CN105131255A - High-temperature-resistant resin - Google Patents
High-temperature-resistant resin Download PDFInfo
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- CN105131255A CN105131255A CN201510639683.XA CN201510639683A CN105131255A CN 105131255 A CN105131255 A CN 105131255A CN 201510639683 A CN201510639683 A CN 201510639683A CN 105131255 A CN105131255 A CN 105131255A
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Abstract
The invention discloses high-temperature-resistant resin. The high-temperature-resistant resin is prepared from, by weight, 100 parts of epoxy resin, 99-115 parts of curing agents and 1-5 parts of promoters; trifunctional epoxy resin and/or tetrafunctional epoxy resin or a mixture of one or several of the trifunctional epoxy resin and tetrafunctional epoxy resin and bifunctional epoxy resin are/is adopted as the epoxy resin; amine curing agents or anhydride curing agents are adopted as the curing agents, wherein the amine curing agents are prepared by mixing, by mass, 15-20 parts of curing agents DDM, 10-15 parts of curing agents DDS and 65-90 parts of curing agents DADMT, and methyl tetrahydrophthalic anhydride or methylhexahydrophthalic anhydride or methyl nadic anhydride is adopted as the anhydride curing agents; dimethyl benzylamine or imidazole is adopted as the promoters. The high-temperature-resistant resin has the good high temperature resisting property, mechanical property and technological property and is suitable for winding technology for glass fibers and carbon fibers.
Description
Technical field
The invention belongs to resin material technical field, be specifically related to a kind of fire resistant resin.
Background technology
High-speed electric expreess locomotive selects rare-earth permanent magnet to be sintered NdFeB; large tensile stress can not be born; permanent magnet cannot bear the huge centrifugal force produced when rotor high-speed rotates, and in order to protect permanent magnet, can additional non-magnetic metal covering or high strength fibre to be fastened cover fixed permanent magnet.Metal covering at high temperature easily produces creep strain, therefore can only be applied in the small power slow speed of revolution.And high-intensity fiber particularly carbon fiber at high temperature intensity do not reduce, can at high temperature keep good mechanical property to be therefore applicable to being applied on the permanent-magnet machine of high-power and high-speed.Fibre composite matrix in combined strength bination serves key effect, mainly bears the effect supporting fiber and transmitted load.Therefore, in Filament-wound Machine fixed enclosure, resin matrix just plays very crucial effect.
Therefore, need to develop a kind of completely newly, resistant to elevated temperatures winding resin, to produce the permanent magnet fixed cover of strong mechanical performance and resistance toheat, to improve the safety and reliability of rotor in the research and development of high-power and high-speed motor.
Summary of the invention
Technical problem to be solved by this invention is, for above-mentioned the deficiencies in the prior art, to provide a kind of fire resistant resin.This fire resistant resin has good resistance to elevated temperatures, mechanical property and processing performance, and working life is long, is applicable to the winding process of glass fibre and carbon fiber, also can be used for the manufacture of permanent magnet fixed cover.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of fire resistant resin, is characterized in that, is made up of the raw material of following weight part: epoxy resin 100 parts, 99 ~ 115 parts, solidifying agent, promotor 1 ~ 5 part; Its epoxy resin is trifunctional epoxy resin and/or four-functional group epoxy resin, or is the mixture of one or more and bifunctional epoxy resin in trifunctional epoxy resin and four-functional group epoxy resin; Described solidifying agent is amine curing agent or acid anhydride type curing agent, wherein amine curing agent be solidifying agent DDM, solidifying agent DDS and solidifying agent DADMT according to (15 ~ 20): (10 ~ 15): (65 ~ 90) mass ratio mixing mixed curing agent, acid anhydride type curing agent is methyl tetrahydro phthalic anhydride, methyl hexahydrophthalic anhydride or methylnadic anhydride; Described promotor is dimethyl benzylamine or imidazoles; Describedly high temperature resistantly refer to that the second-order transition temperature of resin is not less than 176 DEG C.
Above-mentioned a kind of fire resistant resin, is characterized in that, is made up of the raw material of following weight part: epoxy resin 100 parts, 105 ~ 110 parts, solidifying agent, promotor 2 ~ 4 parts.
Above-mentioned a kind of fire resistant resin, is characterized in that, is made up of the raw material of following weight part: epoxy resin 100 parts, 108 parts, solidifying agent, promotor 2 parts.
Above-mentioned a kind of fire resistant resin, is characterized in that, in the mixture of one or more and bifunctional epoxy resin in described trifunctional epoxy resin and four-functional group epoxy resin, the mass percentage of bifunctional epoxy resin is not more than 40%.
Above-mentioned a kind of fire resistant resin, is characterized in that, described trifunctional epoxy resin is AFG-90 epoxy resin and/or TDE-85 epoxy resin, and four-functional group epoxy resin is AG-80 epoxy resin, and bifunctional epoxy resin is CYD-128 epoxy resin.
Described weight part can be gram, two, jin, kilogram, Dun Deng weight metering unit.
The present invention compared with prior art has the following advantages:
1, fire resistant resin of the present invention has good resistance to elevated temperatures, mechanical property and processing performance, and working life is long, and the second-order transition temperature of resin is not less than 176 DEG C, and tensile strength reaches more than 50MPa, is applicable to the winding process of glass fibre and carbon fiber.
2, fire resistant resin of the present invention can be used for making permanent magnet fixed cover, permanent magnet can be effectively fixed on rotor core periphery by the permanent magnet fixed cover adopting fire resistant resin of the present invention to make, reduce the loss that permanent magnet causes because centrifugal force is separated with rotor core or the phenomenon of burning generator, and permanent magnet fixed cover intensity under applied at elevated temperature condition does not decline, do not produce creep and eddy-current loss, enable permanent magnet bear the huge centrifugal force produced when rotor high-speed rotates, thus solve permanent magnet metal covering at high temperature insecure problem.
Below by embodiment, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the DSC test pattern of the fire resistant resin of the embodiment of the present invention 1.
Embodiment
Embodiment 1
The fire resistant resin of the present embodiment is made up of following raw material: 40kgCYD-128 epoxy resin, 60kgAG-80 epoxy resin, 100kg methyl tetrahydro phthalic anhydride and 5kg dimethyl benzylamine.
The preparation method of the high-temperature-resistant epoxy resin of the present embodiment is: CYD-128 epoxy resin and AG-80 epoxy resin are mixed at 20 DEG C and obtain component A; Methyl tetrahydro phthalic anhydride and dimethyl benzylamine are mixed at 20 DEG C and obtains B component; Then component A and B component are mixed the fire resistant resin obtaining incarnadine homogeneous transparent at 20 DEG C.
Embodiment 2
The fire resistant resin of the present embodiment is made up of following raw material: 20kgCYD-128 epoxy resin, 80kgAFG-90 epoxy resin, 99kg methyl tetrahydro phthalic anhydride and 1kg dimethyl benzylamine.
The preparation method of the high-temperature-resistant epoxy resin of the present embodiment is: CYD-128 epoxy resin and AFG-90 epoxy resin are mixed at 30 DEG C and obtain component A; Methyl tetrahydro phthalic anhydride and dimethyl benzylamine are mixed at 30 DEG C and obtains B component; Then component A and B component are mixed the fire resistant resin obtaining incarnadine homogeneous transparent at 30 DEG C.
Embodiment 3
The fire resistant resin of the present embodiment is made up of following raw material: 30kgCYD-128 epoxy resin, 25kgAG-80 epoxy resin, 25kgAFG-90 epoxy resin, 20kgTDE-85 epoxy resin, 108kg methyl hexahydrophthalic anhydride and 2kg imidazoles.
The preparation method of the high-temperature-resistant epoxy resin of the present embodiment is: CYD-128 epoxy resin, AG-80 epoxy resin, AFG-90 epoxy resin and TDE-85 epoxy resin are mixed at 25 DEG C and obtain component A; Methyl hexahydrophthalic anhydride and imidazoles are mixed at 25 DEG C and obtains B component; Then component A and B component are mixed the fire resistant resin obtaining incarnadine homogeneous transparent at 25 DEG C.
Embodiment 4
The fire resistant resin of the present embodiment is made up of following raw material: 30kgAG-80 epoxy resin, 50kgAFG-90 epoxy resin, 20kgTDE-85 epoxy resin, 15kg solidifying agent DDM, 10kg solidifying agent DDS, 90kg solidifying agent DADMT and 5kg imidazoles.
The preparation method of the high-temperature-resistant epoxy resin of the present embodiment is: AG-80 epoxy resin, AFG-90 epoxy resin and TDE-85 epoxy resin are mixed at 20 DEG C and obtain component A; Solidifying agent DDM, solidifying agent DDS, solidifying agent DADMT and imidazoles are mixed at 45 DEG C and obtains B component; Then component A and B component are mixed the fire resistant resin obtaining light black homogeneous transparent at 25 DEG C.
Embodiment 5
The fire resistant resin of the present embodiment is made up of following raw material: 100gAG-80 epoxy resin, 15g solidifying agent DDM, 15g solidifying agent DDS, 65g solidifying agent DADMT and 3g imidazoles.
The preparation method of the high-temperature-resistant epoxy resin of the present embodiment is: solidifying agent DDM, solidifying agent DDS, solidifying agent DADMT and imidazoles are mixed at 50 DEG C and obtain mixture, then AG-80 epoxy resin and described mixture are mixed the fire resistant resin obtaining light black homogeneous transparent at 30 DEG C.
Embodiment 6
The fire resistant resin of the present embodiment is made up of following raw material: 100gAFG-90 epoxy resin, 105g methylnadic anhydride and 2g dimethyl benzylamine.
The preparation method of the high-temperature-resistant epoxy resin of the present embodiment is: methylnadic anhydride and dimethyl benzylamine are mixed at 30 DEG C and obtain mixture, then AFG-90 epoxy resin and described mixture are mixed the fire resistant resin obtaining incarnadine homogeneous transparent at 30 DEG C.
Embodiment 7
The fire resistant resin of the present embodiment is made up of following raw material: 30kgAG-80 epoxy resin, 40kgAFG-90 epoxy resin, 20kgTDE-85 epoxy resin, 10kgCYD-128 epoxy resin, 15kg solidifying agent DDM, 10kg solidifying agent DDS, 85kg solidifying agent DADMT and 4kg dimethyl benzylamine.
The preparation method of the high-temperature-resistant epoxy resin of the present embodiment is: AG-80 epoxy resin, AFG-90 epoxy resin, TDE-85 epoxy resin and CYD-128 epoxy resin are mixed at 20 DEG C and obtain component A; Solidifying agent DDM, solidifying agent DDS, solidifying agent DADMT and dimethyl benzylamine are mixed at 40 DEG C and obtains B component; Then component A and B component are mixed the fire resistant resin obtaining light black homogeneous transparent at 25 DEG C.
Embodiment 8
The fire resistant resin of the present embodiment is made up of following raw material: 70kgAFG-90 epoxy resin, 30kgTDE-85 epoxy resin, 20kg solidifying agent DDM, 10kg solidifying agent DDS, 76kg solidifying agent DADMT and 3kg imidazoles.
The preparation method of the high-temperature-resistant epoxy resin of the present embodiment is: AFG-90 epoxy resin and TDE-85 epoxy resin are mixed at 20 DEG C and obtain component A; Solidifying agent DDM, solidifying agent DDS, solidifying agent DADMT and imidazoles are mixed at 40 DEG C and obtains B component; Then component A and B component are mixed the fire resistant resin obtaining light black homogeneous transparent at 25 DEG C.
Embodiment 9
The fire resistant resin of the present embodiment is made up of following raw material: 50kgAFG-90 epoxy resin, 20kgTDE-85 epoxy resin, 30kgCYD-128 epoxy resin, 18kg solidifying agent DDM, 12kg solidifying agent DDS, 80kg solidifying agent DADMT and 4kg imidazoles.
The preparation method of the high-temperature-resistant epoxy resin of the present embodiment is: AFG-90 epoxy resin, TDE-85 epoxy resin and CYD-128 epoxy resin are mixed at 30 DEG C and obtain component A; Solidifying agent DDM, solidifying agent DDS, solidifying agent DADMT and imidazoles are mixed at 50 DEG C and obtains B component; Then component A and B component are mixed the fire resistant resin obtaining light black homogeneous transparent at 30 DEG C.
Adopt DSC to test the second-order transition temperature (Fig. 1 is the DSC test pattern of the fire resistant resin of embodiment 1) of the fire resistant resin of the embodiment of the present invention 1 to embodiment 9, the results are shown in Table 1.The fire resistant resin of the embodiment of the present invention 1 to embodiment 9 is made casting resin sample, curing cycle: 100 DEG C/(2h ~ 3h)+140 DEG C/(2h ~ 4h)+180 DEG C/(6h ~ 7h), then adopt the tensile strength of the method test sample of GB/T2568-1995, the results are shown in Table 1.
The performance perameter of the fire resistant resin of table 1 embodiment 1 to embodiment 9
| Embodiment | Second-order transition temperature/DEG C | Tensile strength/MPa |
| 1 | 178 | 50 |
| 2 | 176 | 52 |
| 3 | 180 | 55 |
| 4 | 182 | 65 |
| 5 | 180 | 67 |
| 6 | 180 | 51 |
| 7 | 185 | 75 |
| 8 | 184 | 69 |
| 9 | 184 | 70 |
Fire resistant resin of the present invention can be used for making permanent magnet fixed cover, concrete grammar is: the permanent magnet surfaces fire resistant resin (glass fiber quality content is 40% ~ 60%) of carbon fiber reinforced fire resistant resin (carbon fiber mass content is 40% ~ 60%) or glass fiber reinforcement being wound in permanent magnet synchronous motor rotor, winding thickness is 5mm ~ 10mm, then be heating and curing, curing cycle: 100 DEG C/(2h ~ 3h)+140 DEG C/(2h ~ 4h)+180 DEG C/(6h ~ 7h), obtain permanent magnet fixed cover in permanent magnet surfaces.Permanent magnet can be effectively fixed on rotor core periphery by the permanent magnet fixed cover made, reduce the loss that permanent magnet causes because centrifugal force is separated with rotor core or the phenomenon of burning generator, and permanent magnet fixed cover intensity under high temperature (about 150 DEG C) working conditions does not decline, do not produce creep and eddy-current loss, enable permanent magnet bear the huge centrifugal force produced when rotor high-speed rotates, thus solve permanent magnet metal covering at high temperature insecure problem.
The above; it is only preferred embodiment of the present invention; not any restriction is done to the present invention, every above embodiment is done according to invention technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (5)
1. a fire resistant resin, is characterized in that, is made up of the raw material of following weight part: epoxy resin 100 parts, 99 ~ 115 parts, solidifying agent, promotor 1 ~ 5 part; Its epoxy resin is trifunctional epoxy resin and/or four-functional group epoxy resin, or is the mixture of one or more and bifunctional epoxy resin in trifunctional epoxy resin and four-functional group epoxy resin; Described solidifying agent is amine curing agent or acid anhydride type curing agent, wherein amine curing agent be solidifying agent DDM, solidifying agent DDS and solidifying agent DADMT according to (15 ~ 20): (10 ~ 15): (65 ~ 90) mass ratio mixing mixed curing agent, acid anhydride type curing agent is methyl tetrahydro phthalic anhydride, methyl hexahydrophthalic anhydride or methylnadic anhydride; Described promotor is dimethyl benzylamine or imidazoles; Describedly high temperature resistantly refer to that the second-order transition temperature of resin is not less than 176 DEG C.
2. a kind of fire resistant resin according to claim 1, is characterized in that, is made up of the raw material of following weight part: epoxy resin 100 parts, 105 ~ 110 parts, solidifying agent, promotor 2 ~ 4 parts.
3. a kind of fire resistant resin according to claim 2, is characterized in that, is made up of the raw material of following weight part: epoxy resin 100 parts, 108 parts, solidifying agent, promotor 2 parts.
4. a kind of fire resistant resin according to claim 1,2 or 3, it is characterized in that, in the mixture of one or more and bifunctional epoxy resin in described trifunctional epoxy resin and four-functional group epoxy resin, the mass percentage of bifunctional epoxy resin is not more than 40%.
5. a kind of fire resistant resin according to claim 1,2 or 3, it is characterized in that, described trifunctional epoxy resin is AFG-90 epoxy resin and/or TDE-85 epoxy resin, and four-functional group epoxy resin is AG-80 epoxy resin, and bifunctional epoxy resin is CYD-128 epoxy resin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510639683.XA CN105131255A (en) | 2015-09-30 | 2015-09-30 | High-temperature-resistant resin |
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| CN201510639683.XA CN105131255A (en) | 2015-09-30 | 2015-09-30 | High-temperature-resistant resin |
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Cited By (7)
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| CN106010401A (en) * | 2016-06-22 | 2016-10-12 | 柳州市强威锻造厂 | Curing formula for flame-retardant epoxy resin |
| CN106910575A (en) * | 2017-03-31 | 2017-06-30 | 西安超码复合材料有限公司 | A kind of high-performance post composite insulator plug and its manufacture method |
| CN107964217A (en) * | 2017-12-14 | 2018-04-27 | 郑州四维特种材料有限责任公司 | A kind of carbon fibre reinforced composite resin matrix, carbon fibre reinforced composite and preparation method thereof, base plate of ping-pong bat |
| CN110283300A (en) * | 2019-07-15 | 2019-09-27 | 上海华谊树脂有限公司 | One kind being suitable for molding epoxy composite of composite liquid and preparation method thereof |
| CN113637289A (en) * | 2021-06-17 | 2021-11-12 | 上海道宜半导体材料有限公司 | Epoxy resin composition and preparation method and application thereof |
| CN114031746A (en) * | 2021-12-03 | 2022-02-11 | 江西长江化工有限责任公司 | High-temperature-resistant tough resin |
| CN116162225A (en) * | 2023-01-09 | 2023-05-26 | 华东理工大学 | Epoxy resin material and preparation method and application thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106010401A (en) * | 2016-06-22 | 2016-10-12 | 柳州市强威锻造厂 | Curing formula for flame-retardant epoxy resin |
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| CN113637289A (en) * | 2021-06-17 | 2021-11-12 | 上海道宜半导体材料有限公司 | Epoxy resin composition and preparation method and application thereof |
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| CN116162225A (en) * | 2023-01-09 | 2023-05-26 | 华东理工大学 | Epoxy resin material and preparation method and application thereof |
| CN116162225B (en) * | 2023-01-09 | 2024-04-02 | 华东理工大学 | Epoxy resin material and preparation method and application thereof |
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