CN105255108A - High-temperature-resistant epoxy resin mold and preparation method thereof - Google Patents
High-temperature-resistant epoxy resin mold and preparation method thereof Download PDFInfo
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- CN105255108A CN105255108A CN201510666418.0A CN201510666418A CN105255108A CN 105255108 A CN105255108 A CN 105255108A CN 201510666418 A CN201510666418 A CN 201510666418A CN 105255108 A CN105255108 A CN 105255108A
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Abstract
The invention provides a high-temperature-resistant epoxy resin mold and a preparation method thereof. The high-temperature-resistant epoxy resin mold comprises components by weight as follows: 50-80 parts of epoxy resin, 10-30 parts of a curing agent, 5-20 parts of fiberglass gridding cloth and 1-4 parts of a modifying agent. The high-temperature-resistant epoxy resin mold can solve the problems of severe buckling deformation, blistering, layering and the like when working in the high-temperature, high-pressure and hot-steam work environment, has high strength and is sturdy and durable, and the quality of a formed board is greatly improved.
Description
Technical field
The present invention relates to a kind of mould and preparation method thereof, especially a kind of high-temperature-resistant epoxy resin mould and preparation method thereof.
Background technology
The Working environment of mould is be in >=the high temperature of 70 DEG C, bear hot steam and 20MPa high pressure, during existing epoxy resin mould is used repeatedly, often occurs the problems such as serious buckling deformation, foaming, layering, causes shaping sheet material not meet technical requirements.
Summary of the invention
The invention provides high high-temperature-resistant epoxy resin mould of a kind of intensity and preparation method thereof.
Realize the high-temperature-resistant epoxy resin mould of one of the object of the invention, comprising weight ratio is: epoxy resin 50 ~ 80 parts, 10 ~ 30 parts, solidifying agent, fibrous mesh cloth 5 ~ 20 parts and properties-correcting agent 1 ~ 4 part.
It is γ-glycidyl ether oxygen propyl trimethoxy silicane 2 ~ 4 parts, ethanol 85 ~ 95 parts and trolamine 5 ~ 8 parts that described properties-correcting agent comprises weight ratio.
Described fibrous mesh cloth is the grid cloth of glass fibre and carbon fiber blending.
Realize the preparation method of the high-temperature-resistant epoxy resin mould of the object of the invention two, comprise the steps:
(1) by proportioning, γ-glycidyl ether oxygen propyl trimethoxy silicane, ethanol, trolamine are stirred, namely obtain properties-correcting agent;
(2) properties-correcting agent even application is surperficial at fibrous mesh cloth, and fully infiltrate, use Industrial fan to be dried up by the fibrous mesh cloth being coated with self-control properties-correcting agent;
(3) by proportioning, epoxy resin, solidifying agent are uniformly mixed and obtain resin solution, the resin solution prepared is brushed on mould, lay the fibrous mesh cloth after drying up;
(4) successively brushing resin solution and lay dry up after fibrous mesh cloth to setting thickness and effects on surface carry out striking off process.
The preparation method of described high-temperature-resistant epoxy resin mould, also comprises step (5) self-vulcanizing demoulding after 1 day, and to put into temperature be that the curing room of 70 DEG C carries out High Temperature Curing 1 day.
The preparation method of described high-temperature-resistant epoxy resin mould, also comprises that die surface carries out repairing, polishes by step (6), polishing.
The beneficial effect of high-temperature-resistant epoxy resin mould of the present invention and preparation method thereof is as follows:
High-temperature-resistant epoxy resin mould of the present invention, work problems such as there will not be serious buckling deformation, foaming, layering under the Working environment of high temperature, high pressure, hot steam, and intensity is high, sturdy and durable, substantially increases the quality of sheet forming.
Embodiment
Embodiment 1:
The high-temperature-resistant epoxy resin mould of the present embodiment, comprising weight ratio is: epoxy resin 80 parts, 20 parts, solidifying agent, fibrous mesh cloth 10 parts and properties-correcting agent 3 parts.
It is γ-glycidyl ether oxygen propyl trimethoxy silicane 2 parts, ethanol 90 parts and trolamine 8 parts that described properties-correcting agent comprises weight ratio.
Fibrous mesh cloth is the grid cloth of glass fibre and carbon fiber blending.
The preparation method of the high-temperature-resistant epoxy resin mould of the present embodiment, comprises the steps:
(1) by proportioning, γ-glycidyl ether oxygen propyl trimethoxy silicane, ethanol, trolamine are stirred, namely obtain properties-correcting agent;
(2) properties-correcting agent even application is surperficial at fibrous mesh cloth, and fully infiltrate, use Industrial fan to be dried up by the fibrous mesh cloth being coated with self-control properties-correcting agent;
(3) by proportioning, epoxy resin, solidifying agent are uniformly mixed and obtain resin solution, the resin solution prepared is brushed on mould, lay the fibrous mesh cloth after drying up;
(4) successively brushing resin solution and lay dry up after fibrous mesh cloth to setting thickness and effects on surface carry out striking off process;
(5) self-vulcanizing demoulding after 1 day, and to put into temperature be that the curing room of 70 DEG C carries out High Temperature Curing 1 day;
(6) die surface carried out repair, polish, polishing.
Comparative example 1:
Production method is identical with embodiment 1, unlike: strongthener fiberglass gridding cloth non-modified agent process.
High temperature resistant experimental result:
The resin die of embodiment 1: 180 DEG C, laboratory baking oven 3h is without bubbling, layering, metamorphism; Production line 100 DEG C of high temperature, hot steam, 20MPa high pressure Reusability more than 200 times without bubbling, layering, metamorphism.
The resin die of comparative example 1: 180 DEG C, laboratory baking oven 3h bubbling, demixing phenomenon are serious; There is serious bubbling, layering, metamorphism 8-20 time in production line 100 DEG C of high temperature, hot steam, 20MPa high pressure Reusability.
Embodiment 2:
The high-temperature-resistant epoxy resin mould of the present embodiment, comprising weight ratio is: epoxy resin 70 parts, 30 parts, solidifying agent, fibrous mesh cloth 20 parts and properties-correcting agent 4 parts.
It is γ-glycidyl ether oxygen propyl trimethoxy silicane 4 parts, ethanol 85 parts and trolamine 7 parts that described properties-correcting agent comprises weight ratio.
The preparation method of the high-temperature-resistant epoxy resin mould of the present embodiment is identical with the preparation method of embodiment 1.
Comparative example 2:
Production method is identical with embodiment 2, unlike: strongthener fiberglass gridding cloth non-modified agent process.
High temperature resistant experimental result:
The resin die of embodiment 2: 180 DEG C, laboratory baking oven 3h is without bubbling, layering, metamorphism; Production line 100 DEG C of high temperature, hot steam, 20MPa high pressure Reusability more than 200 times without bubbling, layering, metamorphism.
The resin die of comparative example 2: 180 DEG C, laboratory baking oven 3h bubbling, demixing phenomenon are serious; There is serious bubbling, layering metamorphism 8-20 time in production line 100 DEG C of high temperature, hot steam, 20MPa high pressure Reusability.
Embodiment 3:
The high-temperature-resistant epoxy resin mould of the present embodiment, comprising weight ratio is: epoxy resin 50 parts, 10 parts, solidifying agent, fibrous mesh cloth 5 parts and properties-correcting agent 1 part.
It is γ-glycidyl ether oxygen propyl trimethoxy silicane 3 parts, alcohol 95 part and trolamine 5 parts that described properties-correcting agent comprises weight ratio.
The preparation method of the high-temperature-resistant epoxy resin mould of the present embodiment is identical with the preparation method of embodiment 1.
Comparative example 3:
Production method is identical with embodiment 3, unlike: strongthener fiberglass gridding cloth non-modified agent process.
High temperature resistant experimental result:
The resin die of embodiment 3: 180 DEG C, laboratory baking oven 3h is without bubbling, layering, metamorphism; Production line 100 DEG C of high temperature, hot steam, 20MPa high pressure Reusability more than 200 times without bubbling, layering, metamorphism.
The resin die of comparative example 3: 180 DEG C, laboratory baking oven 3h bubbling, demixing phenomenon are serious; There is serious bubbling, layering metamorphism 8-20 time in production line 100 DEG C of high temperature, hot steam, 20MPa high pressure Reusability.
Embodiment recited above is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; do not departing under the present invention designs spiritual prerequisite; the various distortion that the common engineering technical personnel in this area make technical solution of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (5)
1. a high-temperature-resistant epoxy resin mould, comprising weight ratio is: epoxy resin 50 ~ 80 parts, 10 ~ 30 parts, solidifying agent, fibrous mesh cloth 5 ~ 20 parts and properties-correcting agent 1 ~ 4 part;
It is γ-glycidyl ether oxygen propyl trimethoxy silicane 2 ~ 4 parts, ethanol 85 ~ 95 parts and trolamine 5 ~ 8 parts that described properties-correcting agent comprises weight ratio.
2. high-temperature-resistant epoxy resin mould according to claim 1, is characterized in that: described fibrous mesh cloth is the grid cloth of glass fibre and carbon fiber blending.
3. a preparation method for high-temperature-resistant epoxy resin mould, comprises the steps:
(1) by proportioning, γ-glycidyl ether oxygen propyl trimethoxy silicane, ethanol, trolamine are stirred, namely obtain properties-correcting agent;
(2) properties-correcting agent even application is surperficial at fibrous mesh cloth, and fully infiltrate, use Industrial fan to be dried up by the fibrous mesh cloth being coated with self-control properties-correcting agent;
(3) by proportioning, epoxy resin, solidifying agent are uniformly mixed and obtain resin solution, the resin solution prepared is brushed on mould, lay the fibrous mesh cloth after drying up;
(4) successively brushing resin solution and lay dry up after fibrous mesh cloth to setting thickness and effects on surface carry out striking off process.
4. the preparation method of high-temperature-resistant epoxy resin mould according to claim 3, is characterized in that: also comprise step (5) self-vulcanizing demoulding after 1 day, and to put into temperature be that the curing room of 70 DEG C carries out High Temperature Curing 1 day.
5. the preparation method of the high-temperature-resistant epoxy resin mould according to claim 3 or 4, is characterized in that: the preparation method of described high-temperature-resistant epoxy resin mould, also comprises that die surface carries out repairing, polishes by step (6), polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510666418.0A CN105255108A (en) | 2015-10-16 | 2015-10-16 | High-temperature-resistant epoxy resin mold and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510666418.0A CN105255108A (en) | 2015-10-16 | 2015-10-16 | High-temperature-resistant epoxy resin mold and preparation method thereof |
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| CN105255108A true CN105255108A (en) | 2016-01-20 |
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| CN201510666418.0A Pending CN105255108A (en) | 2015-10-16 | 2015-10-16 | High-temperature-resistant epoxy resin mold and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106189097A (en) * | 2016-08-19 | 2016-12-07 | 常州市宏发纵横新材料科技股份有限公司 | A kind of fan blade glass fiber reinforced materials and preparation method thereof |
| CN106426672A (en) * | 2016-11-08 | 2017-02-22 | 揭阳市越兴塑胶制品有限公司 | Epoxy resin plastic mold and preparation process thereof |
| CN107090161A (en) * | 2017-06-10 | 2017-08-25 | 太仓市华强玻璃钢五金厂 | A kind of high-temperature resistance plastice mould |
| CN107815068A (en) * | 2017-10-20 | 2018-03-20 | 南通日芝电力材料有限公司 | Amorphous transformer coil in-seam frame material, modified heat resistant resin and method |
| CN110183824A (en) * | 2019-07-09 | 2019-08-30 | 南通德泰新材料科技有限公司 | A kind of heat conductive insulating epoxy resin lamination composite material and preparation method and application |
| CN111363301A (en) * | 2020-02-20 | 2020-07-03 | 大连北方互感器集团有限公司 | Application of novel material in transformer mold industry |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106189097A (en) * | 2016-08-19 | 2016-12-07 | 常州市宏发纵横新材料科技股份有限公司 | A kind of fan blade glass fiber reinforced materials and preparation method thereof |
| CN106426672A (en) * | 2016-11-08 | 2017-02-22 | 揭阳市越兴塑胶制品有限公司 | Epoxy resin plastic mold and preparation process thereof |
| CN107090161A (en) * | 2017-06-10 | 2017-08-25 | 太仓市华强玻璃钢五金厂 | A kind of high-temperature resistance plastice mould |
| CN107815068A (en) * | 2017-10-20 | 2018-03-20 | 南通日芝电力材料有限公司 | Amorphous transformer coil in-seam frame material, modified heat resistant resin and method |
| CN110183824A (en) * | 2019-07-09 | 2019-08-30 | 南通德泰新材料科技有限公司 | A kind of heat conductive insulating epoxy resin lamination composite material and preparation method and application |
| CN111363301A (en) * | 2020-02-20 | 2020-07-03 | 大连北方互感器集团有限公司 | Application of novel material in transformer mold industry |
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Application publication date: 20160120 |