CN103589112A - Cured epoxy resin, injection mould and production method thereof - Google Patents
Cured epoxy resin, injection mould and production method thereof Download PDFInfo
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- CN103589112A CN103589112A CN201310438168.6A CN201310438168A CN103589112A CN 103589112 A CN103589112 A CN 103589112A CN 201310438168 A CN201310438168 A CN 201310438168A CN 103589112 A CN103589112 A CN 103589112A
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- epoxy resin
- injection mold
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- glycerine
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Abstract
The invention discloses cured epoxy resin which comprises the following components in parts by weight: 80-85 parts of epoxy resin 6207#, 15-18 parts of epoxy resin 634#, 230-250 parts of metal aluminum powder, 40-45 parts of maleic anhydride and 5.6-5.9 parts of glycerin. The invention also discloses an injection mould and a production method thereof. The cured epoxy resin disclosed by the invention is silver gray with metallic luster and has good heat resistance, hardness, impact strength and compressive strength; since the raw materials are cheap, the cost is relatively low.
Description
Technical field
The invention belongs to engineering plastics injection mold field, relate in particular to a kind of epoxy resin cured product, injection mold with and preparation method thereof.
Background technology
The injection molding of engineering plastics is carried out under high temperature, high pressure, thereby requires epoxy resin as injection mold material must have enough physical strengths, good resistance toheat and certain heat conductivility.
Epoxy resin is various in style, but has been widely used dihydroxyphenyl propane based epoxy resin and the large class of cycloaliphatic epoxy resin two:
The feature of dihydroxyphenyl propane based epoxy resin is to have high bonding force, high chemical stability, low-shrinkage, good mechanical electric performance and operational characteristic.But this based epoxy resin is except using special curing agent, if use the resistance toheat of general its cured product of stiffening agent, is lower.
Cycloaliphatic epoxy resin in general viscosity is low, good manufacturability, and their molecular structure is tightr, and cured article hardness is large, has good resistance toheat, the special performances such as excellent ultraviolet resistance is aging, weather.But mechanical property is poor.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiency in prior art, provide a kind of epoxy resin cured product, injection mold with and preparation method thereof, the resistance toheat that solves epoxy resin cured product in prior art is poor, the problem of bad mechanical property.
The technical solution adopted for the present invention to solve the technical problems is: a kind of epoxy resin cured product, comprises by weight:
The epoxy resin 6207 of 80 ~ 85 parts
#;
The epoxy resin 634 of 15 ~ 18 parts
#;
The metallic aluminium powder of 230 ~ 250 parts;
The uncommon dicarboxylic anhydride of suitable fourth of 40 ~ 45 parts;
The glycerine of 5.6 ~ 5.9 parts.
Preferably, in above-mentioned epoxy resin cured product, comprise by weight:
The epoxy resin 6207 of 84 parts
#;
The epoxy resin 634 of 18 parts
#;
The metallic aluminium powder of 230 parts;
The uncommon dicarboxylic anhydride of suitable fourth of 45 parts;
The glycerine of 5.9 parts.
Preferably, in above-mentioned epoxy resin cured product, in described epoxy resin cured product, also contain Steel Wool.
The invention also discloses a kind of injection mold, the material of described injection mold comprises by weight:
The epoxy resin 6207 of 80 ~ 85 parts
#;
The epoxy resin 634 of 15 ~ 18 parts
#;
The metallic aluminium powder of 230 ~ 250 parts;
The uncommon dicarboxylic anhydride of suitable fourth of 40 ~ 45 parts;
The glycerine of 5.6 ~ 5.9 parts.
Preferably, in above-mentioned injection mold, the material of described injection mold comprises by weight:
The epoxy resin 6207 of 84 parts
#;
The epoxy resin 634 of 18 parts
#;
The metallic aluminium powder of 230 parts;
The uncommon dicarboxylic anhydride of suitable fourth of 45 parts;
The glycerine of 5.9 parts.
Preferably, in above-mentioned injection mold, described injection mold is in order to injection moulding engineering plastics.
Preferably, in above-mentioned injection mold, in the material of described injection mold, also contain Steel Wool.
Correspondingly, the invention also discloses a kind of making method of injection mold,
S1, by epoxy resin 6207
#with even along the uncommon dicarboxylic anhydride melting at 75 ~ 86 ℃ of fourth;
S2, add glycerine and at 80 ~ 90 ℃, oily matter dissolved;
S3, add epoxy resin 634
#mix;
S4, add metallic aluminium powder to stir, and insulation at 80 ~ 90 ℃;
S5, be evacuated to stillly, then pour into a mould and obtain injection mold.
Preferably, in the making method of above-mentioned injection mold, in described step S1, epoxy resin 6207
#with even along the uncommon dicarboxylic anhydride melting at 80 ℃ of fourth; In described step S2, add glycerine and at 86 ℃, oily matter dissolved.
Preferably, in the making method of above-mentioned injection mold, in described step S4, add metallic aluminium powder to stir, and be incubated 2 hours at 85 ℃.
The invention has the beneficial effects as follows, of the present invention obtained injection mold is silver gray and has metalluster, has good thermotolerance, hardness, shock strength and ultimate compression strength, and because various raw materials are cheap, so cost is also lower.
Embodiment
In most preferred embodiment of the present invention, the material of injection mold comprises epoxy resin 6207
#, epoxy resin 634
#, metallic aluminium powder, along fourth uncommon dicarboxylic anhydride, glycerine and Steel Wool.
As the epoxy resin of injection mold material, must there is enough physical strengths, good resistance toheat and certain heat conductivility.
Epoxy resin 6207
#that cycloaliphatic epoxy resin resistance toheat is a kind of preferably.Epoxy resin 6207
#be soluble in acetic acid, benzene, methyl alcohol, tetracol phenixin, acetone and other organic solvent, be slightly soluble in water.Epoxy resin 6207
#molecular structure tightr, after solidifying, interlinkage degree is high, cured product hardness is larger, and has higher heat resistance.Due to it, there is again the structure of five-ring and six-ring, intrinsic good weathering resistance and light fastness aging.
Epoxy resin 6207
#cured product more crisp, more obvious when particularly just having solidified but not solidified completely.In order to solve the fragility problem of epoxy resin, use epoxy resin 634
#carry out modified epoxy 6207
#fragility, can also play simultaneously and regulate 6207
#the effect of viscosity.
Along the uncommon dicarboxylic anhydride of fourth, as stiffening agent, there is good processing performance.
Metallic aluminium powder, as the filler of epoxy resin, can reduce linear expansivity and shrinkability, increases heat conductivility, changes hardness, reduces exothermic effects, the performance characteristic of improving bond properties and changing resin system.
The making method of injection mold is as follows:
One, by following weight quota, take each raw material:
The epoxy resin 6207 of 84 parts
#;
The epoxy resin 634 of 18 parts
#;
The metallic aluminium powder of 230 parts;
The uncommon dicarboxylic anhydride of suitable fourth of 45 parts;
The glycerine of 5.9 parts.
Two, by epoxy resin 6207
#with even along the uncommon dicarboxylic anhydride melting at 80 ℃ of fourth.
Three, add glycerine and at 86 ℃, oily matter dissolved.
Four, add epoxy resin 634
#mix.
Five, add metallic aluminium powder to stir, and be incubated 2 hours at 85 ℃.
Six, be evacuated to stillly, then pour into a mould and obtain injection mold.
Physicals to mould is tested (in specimen, not adding Steel Wool):
Outward appearance: silver gray metal luster;
Martin heat resistance (℃): 240;
Brinell hardness (Kg/cm
2): 28.8;
Shock strength (Kgcm/cm
2): 18.6;
Ultimate compression strength (Kg/cm): have calenderability after 2000;
Shrinking percentage (%): 0.15;
Linear expansivity (1/ ℃) 1.56*10
-5.
Injection mold of the present invention, can be preferably applied to the injection molding of engineering plastics.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to claim scope.
Claims (10)
1. an epoxy resin cured product, is characterized in that, comprises by weight:
The epoxy resin 6207 of 80 ~ 85 parts
#;
The epoxy resin 634 of 15 ~ 18 parts
#;
The metallic aluminium powder of 230 ~ 250 parts;
The uncommon dicarboxylic anhydride of suitable fourth of 40 ~ 45 parts;
The glycerine of 5.6 ~ 5.9 parts.
2. epoxy resin cured product according to claim 1, is characterized in that: comprise by weight:
The epoxy resin 6207 of 84 parts
#;
The epoxy resin 634 of 18 parts
#;
The metallic aluminium powder of 230 parts;
The uncommon dicarboxylic anhydride of suitable fourth of 45 parts;
The glycerine of 5.9 parts.
3. epoxy resin cured product according to claim 1, is characterized in that: in described epoxy resin cured product, also contain Steel Wool.
4. an injection mold, is characterized in that: the material of described injection mold comprises by weight:
The epoxy resin 6207 of 80 ~ 85 parts
#;
The epoxy resin 634 of 15 ~ 18 parts
#;
The metallic aluminium powder of 230 ~ 250 parts;
The uncommon dicarboxylic anhydride of suitable fourth of 40 ~ 45 parts;
The glycerine of 5.6 ~ 5.9 parts.
5. injection mold according to claim 4, is characterized in that: the material of described injection mold comprises by weight:
The epoxy resin 6207 of 84 parts
#;
The epoxy resin 634 of 18 parts
#;
The metallic aluminium powder of 230 parts;
The uncommon dicarboxylic anhydride of suitable fourth of 45 parts;
The glycerine of 5.9 parts.
6. injection mold according to claim 4, is characterized in that: described injection mold is in order to injection moulding engineering plastics.
7. injection mold according to claim 4, is characterized in that: in the material of described injection mold, also contain Steel Wool.
8. the making method of injection mold described in claim 4, is characterized in that:
S1, by epoxy resin 6207
#with even along the uncommon dicarboxylic anhydride melting at 75 ~ 86 ℃ of fourth;
S2, add glycerine and at 80 ~ 90 ℃, oily matter dissolved;
S3, add epoxy resin 634
#mix;
S4, add metallic aluminium powder to stir, and insulation at 80 ~ 90 ℃;
S5, be evacuated to stillly, then pour into a mould and obtain injection mold.
9. the making method of injection mold according to claim 8, is characterized in that: in described step S1, and epoxy resin 6207
#with even along the uncommon dicarboxylic anhydride melting at 80 ℃ of fourth; In described step S2, add glycerine and at 86 ℃, oily matter dissolved.
10. the making method of injection mold according to claim 8, is characterized in that: in described step S4, add metallic aluminium powder to stir, and be incubated 2 hours at 85 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438168.6A CN103589112A (en) | 2013-09-24 | 2013-09-24 | Cured epoxy resin, injection mould and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310438168.6A CN103589112A (en) | 2013-09-24 | 2013-09-24 | Cured epoxy resin, injection mould and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103589112A true CN103589112A (en) | 2014-02-19 |
Family
ID=50079446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310438168.6A Pending CN103589112A (en) | 2013-09-24 | 2013-09-24 | Cured epoxy resin, injection mould and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103589112A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107987483A (en) * | 2017-12-26 | 2018-05-04 | 天津康普斯特科技发展有限公司 | A kind of method of the hybrid resin for being used to quickly manufacture injection mold and quick manufacture injection mold |
| CN109177057A (en) * | 2018-08-15 | 2019-01-11 | 重庆电子工程职业学院 | Combined injection mold |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61172709A (en) * | 1985-01-28 | 1986-08-04 | Takaoka Kogyo Kk | Manufacture of resin mold for synthetic resin molding |
| CN1597296A (en) * | 2004-07-21 | 2005-03-23 | 福耀玻璃工业集团股份有限公司 | Injection shaping mould and its manufacturing method |
| KR100631077B1 (en) * | 2004-08-13 | 2006-10-02 | (주)현대공업 | Heat resistant sealing plastic for injection molding |
-
2013
- 2013-09-24 CN CN201310438168.6A patent/CN103589112A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61172709A (en) * | 1985-01-28 | 1986-08-04 | Takaoka Kogyo Kk | Manufacture of resin mold for synthetic resin molding |
| CN1597296A (en) * | 2004-07-21 | 2005-03-23 | 福耀玻璃工业集团股份有限公司 | Injection shaping mould and its manufacturing method |
| KR100631077B1 (en) * | 2004-08-13 | 2006-10-02 | (주)현대공업 | Heat resistant sealing plastic for injection molding |
Non-Patent Citations (3)
| Title |
|---|
| 史仁基: ""环氧树脂在船用仪表上的应用"", 《造船技术》, no. 5, 30 May 1980 (1980-05-30), pages 35 - 37 * |
| 广州市环氧注塑模具攻关小组: ""环氧树脂制造的工程塑料注射模具"", 《模具通讯》, no. 3, 1 April 1975 (1975-04-01), pages 8 - 36 * |
| 殷立新等: "《胶粘基础与胶粘剂》", 31 August 1988, article ""胶粘基础与胶粘剂"", pages: 83 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107987483A (en) * | 2017-12-26 | 2018-05-04 | 天津康普斯特科技发展有限公司 | A kind of method of the hybrid resin for being used to quickly manufacture injection mold and quick manufacture injection mold |
| CN107987483B (en) * | 2017-12-26 | 2020-11-03 | 天津康普斯特科技发展有限公司 | Method for quickly manufacturing injection mold |
| CN109177057A (en) * | 2018-08-15 | 2019-01-11 | 重庆电子工程职业学院 | Combined injection mold |
| CN109177057B (en) * | 2018-08-15 | 2020-12-01 | 重庆电子工程职业学院 | Combined injection mold |
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Application publication date: 20140219 |