CN118459990A - Double-component organic silicon composition and production equipment thereof - Google Patents
Double-component organic silicon composition and production equipment thereof Download PDFInfo
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- CN118459990A CN118459990A CN202410505394.XA CN202410505394A CN118459990A CN 118459990 A CN118459990 A CN 118459990A CN 202410505394 A CN202410505394 A CN 202410505394A CN 118459990 A CN118459990 A CN 118459990A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/95—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
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- Polymers & Plastics (AREA)
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- Adhesives Or Adhesive Processes (AREA)
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Abstract
The invention discloses a double-component organic silicon composition and production equipment thereof, comprising a component A and a component B, wherein the component A comprises the following components in parts by weight: 40-60 parts of dimethyl silicone oil, 10-30 parts of a, omega-dihydroxy polydimethylsiloxane, 150-350 parts of filler and 0.5-2 parts of catalyst; the component B comprises the following components in parts by weight: 20-40 parts of dimethyl silicone oil, 30-50 parts of 1, 2-bis trimethoxy silicon-based ethane, 150-350 parts of filler and 0.5-2 parts of catalyst. In the technical scheme, the prepared bi-component organic silicon structural adhesive is applied to a photovoltaic module by taking the a, omega-dihydroxy polydimethylsiloxane as a base material and taking 1, 2-bis trimethoxy silicon-based ethane, nano calcium carbonate and the like as fillers, has good mechanical strength and bonding performance, simultaneously shows excellent ageing resistance and also has improved service life.
Description
Technical Field
The invention belongs to the technical field of organic silicon, and particularly relates to a double-component organic silicon composition and production equipment thereof.
Background
Photovoltaic power generation is now receiving increasing attention worldwide as a new green energy source. The photoelectric conversion efficiency is used as the most important performance index in photovoltaic power generation, and besides being influenced by the quality of a battery, the tightness and the safety of a photovoltaic module are also critical influencing factors. Because the photovoltaic module is mainly distributed in an outdoor relatively severe environment and needs to bear the temperature difference between sun and rain and day and night for a long time, the adopted sealant is required to have good ultraviolet light resistance and high and low temperature aging resistance. The organosilicon sealant has irreplaceability in the field of sealing photovoltaic modules with higher requirements due to excellent ageing resistance.
In photovoltaic module application, organosilicon sealant is mainly used for frame sealing, bonding of a backboard junction box, junction box encapsulation, bracket bonding and the like. Unlike common organosilicon sealant, the organosilicon structural adhesive has higher strength and durability stability, and is mainly used for bonding and fixing structural members such as photovoltaic glass or backboard and hooks besides being used for photovoltaic building integration (such as a photovoltaic roof). Therefore, the performance of the structural adhesive directly affects the safety and the service life of the photovoltaic module.
Disclosure of Invention
The invention mainly aims to provide a double-component organic silicon composition and production equipment thereof, and aims to solve the technical problem that the service life of the conventional organic silicon structural adhesive for a photovoltaic module is insufficient.
In order to achieve the above purpose, the two-component organic silicon composition provided by the invention comprises a component A and a component B, wherein the component A comprises the following components in parts by weight: 40-60 parts of dimethyl silicone oil, 10-30 parts of a, omega-dihydroxy polydimethylsiloxane, 150-350 parts of filler and 0.5-2 parts of catalyst; the component B comprises the following components in parts by weight: 20-40 parts of dimethyl silicone oil, 30-50 parts of 1, 2-bis trimethoxy silicon-based ethane, 150-350 parts of filler and 0.5-2 parts of catalyst.
Alternatively, the viscosity of the simethicone is 200 to 400 mPas.
Optionally, the filler is nano activated calcium carbonate.
Optionally, the weight ratio of the component A to the component B is (5:1) - (7:1).
Alternatively, the catalyst is dibutyltin dilaurate.
The invention also provides production equipment of the two-component organic silicon composition, which comprises the following steps:
The storage device comprises a plurality of storage compartments and is used for storing various raw materials;
The material pumping device comprises a plurality of material pumping pipes and a material pumping mechanism which are communicated with the material storage spaces, and the material pumping mechanism is used for extruding each material pumping pipe so as to pump out raw materials in each material storage space; and
The stirring device comprises a stirring cylinder and a stirring mechanism, wherein each pumping pipe is communicated to the stirring cylinder, and the stirring mechanism is used for stirring raw materials in the stirring cylinder.
Optionally, the material pumping mechanism is a multichannel peristaltic pump.
Optionally, the pipe diameter of each of the pumping pipes is designed proportionally so that the weight of the pumped raw materials is proportional.
Optionally, the stirring mechanism is a planetary stirrer.
Optionally, the mixing bowl further comprises a filler port.
The invention also provides a use method of the production equipment of the two-component organic silicon composition, which comprises the following steps:
Adding filler into the stirring cylinder, pumping the dimethyl silicone oil and the a, omega-dihydroxy polydimethylsiloxane in a certain weight ratio into the stirring cylinder through the pumping device, starting stirring under vacuum, and continuously pumping the dibutyl tin dilaurate in a certain weight ratio into the storage cylinder and stirring to obtain a component A;
Adding filler into the stirring cylinder, pumping the dimethyl silicone oil and the 1, 2-bis trimethoxy silicon-based ethane in a certain weight ratio into another stirring cylinder through the pumping device, starting stirring under vacuum, continuously adding the dibutyl tin dilaurate in a certain weight ratio into the storage cylinder, and stirring to obtain a component B;
and uniformly mixing the component A and the component B according to a certain weight ratio to obtain the double-component organic silicon composition.
In the technical scheme of the invention, the prepared bi-component organic silicon composition is applied to a photovoltaic module clock by taking a, omega-dihydroxy polydimethylsiloxane as a base material and 1, 2-bis trimethoxy silicon-based ethane, nano calcium carbonate and the like as fillers, has good mechanical strength and bonding performance, and simultaneously has excellent ageing resistance and prolonged service life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic plan view of a production facility for a two-part silicone composition provided by the present invention;
fig. 2 is a top view of the drawing device of fig. 1.
Description of the reference numerals: the production equipment of the double-component organic silicon composition comprises a storage device-1, a discharge hole-11, a pumping device-2, a pumping pipe-21, a pumping mechanism-22, a stirring device-3, a stirring cylinder-31 and a stirring mechanism-32.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention.
The specific conditions were not specified in the examples, and the examples were conducted under the conventional conditions or the conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In photovoltaic module application, organosilicon sealant is mainly used for frame sealing, bonding of a backboard junction box, junction box encapsulation, bracket bonding and the like. Unlike common organosilicon sealant, the organosilicon structural adhesive has higher strength and durability stability, and is mainly used for bonding and fixing structural members such as photovoltaic glass or backboard and hooks besides being used for photovoltaic building integration (such as a photovoltaic roof). Therefore, the performance of the structural adhesive directly affects the safety and the service life of the photovoltaic module.
In view of the above, the invention provides a two-component organosilicon composition, which comprises a component A and a component B, wherein the component A comprises the following components in parts by weight: 40-60 parts of dimethyl silicone oil, 10-30 parts of a, omega-dihydroxy polydimethylsiloxane, 150-350 parts of filler and 0.5-2 parts of catalyst; the component B comprises the following components in parts by weight: 20-40 parts of dimethyl silicone oil, 30-50 parts of 1, 2-bis trimethoxy silicon-based ethane, 150-350 parts of filler and 0.5-2 parts of catalyst.
The viscosity of the simethicone is 200 to 400 mPas; the filler is nano active calcium carbonate, and the average particle diameter of the filler is 10-100 nm; the catalyst is an organometallic catalyst, preferably dibutyl tin dilaurate. As a preferred embodiment, the weight ratio of the component A to the component B is (5:1) to (7:1).
In the technical scheme of the invention, the prepared double-component organic silicon structural adhesive has better mechanical strength and bonding property by taking a, omega-dihydroxy polydimethylsiloxane as a base material and 1, 2-bis trimethoxy silicon-based ethane, nano calcium carbonate and the like as fillers. Meanwhile, the structural adhesive shows excellent ageing resistance, and the service life is prolonged.
Example 1
According to the weight parts, adding 40 parts of simethicone, 30 parts of a, omega-dihydroxy polydimethylsiloxane and 350 parts of nano active calcium carbonate into a planetary mixer, slowly starting stirring under vacuum for 1h, continuously adding 2 parts of dibutyltin dilaurate and stirring for 1h to obtain a component A; 20 parts of simethicone, 50 parts of 1, 2-bis trimethoxy silicon-based ethane and 350 parts of nano active calcium carbonate are put into a planetary mixer, stirring is slowly started for 0.5h under vacuum, and 2 parts of dibutyl tin dilaurate are continuously put into the mixer and stirred for 1h to obtain the component B. The A component and the B component are mixed according to the following proportion of 5:1 to obtain the double-component organic silicon structural adhesive I.
Example 2
According to the weight parts, 60 parts of simethicone, 10 parts of a, omega-dihydroxy polydimethylsiloxane and 350 parts of nano active calcium carbonate are put into a planetary mixer, stirring is slowly started under vacuum for 1h, 2 parts of dibutyltin dilaurate is continuously put into the mixer, and stirring is carried out for 1h, so that a component A is obtained; adding 40 parts of simethicone, 30 parts of 1, 2-bis trimethoxy silicon-based ethane and 350 parts of nano active calcium carbonate into a planetary mixer, slowly starting stirring for 0.5h under vacuum, continuously adding 2 parts of dibutyltin dilaurate, and stirring for 1h to obtain a component B. The A component and the B component are mixed according to the following ratio of 6:1 to obtain the double-component organic silicon structural adhesive II.
Example 3
According to the weight parts, 60 parts of simethicone, 30 parts of a, omega-dihydroxy polydimethylsiloxane and 150 parts of nano active calcium carbonate are put into a planetary mixer, stirring is slowly started under vacuum for 1h, 2 parts of dibutyltin dilaurate is continuously put into the mixer, and stirring is carried out for 1h, so that a component A is obtained; adding 40 parts of simethicone, 50 parts of 1, 2-bis trimethoxy silicon-based ethane and 150 parts of nano active calcium carbonate into a planetary mixer, slowly starting stirring for 0.5h under vacuum, continuously adding 2 parts of dibutyltin dilaurate, and stirring for 1h to obtain a component B. The A component and the B component are mixed according to the following ratio of 6:1 to obtain the double-component organic silicon structural adhesive III.
Example 4
According to the weight parts, 60 parts of simethicone, 30 parts of a, omega-dihydroxy polydimethylsiloxane and 350 parts of nano active calcium carbonate are put into a planetary mixer, stirring is slowly started under vacuum for 1 h parts of dibutyltin dilaurate is continuously put into the planetary mixer, and stirring is carried out for 1 h to obtain a component A; adding 40 parts of simethicone, 50 parts of 1, 2-bis trimethoxy silicon-based ethane and 350 parts of nano active calcium carbonate into a planetary mixer, slowly starting stirring for 0.5h under vacuum, continuously adding 0.5 part of dibutyltin dilaurate, and stirring for 1 h to obtain a component B. The A component and the B component are mixed according to the following ratio of 7:1 weight ratio, and obtaining the double-component organic silicon structural adhesive IV.
Performance testing
The test experiments were performed after 15 days of curing at ambient temperature (23.+ -. 2) and relative humidity (50.+ -. 5)% for examples 1-4.
Tensile strength and elongation at break test: according to GB/T528-2009
Adhesion test: according to GB 16776-2005
Aging test, after accelerated aging 1500 h under high temperature and high humidity (85 ℃ and relative humidity 85%) environment.
From the data, the prepared double-component organic silicon structural adhesive for the photovoltaic module is prepared from a, 3-dihydroxyl polydimethylsiloxane, 1, 2-bistrimethoxysilane, nano active calcium carbonate and the like serving as raw materials, and has better mechanical strength and adhesive property along with the continuous increase of the amount of the component A, wherein the tensile strength of the structural adhesive exceeds 2.40MPa, the elongation at break is more than 350 percent, and the tensile adhesive strength exceeds 1.25 MPa. When the mass ratio of the component A to the component B is (5:1) - (7:1), the structural adhesive shows excellent ageing resistance, and the structural adhesive prepared in the range has the tensile bonding strength retention rate of 85% -88% and the shear strength retention rate of 78% -82% after accelerated ageing, and has good ageing resistance.
In order to facilitate the production of the two-component silicone structural adhesive and realize accurate quantitative production, the invention also provides production equipment of the two-component silicone composition, fig. 1 is an embodiment of the production equipment of the two-component silicone composition, and referring to fig. 1, the production equipment 100 comprises a storage device 1, a pumping device 2 and a stirring device 3.
In particular, the storage device 1 comprises a plurality of storage compartments for storing various raw materials, such as liquid raw materials in the above composition, so as to be transported by pumping; the material pumping device 2 comprises a plurality of material pumping pipes 21 and a material pumping mechanism 22 which are communicated with the material storage chambers, and the material pumping mechanism 22 is used for extruding each material pumping pipe 21 so as to pump out raw materials in each material storage chamber; the stirring device 3 comprises a stirring cylinder 31 and a stirring mechanism 32, each pumping pipe 21 is communicated to the stirring cylinder 31, and the stirring mechanism 32 is arranged above the stirring cylinder 31 and is used for stirring raw materials in the stirring cylinder 31.
As a preferred embodiment, the pumping mechanism 22 is a multichannel peristaltic pump. The peristaltic pump works by alternately squeezing and releasing the flexible delivery hose of the pump to pump fluid. As the hose is squeezed by two fingers, negative pressure is formed in the hose along with the movement of the fingers, and liquid flows along with the negative pressure; however, the pump produces a pulse stream when operated, and pulses can be reduced by increasing the number of rollers or by using pulse suppressors. In this embodiment, a multi-channel peristaltic pump is employed, which is capable of simultaneously squeezing the plurality of suction pipes 21 to simultaneously pump various raw materials into the stirring cylinder 31; correspondingly, each of the suction pipes 21 is designed in the form of a hose. Of course, since the A-component and the B-component need to be stirred in different vessels, each of the suction pipes 21 may be separately opened into different stirring vessels.
Wherein, the pumping mechanism 22 is fixedly arranged at one side of the stirring mechanism 32.
Further, in an embodiment of the present invention, the pipe diameter of each of the pumping pipes 21 is proportionally designed so that the weight of the pumped raw material is proportional. Since the raw materials in the components are added in weight proportion, the pumping pipes 21 with different pipe diameters are selected in the pumping process, so that the volume of the pumped raw materials is proportional, and the weight proportion is corresponding. It should be noted that, the material storage device 1 is provided with a material outlet 11 corresponding to each material storage space, one end of each material pumping pipe 21 extends from each material pumping pipe 21 into the bottom of each material storage space, and the other end is connected to the stirring cylinder 31. The discharge port 11 corresponds to a storage room in which simethicone, a, omega-dihydroxypolydimethylsiloxane, 1, 2-bis-trimethoxysilylethane and dibutyltin dilaurate are stored, respectively.
Preferably, in order to improve the stirring efficiency, in an embodiment of the present invention, the stirring mechanism 32 is a planetary stirrer, which is suitable for various high-viscosity high-solid materials, so as to greatly improve the stirring efficiency.
Furthermore, in one embodiment of the present invention, the stirring tank 31 further includes a filling port (not shown), through which the proportioned solid raw material such as nano calcium carbonate is introduced.
The invention also provides a use method of the production equipment of the double-component organic silicon composition,
In preparing the two-component silicone composition described above, the method of use of the production apparatus is: adding filler into the stirring cylinder, pumping the dimethyl silicone oil and a, omega-dihydroxy polydimethylsiloxane in a certain weight ratio into the stirring cylinder through a multichannel peristaltic pump, starting stirring under vacuum, and continuously pumping the dibutyl tin dilaurate in a certain weight ratio into the storage cylinder and stirring to obtain a component A; adding filler into the stirring cylinder, pumping the dimethyl silicone oil and the 1, 2-bis trimethoxy silicon-based ethane in a certain weight ratio into another stirring cylinder through a multichannel peristaltic pump, starting stirring under vacuum, continuously adding the dibutyl tin dilaurate in a certain weight ratio into the storage cylinder, and stirring to obtain a component B; and uniformly mixing the component A and the component B according to a certain weight ratio to obtain the double-component organic silicon composition.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (10)
1. The double-component organic silicon composition comprises a component A and a component B, and is characterized in that the component A comprises the following components in parts by weight: 40-60 parts of dimethyl silicone oil, 10-30 parts of a, omega-dihydroxy polydimethylsiloxane, 150-350 parts of filler and 0.5-2 parts of catalyst;
The component B comprises the following components in parts by weight: 20-40 parts of dimethyl silicone oil, 30-50 parts of 1, 2-bis trimethoxy silicon-based ethane, 150-350 parts of filler and 0.5-2 parts of catalyst.
2. The two-component silicone composition according to claim 1, wherein the viscosity of the simethicone is 200 to 400 mPa-s.
3. The two-part silicone composition according to claim 1, wherein the filler is nano-activated calcium carbonate.
4. The two-part silicone composition according to claim 1, wherein the weight ratio of the a-part to the B-part is (5:1) to (7:1).
5. The two-part silicone composition according to claim 1, wherein the catalyst is dibutyltin dilaurate.
6. A production apparatus of the two-component silicone composition according to claims 1 to 5, characterized in that the production apparatus comprises:
The storage device comprises a plurality of storage compartments and is used for storing various raw materials;
The material pumping device comprises a plurality of material pumping pipes and a material pumping mechanism which are communicated with the material storage spaces, and the material pumping mechanism is used for extruding each material pumping pipe so as to pump out raw materials in each material storage space; and
The stirring device comprises a stirring cylinder and a stirring mechanism, wherein each pumping pipe is communicated to the stirring cylinder, and the stirring mechanism is used for stirring raw materials in the stirring cylinder.
7. The apparatus for producing a two-part silicone composition according to claim 6, wherein the material-drawing mechanism is a multichannel peristaltic pump.
8. The apparatus for producing a two-part silicone composition according to claim 6, wherein the pipe diameter of each of the suction pipes is designed in proportion such that the weight of the pumped raw material is proportional.
9. The apparatus for producing a two-part silicone composition according to claim 6, wherein the stirring tank further comprises a filler port for adding a solid raw material into the tank.
10. A method of using the apparatus for producing a two-part silicone composition according to claim 6, comprising:
Adding filler into the stirring cylinder, pumping the dimethyl silicone oil and the a, omega-dihydroxy polydimethylsiloxane in a certain weight ratio into the stirring cylinder through the pumping device, starting stirring under vacuum, and continuously pumping the dibutyl tin dilaurate in a certain weight ratio into the storage cylinder and stirring to obtain a component A;
Adding filler into the stirring cylinder, pumping the dimethyl silicone oil and the 1, 2-bis trimethoxy silicon-based ethane in a certain weight ratio into another stirring cylinder through the pumping device, starting stirring under vacuum, continuously adding the dibutyl tin dilaurate in a certain weight ratio into the storage cylinder, and stirring to obtain a component B;
and uniformly mixing the component A and the component B according to a certain weight ratio to obtain the double-component organic silicon composition.
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| CN202410505394.XA CN118459990A (en) | 2024-04-25 | 2024-04-25 | Double-component organic silicon composition and production equipment thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978706A (en) * | 1989-08-28 | 1990-12-18 | Dow Corning Corporation | Silicone sealants |
| WO2001042365A1 (en) * | 1999-12-10 | 2001-06-14 | General Electric Company | Room temperature curable silicone sealant |
| CN102373031A (en) * | 2010-09-20 | 2012-03-14 | 广州市回天精细化工有限公司 | Condensed type bi-component organosilicon structure rubber composition |
| CN109609083A (en) * | 2018-12-24 | 2019-04-12 | 成都硅宝新材料有限公司 | Two-component silicone structural adhesive for solar thermal power generation and preparation method thereof |
| CN212472011U (en) * | 2020-05-12 | 2021-02-05 | 苏州宝得佳新材料有限公司 | Raw material mixing and stirring equipment |
| CN217132659U (en) * | 2022-02-23 | 2022-08-05 | 昆山金城试剂有限公司 | Raw material sampling device is used in photoresist production |
-
2024
- 2024-04-25 CN CN202410505394.XA patent/CN118459990A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978706A (en) * | 1989-08-28 | 1990-12-18 | Dow Corning Corporation | Silicone sealants |
| WO2001042365A1 (en) * | 1999-12-10 | 2001-06-14 | General Electric Company | Room temperature curable silicone sealant |
| CN102373031A (en) * | 2010-09-20 | 2012-03-14 | 广州市回天精细化工有限公司 | Condensed type bi-component organosilicon structure rubber composition |
| CN109609083A (en) * | 2018-12-24 | 2019-04-12 | 成都硅宝新材料有限公司 | Two-component silicone structural adhesive for solar thermal power generation and preparation method thereof |
| CN212472011U (en) * | 2020-05-12 | 2021-02-05 | 苏州宝得佳新材料有限公司 | Raw material mixing and stirring equipment |
| CN217132659U (en) * | 2022-02-23 | 2022-08-05 | 昆山金城试剂有限公司 | Raw material sampling device is used in photoresist production |
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