CN116120521A - Modified epoxy resin and preparation device thereof - Google Patents
Modified epoxy resin and preparation device thereof Download PDFInfo
- Publication number
- CN116120521A CN116120521A CN202211599443.8A CN202211599443A CN116120521A CN 116120521 A CN116120521 A CN 116120521A CN 202211599443 A CN202211599443 A CN 202211599443A CN 116120521 A CN116120521 A CN 116120521A
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- Prior art keywords
- epoxy resin
- modified epoxy
- reaction kettle
- communicated
- support
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- 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.)
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- 239000003822 epoxy resin Substances 0.000 title claims abstract description 43
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920005862 polyol Polymers 0.000 claims abstract description 10
- 150000003077 polyols Chemical class 0.000 claims abstract description 10
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 9
- 229920000570 polyether Polymers 0.000 claims abstract description 9
- 229960000583 acetic acid Drugs 0.000 claims abstract description 6
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000003111 delayed effect Effects 0.000 abstract description 4
- 229920001225 polyester resin Polymers 0.000 abstract description 4
- 239000004645 polyester resin Substances 0.000 abstract description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 6
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 3
- 229920001451 polypropylene glycol Polymers 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Epoxy Resins (AREA)
Abstract
The invention discloses a modified epoxy resin, which comprises 50-60% of epoxy resin, 8-12% of polyether polyol, 10-15% of diethanolamine, 10-30% of ethyl acetate and 5-10% of glacial acetic acid. The invention provides a modified epoxy resin, which is designed to obtain a toughened water-based polyester resin, and is suitable for practical use; the invention also provides a preparation device of the modified epoxy resin, and the material outlet is modified by the arrangement of the device, so that the continuous collection of materials is convenient, the collection progress is not delayed, and the device is beneficial to actual use.
Description
Technical Field
The invention belongs to the technical field of preparation of epoxy resin, and particularly relates to modified epoxy resin and a preparation device thereof.
Background
Epoxy resins are high molecular polymers, which are a generic term for a class of polymers that contain more than two epoxy groups in the molecule. It is the polycondensation product of epichlorohydrin with bisphenol a or a polyol. In the epoxy resin production process, the reaction is generally carried out in a reaction kettle, when materials in the reaction kettle are collected, a collecting cylinder is placed below a discharge hole of the reaction kettle to collect the materials, when the collecting cylinder is full, the collecting hole is required to be closed, and then the empty collecting cylinder is replaced, so that the materials are continuously collected.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide the modified epoxy resin, and the design of the modified epoxy resin is used for obtaining the toughened water-based polyester resin, so that the modified epoxy resin is suitable for practical use; the invention also provides a preparation device of the modified epoxy resin, and the material outlet is modified by the arrangement of the device, so that the continuous collection of materials is convenient, the collection progress is not delayed, and the device is beneficial to actual use.
In order to achieve the technical purpose and the technical effect, the invention is realized by the following technical scheme:
the modified epoxy resin comprises 50-60% of epoxy resin, 8-12% of polyether polyol, 10-15% of diethanolamine, 10-30% of ethyl acetate and 5-10% of glacial acetic acid.
The preparation device of the modified epoxy resin comprises a reaction kettle and a storage mechanism which is cooperatively arranged at the lower end of the reaction kettle;
the storage mechanism comprises a bottom support assembly and storage tanks arranged at the left end and the right end of the top surface of the bottom support assembly;
the lower end of the reaction kettle is fixedly communicated with a flow distribution assembly, and the storage mechanism is positioned below the flow distribution assembly;
the support frame is installed in the outside cooperation of reation kettle.
Further, the reaction kettle comprises a barrel body and a top cover which are sequentially connected from bottom to top;
the utility model discloses a stirring device for the water heater, including top cap top surface, stirring axle, stirring motor, upper cover top surface center, the top cap top surface center is opened there is the mounting hole, rotatory mounting has the (mixing) shaft in the mounting hole, (mixing) shaft one end is located the barrel, the (mixing) shaft other end electricity is connected with the (mixing) motor, (mixing) motor fixed mounting is in the top of top cap.
Further, the bottom support assembly comprises a first support plate and a second support plate which are arranged in parallel from bottom to top, wherein a first air cylinder is fixedly installed on the periphery of the top surface of the first support plate, and the output end of the first air cylinder is fixedly connected with the second support plate.
Further, the storage tank comprises a tank body and a feeding port which are communicated, and a feeding hole which is communicated with the feeding port is formed in the left end of the top surface of the tank body.
Further, the flow dividing assembly comprises a first connecting pipe and two symmetrically arranged second connecting pipes fixedly communicated with the lower ends of the first connecting pipes, and one ends of the first connecting pipes far away from the second connecting pipes are communicated with the reaction kettle;
one end of the second connecting pipe far away from the first connecting pipe is fixedly communicated with a vertical guide pipe, and a control valve is installed on the vertical guide pipe in a matched mode.
Further, the support frame comprises a rectangular frame and first long plates fixedly arranged at the left end and the right end of the rectangular frame, support columns are fixedly arranged at the front end and the rear end of the lower bottom surface of the first long plate, and a second long plate is fixedly arranged at one end, far away from the first long plate, of each support column;
the periphery of the outer part of the reaction kettle is fixedly provided with a fixing plate, one end of the lower bottom surface of the fixing plate, which is far away from the reaction kettle, is provided with a placing groove, and the edge part of the rectangular frame is positioned in the placing groove;
the top of the placement groove is provided with two symmetrically arranged first threaded holes, first bolts are connected in the first threaded holes in a threaded mode, and second threaded holes matched with the first bolts are formed in the periphery of the top surface of the rectangular frame.
The beneficial effects of the invention are as follows:
1. the invention provides a modified epoxy resin, which is designed to obtain a toughened water-based polyester resin, and is suitable for practical use.
2. The invention also provides a preparation device of the modified epoxy resin, and the material outlet is modified by the arrangement of the device, so that the continuous collection of materials is convenient, the collection progress is not delayed, and the device is beneficial to actual use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is an exploded view of a partial structure of the present invention;
FIG. 4 is a schematic view of a partial structure of the present invention;
FIG. 5 is a schematic view of a partial structure of the present invention;
FIG. 6 is an exploded view of a partial structure of the present invention;
FIG. 7 is a schematic view of a partial structure of the present invention;
FIG. 8 is a front view of a partial structure of the present invention;
FIG. 9 is a partial schematic view of the present invention;
fig. 10 is an exploded view of a partial structure of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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 the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Example 1
A modified epoxy resin, which comprises 50% of epoxy resin, 12% of polyether polyol, 10% of diethanolamine, 22% of ethyl acetate and 6% of glacial acetic acid;
wherein the epoxy resin is known bisphenol A type glycidyl ether epoxy resin; the polyether polyols are all propylene oxide homopolymers.
Example 2
A modified epoxy resin, which comprises 55% of epoxy resin, 10% of polyether polyol, 12% of diethanolamine, 17% of ethyl acetate and 6% of glacial acetic acid;
wherein the epoxy resin is known bisphenol A type glycidyl ether epoxy resin; the polyether polyols are all propylene oxide homopolymers.
Example 3
A modified epoxy resin comprises 60% of epoxy resin, 10% of polyether polyol, 15% of diethanolamine, 10% of ethyl acetate and 5% of glacial acetic acid;
wherein the epoxy resin is known bisphenol A type glycidyl ether epoxy resin; the polyether polyols are all propylene oxide homopolymers.
Example 4
The preparation device of the modified epoxy resin shown in fig. 1 comprises a reaction kettle 1 and a storage mechanism 2 which is cooperatively arranged at the lower end of the reaction kettle 1.
As shown in fig. 2 to 3, the reaction kettle 1 comprises a cylinder 11 and a top cover 12 which are sequentially connected from bottom to top;
the top surface center of top cap 12 opens there is mounting hole 121, and mounting hole 121 internal rotation installs (mixing) shaft 122, and (mixing) shaft 122 one end is located barrel 11, and the (mixing) shaft 122 other end electricity is connected with agitator motor 13, and agitator motor 13 fixed mounting is in the top of top cap 12.
As shown in fig. 4 to 6, the storage mechanism 2 includes a bottom support member 21 and storage tanks 22 placed at both left and right ends of the top surface of the bottom support member 21;
the bottom support assembly 21 comprises a first support plate 211 and a second support plate 212 which are arranged in parallel from bottom to top, wherein a first air cylinder 213 is fixedly arranged on the periphery of the top surface of the first support plate 211, and the output end of the first air cylinder 213 is fixedly connected with the second support plate 212;
wherein two storage tanks 22 are placed on the top surface of the second support plate 212;
the storage tank 22 comprises a tank body 221 and a feed port 222 which are communicated, and a feed hole 223 communicated with the feed port 222 is formed in the left end of the top surface of the tank body 221;
the first cylinder 213 is a known conventional cylinder.
As shown in fig. 7 to 8, the lower end of the reaction kettle 1 is fixedly communicated with a flow dividing assembly 3, and the storage mechanism 2 is positioned below the flow dividing assembly 3;
the flow dividing assembly 3 comprises a first connecting pipe 31 and two symmetrically arranged second connecting pipes 32 fixedly communicated with the lower ends of the first connecting pipes 31, and one end of the first connecting pipe 31 far away from the second connecting pipes 32 is communicated with the reaction kettle 1;
one end of the second connecting pipe 32 far away from the first connecting pipe 31 is fixedly communicated with a vertical conduit 33, and a control valve 34 is cooperatively arranged on the vertical conduit 33;
in actual use, when one of the storage tanks 22 is full, the height of the second support plate 212 can be adjusted through the first cylinder 213, the corresponding second connecting pipe 32 is controlled to stop discharging through the control valve 34, meanwhile, the other control valve 34 is controlled to start discharging the corresponding second connecting pipe 32, and then the full storage tank 22 is extracted and replaced by the empty storage tank 22.
As shown in fig. 9 to 10, a supporting frame 4 is arranged outside the reaction kettle 1 in a matched manner;
the support frame 4 comprises a rectangular frame 41 and first long plates 42 fixedly arranged at the left end and the right end of the rectangular frame 41, support columns 43 are fixedly arranged at the front end and the rear end of the lower bottom surface of the first long plates 42, and a second long plate 44 is fixedly arranged at one end, far away from the first long plates 42, of the support columns 43;
the periphery of the outer part of the reaction kettle 1 is fixedly provided with a fixed plate 14, one end of the lower bottom surface of the fixed plate 14 far away from the reaction kettle 1 is provided with a placing groove 141, and the edge part of the rectangular frame 41 is positioned in the placing groove 141;
the top of the placement groove 141 is provided with two symmetrically arranged first threaded holes 142, the first threaded holes 142 are internally connected with first bolts 143 in a threaded manner, and the periphery of the top surface of the rectangular frame 41 is provided with second threaded holes 411 matched with the first bolts 143;
wherein the first support plate 211 is fixedly connected with the second long plate 44.
The invention provides a modified epoxy resin, which is designed to obtain a toughened water-based polyester resin, and is suitable for practical use; the invention also provides a preparation device of the modified epoxy resin, and the material outlet is modified by the arrangement of the device, so that the modified epoxy resin is convenient to continuously collect, the collection progress is not delayed, and the device is beneficial to actual use.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (7)
1. A modified epoxy resin characterized in that: comprises 50-60% of epoxy resin, 8-12% of polyether polyol, 10-15% of diethanolamine, 10-30% of ethyl acetate and 5-10% of glacial acetic acid.
2. A preparation device of modified epoxy resin is characterized in that: comprises a reaction kettle (1) and a storage mechanism (2) which is cooperatively arranged at the lower end of the reaction kettle (1);
the storage mechanism (2) comprises a bottom support assembly (21) and storage tanks (22) arranged at the left end and the right end of the top surface of the bottom support assembly (21);
the lower end of the reaction kettle (1) is fixedly communicated with a flow distribution assembly (3), and the storage mechanism (2) is positioned below the flow distribution assembly (3);
the support frame (4) is arranged outside the reaction kettle (1) in a matched mode.
3. The apparatus for producing a modified epoxy resin according to claim 2, wherein: the reaction kettle (1) comprises a cylinder body (11) and a top cover (12) which are sequentially connected from bottom to top;
the stirring device is characterized in that a mounting hole (121) is formed in the center of the top surface of the top cover (12), a stirring shaft (122) is rotatably mounted in the mounting hole (121), one end of the stirring shaft (122) is located in the cylinder body (11), the other end of the stirring shaft (122) is electrically connected with a stirring motor (13), and the stirring motor (13) is fixedly mounted at the top of the top cover (12).
4. The apparatus for producing a modified epoxy resin according to claim 2, wherein: the bottom support assembly (21) comprises a first support plate (211) and a second support plate (212) which are arranged in parallel from bottom to top, a first air cylinder (213) is fixedly installed around the top surface of the first support plate (211), and the output end of the first air cylinder (213) is fixedly connected with the second support plate (212).
5. The apparatus for producing a modified epoxy resin according to claim 2, wherein: the storage tank (22) comprises a tank body (221) and a feeding port (222) which are communicated, and a feeding hole (223) communicated with the feeding port (222) is formed in the left end of the top surface of the tank body (221).
6. The apparatus for producing a modified epoxy resin according to claim 2, wherein: the flow dividing assembly (3) comprises a first connecting pipe (31) and two symmetrically arranged second connecting pipes (32) fixedly communicated with the lower ends of the first connecting pipes (31), and one end, far away from the second connecting pipes (32), of the first connecting pipes (31) is communicated with the reaction kettle (1);
one end of the second connecting pipe (32) far away from the first connecting pipe (31) is fixedly communicated with a vertical guide pipe (33), and a control valve (34) is arranged on the vertical guide pipe (33) in a matched mode.
7. The apparatus for producing a modified epoxy resin according to claim 2, wherein: the support frame (4) comprises a rectangular frame (41) and first long plates (42) fixedly arranged at the left end and the right end of the rectangular frame (41), support columns (43) are fixedly arranged at the front end and the rear end of the lower bottom surface of the first long plates (42), and a second long plate (44) is fixedly arranged at one end, far away from the first long plates (42), of each support column (43);
the periphery of the outer part of the reaction kettle (1) is fixedly provided with a fixed plate (14), one end of the lower bottom surface of the fixed plate (14) far away from the reaction kettle (1) is provided with a placement groove (141), and the edge part of the rectangular frame (41) is positioned in the placement groove (141);
the top of the placement groove (141) is provided with two symmetrically arranged first threaded holes (142), first bolts (143) are connected with the first threaded holes (142) in an internal threaded mode, and second threaded holes (411) matched with the first bolts (143) are formed in the periphery of the top surface of the rectangular frame (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211599443.8A CN116120521A (en) | 2022-12-12 | 2022-12-12 | Modified epoxy resin and preparation device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211599443.8A CN116120521A (en) | 2022-12-12 | 2022-12-12 | Modified epoxy resin and preparation device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116120521A true CN116120521A (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211599443.8A Pending CN116120521A (en) | 2022-12-12 | 2022-12-12 | Modified epoxy resin and preparation device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116120521A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205392438U (en) * | 2016-03-08 | 2016-07-27 | 陈源远 | Reation kettle structure with storage device |
| CN110396175A (en) * | 2019-07-24 | 2019-11-01 | 浙江农林大学 | The antibacterial aqueous epoxy resin of self-emulsifying and the application in the protection of wood bamboo material |
| CN111514821A (en) * | 2020-04-27 | 2020-08-11 | 吴飞 | Heat-resistant epoxy resin preparation device |
| CN112622045A (en) * | 2020-12-16 | 2021-04-09 | 余仕敏 | Concrete mixing device for construction |
| CN216799845U (en) * | 2022-03-18 | 2022-06-24 | 陕西邦达诺环保科技有限公司 | Doublestage stirring formula oil-displacing agent apparatus for producing |
-
2022
- 2022-12-12 CN CN202211599443.8A patent/CN116120521A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205392438U (en) * | 2016-03-08 | 2016-07-27 | 陈源远 | Reation kettle structure with storage device |
| CN110396175A (en) * | 2019-07-24 | 2019-11-01 | 浙江农林大学 | The antibacterial aqueous epoxy resin of self-emulsifying and the application in the protection of wood bamboo material |
| CN111514821A (en) * | 2020-04-27 | 2020-08-11 | 吴飞 | Heat-resistant epoxy resin preparation device |
| CN112622045A (en) * | 2020-12-16 | 2021-04-09 | 余仕敏 | Concrete mixing device for construction |
| CN216799845U (en) * | 2022-03-18 | 2022-06-24 | 陕西邦达诺环保科技有限公司 | Doublestage stirring formula oil-displacing agent apparatus for producing |
Non-Patent Citations (1)
| Title |
|---|
| 于义田: "水性环氧聚酯防腐涂料的研究", 《中国涂料》, vol. 26, no. 2, 31 December 2011 (2011-12-31), pages 36 - 38 * |
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