CN115058029A - Polytetrafluoroethylene composite slurry and preparation method and application thereof - Google Patents
Polytetrafluoroethylene composite slurry and preparation method and application thereof Download PDFInfo
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- CN115058029A CN115058029A CN202210799453.XA CN202210799453A CN115058029A CN 115058029 A CN115058029 A CN 115058029A CN 202210799453 A CN202210799453 A CN 202210799453A CN 115058029 A CN115058029 A CN 115058029A
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- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 77
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 77
- 239000002002 slurry Substances 0.000 title claims abstract description 74
- -1 Polytetrafluoroethylene Polymers 0.000 title claims abstract description 72
- 239000002131 composite material Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000007613 slurry method Methods 0.000 title description 2
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 239000012779 reinforcing material Substances 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 16
- 239000003960 organic solvent Substances 0.000 claims abstract description 14
- 238000010146 3D printing Methods 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 abstract description 12
- 206010061592 cardiac fibrillation Diseases 0.000 abstract description 5
- 239000002270 dispersing agent Substances 0.000 abstract description 5
- 239000003995 emulsifying agent Substances 0.000 abstract description 5
- 230000002600 fibrillogenic effect Effects 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 239000012778 molding material Substances 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
- C08J3/11—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids from solid polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
- B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
- C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
- C08J3/095—Oxygen containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Civil Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Composite Materials (AREA)
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Abstract
The invention provides polytetrafluoroethylene composite slurry and a preparation method and application thereof, belonging to the technical field of composite slurry and comprising the following steps: (1) stirring and mixing polytetrafluoroethylene and an organic solvent to obtain premixed slurry; the particle size of the polytetrafluoroethylene is 1-10 mu m; (2) and (2) mixing the premixed slurry obtained in the step (1) with a reinforcing material to obtain the polytetrafluoroethylene composite slurry. According to the invention, polytetrafluoroethylene and an organic solvent are stirred and mixed to prepare the premixed slurry, fibrillation behavior is generated by the shearing force of stirring during stirring, polytetrafluoroethylene molecules are scattered to form small fibers which are connected with each other, and then a floccule structure is further formed, so that the tensile strength and the elastic property of the overall flow of the slurry are increased, the viscosity and the stability of the composite slurry are further improved by adding a reinforcing material, additives such as a dispersing agent and an emulsifying agent are not required to be added, and the influence of the additives on the structure and the dielectric property of a molding material is reduced.
Description
Technical Field
The invention relates to the technical field of composite slurry, in particular to polytetrafluoroethylene composite slurry and a preparation method and application thereof.
Background
The development of modern communication technology has driven the commercialization of millimeter wave technology, however, the reduction in wavelength has led to additional interest in system packaging and integration schemes, and 3D printing technology has received attention as it allows selective deposition of electronic materials, media and metal patterns that can be fabricated directly onto virtually any host, thereby creating fully printed, vertically integrated electronic systems and packages.
At present, the slurry commonly used for 3D printing is water and polytetrafluoroethylene resin (the particle size is several hundred micrometers), and because the dispersibility and stability of polytetrafluoroethylene in water are poor, additives such as a dispersing agent and an emulsifying agent are usually required to be added in order to improve the dispersibility and stability of polytetrafluoroethylene, but the additives are decomposed and volatilized in the 3D printing forming process to generate cavities, so that the structural stability and dielectric property of the material are affected.
Therefore, it is a difficult problem in the prior art how to improve the dispersibility and stability of the slurry without using additives such as a dispersant and an emulsifier, and obtain a composite slurry suitable for 3D printing.
Disclosure of Invention
The invention aims to provide polytetrafluoroethylene composite slurry and a preparation method and application thereof. The composite paste prepared by the invention does not contain additives, and can meet the requirements of ink direct-writing 3D printing.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a preparation method of polytetrafluoroethylene composite slurry, which comprises the following steps:
(1) stirring and mixing polytetrafluoroethylene and an organic solvent to obtain premixed slurry; the particle size of the polytetrafluoroethylene is 1-10 mu m;
(2) and (2) mixing the premixed slurry obtained in the step (1) with a reinforcing material to obtain the polytetrafluoroethylene composite slurry.
Preferably, the particle size of the polytetrafluoroethylene in the step (1) is 3-8 μm.
Preferably, the organic solvent in step (1) comprises absolute ethanol or petroleum ether.
Preferably, the stirring and mixing time in the step (1) is 10-20 min, and the stirring and mixing temperature is 20-30 ℃.
Preferably, the reinforcing material in the step (2) comprises silicon dioxide, glass fiber or boron nitride.
Preferably, the particle size of the reinforcing material in the step (2) is 5-10 μm.
Preferably, the mass ratio of the reinforcing material in the step (2) to the polytetrafluoroethylene in the step (1) is (10-40): 100.
preferably, the mass content of the polytetrafluoroethylene in the polytetrafluoroethylene composite slurry is 40-54%.
The invention provides the polytetrafluoroethylene composite slurry prepared by the preparation method in the technical scheme.
The invention also provides application of the polytetrafluoroethylene composite slurry in the technical scheme in 3D printing.
The invention provides a preparation method of polytetrafluoroethylene composite slurry, which comprises the following steps: (1) stirring and mixing polytetrafluoroethylene and an organic solvent to obtain premixed slurry; the particle size of the polytetrafluoroethylene is 1-10 mu m; (2) and (2) mixing the premixed slurry obtained in the step (1) with a reinforcing material to obtain the polytetrafluoroethylene composite slurry. According to the invention, polytetrafluoroethylene and an organic solvent are stirred and mixed to prepare a premixed slurry, the particle size of the polytetrafluoroethylene is controlled to be 1-10 mu m, fibrillation behavior of the polytetrafluoroethylene is generated under the action of stirring shearing force, polytetrafluoroethylene molecules are dispersed to form mutually connected small fibers, and then a flocculent net structure is further formed, so that the tensile strength and the elastic property of the overall flow of the slurry are increased, the viscosity and the stability of the composite slurry are further improved by adding a reinforcing material, the requirement of 3D printing can be met without adding additives such as a dispersing agent, an emulsifying agent and the like, and the influence of the additives on the structure and the dielectric property of a molding material is reduced. The results of the examples show that the composite slurry prepared according to the present invention has a viscosity of 2000mPa · s or more and does not delaminate after being left for 5 days.
Drawings
FIG. 1 is a graph showing the uniformity and stability of composite slurries prepared in examples 1 to 4 of the present invention;
FIG. 2 is a graph showing the viscosity of the composite slurry prepared in examples 1 to 4 of the present invention.
Detailed Description
The invention provides a preparation method of polytetrafluoroethylene composite slurry, which comprises the following steps:
(1) stirring and mixing polytetrafluoroethylene and an organic solvent to obtain premixed slurry; the particle size of the polytetrafluoroethylene is 1-10 mu m;
(2) and (2) mixing the premixed slurry obtained in the step (1) with a reinforcing material to obtain the polytetrafluoroethylene composite slurry.
In the present invention, the sources of the components are not particularly limited, unless otherwise specified, and commercially available products known to those skilled in the art may be used.
In the invention, the mass content of the polytetrafluoroethylene in the polytetrafluoroethylene composite slurry is preferably 40-54%, more preferably 45-54%, and most preferably 50-54%. According to the invention, the mass content of the polytetrafluoroethylene is limited within the range, so that the composite slurry has proper viscosity and rheological property, and the requirement of 3D printing is met.
The invention mixes polytetrafluoroethylene and organic solvent to obtain premixed slurry.
In the invention, the particle size of the polytetrafluoroethylene is 1-10 μm, preferably 3-8 μm, and more preferably 5-6 μm. The invention limits the particle size of the polytetrafluoroethylene within the range, can enable the polytetrafluoroethylene to be fibrillation and disperse more easily, improves the stability, simultaneously enables the composite slurry to have proper viscosity, and avoids the phenomenon that the overlarge particle size is not beneficial to the extrusion of the slurry in the 3D printing process.
In the present invention, the organic solvent preferably includes absolute ethanol or petroleum ether, and more preferably absolute ethanol. The invention limits the types of the organic solvents within the range, can enable the system to have proper polarity, and is more beneficial to the dispersion and the stability of the polytetrafluoroethylene. The invention has no special limit on the dosage of the organic solvent, and the mass content of the polytetrafluoroethylene in the composite slurry is ensured to be in the range.
In the invention, the stirring and mixing time is preferably 10-20 min, and more preferably 10-15 min; the stirring and mixing temperature is preferably 20-30 ℃, and more preferably 25 ℃. The stirring rate is not particularly limited in the present invention, and a stirring rate known to those skilled in the art may be used. The invention limits the temperature and time of stirring and mixing in the above range, can make polytetrafluoroethylene fully generate fibrillation behavior, and further improves the dispersibility and stability of the slurry.
After the premixed slurry is obtained, the premixed slurry is mixed with the reinforcing material to obtain the polytetrafluoroethylene composite slurry.
In the present invention, the reinforcing material preferably includes silicon dioxide, glass fiber, or boron nitride, and more preferably silicon dioxide. In the invention, the reinforcing material can further improve the viscosity and stability of the composite slurry, has better thermal stability, can reduce the expansibility of the slurry in the 3D printing process, and improves the stability of the printing material.
In the invention, the particle size of the reinforcing material is preferably 5-10 μm, more preferably 6-9 μm, and most preferably 7-8 μm. The particle size of the reinforcing material is limited within the range, so that the reinforcing material can be more uniformly dispersed in the composite slurry, and the composite slurry has better dielectric property.
In the invention, the mass ratio of the reinforcing material to the polytetrafluoroethylene is preferably (10-40): 100, more preferably (15 to 35): 100, most preferably (20-30): 100. the invention limits the mass ratio of the reinforcing material to the polytetrafluoroethylene within the range, and can further improve the viscosity and stability of the composite slurry.
In the invention, the mixing is preferably carried out under a stirring condition, the stirring is preferably carried out by magnetic stirring, the stirring temperature is preferably 20-30 ℃, and the stirring time is preferably 3-5 h, and more preferably 4 h. The stirring rate is not particularly limited in the present invention, and a stirring rate known to those skilled in the art may be used. The present invention limits the temperature and time of stirring to the above ranges, and enables the components to be mixed more sufficiently.
According to the invention, polytetrafluoroethylene and an organic solvent are stirred and mixed to prepare the premixed slurry, fibrillation behavior of polytetrafluoroethylene is generated under the action of stirring shearing force, polytetrafluoroethylene molecules are scattered to form small fibers which are connected with each other, and then a floccule structure is further formed, so that the tensile strength and the elastic property of the overall flow of the slurry are increased, the technical parameters such as the dosage of each component and the like are controlled by adding a reinforcing material, the viscosity and the stability of the composite slurry are further improved, additives such as a dispersing agent, an emulsifying agent and the like are not required to be added, and the influence of the additives on the structure and the dielectric property of a forming material is reduced.
The invention provides the polytetrafluoroethylene composite slurry prepared by the preparation method in the technical scheme.
The polytetrafluoroethylene composite slurry provided by the invention has high viscosity and stability, can meet the requirement of 3D printing, does not contain additives, and can avoid the reduction of material structure and dielectric property caused by the decomposition of the additives in the 3D printing process.
The invention also provides application of the polytetrafluoroethylene composite slurry in the technical scheme in 3D printing.
The invention has no special limitation on the operation of the application of the polytetrafluoroethylene composite slurry in 3D printing, and the technical scheme of the application of the polytetrafluoroethylene composite slurry in 3D printing, which is well known by the technical personnel in the field, can be adopted.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
(1) Taking 5um Polytetrafluoroethylene (PTFE) dry powder as a raw material, taking absolute ethyl alcohol as dispersion liquid, and stirring for 10min at 25 ℃ by a stirrer to uniformly disperse PTFE;
(2) SiO with the grain diameter of 7um 2 Adding the balls into the dispersed PTFE slurry, SiO 2 The mass ratio of the ball to the polytetrafluoroethylene dry powder is 10:100, and a magnetic stirrer is utilized to stir SiO 2 And fully stirring the mixture and the PTFE slurry until the mixture is uniformly mixed for 4 hours to obtain PTFE composite slurry, wherein the mass content of the polytetrafluoroethylene in the composite slurry is 52 percent.
Example 2
The mass ratio of the silica spheres to the polytetrafluoroethylene dry powder in step (2) of example 1 was changed to 20:100, and the other parameters were the same as those of example 1.
Example 3
The mass ratio of the silica spheres to the polytetrafluoroethylene dry powder in the step (2) of the example 1 is replaced by 30:100, and other parameters are the same as those of the example 1.
Example 4
The mass ratio of the silica spheres to the polytetrafluoroethylene dry powder in the step (2) of the example 1 is replaced by 40:100, and other parameters are the same as those of the example 1.
The composite slurry obtained in examples 1 to 4 was placed in a measuring cylinder, allowed to stand at room temperature for 5 days, and the uniformity and stability of the composite slurry were observed, and the results are shown in fig. 1, in which example 1, example 2, example 3, and example 4 were sequentially shown from left to right. As can be seen from figure 1, the composite slurry prepared by the invention is uniformly dispersed, does not have deterioration phenomena such as layering and the like after being placed for 5 days, and has good stability.
The viscosity of the composite slurries prepared in examples 1 to 4 was measured using an NDJ-8S digital display viscometer, and the results are shown in FIG. 2. As can be seen from FIG. 2, the composite slurry prepared by the present invention has a higher viscosity, and decreases with increasing rotation speed, consistent with shear-thinning characteristics.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A preparation method of polytetrafluoroethylene composite slurry comprises the following steps:
(1) stirring and mixing polytetrafluoroethylene and an organic solvent to obtain premixed slurry; the particle size of the polytetrafluoroethylene is 1-10 mu m;
(2) and (2) mixing the premixed slurry obtained in the step (1) with a reinforcing material to obtain the polytetrafluoroethylene composite slurry.
2. The method according to claim 1, wherein the particle size of the polytetrafluoroethylene in step (1) is 3 to 8 μm.
3. The method according to claim 1, wherein the organic solvent in the step (1) comprises absolute ethanol or petroleum ether.
4. The preparation method according to claim 1, wherein the stirring and mixing time in the step (1) is 10-20 min, and the stirring and mixing temperature is 20-30 ℃.
5. The method according to claim 1, wherein the reinforcing material in the step (2) comprises silica, glass fiber or boron nitride.
6. The method according to claim 1 or 5, wherein the particle size of the reinforcing material in the step (2) is 5 to 10 μm.
7. The preparation method according to claim 1, wherein the mass ratio of the reinforcing material in the step (2) to the polytetrafluoroethylene in the step (1) is (10-40): 100.
8. the preparation method according to claim 1, wherein the polytetrafluoroethylene composite slurry contains 40-54% by mass of polytetrafluoroethylene.
9. The polytetrafluoroethylene composite paste prepared by the preparation method of any one of claims 1-8.
10. Use of the polytetrafluoroethylene composite paste according to claim 9 for 3D printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210799453.XA CN115058029A (en) | 2022-07-06 | 2022-07-06 | Polytetrafluoroethylene composite slurry and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210799453.XA CN115058029A (en) | 2022-07-06 | 2022-07-06 | Polytetrafluoroethylene composite slurry and preparation method and application thereof |
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| CN115058029A true CN115058029A (en) | 2022-09-16 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017031323A (en) * | 2015-07-31 | 2017-02-09 | 日本ゼオン株式会社 | Method for producing slurry and method for producing composite resin material |
| CN107849328A (en) * | 2015-07-31 | 2018-03-27 | 日本瑞翁株式会社 | Composite resin material, slurry, the manufacture method of composite resin material formed body and slurry |
| CN108495876A (en) * | 2016-01-21 | 2018-09-04 | 3M创新有限公司 | The increasing material of fluoroelastomer is processed |
| CN109790297A (en) * | 2016-10-03 | 2019-05-21 | 日本瑞翁株式会社 | The manufacturing method of slurry, composite resin material and formed body |
-
2022
- 2022-07-06 CN CN202210799453.XA patent/CN115058029A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017031323A (en) * | 2015-07-31 | 2017-02-09 | 日本ゼオン株式会社 | Method for producing slurry and method for producing composite resin material |
| CN107849328A (en) * | 2015-07-31 | 2018-03-27 | 日本瑞翁株式会社 | Composite resin material, slurry, the manufacture method of composite resin material formed body and slurry |
| CN108495876A (en) * | 2016-01-21 | 2018-09-04 | 3M创新有限公司 | The increasing material of fluoroelastomer is processed |
| CN109790297A (en) * | 2016-10-03 | 2019-05-21 | 日本瑞翁株式会社 | The manufacturing method of slurry, composite resin material and formed body |
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