CN110746794A - Preparation method of super-hydrophobic white carbon black - Google Patents
Preparation method of super-hydrophobic white carbon black Download PDFInfo
- Publication number
- CN110746794A CN110746794A CN201911055164.3A CN201911055164A CN110746794A CN 110746794 A CN110746794 A CN 110746794A CN 201911055164 A CN201911055164 A CN 201911055164A CN 110746794 A CN110746794 A CN 110746794A
- Authority
- CN
- China
- Prior art keywords
- carbon black
- white carbon
- coupling agent
- silane coupling
- super
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/28—Compounds of silicon
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/10—Treatment with macromolecular organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/12—Treatment with organosilicon compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention discloses a preparation method of super-hydrophobic white carbon black, which comprises the following steps of 1) mixing a silane coupling agent, an organic solvent and water according to the volume ratio of 1: 1-8: 1-2 to obtain a silane coupling agent modified solution; 2) adding the silane coupling agent modified solution obtained in the step 1) into the white carbon black suspension, and stirring for 0.5-24 hours at 50-90 ℃; adding a nonionic surfactant and a fluorine-containing high molecular polymer, and stirring for 0.5-20 h at 40-95 ℃ to obtain a composite modified white carbon black suspension; 3) filtering, drying and crushing the composite modified white carbon black suspension liquid obtained in the step 2) to obtain the super-hydrophobic white carbon black. According to the invention, the white carbon black is subjected to composite modification, the fluorine-containing high molecular polymer has low surface energy, and is firmly combined with the silane coupling agent in a covalent bond mode, so that the prepared modified white carbon black has good hydrophobic property, shows good compatibility and dispersibility in the application of rubber and tires, and improves the processing performance and mechanical property of products.
Description
Technical Field
The invention belongs to the technical field of preparation of white carbon black, and particularly relates to a preparation method of super-hydrophobic white carbon black.
Background
The white carbon black has the characteristics of large specific surface area, small particle size, good chemical stability, high temperature resistance, good electrical insulation performance and the like, is widely applied to industries such as rubber, tires, adhesives, coatings, plastics and the like, but has a large amount of active silicon hydroxyl on the surface, is easy to absorb water and aggregate into particles, causes poor compatibility and dispersibility in a high polymer matrix, and is limited in some application fields with functional requirements.
Application No. 2016106170255 discloses a preparation method of modified hydrophobic adsorption white carbon black, which modifies white carbon black through modifiers of sodium dodecyl sulfate and sodium dodecyl benzene sulfonate, but the hydrophobic effect is poor. Therefore, the proper modifier is selected to modify the white carbon black, so that the hydrophobicity and the dispersibility of the white carbon black are improved, and the white carbon black has great significance for the application of the white carbon black in products such as rubber, tires and the like.
Disclosure of Invention
The invention aims to provide a preparation method of super-hydrophobic white carbon black.
Based on the purpose, the invention adopts the following technical scheme:
the preparation method of the super-hydrophobic white carbon black comprises the following steps:
1) mixing a silane coupling agent, an organic solvent and water according to a volume ratio of 1: 1-8: 1-2 to obtain a silane coupling agent modified solution;
2) adding the silane coupling agent modified solution obtained in the step 1) into the white carbon black suspension, and stirring for 0.5-24 hours at 50-90 ℃; adding a nonionic surfactant and a fluorine-containing high molecular polymer, and stirring for 0.5-20 h at 40-95 ℃ to obtain a composite modified white carbon black suspension;
3) filtering, drying and crushing the composite modified white carbon black suspension liquid obtained in the step 2) to obtain the super-hydrophobic white carbon black.
And 2) the white carbon black suspension liquid has the mass concentration of 5-25%, and is prepared by dispersing white carbon black in water.
In the step 2), the mass of the silane coupling agent is 2-10% of that of the white carbon black; the mass of the nonionic surfactant is 0.5-5% of that of the white carbon black; the mass of the fluorine-containing high polymer is 1-8% of that of the white carbon black.
The fluorine-containing high molecular polymer in the step 2) is selected from heptadecafluorodecyltriethoxysilane, tridecafluorooctyltriethoxysilane, heptadecafluorodecyltripropoxysilane, nonafluorobutyl methyl ether and fluorinated ethoxylated polyurethane.
The silane coupling agent is selected from gamma-aminopropyltriethoxysilane, gamma- (2, 3-epoxypropoxy) propyltrimethoxysilane, gamma-methacryloxypropyltrimethoxysilane, N-2- (aminoethyl) -3-aminopropylmethyldimethoxysilane, N- β - (aminoethyl) -gamma-aminopropylmethyldimethoxysilane, N- β - (aminoethyl) -gamma-aminopropyltrimethoxysilane, gamma-aminopropylmethyldiethoxysilane, bis- (2- (triethoxysilane) propyl) -tetrasulfide, vinyltris (2-methoxyethoxy) silane, vinyltrimethoxysilane and vinyltriethoxysilane, and the organic solvent is selected from ethanol, propanol, N-butanol, isobutanol, cyclohexane, isohexane, toluene and xylene.
The nonionic surfactant is selected from alkylphenol ethoxylates, fatty alcohol-polyoxyethylene ethers, fatty acid methyl ester polyoxyethylene ethers and polysorbates.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the silane coupling agent is modified, Si-0H formed by hydrolysis of the silane coupling agent and OH adsorbed on the surface of white carbon black form hydrogen bonds, and under the combined action of the nonionic surfactant and the fluorine-containing high polymer, the white carbon black is subjected to composite modification, the fluorine-containing high polymer has low surface energy and is firmly combined with the silane coupling agent in a covalent bond form, white carbon black particles are completely wrapped, local exposure is prevented, the prepared modified white carbon black has good hydrophobic property, good compatibility and dispersibility are shown in the application of rubber and tires, and the processing property and the mechanical property of the product are improved.
Detailed Description
Example 1
Dispersing a certain amount of white carbon black in water to prepare 2000g of white carbon black suspension liquid with the mass concentration of 10%.
The preparation method of the super-hydrophobic white carbon black comprises the following steps:
1) taking 10g of silane coupling agent (gamma-aminopropyltriethoxysilane), mixing the silane coupling agent, absolute ethyl alcohol and water according to the volume ratio of 1: 3: 1, and carrying out hydrolysis reaction to obtain silane coupling agent modified liquid;
2) adding the silane coupling agent modified solution obtained in the step 1) into 2000g of white carbon black suspension, and stirring for 1.5 hours at the temperature of 60 ℃ and the stirring speed of 300 r/min; then adding 2g of alkylphenol polyoxyethylene and 6g of tridecafluorooctyltriethoxysilane, and stirring for 2 hours at the same stirring speed at the temperature of 70 ℃ to obtain a composite modified white carbon black suspension;
3) filtering, drying and crushing the composite modified white carbon black suspension liquid obtained in the step 2) to obtain the super-hydrophobic white carbon black.
Example 2
Dispersing a certain amount of white carbon black in water to prepare 1600g of white carbon black suspension liquid with the mass concentration of 15%.
The preparation method of the super-hydrophobic white carbon black comprises the following steps:
1) taking 12g of silane coupling agent (N-2- (aminoethyl) -3-aminopropylmethyldimethoxysilane), mixing the silane coupling agent, N-butyl alcohol and water according to the volume ratio of 1: 4: 1, and carrying out hydrolysis reaction to obtain silane coupling agent modified liquid;
2) adding the silane coupling agent modified solution obtained in the step 1) into 1600g of white carbon black suspension, and stirring for 2.5 hours at the temperature of 70 ℃ and the stirring speed of 100 revolutions per minute; then adding 3g of fatty alcohol-polyoxyethylene ether and 7g of heptadecafluorodecyltripropoxysilane, and stirring for 1h at 75 ℃ at the same stirring speed to obtain a composite modified white carbon black suspension;
3) filtering, drying and crushing the composite modified white carbon black suspension liquid obtained in the step 2) to obtain the super-hydrophobic white carbon black.
Example 3
And dispersing a certain amount of white carbon black in water to prepare 2400g of white carbon black suspension liquid with the mass concentration of 12%.
The preparation method of the super-hydrophobic white carbon black comprises the following steps:
1) taking 15g of silane coupling agent (gamma-aminopropyldiethoxysilane), mixing the silane coupling agent, cyclohexane and water according to the volume ratio of 1: 5: 1, and carrying out hydrolysis reaction to obtain silane coupling agent modified liquid;
2) adding the silane coupling agent modified solution obtained in the step 1) into 2400g of white carbon black suspension, and stirring for 2 hours at the temperature of 55 ℃ and the stirring speed of 150 revolutions per minute; then adding 4g of fatty acid methyl ester polyoxyethylene ether and 8g of nonafluorobutyl methyl ether, and stirring for 3 hours at 75 ℃ and the same rotating speed to obtain a composite modified white carbon black suspension;
3) filtering, drying and crushing the composite modified white carbon black suspension liquid obtained in the step 2) to obtain the super-hydrophobic white carbon black.
Example 4
Dispersing a certain amount of white carbon black in water to prepare 1500g of white carbon black suspension liquid with the mass concentration of 18%.
The preparation method of the super-hydrophobic white carbon black comprises the following steps:
1) taking 20g of silane coupling agent (gamma-aminopropyltriethoxysilane), mixing the silane coupling agent, xylene and water according to the volume ratio of 1: 7: 2, and carrying out hydrolysis reaction to obtain silane coupling agent modified liquid;
2) adding the silane coupling agent modified solution obtained in the step 1) into 1500g of white carbon black suspension, and stirring for 3.5 hours at the temperature of 70 ℃ and the stirring speed of 200 r/min; then adding 3.5g of polysorbate and 10g of fluorinated ethoxylated polyurethane, and stirring for 1.5h at the same rotating speed at 80 ℃ to obtain a composite modified white carbon black suspension;
3) filtering, drying and crushing the composite modified white carbon black suspension liquid obtained in the step 2) to obtain the super-hydrophobic white carbon black.
Example 5
Comparative examples 1 and 2 are provided for comparison with examples 1 to 4 of the present invention, in which comparative example 1 only a single modification with a silane coupling agent is used and a composite modification with a fluoropolymer is not included; in comparative example 2, the silica was not modified by surface treatment.
Comparative example 1: dispersing a certain amount of white carbon black in water to prepare 1800g of white carbon black suspension liquid with the mass concentration of 20%. 15g of vinyl tri (2-methoxyethoxy) silane is weighed and subjected to hydrolysis reaction by using the volume ratio of the vinyl tri (2-methoxyethoxy) silane to toluene to water of 1: 6: 1, so as to prepare the silane coupling agent modified liquid. Adding the silane coupling agent modified solution into the white carbon black suspension, heating to 75 ℃, stirring for reacting for 4 hours, and then filtering, drying and crushing to obtain the modified white carbon black.
Comparative example 2: dispersing a certain amount of white carbon black in water, preparing 1500g of white carbon black suspension with the mass concentration of 10%, filtering, drying and crushing to obtain the hydrophilic white carbon black.
Performance testing
The white carbon of examples 1 to 4 and comparative examples 1 and 2 were tested for their performance. The test results are shown in table 1.
TABLE 1 white carbon black products of examples 1 to 4 of the present invention and comparative examples 1 to 2
As can be seen from Table 1, the activation degree of the white carbon black subjected to composite modification reaches 99%, the white carbon black has super-strong hydrophobicity, is compatible with rubber, has good dispersibility, reduces Mooney viscosity, and greatly improves the tensile strength and the elongation at break of mechanical properties, while the white carbon black subjected to single modification has certain hydrophobicity and general mechanical properties, and the unmodified white carbon black has hydrophilicity, has high Mooney viscosity in rubber, is difficult to process and has poor mechanical properties.
Claims (6)
1. The preparation method of the super-hydrophobic white carbon black is characterized by comprising the following steps:
1) mixing a silane coupling agent, an organic solvent and water according to a volume ratio of 1: 1-8: 1-2 to obtain a silane coupling agent modified solution;
2) adding the silane coupling agent modified solution obtained in the step 1) into the white carbon black suspension, and stirring for 0.5-24 hours at 50-90 ℃; adding a nonionic surfactant and a fluorine-containing high molecular polymer, and stirring for 0.5-20 h at 40-95 ℃ to obtain a composite modified white carbon black suspension;
3) filtering, drying and crushing the composite modified white carbon black suspension liquid obtained in the step 2) to obtain the super-hydrophobic white carbon black.
2. The preparation method of the superhydrophobic white carbon black according to claim 1, wherein the white carbon black suspension liquid in the step 2) has a mass concentration of 5-25%, and is prepared by dispersing white carbon black in water.
3. The preparation method of the superhydrophobic white carbon black according to claim 2, wherein the mass of the silane coupling agent in the step 2) is 2-10% of the mass of the white carbon black; the mass of the nonionic surfactant is 0.5-5% of that of the white carbon black; the mass of the fluorine-containing high polymer is 1-8% of that of the white carbon black.
4. The method for preparing the superhydrophobic white carbon black according to any one of claims 1 to 3, wherein the fluoropolymer in the step 2) is selected from heptadecafluorodecyltriethoxysilane, tridecafluorooctyltriethoxysilane, heptadecafluorodecyltripropoxysilane, nonafluorobutyl methyl ether and fluorinated ethoxylated polyurethane.
5. The method for preparing the superhydrophobic white carbon black according to any one of claims 1 to 3, wherein the silane coupling agent is selected from the group consisting of γ -aminopropyltriethoxysilane, γ - (2, 3-epoxypropoxy) propyltrimethoxysilane, γ -methacryloxypropyltrimethoxysilane, N-2- (aminoethyl) -3-aminopropylmethyldimethoxysilane, N- β - (aminoethyl) - γ -aminopropylmethyldimethoxysilane, N- β - (aminoethyl) - γ -aminopropyltrimethoxysilane, γ -aminopropylmethyldiethoxysilane, bis- (2- (triethoxysilane) propyl) -tetrasulfide, vinyltris (2-methoxyethoxy) silane, vinyltrimethoxysilane and vinyltriethoxysilane, and the organic solvent is selected from the group consisting of ethanol, propanol, N-butanol, isobutanol, cyclohexane, isohexane, toluene and xylene.
6. The method for preparing the superhydrophobic white carbon black according to any one of claims 1 to 3, wherein the nonionic surfactant is selected from alkylphenol ethoxylates, fatty alcohol-polyoxyethylene ethers, fatty acid methyl ester-polyoxyethylene ethers and polysorbates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911055164.3A CN110746794A (en) | 2019-10-31 | 2019-10-31 | Preparation method of super-hydrophobic white carbon black |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911055164.3A CN110746794A (en) | 2019-10-31 | 2019-10-31 | Preparation method of super-hydrophobic white carbon black |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110746794A true CN110746794A (en) | 2020-02-04 |
Family
ID=69281644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911055164.3A Withdrawn CN110746794A (en) | 2019-10-31 | 2019-10-31 | Preparation method of super-hydrophobic white carbon black |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110746794A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111960428A (en) * | 2020-09-04 | 2020-11-20 | 桂林良物造日用品有限公司 | Modification method of nano white carbon black |
| CN113150389A (en) * | 2021-04-27 | 2021-07-23 | 三明学院 | Preparation method of hydrophobic white carbon black |
| CN113755032A (en) * | 2020-12-16 | 2021-12-07 | 安徽进化硅纳米材料科技有限公司 | Method for refining silicon dioxide, ultrafine silicon dioxide powder and use |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257524A (en) * | 1997-05-22 | 2000-06-21 | 拜尔公司 | Process for hydrophobicizing particles, and their use as fillers in polymer masterbatches |
| CN101070439A (en) * | 2007-06-12 | 2007-11-14 | 武汉理工大学 | Method for preparing hydrophobic silicon dioxide |
| WO2009059382A1 (en) * | 2007-11-09 | 2009-05-14 | Pacific Polymers Pty Ltd | Hydrophobic modification of mineral fillers and mixed polymer systems |
| CN103342902A (en) * | 2013-07-26 | 2013-10-09 | 资源县天盛新型材料开发有限公司 | Hydrophobic quartz micro powder as well as integrated production process and application thereof |
| CN104449024A (en) * | 2014-12-30 | 2015-03-25 | 马艳荣 | Preparing method for hydrophobicity nanometer titania |
-
2019
- 2019-10-31 CN CN201911055164.3A patent/CN110746794A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257524A (en) * | 1997-05-22 | 2000-06-21 | 拜尔公司 | Process for hydrophobicizing particles, and their use as fillers in polymer masterbatches |
| CN101070439A (en) * | 2007-06-12 | 2007-11-14 | 武汉理工大学 | Method for preparing hydrophobic silicon dioxide |
| WO2009059382A1 (en) * | 2007-11-09 | 2009-05-14 | Pacific Polymers Pty Ltd | Hydrophobic modification of mineral fillers and mixed polymer systems |
| CN103342902A (en) * | 2013-07-26 | 2013-10-09 | 资源县天盛新型材料开发有限公司 | Hydrophobic quartz micro powder as well as integrated production process and application thereof |
| CN104449024A (en) * | 2014-12-30 | 2015-03-25 | 马艳荣 | Preparing method for hydrophobicity nanometer titania |
Non-Patent Citations (1)
| Title |
|---|
| 王杏 等: "《纳米二氧化钛的生产与应用》", 31 July 2014, 贵州科技出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111960428A (en) * | 2020-09-04 | 2020-11-20 | 桂林良物造日用品有限公司 | Modification method of nano white carbon black |
| CN113755032A (en) * | 2020-12-16 | 2021-12-07 | 安徽进化硅纳米材料科技有限公司 | Method for refining silicon dioxide, ultrafine silicon dioxide powder and use |
| CN113150389A (en) * | 2021-04-27 | 2021-07-23 | 三明学院 | Preparation method of hydrophobic white carbon black |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110746794A (en) | Preparation method of super-hydrophobic white carbon black | |
| CN102964881B (en) | Amino/mercapto silane modified silica and preparation method thereof | |
| CN111607283B (en) | Modified halloysite, composite coating based on modified halloysite and preparation method of composite coating | |
| CN111410887B (en) | Super-hydrophobic nano SiO2Modified epoxy acrylic resin paint and its preparation | |
| CN114181547A (en) | Preparation method of nano carbon black | |
| CN113527964B (en) | Water-based acrylic acid protective coating | |
| CN109627502B (en) | Composite material of natural rubber and preparation method thereof | |
| CN111040527A (en) | Heat-reflecting super-hydrophobic PVDF coating and preparation method thereof | |
| CN118185128A (en) | Preparation method of nano silicon dioxide for rubber | |
| CN110746647B (en) | Vulcanizing agent emulsion and preparation method and application thereof | |
| CN110669471A (en) | Environment-friendly high-strength organic silicon adhesive and preparation method thereof | |
| CN117512994A (en) | Dodecanol modified SiO 2 Nanoparticle superhydrophobic cotton fiber material | |
| CN115627040B (en) | Composite material resistant to low temperature of-50 ℃ for sealing, preparation method and sensor | |
| CN111454492A (en) | High-strength SiO2Super-hydrophobic material of-organic silicon synergistically modified chitosan and preparation method thereof | |
| CN113861723B (en) | Modified ferroferric oxide particle, preparation method and application thereof, modified ferroferric oxide/epoxy composite coating and application thereof | |
| CN113462042B (en) | Amino modified sepiolite/graphene oxide/natural rubber composite latex and preparation method thereof | |
| CN112126061B (en) | Preparation method of mercapto-graphene copolymerized mercapto-olefin polymer flame-retardant system | |
| CN113388323A (en) | Molybdenum disulfide/organic silicon composite modified ultraviolet curing water-based polyurethane acrylate coating, and preparation method and application thereof | |
| CN111944331A (en) | Surface modification treatment method of anti-settling boron carbide powder | |
| CN112157767A (en) | Wood modifier and preparation method and application thereof | |
| CN116333549B (en) | Polymer cement anti-corrosion paint based on functional MXene and preparation method thereof | |
| CN114921008B (en) | Production method of reinforced carboxylic acrylonitrile butadiene latex | |
| CN116769344B (en) | Fluorinated graphene/SiO2Fluorosilane composite material, preparation method thereof and super-hydrophobic coating | |
| CN116751411B (en) | Application of modified sepiolite in rubber | |
| CN115612279A (en) | TPU (thermoplastic polyurethane) foaming composite material for communication cable/optical cable and preparation method thereof |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200204 |
|
| WW01 | Invention patent application withdrawn after publication |