CN102408545A - Resin compound used for sealing rare earth permanent magnet coreless energy-saving motor - Google Patents
Resin compound used for sealing rare earth permanent magnet coreless energy-saving motor Download PDFInfo
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- CN102408545A CN102408545A CN2011103185491A CN201110318549A CN102408545A CN 102408545 A CN102408545 A CN 102408545A CN 2011103185491 A CN2011103185491 A CN 2011103185491A CN 201110318549 A CN201110318549 A CN 201110318549A CN 102408545 A CN102408545 A CN 102408545A
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Abstract
The invention discloses a resin compound used for sealing rare earth permanent magnet coreless energy-saving motor, which is characterized by comprising materials such as epoxy resin, phenolic resin, inorganic padding and glass fiber filler. The epoxy resin is one or mixture from the epoxy resin expressed by formula (1), formula (2) or formula (3); the phenolic resin is one or mixture from the formula (4), formula (5), formula (6) and formula (7); the epoxy resin and the phenolic resin respectively account for 3-20 percent of the total mass; the inorganic padding accounts for 55-90 percent of the total mass and the glass fiber filler account for 0.5-10 percent of the total mass. The material prescription and proportion are optimized to obtain a resin compound with excellent flowability, quick curing rate and good insulation performance. The gelation time is 50-150s and the flowlength is larger than 180cm. The resin compound is mainly suitable for sealing rare earth permanent magnet coreless motors. During production, an external release agent is not needed to be coated on the surface of a die.
Description
Technical field
The present invention relates to a kind of composition epoxy resin, particularly a kind of rare earth permanent magnet does not have iron core energy-saving electric machine resin composition for encapsulating.
Background technology
The rare earth permanent magnet iron-core less motor is a kind of new special motor of representing the electromechanics trade future thrust; It adopts no iron core, brushless, no magnetic damping, rare earth permanent magnet generation technology; Conventional motors utilization siliconized plate and wound stator structure have been changed; In conjunction with the electronic intelligence converter technique of independent research, electric system efficient is brought up to more than 95%.The rare earth permanent magnet iron-core less motor is a great innovation, and technical realization the " three is big " broken through, the one, compare with the design of conventional radial magnetic field structure, and adopted the axial magnetic field structure design, increase substantially power density and torque volume ratio.The 2nd, adopt novel technique for coiling, high voltage precision die cast and macromolecular material, effectively reduce the winding copper loss.The 3rd, do not use siliconized plate as the stator and rotor core material, eliminated magnetic damping and iron loss, reduced driving power, reduced the iron loss pyrotoxin.It has efficient electricity-saving, light material-saving, high reliability features.
Yet this specific type of electric machine need seal its novel wound rotor structure, thereby improves its insulating property, waterproof, protection against the tide, dustproof, and reliable, temperature rise is low, has improved the environmental compatibility under the extreme condition.
When sealing for the wound rotor structure of motor traditionally, usually adopt the epoxy casting material to pour into a mould, solidify the back sealing.This sealing material and mode are owing to use the vacuum high-temperature cast, and mould material viscosity is very low, sealing rear motor good sealing effect; Pore is few; But its technological process required time reached more than 8 hours, the mobile requirement during simultaneously for satisfied cast, and the addition of inorganic fillings is few in the mould material; Though its insulating property are better than general macromolecular compound, still belong to general.When pouring into a mould simultaneously, mould need use external release agent to apply, and has also reduced production efficiency.
As stated, in order to enhance productivity, to reduce production costs and satisfy the product insulating property, it is fast to press for a kind of curing speed, the better sealing material of insulating property.
Summary of the invention
Technical problem to be solved by this invention is the deficiency to prior art, and a kind of good fluidity is provided, and curing speed is fast, the resin combination of the rare earth permanent magnet iron-core less motor sealing usefulness of good insulation preformance.
Technical problem to be solved by this invention is to realize through following technical scheme.The present invention is that a kind of rare earth permanent magnet does not have iron core energy-saving electric machine resin composition for encapsulating, and be characterized in: it comprises epoxy resin, resol, curing catalyst, coupling agent, stress relief agent, tinting material, fire retardant, releasing agent, mineral filler and spun glass weighting agent;
Described epoxy resin is by one or more mixtures in the epoxy resin of formula [1], [2] or formula [3] expression;
Formula [1]
Formula [2]
Formula [3]
Wherein: G is
; R is Wasserstoffatoms or the alkyl that the 1-12 carbon atom is arranged, and a plurality of R can be identical or differ from one another; N=1 ~ 10;
Described resol is by one or more mixtures formed in formula [4], [5], [6] and the formula [7];
Formula [4]
Formula [5]
Formula [6]
Formula [7]
N=1 ~ 10 wherein;
Described spun glass weighting agent is a glass fiber powder, and its diameter is 9-15um, and length is 50um ~ 1mm;
Epoxy resin accounts for 3 ~ 20% of resin combination total mass;
Resol accounts for 3 ~ 20% of resin combination total mass;
Described mineral filler accounts for 55 ~ 90% of resin combination total mass;
Described curing catalyst accounts for 0.1 ~ 2% of resin combination total mass;
Described coupling agent accounts for 0.1 ~ 1.5% of resin combination total mass;
Described stress relief agent accounts for 0.1 ~ 2% of resin combination total mass;
0.05 ~ 0.5% of described colorant comprises resin combination total mass;
Described fire retardant accounts for 3 ~ 15% of resin combination total mass;
Described releasing agent accounts for 0.1 ~ 1% of resin combination total mass;
Described spun glass weighting agent accounts for 0.5 ~ 10% of resin combination total mass.
In the above-described resin combination technical scheme, preferably technical scheme is:
1, said epoxy resin is the mixture of any 2 kinds of compositions in formula [1], [2], [3].During mixing, its blending ratio can be selected on demand.
2, said epoxy resin is the mixture of the composition of formula [1], formula [2] and formula [3], and wherein: formula [1] content accounts for 40 ~ 60% of mixture quality, and formula [2] content accounts for 20 ~ 40% of mixture quality, and formula [3] content accounts for 10 ~ 30% of mixture quality.Further preferred: formula [1] content accounts for 50% of mixture quality, and formula [2] content accounts for 30% of mixture quality, and formula [3] content accounts for 20% of mixture quality.
3, described resol is the mixture of being made up of formula [4] and formula [5], and its Chinese style [4] content accounts for 1 ~ 10% of resin combination total mass.
4, described mineral filler is spherical and dihedral; The scope of its meta particle diameter is 15 ~ 40um, and maximum particle diameter is 150um.
5, described mineral filler is fused silica, crystalline silica or aluminum oxide.
6, employed fire retardant can be the conventional environment friendly flame retardant that uses in this area among the present invention, as metal hydroxides, nitrogenous class, boracic class, contain Phosphorus etc.Described fire retardant is preferably one or more the mixture in metal hydroxides, melamine class, zinc borate, the zinc molybdate, as: Marinco H, white lake, zinc borate, zinc molybdate, SULPHOSUCCINIC ACID ESTER etc.
7, described releasing agent is one or more the mixture in oxidized form or non-oxide type polyethylene wax, POLISHING WAX-103, Triple Pressed Stearic Acid, esterification or the saponification montanin wax.
8, the ratio of epoxide group number is 0.5-2 in the number of the phenolic hydroxyl of resol and the epoxy resin.Further preferred 0.7 ~ 1.3.
9, used epoxy resin and 150 ℃ melt viscosity of resol are considered from flowability among the present invention, are preferably below 2 pools, more preferably below 1 pool, further are preferably below 0.5 pool.The melt viscosity is here represented the viscosity with ICI cone-and-plate viscometer mensuration.
10, the diameter of the spun glass weighting agent among the present invention is preferably 9 um, 11um, 13um, 15um, and length is 50um ~ 1mm.Consider that from flowability further be preferably 11um and 13um, length is 100um ~ 0.2mm.
Curing catalyst among the present invention has no particular limits, and that can enumerate has triphenylphosphine, DBU, imidazoles and azoles azole derivative and its esters and other curing catalysts.Consider from speed of response and shelf lives angle, preferably triphenylphosphine, DBU and imidazole derivative.
Coupling agent among the present invention mainly is an organo silane coupling agent, and these organo silane coupling agents can have amino, epoxy group(ing), sulfydryl, alkyl, vinyl etc.These materials can use one or more mixture wherein separately.Preferably epoxy group(ing) and sulfydryl.Coupling agent content less than 2% of total mass, be preferably 0.3 ~ 1.5%.
Stress relief agent among the present invention mainly is the rubber-like material, and like CTBN, ATBN and methyl acrylic ester, silicone oil or polysiloxane rubber can use one or more mixture.Be preferably the mixture that gathers at silicone rubber and silicone oil.
Tinting material among the present invention is preferably carbon black.
(H) releasing agent is one of key of boosting productivity among the present invention, need on mould, not carry out the coating of external release agent when it can make sealing, thereby omits one procedure.Releasing agent is releasing agent commonly used, and what can enumerate is POLISHING WAX-103, Triple Pressed Stearic Acid, esterification or saponified montanin wax, oxidation or non-oxidized polyethylene wax etc., but is not limited to these.Its total content is generally less than 1% scope.
Mineral filler among the present invention mainly is in order to improve insulativity, to improve wear resistance simultaneously, the linear expansivity after control sealing material solidifies, and the effect that reduces cost.As long as therefore can reach the inorganics of this purpose all can add.Preferred molten silicon-dioxide, crystalline silica, aluminum oxide, aluminium nitride AlN, zircon, Calucium Silicate powder, titanium oxide etc.Consider from cost and mobile, further preferably fused silica, crystalline silica and aluminum oxide.These mineral fillers can be used dihedral, also can use sphere or both mixtures.The particle diameter of mineral filler considers that from flowability further being preferably the meta particle diameter is 20 ~ 30um, and maximum particle diameter is 125um.
Resin combination of the present invention, after pulverizing through mixing cooling, its gel time is 50 ~ 200s, 70 ~ 150s preferably, helicoidal flow length is greater than 180cm.Preferably greater than 240cm.
Resin combination of the present invention can adopt the ordinary method preparation.
Compared with prior art; The present invention carried out preferably raw material prescription and proportioning thereof, obtained that good fluidity, curing speed are fast, the resin combination of good insulation preformance, and the gel time of resin combination of the present invention is 50 ~ 150s; Length of flow is greater than 180cm; Mainly be suitable for rare earth permanent magnet iron-core less motor sealing usefulness, when producing, die surface need not to carry out the outer external release agent that applies.
Embodiment
Below further describe concrete technical scheme of the present invention,, and do not constitute restriction its right so that those skilled in the art understands the present invention further.
Embodiment 1.A kind of rare earth permanent magnet does not have iron core energy-saving electric machine resin composition for encapsulating, and it comprises epoxy resin, resol, curing catalyst, coupling agent, stress relief agent, tinting material, fire retardant, releasing agent, mineral filler and spun glass weighting agent;
Described epoxy resin is the mixture by the epoxy resin of formula [1], [2] and formula [3] expression;
Formula [1]
Formula [2]
Formula [3]
Wherein: G is
; R is Wasserstoffatoms or the alkyl that the 1-12 carbon atom is arranged, and a plurality of R can be identical or differ from one another; N=1 ~ 10;
The mixture that described resol is made up of formula [4] and [5];
Formula [4]
Formula [5]
N=1 ~ 10 wherein;
Described spun glass weighting agent is a glass fiber powder, and its diameter is 13um, and length is 200um;
Epoxy resin accounts for 12% of resin combination total mass;
Resol accounts for 8% of resin combination total mass; Its Chinese style [4] accounts for 1%;
Described mineral filler accounts for 69.9% of resin combination total mass;
Described curing catalyst accounts for 0.5% of resin combination total mass;
Described coupling agent accounts for 0. 5% of resin combination total mass;
Described stress relief agent accounts for 0.5% of resin combination total mass;
0.1% of described colorant comprises resin combination total mass;
Described fire retardant accounts for 5% of resin combination total mass;
Described releasing agent accounts for 0.5% of resin combination total mass;
Described spun glass weighting agent accounts for 3% of resin combination total mass.
Embodiment 2.A kind of rare earth permanent magnet does not have iron core energy-saving electric machine resin composition for encapsulating, and it comprises epoxy resin, resol, curing catalyst, coupling agent, stress relief agent, tinting material, fire retardant, releasing agent, mineral filler and spun glass weighting agent;
Described epoxy resin is the epoxy resin composition by formula [1], [2] and formula [3] expression;
Formula [1]
Formula [2]
Formula [3]
Wherein: G is
; R is Wasserstoffatoms or the alkyl that the 1-12 carbon atom is arranged, and a plurality of R can be identical or differ from one another; N=1 ~ 10;
Described resol is by any three kinds of mixtures formed in formula [4], [5], [6] and the formula [7];
Formula [4]
Formula [5]
Formula [6]
Formula [7]
N=1 ~ 10 wherein;
Described spun glass weighting agent is a glass fiber powder, and its diameter is 11um, and length is 100um;
Epoxy resin accounts for 3% of resin combination total mass;
Resol accounts for 3% of resin combination total mass;
Described mineral filler accounts for 90% of resin combination total mass;
Described curing catalyst accounts for 0.1% of resin combination total mass;
Described coupling agent accounts for 0.1% of resin combination total mass;
Described stress relief agent accounts for 0.1% of resin combination total mass;
0.1% of described colorant comprises resin combination total mass;
Described fire retardant accounts for 3% of resin combination total mass;
Described releasing agent accounts for 0.1% of resin combination total mass;
Described spun glass weighting agent accounts for 0.5% of resin combination total mass.
Embodiment 3.A kind of rare earth permanent magnet does not have iron core energy-saving electric machine resin composition for encapsulating, and it comprises epoxy resin, resol, curing catalyst, coupling agent, stress relief agent, tinting material, fire retardant, releasing agent, mineral filler and spun glass weighting agent;
Described epoxy resin is a kind of by in the epoxy resin of formula [1], [2] or [3] expression;
Formula [1]
Formula [2]
Formula [3]
Wherein: G is
; R is Wasserstoffatoms or the alkyl that the 1-12 carbon atom is arranged, and a plurality of R can be identical or differ from one another; N=1 ~ 10;
Described resol is a kind of by in formula [4], [5], [6] or the formula [7];
Formula [4]
Formula [5]
Formula [6]
Formula [7]
N=1 ~ 10 wherein;
Described spun glass weighting agent is a glass fiber powder, and its diameter is 9um, and length is 50um;
Epoxy resin accounts for 3% of resin combination total mass;
Resol accounts for 10% of resin combination total mass;
Described mineral filler accounts for 83.05% of resin combination total mass;
Described curing catalyst accounts for 0.1% of resin combination total mass;
Described coupling agent accounts for 0.1% of resin combination total mass;
Described stress relief agent accounts for 0.1% of resin combination total mass;
0.05% of described colorant comprises resin combination total mass;
Described fire retardant accounts for 3% of resin combination total mass;
Described releasing agent accounts for 0.1% of resin combination total mass;
Described spun glass weighting agent accounts for 0.5% of resin combination total mass.
Embodiment 4.A kind of rare earth permanent magnet does not have iron core energy-saving electric machine resin composition for encapsulating, and it comprises epoxy resin, resol, curing catalyst, coupling agent, stress relief agent, tinting material, fire retardant, releasing agent, mineral filler and spun glass weighting agent;
Described epoxy resin is by any two kinds of mixtures formed in the epoxy resin of formula [1], [2] and formula [3] expression;
Formula [1]
Formula [2]
Formula [3]
Wherein: G is
; R is Wasserstoffatoms or the alkyl that the 1-12 carbon atom is arranged, and a plurality of R can be identical or differ from one another; N=1 ~ 10;
Described resol is by any two kinds of mixtures formed in formula [4], [5], [6] and the formula [7];
Formula [4]
Formula [5]
Formula [6]
Formula [7]
N=1 ~ 10 wherein;
Described spun glass weighting agent is a glass fiber powder, and its diameter is 15um, and length is 1mm;
Epoxy resin accounts for 8% of resin combination total mass;
Resol accounts for 13% of resin combination total mass;
Described mineral filler accounts for 55% of resin combination total mass;
Described curing catalyst accounts for 2% of resin combination total mass;
Described coupling agent accounts for 1.5% of resin combination total mass;
Described stress relief agent accounts for 2% of resin combination total mass;
0.5% of described colorant comprises resin combination total mass;
Described fire retardant accounts for 10% of resin combination total mass;
Described releasing agent accounts for 1% of resin combination total mass;
Described spun glass weighting agent accounts for 7% of resin combination total mass.
Embodiment 5.A kind of rare earth permanent magnet does not have iron core energy-saving electric machine resin composition for encapsulating, and it comprises epoxy resin, resol, curing catalyst, coupling agent, stress relief agent, tinting material, fire retardant, releasing agent, mineral filler and spun glass weighting agent;
Described epoxy resin is the composition epoxy resin by formula [1] and [2] expression;
Formula [1]
Formula [2]
Wherein: G is
; R is Wasserstoffatoms or the alkyl that the 1-12 carbon atom is arranged, and a plurality of R can be identical or differ from one another; N=1 ~ 10;
The mixture that described resol is made up of formula [4], [5], [6] and formula [7];
Formula [4]
Formula [5]
Formula [6]
Formula [7]
N=1 ~ 10 wherein;
Described spun glass weighting agent is a glass fiber powder, and its diameter is 11um, and length is 500um;
Epoxy resin accounts for 5% of resin combination total mass;
Resol accounts for 5% of resin combination total mass;
Described mineral filler accounts for 78% of resin combination total mass;
Described curing catalyst accounts for 1% of resin combination total mass;
Described coupling agent accounts for 1% of resin combination total mass;
Described stress relief agent accounts for 1% of resin combination total mass;
0.2% of described colorant comprises resin combination total mass;
Described fire retardant accounts for 5% of resin combination total mass;
Described releasing agent accounts for 0.8% of resin combination total mass;
Described spun glass weighting agent accounts for 3% of resin combination total mass.
Embodiment 6.All the other are with embodiment 1; Only formula [4] content accounts for 5% of resin combination total mass.
Embodiment 7.All the other are with embodiment 2; Only formula [1] content accounts for 40% of mixture quality, and formula [2] content accounts for 40% of mixture quality, and formula [3] content accounts for 20% of mixture quality.
Embodiment 8.All the other are with embodiment 2; Only formula [1] content accounts for 60% of mixture quality, and formula [2] content accounts for 30% of mixture quality, and formula [3] content accounts for 10% of mixture quality.
Embodiment 9.All the other are with embodiment 2; Only formula [1] content accounts for 50% of mixture quality, and formula [2] content accounts for 20% of mixture quality, and formula [3] content accounts for 30% of mixture quality.
Embodiment 10.In any one described resin combination of embodiment 1-9: described mineral filler is spherical and dihedral; The scope of its meta particle diameter is 15 ~ 40um, and maximum particle diameter is 150um.
Embodiment 11.In any one described resin combination of embodiment 1-9: described mineral filler is fused silica, crystalline silica or aluminum oxide.
Embodiment 12.In any one described resin combination of embodiment 1-9: described fire retardant is one or more the mixture in metal hydroxides, melamine class, zinc borate, the zinc molybdate.
Embodiment 13.In any one described resin combination of embodiment 1-9: described releasing agent is one or more the mixture in oxidized form or non-oxide type polyethylene wax, POLISHING WAX-103, Triple Pressed Stearic Acid, esterification or the saponification montanin wax.
Embodiment 14.In any one described resin combination of embodiment 1-9: the ratio of epoxide group number is 0.5-2 in the number of the phenolic hydroxyl of resol and the epoxy resin.
Embodiment 15.Rare earth permanent magnet does not have the experiment of iron core energy-saving electric machine resin composition for encapsulating.
Below the evaluation in the experiment is carried out according to following method:
Gel time: the 5.3rd gelation time by SJ/T 11197-1999 epoxy molding plastic measured gelation time (s).Length of flow: the 5.2nd helicoidal flow length by SJ/T 11197-1999 epoxy molding plastic is measured distance of flow (cm).Flame retardant resistance: the 5.12nd flame retardant resistance of pressing SJ/T 11197-1999 epoxy molding plastic measured the flame retardant resistance of material.Specific inductivity: press the 5.9th specific inductivity of SJ/T11197-1999 epoxy molding plastic, the specific inductivity that dielectric loss is measured material.
Prescription and proportioning (percentage composition of total mass) that rare earth permanent magnet does not have iron core energy-saving electric machine resin composition for encapsulating see the following form, and after the ordinary method preparation, each performance perameter of resulting composition sees the following form:
| Experimental group | A | B | C | D | E | F | G | H |
| Silica flour I (mean particle size 25um, dihedral) | 55 | 70 | 70 | 55 | 52 | |||
| Silica flour II (mean particle size 20um, sphere) | 77 | 71 | 18 | 77 | 28 | |||
| Silica flour III (median size 20um, crystallization) | ? | 8 | 7 | |||||
| Epoxy resin formula [1] | 15 | 7 | 8 | 6 | 5 | 4 | 1 | 2 |
| Epoxy resin formula [2] | 4 | 5 | 2 | 4 | 4 | |||
| Epoxy resin formula [3] | 2 | 2 | 3 | 1 | ||||
| Resol formula [4] | 9 | |||||||
| Resol formula [5] | 5 | 3 | 2 | 4 | 3 | 2 | ||
| Resol formula [6] | 5 | 5 | 3 | 2 | 3 | |||
| Resol formula [7] | 1.5 | 1 | 4 | 5 | 1 | 1 | ||
| DBU | 0.6 | 0.3 | ||||||
| TPP | 0.4 | 0.25 | ||||||
| The diethylammonium imidazoles | 0.3 | 0.3 | 0.2 | 0.2 | ||||
| KH560 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| CTBN | 0.8 | 0.5 | 0.5 | 0.5 | 0.6 | 0.5 | 0.6 | 0.6 |
| Carbon black | 0.3 | 0.3 | 0.3 | 0.3 | 0.25 | 0.3 | 0.3 | 0.3 |
| Marinco H | 10 | 8 | 5 | 4 | ||||
| Zinc borate | 5 | |||||||
| Melamine class | 5 | 5 | 4 | 2 | 3 | 3 | 5 | |
| POLISHING WAX-103 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Triple Pressed Stearic Acid | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
| Polyethylene wax | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Spun glass | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 |
| Gel time (s) | 65 | 73 | 70 | 90 | 95 | 105 | 120 | 125 |
| Length of flow (cm) | 200 | 230 | 226 | >;240 | >;240 | >;240 | >;240 | >;240 |
| Flame retardant test (UL-94) 1/8 inches | V-0 | V-0 | V-0 | V-0 | V-0 | V-0 | V-0 | V-0 |
| Specific inductivity | 3.85 | 3.8 | 3.9 | 3.83 | 3.76 | 3.65 | 3.6 | 3.62 |
| Set time in the motor seal technology (minute) | 15 | 15 | 15 | 15 | 17 | 17 | 20 | 20 |
Claims (9)
1. a rare earth permanent magnet does not have iron core energy-saving electric machine resin composition for encapsulating, it is characterized in that: it comprises epoxy resin, resol, curing catalyst, coupling agent, stress relief agent, tinting material, fire retardant, releasing agent, mineral filler and spun glass weighting agent;
Described epoxy resin is by one or more mixtures in the epoxy resin of formula [1], [2] or formula [3] expression;
Formula [1]
Formula [2]
Formula [3]
Wherein: G is
; R is Wasserstoffatoms or the alkyl that the 1-12 carbon atom is arranged, and a plurality of R can be identical or differ from one another; N=1 ~ 10;
Described resol is by one or more mixtures formed in formula [4], [5], [6] and the formula [7];
Formula [4]
Formula [5]
Formula [6]
Formula [7]
N=1 ~ 10 wherein;
Described spun glass weighting agent is a glass fiber powder, and its diameter is 9-15um, and length is 50um ~ 1mm;
Epoxy resin accounts for 3 ~ 20% of resin combination total mass;
Resol accounts for 3 ~ 20% of resin combination total mass;
Described mineral filler accounts for 55 ~ 90% of resin combination total mass;
Described curing catalyst accounts for 0.1 ~ 2% of resin combination total mass;
Described coupling agent accounts for 0.1 ~ 1.5% of resin combination total mass;
Described stress relief agent accounts for 0.1 ~ 2% of resin combination total mass;
0.05 ~ 0.5% of described colorant comprises resin combination total mass;
Described fire retardant accounts for 3 ~ 15% of resin combination total mass;
Described releasing agent accounts for 0.1 ~ 1% of resin combination total mass;
Described spun glass weighting agent accounts for 0.5 ~ 10% of resin combination total mass.
2. resin combination according to claim 1 is characterized in that: said epoxy resin is the mixture of any 2 kinds of compositions in formula [1], [2], [3].
3. resin combination according to claim 1; It is characterized in that: said epoxy resin is the mixture of the composition of formula [1], formula [2] and formula [3]; Wherein: formula [1] content accounts for 40 ~ 60% of mixture quality; Formula [2] content accounts for 20 ~ 40% of mixture quality, and formula [3] content accounts for 10 ~ 30% of mixture quality.
4. resin combination according to claim 1 is characterized in that: the mixture of described resol for being made up of formula [4] and formula [5], its Chinese style [4] content accounts for 1 ~ 10% of resin combination total mass.
5. resin combination according to claim 1 is characterized in that: described mineral filler is spherical and dihedral; The scope of its meta particle diameter is 15 ~ 40um, and maximum particle diameter is 150um.
6. resin combination according to claim 1 and 2 is characterized in that: described mineral filler is fused silica, crystalline silica or aluminum oxide.
7. resin combination according to claim 1 is characterized in that: described fire retardant is one or more the mixture in metal hydroxides, melamine class, zinc borate, the zinc molybdate.
8. resin combination according to claim 1 is characterized in that: described releasing agent is one or more the mixture in oxidized form or non-oxide type polyethylene wax, POLISHING WAX-103, Triple Pressed Stearic Acid, esterification or the saponification montanin wax.
9. resin combination according to claim 1 is characterized in that: the ratio of epoxide group number is 0.5-2 in the number of the phenolic hydroxyl of resol and the epoxy resin.
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| CN102911479A (en) * | 2012-11-14 | 2013-02-06 | 江苏华海诚科新材料有限公司 | High heat conduction epoxy resin composition applicable to fully wrapped devices and preparation method |
| CN105462173A (en) * | 2015-12-25 | 2016-04-06 | 科化新材料泰州有限公司 | Environment-friendly epoxy resin composition and preparation method thereof |
| CN107163503A (en) * | 2017-06-02 | 2017-09-15 | 江苏华海诚科新材料股份有限公司 | A kind of composition epoxy resin encapsulated suitable for photoelectrical coupler |
| CN108456829A (en) * | 2018-02-26 | 2018-08-28 | 合肥尚强电气科技有限公司 | A kind of transformer silicon steel sheet and preparation method thereof |
| CN110836297A (en) * | 2018-08-16 | 2020-02-25 | 中国石油化工股份有限公司 | Hose connector and collision connecting method for repairing old pipeline |
| CN111770967A (en) * | 2018-02-28 | 2020-10-13 | 日立化成株式会社 | Composite powder |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102911479A (en) * | 2012-11-14 | 2013-02-06 | 江苏华海诚科新材料有限公司 | High heat conduction epoxy resin composition applicable to fully wrapped devices and preparation method |
| CN102911479B (en) * | 2012-11-14 | 2015-01-07 | 江苏华海诚科新材料有限公司 | High heat conduction epoxy resin composition applicable to fully wrapped devices and preparation method |
| CN105462173A (en) * | 2015-12-25 | 2016-04-06 | 科化新材料泰州有限公司 | Environment-friendly epoxy resin composition and preparation method thereof |
| CN107163503A (en) * | 2017-06-02 | 2017-09-15 | 江苏华海诚科新材料股份有限公司 | A kind of composition epoxy resin encapsulated suitable for photoelectrical coupler |
| CN107163503B (en) * | 2017-06-02 | 2020-04-07 | 江苏华海诚科新材料股份有限公司 | Epoxy resin composition suitable for packaging photoelectric coupler |
| CN108456829A (en) * | 2018-02-26 | 2018-08-28 | 合肥尚强电气科技有限公司 | A kind of transformer silicon steel sheet and preparation method thereof |
| CN111770967A (en) * | 2018-02-28 | 2020-10-13 | 日立化成株式会社 | Composite powder |
| CN110836297A (en) * | 2018-08-16 | 2020-02-25 | 中国石油化工股份有限公司 | Hose connector and collision connecting method for repairing old pipeline |
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