CN108359235A - A kind of New insulated composite material and preparation method - Google Patents
A kind of New insulated composite material and preparation method Download PDFInfo
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- CN108359235A CN108359235A CN201810112141.0A CN201810112141A CN108359235A CN 108359235 A CN108359235 A CN 108359235A CN 201810112141 A CN201810112141 A CN 201810112141A CN 108359235 A CN108359235 A CN 108359235A
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- C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/303—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups H01B3/38 or H01B3/302
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- C08K3/24—Acids; Salts thereof
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Abstract
The invention discloses a kind of New insulated composite material and preparation methods, are related to insulating materials technical field, include the raw material of following parts by weight meter：15 parts of 30 40 parts of polyamide, 10 20 parts of epoxy cellulose acetate, 8 15 parts of calcium carbonate, 5 15 parts of silicon nitride, 8 15 parts of modified Nano hydroxylmethyl cellulose cellulose crystal, 38 parts of magnesium stearate, 8 13 parts of kaolin, 5 11 parts of silica, 5 12 parts of mica particles, 6 14 parts of glass fibre, 26 parts of silane coupling agent, 38 parts of filler, 1.5 3.5 parts of ultraviolet absorber, 2.2 5.3 parts of antioxidant, 0.8 4.6 parts of antifreezing agent and fire retardant.
Description
Technical field
The present invention relates to insulating materials technical fields, and in particular to a kind of New insulated composite material and preparation method.
Background technology
Insulating materials is also known as dielectric, refers to the non-conductive or conductive atomic substance under DC voltage effect, insulation
Material main function is in the electrical apparatus to keep apart the electric conductor of different potentials, and electric current is made to circulate by certain path,
It can be with mechanical support and fixation and moisture-proof, mould proof and protection conductor effect.
Insulating materials is basis and the guarantee of electric product development, is had to the development of motor, electrical industry especially important
Effect, be the key that the important guarantee that electric product has advanced technology and electric product safe and reliable operation, therefore
It is required that insulating materials continues to develop new varieties, enhance product performance and quality, to adapt to the needs of electric product continuous development.
Although insulating materials in the prior art has good insulation performance, mechanical shock resistance and anti-oxidant
Property is poor, and effective and safe validity period is short, needs often to repair.
Invention content
For problems of the prior art, the present invention provides a kind of New insulated composite material and its preparation sides
Method, insulating composite material of the present invention have good insulating properties and mechanical shock resistance, chemical property stablize, have it is fire-retardant,
Performance that is anti-oxidant and delaying material aging, preparation method of the present invention is simple for process, does not add any inflammable, explosive substance, behaviour
Make safety, easy large-scale promotion production.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of New insulated composite material and preparation method includes the raw material of following parts by weight meter：
30-40 parts of polyamide, 8-15 parts of calcium carbonate, 5-15 parts of silicon nitride, changes 10-20 parts of epoxy cellulose acetate
8-15 parts of property nanometer hydroxylmethyl cellulose cellulose crystal, 3-8 parts of magnesium stearate, 8-13 parts of kaolin, 5-11 parts of silica, mica
5-12 parts of grain, 6-14 parts of glass fibre, 2-6 parts of silane coupling agent, 3-8 parts of filler, 1.5-3.5 parts of ultraviolet absorber, antioxygen
1-5 parts of 2.2-5.3 parts of agent, 0.8-4.6 parts of antifreezing agent and fire retardant.
Preferably, include the raw material of following parts by weight meter：36 parts of polyamide, 15 parts of epoxy cellulose acetate, carbonic acid
11 parts of calcium, 8 parts of silicon nitride, 10 parts of modified Nano hydroxylmethyl cellulose cellulose crystal, 5 parts of magnesium stearate, 10 parts of kaolin, silica
7 parts, 8 parts of mica particles, 9 parts of glass fibre, 4 parts of silane coupling agent, 5 parts of filler, 2 parts of ultraviolet absorber, antioxidant 3
2.5 parts of part, 3 parts of antifreezing agent and fire retardant.
Preferably, the preparation method of the modified Nano hydroxylmethyl cellulose cellulose crystal is as follows：
(a) it is added in suitable moisture to hydroxymethyl cellulose, it is made to keep moisture state；
(b) suitable 55% hydrochloric acid solution is added into the hydroxylmethyl cellulose of moistening and is adjusted to PH 4.8, then heats to
60 degrees Celsius, the oxidant 4- formamides-TEMPO that 0.1-0.2 times of hydroxylmethyl cellulose degree weight is added coordinates NaClO/
NaClO2 is uniformly mixed, and is persistently stirred 30-50 hours；
(c) hydroxymethyl cellulose after oxidation is cooled to room temperature, washing filtering is to get modified Nano hydroxymethyl cellulose
Crystal.
Preferably, the filler is talcum powder, glass microballoon and titanium dioxide according to mass ratio (2-3):1:(0.5-
0.8) mixing composition.
Preferably, the ultraviolet absorber is 2- (2- hydroxy-5-methyl bases phenyl) benzotriazole, 2- (2- hydroxyls -3,5- bis-
Amyl phenyl) benzotriazole, 2- (2- hydroxyl -3,5- t-octyls phenyl) benzotriazole, bis- (2,2,6,6- tetramethyl -4- piperidines
Base) one or more of sebacic acid ester combines；
The antioxidant is 2,2- di-2-ethylhexylphosphine oxides (4- methyl -6- butylphenols) and phosphite according to mass ratio 2:1
Mixing composition；
The antifreezing agent is ethylene glycol, urea, triethanolamine and dodecyl sodium sulfate according to mass ratio 20:10:2:1 is mixed
It is combined into；
The fire retardant is the mixing of one or more of zinc borate, zinc oxide, iron oxide and tin oxide.
A kind of preparation method of above-mentioned New insulated composite material is also disclosed in the present invention, specifically, including following step
Suddenly：
(1) each raw material is weighed according to the raw material weight number of New insulated composite material；
(2) polyamide, epoxy cellulose acetate and antioxidant are uniformly mixed, are warming up to 90-120 degrees Celsius,
Mixing is carried out, mixing time is 10-15 minutes, obtains mixture A, spare；
(3) by calcium carbonate, silicon nitride, modified Nano hydroxylmethyl cellulose cellulose crystal, magnesium stearate, kaolin, silica,
After mica particles, glass fibre mixing, puts into ball mill and be ground to get mixture B, it is spare；
(4) by mixture A and mixture B and silane coupling agent, filler, ultraviolet absorber, antifreezing agent and fire retardant
It is mixed, rotating speed is 700-1200 revs/min, and temperature is 70-85 degrees Celsius, is stirred 20-30 minutes, is uniformly mixed；
(5) mixed material obtained in step (4) is squeezed out, is cooled and shaped to get the New insulated composite wood
Material.
Preferably, the grain diameter of mixture B is 200-500 mesh in the step (3).
Preferably, it is squeezed out, is molded using high shear type double screw extruder in the step (5).
The present invention has following advantageous effect：
(1) there is insulating composite material of the present invention good insulating properties and mechanical shock resistance, chemical property to stablize, tool
There is performance that is fire-retardant, anti-oxidant and delaying material aging, preparation method of the present invention is simple for process, does not add any inflammable, explosive
Substance, safe operation, easy large-scale promotion production；
(2) it is main component that polyamide is added in raw material of the present invention, and polyamide has good comprehensive performance,
Including mechanical property, heat resistance, wear resistance and shock resistance；
(3) modified Nano hydroxylmethyl cellulose cellulose crystal is added in raw material of the present invention, modified Nano hydroxymethyl cellulose is brilliant
Body is the characteristics of hydroxylmethyl cellulose degree increases the shearing tackifying of cellulose by the oxidation of oxidant, improves insulation
The tensile strength and flexural strength of composite material；
(4) it is added with ultraviolet absorber and antioxidant in raw material of the present invention, increases the anti-actinic of insulating composite material
Energy and oxidation resistance, extend the usage time and anti-aging property of insulating composite material；
(5) antifreezing agent is added in raw material of the present invention, antifreezing agent is ethylene glycol, urea, triethanolamine and dodecyl sulphur
Sour sodium mixes composition according to a certain percentage, is that the effect of antifreezing agent reaches best；
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of New insulated composite material and preparation method includes the raw material of following parts by weight meter：
30 parts of polyamide, 10 parts of epoxy cellulose acetate, 8 parts of calcium carbonate, 5 parts of silicon nitride, modified Nano methylol
8 parts of cellulose crystals, 3 parts of magnesium stearate, 8 parts of kaolin, 5 parts of silica, 5 parts of mica particles, 6 parts of glass fibre, silane
1 part of 2 parts of coupling agent, 3 parts of filler, 1.5 parts of ultraviolet absorber, 2.2 parts of antioxidant, 0.8 part of antifreezing agent and fire retardant.
The preparation method of modified Nano hydroxylmethyl cellulose cellulose crystal is as follows：
(a) it is added in suitable moisture to hydroxymethyl cellulose, it is made to keep moisture state；
(b) suitable 55% hydrochloric acid solution is added into the hydroxylmethyl cellulose of moistening and is adjusted to PH 4.8, then heats to
60 degrees Celsius, the oxidant 4- formamides-TEMPO that 0.1 times of hydroxylmethyl cellulose degree weight is added coordinates NaClO/NaClO2, mixes
It closes uniformly, persistently stirs 30 hours；
(c) hydroxymethyl cellulose after oxidation is cooled to room temperature, washing filtering is to get modified Nano hydroxymethyl cellulose
Crystal.
Filler is talcum powder, glass microballoon and titanium dioxide according to mass ratio 2:1:0.5 mixing composition.
Ultraviolet absorber is 2- (2- hydroxy-5-methyl bases phenyl) benzotriazole and 2- (2- hydroxyl -3,5- diamyl phenyl)
Benzotriazole is according to mass ratio 1:1 mixing composition；
Antioxidant is 2,2- di-2-ethylhexylphosphine oxides (4- methyl -6- butylphenols) and phosphite according to mass ratio 2:1 mixing
Composition；
Antifreezing agent is ethylene glycol, urea, triethanolamine and dodecyl sodium sulfate according to mass ratio 20:10:2:1 mixing group
At；
Fire retardant is zinc borate and zinc oxide according to mass ratio 1:1 mixing composition.
A kind of preparation method of above-mentioned New insulated composite material is also disclosed in the present embodiment, specifically, including it is following
Step：
(1) each raw material is weighed according to the raw material weight number of New insulated composite material；
(2) polyamide, epoxy cellulose acetate and antioxidant are uniformly mixed, are warming up to 90 degrees Celsius, carried out
Mixing, mixing time are 10 minutes, obtain mixture A, spare；
(3) by calcium carbonate, silicon nitride, modified Nano hydroxylmethyl cellulose cellulose crystal, magnesium stearate, kaolin, silica,
After mica particles, glass fibre mixing, puts into ball mill and be ground to get mixture B, it is spare；
(4) by mixture A and mixture B and silane coupling agent, filler, ultraviolet absorber, antifreezing agent and fire retardant
It is mixed, rotating speed is 700 revs/min, and temperature is 70 degrees Celsius, is stirred 20 minutes, is uniformly mixed；
(5) mixed material obtained in step (4) is squeezed out, is cooled and shaped to get the New insulated composite wood
Material.
The grain diameter of mixture B is 200 mesh in step (3).
It is squeezed out, is molded using high shear type double screw extruder in step (5).
Embodiment 2
A kind of New insulated composite material and preparation method includes the raw material of following parts by weight meter：
40 parts of polyamide, 20 parts of epoxy cellulose acetate, 15 parts of calcium carbonate, 15 parts of silicon nitride, modified Nano hydroxyl first
15 parts of base cellulose crystals, 8 parts of magnesium stearate, 13 parts of kaolin, 1 part of silica 1,12 parts of mica particles, glass fibre 14
Part, 6 parts of silane coupling agent, 8 parts of filler, 3.5 parts of ultraviolet absorber, 5.3 parts of antioxidant, 4.6 parts of antifreezing agent and fire retardant 5
Part.
The preparation method of modified Nano hydroxylmethyl cellulose cellulose crystal is as follows：
(a) it is added in suitable moisture to hydroxymethyl cellulose, it is made to keep moisture state；
(b) suitable 55% hydrochloric acid solution is added into the hydroxylmethyl cellulose of moistening and is adjusted to PH 4.8, then heats to
60 degrees Celsius, the oxidant 4- formamides-TEMPO that 0.2 times of hydroxylmethyl cellulose degree weight is added coordinates NaClO/NaClO2, mixes
It closes uniformly, persistently stirs 50 hours；
(c) hydroxymethyl cellulose after oxidation is cooled to room temperature, washing filtering is to get modified Nano hydroxymethyl cellulose
Crystal.
Filler is talcum powder, glass microballoon and titanium dioxide according to mass ratio 3:1:0.8 mixing composition.
Ultraviolet absorber is 2- (2- hydroxyl -3,5- t-octyls phenyl) benzotriazole；
Antioxidant is 2,2- di-2-ethylhexylphosphine oxides (4- methyl -6- butylphenols) and phosphite according to mass ratio 2:1 mixing
Composition；
Antifreezing agent is ethylene glycol, urea, triethanolamine and dodecyl sodium sulfate according to mass ratio 20:10:2:1 mixing group
At；
Fire retardant is iron oxide and tin oxide according to mass ratio 1:1 mixing composition.
A kind of preparation method of above-mentioned New insulated composite material is also disclosed in the present embodiment, specifically, including it is following
Step：
(1) each raw material is weighed according to the raw material weight number of New insulated composite material；
(2) polyamide, epoxy cellulose acetate and antioxidant are uniformly mixed, are warming up to 90-120 degrees Celsius,
Mixing is carried out, mixing time is 15 minutes, obtains mixture A, spare；
(3) by calcium carbonate, silicon nitride, modified Nano hydroxylmethyl cellulose cellulose crystal, magnesium stearate, kaolin, silica,
After mica particles, glass fibre mixing, puts into ball mill and be ground to get mixture B, it is spare；
(4) by mixture A and mixture B and silane coupling agent, filler, ultraviolet absorber, antifreezing agent and fire retardant
It is mixed, rotating speed is 1200 revs/min, and temperature is 85 degrees Celsius, is stirred 30 minutes, is uniformly mixed；
(5) mixed material obtained in step (4) is squeezed out, is cooled and shaped to get the New insulated composite wood
Material.
The grain diameter of mixture B is 500 mesh in step (3).
It is squeezed out, is molded using high shear type double screw extruder in step (5).
Embodiment 3
A kind of New insulated composite material and preparation method includes the raw material of following parts by weight meter：
36 parts of polyamide, 15 parts of epoxy cellulose acetate, 11 parts of calcium carbonate, 8 parts of silicon nitride, modified Nano methylol
10 parts of cellulose crystals, 5 parts of magnesium stearate, 10 parts of kaolin, 7 parts of silica, 8 parts of mica particles, 9 parts of glass fibre, silicon
2.5 parts of 4 parts of alkane coupling agent, 5 parts of filler, 2 parts of ultraviolet absorber, 3 parts of antioxidant, 3 parts of antifreezing agent and fire retardant.
The preparation method of modified Nano hydroxylmethyl cellulose cellulose crystal is as follows：
(a) it is added in suitable moisture to hydroxymethyl cellulose, it is made to keep moisture state；
(b) suitable 55% hydrochloric acid solution is added into the hydroxylmethyl cellulose of moistening and is adjusted to PH 4.8, then heats to
60 degrees Celsius, the oxidant 4- formamides-TEMPO that 0.15 times of hydroxylmethyl cellulose degree weight is added coordinates NaClO/NaClO2,
It is uniformly mixed, persistently stirs 40 hours；
(c) hydroxymethyl cellulose after oxidation is cooled to room temperature, washing filtering is to get modified Nano hydroxymethyl cellulose
Crystal.
Filler is talcum powder, glass microballoon and titanium dioxide according to mass ratio 2.4:1:0.6 mixing composition.
Ultraviolet absorber is bis- (2,2,6,6- tetramethyl -4- piperidyls) sebacic acid esters；
Antioxidant is 2,2- di-2-ethylhexylphosphine oxides (4- methyl -6- butylphenols) and phosphite according to mass ratio 2:1 mixing
Composition；
Antifreezing agent is ethylene glycol, urea, triethanolamine and dodecyl sodium sulfate according to mass ratio 20:10:2:1 mixing group
At；
Fire retardant is zinc oxide and tin oxide according to mass ratio 2:1 mixing composition.
A kind of preparation method of above-mentioned New insulated composite material is also disclosed in the present embodiment, specifically, including it is following
Step：
(1) each raw material is weighed according to the raw material weight number of New insulated composite material；
(2) polyamide, epoxy cellulose acetate and antioxidant are uniformly mixed, are warming up to 90-120 degrees Celsius,
Mixing is carried out, mixing time is 14 minutes, obtains mixture A, spare；
(3) by calcium carbonate, silicon nitride, modified Nano hydroxylmethyl cellulose cellulose crystal, magnesium stearate, kaolin, silica,
After mica particles, glass fibre mixing, puts into ball mill and be ground to get mixture B, it is spare；
(4) by mixture A and mixture B and silane coupling agent, filler, ultraviolet absorber, antifreezing agent and fire retardant
It is mixed, rotating speed is 900 revs/min, and temperature is 80 degrees Celsius, is stirred 25 minutes, is uniformly mixed；
(5) mixed material obtained in step (4) is squeezed out, is cooled and shaped to get the New insulated composite wood
Material.
The grain diameter of mixture B is 400 mesh in step (3).
It is squeezed out, is molded using high shear type double screw extruder in step (5).
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of composite isolated material, which is characterized in that including following raw material by weight：Polyamide 30-
40 parts, 10-20 parts of epoxy cellulose acetate, 8-15 parts of calcium carbonate, 5-15 parts of silicon nitride, modified Nano hydroxylmethyl cellulose cellulose crystal
8-15 parts, 3-8 parts of magnesium stearate, 8-13 parts of kaolin, 5-11 parts of silica, 5-12 parts of mica particles, glass fibre 6-14
Part, 2-6 parts of silane coupling agent, 3-8 parts of filler, 1.5-3.5 parts of ultraviolet absorber, 2.2-5.3 parts of antioxidant, antifreezing agent
0.8-4.6 parts and 1-5 parts of fire retardant.
2. composite isolated material according to claim 1, which is characterized in that include the raw material of following parts by weight meter：
36 parts of polyamide, 15 parts of epoxy cellulose acetate, 11 parts of calcium carbonate, 8 parts of silicon nitride, modified Nano hydroxymethyl cellulose are brilliant
10 parts of body, 5 parts of magnesium stearate, 10 parts of kaolin, 7 parts of silica, 8 parts of mica particles, 9 parts of glass fibre, silane coupling agent 4
Part, 5 parts of filler, 2 parts of ultraviolet absorber, 3 parts of antioxidant, 3 parts of antifreezing agent and 2.5 parts of fire retardant.
3. composite isolated material according to claim 1, which is characterized in that the modified Nano hydroxymethyl cellulose
The preparation method of crystal is as follows：
(a) it is added in suitable moisture to hydroxymethyl cellulose, it is made to keep moisture state；
(b) suitable 55% hydrochloric acid solution is added into the hydroxylmethyl cellulose of moistening and is adjusted to PH 4.8, then heats to 60 and takes the photograph
Family name's degree, the oxidant 4- formamides-TEMPO that 0.1-0.2 times of hydroxylmethyl cellulose degree weight is added coordinate NaClO/NaClO2, mix
It closes uniformly, persistently stirs 30-50 hours；
(c) hydroxymethyl cellulose after oxidation is cooled to room temperature, washing filtering is brilliant to get modified Nano hydroxymethyl cellulose
Body.
4. New insulated composite material according to claim 1, which is characterized in that the filler is talcum powder, glass
Microballon and titanium dioxide are according to mass ratio (2-3):1:(0.5-0.8) mixing composition.
5. New insulated composite material according to claim 1, which is characterized in that the ultraviolet absorber is 2- (2- hydroxyls
Base -5- aminomethyl phenyls) benzotriazole, 2- (2- hydroxyl -3,5- diamyl phenyl) benzotriazole, 2- (2- hydroxyl -3,5- t-octyls
Phenyl) benzotriazole, one or more of bis- (2,2,6,6- tetramethyl -4- piperidyls) sebacic acid esters combine；
The antioxidant is 2,2- di-2-ethylhexylphosphine oxides (4- methyl -6- butylphenols) and phosphite according to mass ratio 2:1 mixing
Composition；
The antifreezing agent is ethylene glycol, urea, triethanolamine and dodecyl sodium sulfate according to mass ratio 20:10:2:1 mixing group
At；
The fire retardant is the mixing of one or more of zinc borate, zinc oxide, iron oxide and tin oxide.
6. a kind of preparation method of New insulated composite material as described in any one in claim 1-5, which is characterized in that including
Following steps：
(1) each raw material is weighed according to the raw material weight number of New insulated composite material；
(2) polyamide, epoxy cellulose acetate and antioxidant are uniformly mixed, are warming up to 90-120 degrees Celsius, carried out
Mixing, mixing time are 10-15 minutes, obtain mixture A, spare；
(3) by calcium carbonate, silicon nitride, modified Nano hydroxylmethyl cellulose cellulose crystal, magnesium stearate, kaolin, silica, mica
After particle, glass fibre mixing, puts into ball mill and be ground to get mixture B, it is spare；
(4) mixture A and mixture B and silane coupling agent, filler, ultraviolet absorber, antifreezing agent and fire retardant are mixed
Stirring, rotating speed are 700-1200 revs/min, and temperature is 70-85 degrees Celsius, is stirred 20-30 minutes, is uniformly mixed；
(5) mixed material obtained in step (4) is squeezed out, is cooled and shaped to get the New insulated composite material.
7. the preparation method of New insulated composite material according to claim 6, which is characterized in that in the step (3)
The grain diameter of mixture B is 200-500 mesh.
8. the preparation method of New insulated composite material according to claim 6, which is characterized in that in the step (5)
It is squeezed out, is molded using high shear type double screw extruder.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216945A (en) * | 2019-06-06 | 2019-09-10 | 扬州市顺腾不锈钢照明器材有限公司 | A kind of electromagnetic steel plate of high-insulativity |
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