CN112757676A - Method for manufacturing epoxy resin honeycomb model by demolding with demolding agent - Google Patents
Method for manufacturing epoxy resin honeycomb model by demolding with demolding agent Download PDFInfo
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- CN112757676A CN112757676A CN201910294539.5A CN201910294539A CN112757676A CN 112757676 A CN112757676 A CN 112757676A CN 201910294539 A CN201910294539 A CN 201910294539A CN 112757676 A CN112757676 A CN 112757676A
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- epoxy resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0089—Producing honeycomb structures
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Epoxy Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a method for manufacturing an epoxy resin honeycomb model by demolding with a demolding agent, which comprises the following steps: a. taking 100 parts by mass of epoxy resin, adding 15-25 parts by mass of curing agent, uniformly stirring, and cooling to normal temperature; b. taking a little release agent and uniformly spraying the release agent on the wall of the honeycomb; c. b, slowly adding the mixed epoxy resin obtained in the step a into the nest by using a dropper or an injector; d. inserting a lifting rod into the honeycomb added with the mixed epoxy resin; e. and after the mixed epoxy resin is completely cured, taking out the mixed epoxy resin from the honeycomb through the lifting rod to obtain the honeycomb model. The method can be used for manufacturing a nest model which is difficult to deform and corrosion resistant, and is convenient for observing and researching the nest through the nest model.
Description
Technical Field
The invention relates to the technical field of bee-keeping scientific research, in particular to a method for manufacturing an epoxy resin honeycomb model by demolding with a demolding agent.
Background
The honeycomb is a place for bee colony to live and breed offspring and is composed of a honeycomb. The spaces of the honeycombs in the honeycomb are arranged in parallel and are vertical to the ground, and the distance between the honeycombs is 7-10 mm, so that the honeycomb is called as a bee space. Each honeycomb is composed of tens of thousands of cells, and is built by beeswax secreted by the wax gland of the worker bee. The bottom vertexes of the cells on the two sides of the honeycomb are just staggered, and the mutual connection point of the bottoms of the walls of the adjacent 3 hexagonal cells is the bottom vertex of the corresponding cell on the other side of the honeycomb. The cell was composed of a regular hexagonal prism combined with 3 congruent diamond-structured (acute angle 70 ° 32') bases.
Bee hives are the research focus in recent years, and bees build perfect hexagonal hives, which is very rare in the animal kingdom, why are bees to build a hexagonal hive that is a particular structure? How is it built? What time to build? How to use and maintain after construction? The change of the nidus in the using process, the difference between species and the like are researched and clear that the problems can enrich the biology of the bees and can also inspire the survival and development strategy of the high-degree real social behaviors of human beings. Many scientists have made a lot of experiments and try to disclose the mechanism of building the honeycomb by the bees, but the structure of the honeycomb is special, and the language is not easy to describe accurately; the honeycomb is easy to deform and damage under external force, and the beewax begins to soften when the temperature exceeds 38 ℃, so that the honeycomb is distorted and collapsed; the diameter of the honeycomb is small, and the thickness of the wall of the honeycomb is hundreds of microns, so that all parameters of the honeycomb cannot be directly and accurately measured. For these reasons, scientists have not demonstrated the mechanism of bee hive formation. Therefore, in order to facilitate the observation and research of the bee hive in the future, the method has important significance for manufacturing the model with the same size as the hive.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a method for manufacturing an epoxy resin honeycomb model by demolding with a demolding agent, so that a honeycomb model which is difficult to deform and corrosion resistant is manufactured, and observation and research of a honeycomb are facilitated through the honeycomb model.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a method for manufacturing an epoxy resin honeycomb model by demolding with a demolding agent comprises the following steps:
a. adding 15-25 parts by mass of a curing agent into 100 parts by mass of epoxy resin, wherein the curing agent is one or a combination of diethylenetriamine, triethylene tetramine, tetraethylene pentamine, polyethylene polyamine and dipropylene triamine, uniformly stirring, and cooling to normal temperature;
b. taking a little release agent and uniformly spraying the release agent on the wall of the honeycomb;
c. b, slowly adding the mixed epoxy resin obtained in the step a into the nest by using a dropper or an injector;
d. inserting a lifting rod into the honeycomb added with the mixed epoxy resin;
e. and after the mixed epoxy resin is completely cured, taking out the mixed epoxy resin from the honeycomb through the lifting rod to obtain the honeycomb model.
Preferably, before the epoxy resin is added with the curing agent in the step a, 1.5-2.5 parts by mass of a modifier is added into the epoxy resin and uniformly stirred, wherein the modifier is phenolic resin.
Preferably, after the curing agent is added in the step a, 10-15 parts by mass of an accelerator is added into the epoxy resin, wherein the accelerator is tertiary amine or a derivative thereof.
Preferably, in the step a, 40-50 parts by mass of a filler is added and uniformly stirred, wherein the filler is one of quartz powder, porcelain powder, iron powder and carborundum.
Preferably, in step b, a dropper or a syringe is extended into the bottom of the cell, and the product obtained in step a is gradually added from the bottom upwards.
Preferably, one end of the lifting rod is in a hook shape, and the hook-shaped end of the lifting rod is inserted into the honeycomb added with the mixed epoxy resin.
Preferably, the epoxy resin is a bisphenol a type epoxy resin.
(III) advantageous effects
In conclusion, the invention has the following beneficial effects: firstly, a honeycomb model is made of epoxy resin, so that observation and research of a honeycomb can be conveniently carried out through the honeycomb model;
secondly, phenolic resin is added into the epoxy resin to change the properties, so that the cured product has better heat resistance and corrosion resistance;
thirdly, tertiary amine or derivatives thereof are added into the epoxy resin as an accelerator, so that the curing time is effectively shortened;
fourthly, one of quartz powder, porcelain powder, iron powder and carborundum is added into the epoxy resin as a filling agent, so that the hardness of a cured product can be effectively improved, and the cured product is not easy to deform;
fifthly, demolding is carried out by adopting a demolding mode of a demolding agent, and the demolding process is completed on the premise of not damaging the honeycomb;
and sixthly, the mode of slowly and upwards adding the epoxy resin at the bottom of the honeycomb is adopted, so that bubbles can be effectively prevented from being generated after the honeycomb model is cured.
Detailed Description
Example 1:
a. adding 20 parts by mass of curing agent into 100 parts by mass of epoxy resin, uniformly stirring the curing agent which is diethylenetriamine, and cooling the curing agent to normal temperature;
b. taking a little release agent and uniformly spraying the release agent on the wall of the honeycomb;
c. b, absorbing the mixed epoxy resin obtained in the step a by using an injector, extending the mixed epoxy resin to the bottom of the honeycomb, and gradually and upwards adding the mixed epoxy resin into the honeycomb from the bottom;
d. inserting a lifting rod into the honeycomb added with the mixed epoxy resin, wherein one end of the lifting rod is hook-shaped, and the hook-shaped end of the lifting rod is inserted into the honeycomb added with the mixed epoxy resin;
e. and after the mixed epoxy resin is completely cured, taking out the mixed epoxy resin from the honeycomb through the lifting rod to obtain the honeycomb model.
Example 2:
a. adding 2 parts by mass of a modifier into 100 parts by mass of epoxy resin, wherein the modifier is phenolic resin, and the epoxy resin is bisphenol A type epoxy resin, and uniformly stirring; then adding 20 parts by mass of a curing agent which is diethylenetriamine, uniformly stirring, and cooling to normal temperature;
b. taking a little release agent and uniformly spraying the release agent on the wall of the honeycomb;
c. b, absorbing the mixed epoxy resin obtained in the step a by using an injector, extending the mixed epoxy resin to the bottom of the honeycomb, and gradually and upwards adding the mixed epoxy resin into the honeycomb from the bottom;
d. inserting a lifting rod into the honeycomb added with the mixed epoxy resin, wherein one end of the lifting rod is hook-shaped, and the hook-shaped end of the lifting rod is inserted into the honeycomb added with the mixed epoxy resin;
e. and after the mixed epoxy resin is completely cured, taking out the mixed epoxy resin from the honeycomb through the lifting rod to obtain the honeycomb model.
Example 3:
a. adding 2 parts by mass of a modifier into 100 parts by mass of epoxy resin, wherein the modifier is phenolic resin, and the epoxy resin is bisphenol A type epoxy resin, and uniformly stirring; then 20 parts by mass of a curing agent is added, wherein the curing agent is diethylenetriamine; adding 12 parts of accelerator which is tertiary amine, uniformly stirring, and cooling to normal temperature;
b. taking a little release agent and uniformly spraying the release agent on the wall of the honeycomb;
c. b, absorbing the mixed epoxy resin obtained in the step a by using an injector, extending the mixed epoxy resin to the bottom of the honeycomb, and gradually and upwards adding the mixed epoxy resin into the honeycomb from the bottom;
d. inserting a lifting rod into the honeycomb added with the mixed epoxy resin, wherein one end of the lifting rod is hook-shaped, and the hook-shaped end of the lifting rod is inserted into the honeycomb added with the mixed epoxy resin;
e. and after the mixed epoxy resin is completely cured, taking out the mixed epoxy resin from the honeycomb through the lifting rod to obtain the honeycomb model.
Example 4:
a. adding 2 parts by mass of a modifier into 100 parts by mass of epoxy resin, wherein the modifier is phenolic resin, and the epoxy resin is bisphenol A type epoxy resin, and uniformly stirring; then 20 parts by mass of a curing agent is added, wherein the curing agent is diethylenetriamine; adding 12 parts of an accelerator, wherein the accelerator is tertiary amine; finally, adding 45 parts by mass of a filler which is porcelain powder, uniformly stirring, and cooling to normal temperature;
b. taking a little release agent and uniformly spraying the release agent on the wall of the honeycomb;
c. b, absorbing the mixed epoxy resin obtained in the step a by using an injector, extending the mixed epoxy resin to the bottom of the honeycomb, and gradually and upwards adding the mixed epoxy resin into the honeycomb from the bottom;
d. inserting a lifting rod into the honeycomb added with the mixed epoxy resin, wherein one end of the lifting rod is hook-shaped, and the hook-shaped end of the lifting rod is inserted into the honeycomb added with the mixed epoxy resin;
e. and after the mixed epoxy resin is completely cured, taking out the mixed epoxy resin from the honeycomb through the lifting rod to obtain the honeycomb model.
Comparative example: the traditional polyester resin and the curing agent thereof are mixed and then added into the honeycomb for curing, and the honeycomb is manually peeled off after curing to obtain the model.
The following table shows the results of testing the time to complete cure, heat distortion temperature, hardness, acid resistance and alkali resistance of the comparative examples and examples 1-4.
| Comparative example | Example 1 | Example 2 | Example 3 | Example 4 | |
| Curing time | 8h | 2h | 2.2h | 0.4h | 0.4h |
| Heat distortion temperature | 54℃ | 106℃ | 162℃ | 160℃ | 167℃ |
| Hardness of | Is lower than | Is lower than | Is higher than | Is higher than | Height of |
| Tolerance to 10% HCL | 12h | 12h | 48h | 48h | 36h |
| Resisting 10% NaOH | 24h | 24h | 72h | 72h | 84h |
From the test results in the table, compared with the traditional honeycomb made of polyester resin, the honeycomb made by the method has the advantages of shorter curing time, higher thermal deformation temperature, higher hardness, higher acid and alkali resistance, improved thermal deformation temperature and acid and alkali resistance after the modifier is added, greatly shortened curing time after the tertiary amine is added as the accelerator, and improved hardness and acid and alkali resistance after the filler is added.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. A method for manufacturing an epoxy resin honeycomb model by demolding with a demolding agent is characterized by comprising the following steps:
a. adding 15-25 parts by mass of a curing agent into 100 parts by mass of epoxy resin, wherein the curing agent is one or a combination of diethylenetriamine, triethylene tetramine, tetraethylene pentamine, polyethylene polyamine and dipropylene triamine, uniformly stirring, and cooling to normal temperature;
b. taking a little release agent and uniformly spraying the release agent to the inner side of the honeycomb;
c. b, slowly adding the mixed epoxy resin obtained in the step a into the nest by using a dropper or an injector;
d. inserting a lifting rod into the honeycomb added with the mixed epoxy resin;
e. and after the mixed epoxy resin is completely cured, taking out the mixed epoxy resin from the honeycomb through the lifting rod to obtain the honeycomb model.
2. The method of claim 1, wherein the mold release agent is used to release the epoxy resin nest mold, and the method comprises the steps of: and (b) before the epoxy resin is added with the curing agent in the step (a), adding 1.5-2.5 parts by mass of a modifier into the epoxy resin, and uniformly stirring, wherein the modifier is phenolic resin.
3. The method of claim 1, wherein the mold release agent is used to release the epoxy resin nest mold, and the method comprises the steps of: and (b) after the curing agent is added in the step (a), adding 10-15 parts by mass of an accelerator into the epoxy resin, wherein the accelerator is tertiary amine or a derivative thereof.
4. The method of claim 1, wherein the mold release agent is used to release the epoxy resin nest mold, and the method comprises the steps of: and (b) adding 40-50 parts by mass of a filler in the step (a) and uniformly stirring, wherein the filler is one of quartz powder, porcelain powder, iron powder and carborundum.
5. The method of claim 1, wherein the mold release agent is used to release the epoxy resin nest mold, and the method comprises the steps of: in the step b, a dropper or a syringe is extended into the bottom of the honeycomb, and the product obtained in the step a is gradually added upwards from the bottom.
6. The method of claim 1, wherein the mold release agent is used to release the epoxy resin nest mold, and the method comprises the steps of: one end of the lifting rod is hook-shaped, and the hook-shaped end of the lifting rod is inserted into the honeycomb added with the mixed epoxy resin.
7. The method of claim 1, wherein the mold release agent is used to release the epoxy resin nest mold, and the method comprises the steps of: the epoxy resin is bisphenol A type epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294539.5A CN112757676A (en) | 2019-04-12 | 2019-04-12 | Method for manufacturing epoxy resin honeycomb model by demolding with demolding agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294539.5A CN112757676A (en) | 2019-04-12 | 2019-04-12 | Method for manufacturing epoxy resin honeycomb model by demolding with demolding agent |
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| CN112757676A true CN112757676A (en) | 2021-05-07 |
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| CN201910294539.5A Pending CN112757676A (en) | 2019-04-12 | 2019-04-12 | Method for manufacturing epoxy resin honeycomb model by demolding with demolding agent |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468241A (en) * | 1973-07-06 | 1977-03-23 | Pittsburgh Corning Corp | Mould and method of making the same |
| CN101059198A (en) * | 2007-05-22 | 2007-10-24 | 浙江理工大学 | Honeycomb type tri-dimensional stereo hollow woven reinforced composite material molding method |
| CN101602925A (en) * | 2008-06-15 | 2009-12-16 | 比亚迪股份有限公司 | A kind of halogen-free ethoxyline resin antiflaming tackiness agent and glued membrane thereof |
| CN104760340A (en) * | 2015-03-12 | 2015-07-08 | 燕山大学 | Honeycomb aluminum-epoxy resin composite sandwich plate and preparation method thereof |
| CN105291326A (en) * | 2015-10-20 | 2016-02-03 | 中国矿业大学(北京) | Epoxy resin photoelastic model and manufacturing method thereof |
| CN107538763A (en) * | 2017-08-23 | 2018-01-05 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | The processing method and curved surface honeycomb of a kind of curved surface honeycomb |
| CN108527889A (en) * | 2018-04-03 | 2018-09-14 | 东华大学 | A kind of honeycomb curved surface high-efficiency machining method |
-
2019
- 2019-04-12 CN CN201910294539.5A patent/CN112757676A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468241A (en) * | 1973-07-06 | 1977-03-23 | Pittsburgh Corning Corp | Mould and method of making the same |
| CN101059198A (en) * | 2007-05-22 | 2007-10-24 | 浙江理工大学 | Honeycomb type tri-dimensional stereo hollow woven reinforced composite material molding method |
| CN101602925A (en) * | 2008-06-15 | 2009-12-16 | 比亚迪股份有限公司 | A kind of halogen-free ethoxyline resin antiflaming tackiness agent and glued membrane thereof |
| CN104760340A (en) * | 2015-03-12 | 2015-07-08 | 燕山大学 | Honeycomb aluminum-epoxy resin composite sandwich plate and preparation method thereof |
| CN105291326A (en) * | 2015-10-20 | 2016-02-03 | 中国矿业大学(北京) | Epoxy resin photoelastic model and manufacturing method thereof |
| CN107538763A (en) * | 2017-08-23 | 2018-01-05 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | The processing method and curved surface honeycomb of a kind of curved surface honeycomb |
| CN108527889A (en) * | 2018-04-03 | 2018-09-14 | 东华大学 | A kind of honeycomb curved surface high-efficiency machining method |
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Application publication date: 20210507 |
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