiber, performing ultrasonic treatment for 1.5 hours, reacting for 5 hours at a water bath temperature of 85 ℃, performing suction filtration and washing to neutrality, and performing vacuum drying to constant weight to obtain the aluminum silicate fiber.
Further, the preparation method of the aluminum silicate fiber comprises the following steps: mixing kaolin, alumina and quartz sandstone according to the mass ratio of 1.2:1.9:1.1, adding into a resistance electric furnace, melting at 2210 ℃ at high temperature, discharging the melt from the furnace in a fine flow manner, and blowing the melt onto a high-speed airflow to form fibrosis, thus obtaining the high-temperature-resistant high-performance ceramic fiber.
Furthermore, the diameter of the aluminum silicate fiber is 8 μm, and the length of the aluminum silicate fiber is 2.5 mm.
Further, the mixing ratio of the pretreated aluminum silicate fibers to the dopamine hydrochloride solution is 50 g: 400 mL.
Further, the concentration of the dopamine hydrochloride solution is 1.2 mol/L.
Further, the ultrasonic frequency is 50kHz, and the power is 1200W.
Further, the vacuum drying temperature is 46 ℃.
Comparative example 1: the only difference from example 1 was that the aluminosilicate fibers grafted with modified carbon nanotubes were replaced with untreated aluminosilicate fibers.
Comparative example 2: the only difference from example 1 is that the alumina silicate fiber grafted with the modified carbon nanotubes was replaced with the pretreated alumina silicate fiber in step (1).
Comparative example 3: the only difference from example 1 is that the carbon nanotubes were not modified when the alumina silicate fiber grafted with the modified carbon nanotubes was prepared.
Control group: the only difference from example 1 is that the aluminosilicate fibers grafted with modified carbon nanotubes are replaced by an equal amount of unmodified polypropylene fibers.
The samples of 40mm multiplied by 120mm are cast and molded by adopting the same mould in the examples and the comparative examples, after demoulding, the test blocks are vertically placed, the flexural strength is measured for 1.8h, and the results are shown in table 1;
TABLE 1
As can be seen from Table 1, the gypsum mold prepared by the invention has excellent flexural strength, and compared with polypropylene fibers, the gypsum mold prepared by the invention has better effect of improving the flexural strength of the gypsum mold by adopting aluminum silicate fibers.
The bending toughness is tested by adopting an MEW-40 wood universal tester, loading is carried out according to three-point, the loading speed is 0.8mm/min, the load-deflection is analyzed, and the load is 1 KN;
TABLE 2
As can be seen from Table 2, the bending toughness of the gypsum mold can be effectively improved by adding the alumina silicate fiber of the graft modified carbon nanotube.
Claims (1)
1. The gypsum mold with high bending toughness is characterized in that the gypsum mold is doped with alumina silicate fibers of grafted and modified carbon nanotubes, and the volume doping amount of the alumina silicate fibers of the grafted and modified carbon nanotubes is 1.02-1.06kg/m in a high-speed upward slope; the preparation method of the aluminum silicate fiber of the grafted modified carbon nano tube comprises the following steps:
(1) pretreatment of aluminum silicate fibers: putting the aluminum silicate fibers into the treatment liquid for dipping treatment, then heating to 60-65 ℃, stirring for 2 hours at the rotating speed of 350r/min, then filtering, washing by using deionized water, and drying to constant weight to obtain the pretreated aluminum silicate fibers; the treatment fluid is prepared from the following components in parts by weight: 1.5-2.2 parts of silane coupling agent, 1-3 parts of ethanol, 2-4 parts of glycerol, 1-4 parts of sodium acrylate and 60-65 parts of deionized water;
(2) modification of carbon nanotubes: mixing 20g of fatty alcohol-polyoxyethylene ether sodium sulfate: uniformly dispersing 150mL of the modified carbon nano tube into castor oil, heating to 280 ℃ in a nitrogen atmosphere, preserving heat, stirring for 35min, adding a carbon nano tube with the mass of 20% of the castor oil, stirring at the rotating speed of 1800r/min for 2 hours, performing suction filtration, cleaning with absolute ethyl alcohol, and drying to constant weight to obtain the modified carbon nano tube;
(3) graft modification: immersing the pretreated aluminum silicate fiber obtained in the above step into a dopamine hydrochloride solution, adding trihydroxymethyl aminomethane accounting for 0.12 percent of the mass of the aluminum silicate fiber and the modified carbon nano tube accounting for 1.5 to 1.8 percent of the mass of the aluminum silicate fiber, performing ultrasonic treatment for 1.5 hours, reacting for 5 hours at a water bath temperature of 85 ℃, performing suction filtration and washing to neutrality, and performing vacuum drying to constant weight to obtain the modified aluminum silicate fiber; the preparation method of the aluminum silicate fiber comprises the following steps: mixing kaolin, alumina and quartz sandstone according to the mass ratio of 1.2:1.9:1.1, adding into a resistance electric furnace, melting at 2210 ℃ at high temperature, discharging the melt from the furnace in a fine flow manner, and blowing the melt onto a high-speed airflow to form fibrosis, thus obtaining the high-temperature-resistant high-performance ceramic fiber; the diameter of the aluminum silicate fiber is 8 mu m, and the length of the aluminum silicate fiber is 2.5 mm; the mixing ratio of the pretreated aluminum silicate fiber to the dopamine hydrochloride solution is 50 g: 400 mL; the concentration of the dopamine hydrochloride solution is 1.2 mol/L; the ultrasonic frequency is 50kHz, and the power is 1200W; the vacuum drying temperature was 46 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811054988.4A CN109180122B (en) | 2018-09-11 | 2018-09-11 | Gypsum mould of high bending toughness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811054988.4A CN109180122B (en) | 2018-09-11 | 2018-09-11 | Gypsum mould of high bending toughness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109180122A CN109180122A (en) | 2019-01-11 |
| CN109180122B true CN109180122B (en) | 2020-11-20 |
Family
ID=64915850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811054988.4A Active CN109180122B (en) | 2018-09-11 | 2018-09-11 | Gypsum mould of high bending toughness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109180122B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3987600A (en) * | 1975-12-10 | 1976-10-26 | United States Gypsum Company | Fire resistant doors |
| CN104129921A (en) * | 2014-08-19 | 2014-11-05 | 鹿成滨 | Aluminum silicate fiber and preparation method thereof |
| CN105503124A (en) * | 2015-12-15 | 2016-04-20 | 铜陵铜官府文化创意股份公司 | Aluminum silicate fiber plaster mold and preparing method thereof |
| CN105887469A (en) * | 2014-09-30 | 2016-08-24 | 天津科技大学 | Method for compositing nano particles on fiber surface |
| CN107189495A (en) * | 2017-06-29 | 2017-09-22 | 铜陵市永创变压器电子有限公司 | A kind of dopamine coats nano-silicon dioxide modified conductive and heat-conductive glass fiber compound material and preparation method thereof |
| CN107200332A (en) * | 2017-06-07 | 2017-09-26 | 常州诺澜复合材料有限公司 | A kind of preparation method of nano silicon |
-
2018
- 2018-09-11 CN CN201811054988.4A patent/CN109180122B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3987600A (en) * | 1975-12-10 | 1976-10-26 | United States Gypsum Company | Fire resistant doors |
| CN104129921A (en) * | 2014-08-19 | 2014-11-05 | 鹿成滨 | Aluminum silicate fiber and preparation method thereof |
| CN105887469A (en) * | 2014-09-30 | 2016-08-24 | 天津科技大学 | Method for compositing nano particles on fiber surface |
| CN105503124A (en) * | 2015-12-15 | 2016-04-20 | 铜陵铜官府文化创意股份公司 | Aluminum silicate fiber plaster mold and preparing method thereof |
| CN107200332A (en) * | 2017-06-07 | 2017-09-26 | 常州诺澜复合材料有限公司 | A kind of preparation method of nano silicon |
| CN107189495A (en) * | 2017-06-29 | 2017-09-22 | 铜陵市永创变压器电子有限公司 | A kind of dopamine coats nano-silicon dioxide modified conductive and heat-conductive glass fiber compound material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109180122A (en) | 2019-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109674087B (en) | Polymer-based cigarette filter tip material with excellent temperature control effect and preparation method thereof | |
| CN111423192B (en) | Method for improving deformation capacity of high-ductility concrete | |
| CN113861460B (en) | Basalt fiber/polypropylene composite material based on surface roughened interface enhancement and preparation method thereof | |
| CN111499929A (en) | Graphene-nano silver modified chitosan-cellulose antibacterial film and preparation method thereof | |
| CN113173749A (en) | Modified basalt fiber-containing cementing material and preparation method thereof | |
| CN109180122B (en) | Gypsum mould of high bending toughness | |
| CN114989560B (en) | High-performance composite material based on modified phenolic resin and preparation method thereof | |
| CN116675477A (en) | Graphene oxide modified low-whiskering low-carbon gelling material and preparation method thereof | |
| CN113999032A (en) | Silicon-boron-nitrogen fiber reinforced quartz ceramic material and preparation method thereof | |
| CN114643626A (en) | Preparation method and application of transparent poplar with super-hydrophobic property | |
| CN113953441A (en) | Starch modified silica sol and preparation method thereof | |
| CN106588082A (en) | Autoclaved aerated concrete block doped with phase change polypropylene fiber and preparation method of autoclaved aerated concrete block | |
| CN109650807B (en) | High-strength cement concrete prepared from modified fly ash and polymer and preparation method thereof | |
| CN113249087B (en) | High-conductivity antibacterial aldehyde-free adhesive and preparation method and application thereof | |
| CN115477516A (en) | Ultrahigh-performance concrete based on steel fiber surface modification and preparation method thereof | |
| CN114014326B (en) | White carbon black modification method and modified white carbon black | |
| Zhang et al. | Effect of carboxyl methyl cellulose on the adhesion properties of sodium silicate wood adhesive | |
| CN114105644A (en) | High-wear-resistance ceramic material and preparation method and application thereof | |
| CN113277770B (en) | Preparation method and application of modified flax fiber with enhancement effect | |
| CN113980426A (en) | Modified graphene toughened epoxy resin heat-resistant composite material and preparation method thereof | |
| CN111945460A (en) | Method for dispersing short carbon fibers and application | |
| CN111635128A (en) | Preparation method of high-strength cold-resistant modified glass wool fiber material | |
| Chen | Study on Mechanical and Thermal Performance of Building Energy-saving Wall with Insulation Materials | |
| CN112457626B (en) | Sound insulation board and preparation method thereof | |
| CN115321940A (en) | Preparation method of modified water glass combined white corundum sand mold |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |