CN104140560A - Special packing for antistatic flame-retardant capacitor film and preparation method of packing - Google Patents

Abstract

The invention provides special packing for an antistatic flame-retardant capacitor film. The special packing comprises the following raw materials of, by weight, 10-15 parts of isotatic polypropylene, 2-3 parts of graphene nanoplatelets, 15-20 parts of magnesium hydrate, 3-5 parts of sodium molybdate, 2-3 parts of sodium orthophosphate, 2-3 parts of hydrogenated tallow amine, 3-4 parts of polyethylene wax, 2-3 parts of sasol wax, 2-3 parts of perfluoroalkylethyl acrylate, 50-55 parts of municipal sludge, a proper amount of 5-7% muriatic acid, a proper amount of water and 15-20 parts of additives. The hydrogenated tallow amine is added to the packing, and therefore the film has the antistatic effect and is good in anti-puncturing performance; the magnesium hydrate is added, and therefore the film has an excellent flame retardant property; the perfluoroalkylethyl acrylate is added, and therefore the anti-pollution performance of the film is enhanced; the municipal sludge is used, therefore, the cost is reduced, the fineness is high, and the reinforcement performance is good; the additives are used, therefore, the dispersibility and the reinforcement performance of the packing can be improved, and the strength and the impact toughness of the film can be improved.

Description

A kind of anti-electrostatic fire retardant capacitor film filler special and preparation method thereof

Technical field

The invention belongs to capacitor film field, particularly a kind of anti-electrostatic fire retardant capacitor film filler special and preparation method thereof.

Background technology

Film capacitor, owing to having a lot of good characteristics, is therefore the outstanding electrical condenser of a kind of performance.Its property such as main is as follows: nonpolarity, insulation impedance is very high, frequency response characteristic excellence (frequency response broadness), and also dielectric loss is very little.Based on above advantage, so film capacitor is used on mimic channel in a large number.Especially in the part of signal commissure, necessary frequency of utilization characteristic is good, and the electrical condenser that dielectric loss is extremely low can guarantee that signal is in the time transmitting, and does not have too large distortion situation and occurs.

In the middle of all plastics film electric capacity, the characteristic of polypropylene (PP) electric capacity and polystyrene (PS) electric capacity is the most remarkable, thus in recent years PP electric capacity and PS electric capacity to be used in frequency and the quantity of sound appliances also more and more high.Simple polypropylene (PP) is although that film has is heat-resisting, corrosion-resistant, the outstanding advantages of goods used vapour sterilization, and also density is little, is the lightest general-purpose plastics; But it exists low-temperature impact resistance poor, easily aging shortcoming.Polystyrene (PS) film has high transparency, and electrical insulation capability is good, easy coloring, and processing fluidity is good, and good rigidly and chemical resistance are good, but more crisp, and shock strength is low, is prone to stress cracking, poor heat resistance and not resistance to boiling water; Therefore need film to carry out modification.And along with the range of application of electrical condenser increases gradually, the performance of film also needs to improve, such as heat-resisting, low temperature resistant, acid and alkali-resistance, corrosion-resistant, intensity, ageing-resistant, UV resistant, fire-retardant, wear-resisting, toughness, the performance need such as shock-resistant improve, can be by adding the filler modified performance of improving.

Summary of the invention

The object of the present invention is to provide a kind of anti-electrostatic fire retardant capacitor film filler special and preparation method thereof, this filler makes film have antistatic effect, and anti-breakdown performance is good, has excellent flame retardant properties, has increased the antifouling property of film.

Technical scheme of the present invention is as follows:

A kind of anti-electrostatic fire retardant capacitor film filler special, is characterized in that being made up of the raw material of following weight part: isotatic polypropylene 10-15, Graphene microplate 2-3, magnesium hydroxide 15-20, Sodium orthomolybdate 3-5, sodium orthophosphate 2-3, hydrogenated tallow amine 2-3, polyethylene wax 3-4, husky rope wax 2-3, perfluor alkyl ethyl acrylate 2-3, municipal sludge 50-55,5-7% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20;

Described auxiliary agent is made up of the raw material of following weight part: zinc sulfate 0.5-0.8, nano barium sulfate 1-1.5, lime powder 2-3, EDETATE SODIUM 0.2-0.4, benzotriazole 0.2-0.3, silicon ash 5-7,2-3% hydrochloric acid soln 10-15, sodium oleate 0.1-0.2, silane coupling agent KH-572 0.1-0.2, ethyl propenoate 2-3, diethylene glycol dibutyl ether 1-2, butyl (tetra) titanate 0.1-0.2, ethylene glycol amine 0.1-0.2, fatty acid amine 0.5-0.8, ammonium persulphate 0.1-0.2, water are appropriate; Preparation method is: silicon ash is mixed with 2-3% hydrochloric acid soln, be heated to 50-60 DEG C, stirring reaction 20-30 minute, filter, obtain filter residue, being washed to pH is 6-8, dry, mix with zinc sulfate, EDETATE SODIUM, benzotriazole, sodium oleate, diethylene glycol dibutyl ether, butyl (tetra) titanate, ethylene glycol amine, fatty acid amine again, grind 15-20 minute, obtain silicon ash particle; Again silane coupling agent KH-572 is added in suitable quantity of water, add again silicon ash particle, after stirring, add ethyl propenoate, after stirring, be warming up to 70-80 DEG C, add ammonium persulphate, stirring reaction 20-30 minute, then add lime powder, continue stirring reaction 30-40 minute, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μ m, to obtain final product.

The preparation method of described anti-electrostatic fire retardant capacitor film filler special, is characterized in that comprising the following steps:

(1) municipal sludge is sent in calcining furnace, at 700-800 DEG C, calcined 2-3 hour, take out and pulverize, cross 100 mesh sieves, add again 2-3 5-7% hydrochloric acid doubly, be heated to 50-70 DEG C, stir 10-20 minute, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;

(2) isotatic polypropylene, Graphene microplate, magnesium hydroxide, Sodium orthomolybdate, sodium orthophosphate, hydrogenated tallow amine, polyethylene wax, husky rope wax, perfluor alkyl ethyl acrylate are mixed, grind 20-30 minute, obtain mixture;

(3) mixing of materials (1) step and (2) step being obtained, adds suitable quantity of water to stir into mud shape, grinds to form the slurry of 2-50 μ m, and spraying is dry, then mixes with other remaining components, to obtain final product.

Beneficial effect of the present invention

Filler of the present invention has added hydrogenated tallow amine, makes film have antistatic effect, and anti-breakdown performance is good; By adding magnesium hydroxide, make film there is excellent flame retardant properties; By adding perfluor alkyl ethyl acrylate, increase the antifouling property of film; By using municipal sludge, reduce cost, fineness is high, and reinforcing property is good; The application of the invention auxiliary agent, can improve dispersiveness, the reinforcing property of filler, can improve thin film strength and tough.

Embodiment

A kind of anti-electrostatic fire retardant capacitor film filler special, by following weight part (kilogram) raw material make: isotatic polypropylene 13, Graphene microplate 2.5, magnesium hydroxide 18, Sodium orthomolybdate 4, sodium orthophosphate 2.5, hydrogenated tallow amine 2.5, polyethylene wax 3.5, husky rope wax 2.5, perfluor alkyl ethyl acrylate 2.5, municipal sludge 53,6% hydrochloric acid is appropriate, water appropriate, auxiliary agent 17;

Described auxiliary agent by following weight part (kilogram) raw material make: zinc sulfate 0.6, nano barium sulfate 1.3, lime powder 2.5, EDETATE SODIUM 0.3, benzotriazole 0.3, silicon ash 6,2.5% hydrochloric acid soln 13, sodium oleate 0.1, silane coupling agent KH-572 0.1, ethyl propenoate 2.5, diethylene glycol dibutyl ether 1.5, butyl (tetra) titanate 0.1, ethylene glycol amine 0.1, fatty acid amine 0.7, ammonium persulphate 0.1, water are appropriate; Preparation method is: silicon ash is mixed with 2.5% hydrochloric acid soln, be heated to 55 DEG C, stirring reaction 25 minutes, filter, obtain filter residue, being washed to pH is 7, dry, mix with zinc sulfate, EDETATE SODIUM, benzotriazole, sodium oleate, diethylene glycol dibutyl ether, butyl (tetra) titanate, ethylene glycol amine, fatty acid amine again, grind 18 minutes, obtain silicon ash particle; Again silane coupling agent KH-572 is added in suitable quantity of water, add again silicon ash particle, after stirring, add ethyl propenoate, after stirring, be warming up to 78 DEG C, add ammonium persulphate, stirring reaction 28 minutes, then add lime powder, continue stirring reaction 38 minutes, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μ m, to obtain final product.

The preparation method of described anti-electrostatic fire retardant capacitor film filler special, comprises the following steps:

(1) municipal sludge is sent in calcining furnace, at 750 DEG C, calcined 2.5 hours, take out and pulverize, cross 100 mesh sieves, then add 6% hydrochloric acid of 2.5 times, be heated to 60 DEG C, stir 15 minutes, filter, obtain filter residue, pickling once, then is washed to neutrality more as stated above, filters, and obtains particle;

(2) isotatic polypropylene, Graphene microplate, magnesium hydroxide, Sodium orthomolybdate, sodium orthophosphate, hydrogenated tallow amine, polyethylene wax, husky rope wax, perfluor alkyl ethyl acrylate are mixed, grind 25 minutes, obtain mixture;

(3) mixing of materials (1) step and (2) step being obtained, adds suitable quantity of water to stir into mud shape, grinds to form the slurry of 2-50 μ m, and spraying is dry, then mixes with other remaining components, to obtain final product.

Experimental data: the filler of the present embodiment is added in polypropylene capacitor film, and addition is 10-15%, film thickness is 2-50 μ m, film breakdown magnitude of voltage >=0.60kV/ μ m(100 DEG C).

Claims (2)

1. an anti-electrostatic fire retardant capacitor film filler special, is characterized in that being made up of the raw material of following weight part: isotatic polypropylene 10-15, Graphene microplate 2-3, magnesium hydroxide 15-20, Sodium orthomolybdate 3-5, sodium orthophosphate 2-3, hydrogenated tallow amine 2-3, polyethylene wax 3-4, husky rope wax 2-3, perfluor alkyl ethyl acrylate 2-3, municipal sludge 50-55,5-7% hydrochloric acid are appropriate, water appropriate, auxiliary agent 15-20;

Described auxiliary agent is made up of the raw material of following weight part: zinc sulfate 0.5-0.8, nano barium sulfate 1-1.5, lime powder 2-3, EDETATE SODIUM 0.2-0.4, benzotriazole 0.2-0.3, silicon ash 5-7,2-3% hydrochloric acid soln 10-15, sodium oleate 0.1-0.2, silane coupling agent KH-572 0.1-0.2, ethyl propenoate 2-3, diethylene glycol dibutyl ether 1-2, butyl (tetra) titanate 0.1-0.2, ethylene glycol amine 0.1-0.2, fatty acid amine 0.5-0.8, ammonium persulphate 0.1-0.2, water are appropriate; Preparation method is: silicon ash is mixed with 2-3% hydrochloric acid soln, be heated to 50-60 DEG C, stirring reaction 20-30 minute, filter, obtain filter residue, being washed to pH is 6-8, dry, mix with zinc sulfate, EDETATE SODIUM, benzotriazole, sodium oleate, diethylene glycol dibutyl ether, butyl (tetra) titanate, ethylene glycol amine, fatty acid amine again, grind 15-20 minute, obtain silicon ash particle; Again silane coupling agent KH-572 is added in suitable quantity of water, add again silicon ash particle, after stirring, add ethyl propenoate, after stirring, be warming up to 70-80 DEG C, add ammonium persulphate, stirring reaction 20-30 minute, then add lime powder, continue stirring reaction 30-40 minute, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μ m, to obtain final product.

2. the preparation method of anti-electrostatic fire retardant capacitor film filler special according to claim 1, is characterized in that comprising the following steps:

(1) municipal sludge is sent in calcining furnace, at 700-800 DEG C, calcined 2-3 hour, take out and pulverize, cross 100 mesh sieves, add again 2-3 5-7% hydrochloric acid doubly, be heated to 50-70 DEG C, stir 10-20 minute, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;

(2) isotatic polypropylene, Graphene microplate, magnesium hydroxide, Sodium orthomolybdate, sodium orthophosphate, hydrogenated tallow amine, polyethylene wax, husky rope wax, perfluor alkyl ethyl acrylate are mixed, grind 20-30 minute, obtain mixture;

(3) mixing of materials (1) step and (2) step being obtained, adds suitable quantity of water to stir into mud shape, grinds to form the slurry of 2-50 μ m, and spraying is dry, then mixes with other remaining components, to obtain final product.