CN104262916A - Special packing for durable capacitor rubber diaphragm and preparation method of packing - Google Patents

Abstract

The invention discloses special packing for a durable capacitor rubber diaphragm. The packing is prepared from the following raw materials in parts by weight: 2.5-3 parts of accelerant DM, 4-6 parts of sulfur, 2-3 parts of zinc oxide, 2-3 parts of ethyldiol methacrylate, 2-3 parts of sulfamic acid, 4-6 parts of silica powder, 3-5 parts of ploycaprolactone, 1-1.3 parts of nanocarbon, 3-5 parts of nano-zinc oxide, 1-2 parts of dibutyltin dilaurate, 1-2 parts of dioctyl phthalate, 55-60 parts of medical stone powder, a proper amount of water, a proper amount of 4-6 percent of hydrochloric acid and 15-20 parts of aids. According to the packing, the nano zinc oxide is added, so that the smoothness, wear resistance, mechanical strength and ageing resistance of the rubber diaphragm can be improved, and the service life is prolonged; due to the addition of the silica powder, the insulating properties and thermal stability of the rubber diaphragm are improved; due to the medical stone powder, the cost is reduced, and the reinforcing gas barrier property is high; and moreover, due to the aids, the dispersity and reinforcing performance of the packing can be improved, and the strength and impact toughness resistance of the capacitor rubber diaphragm can be improved.

Description

A kind of weather resistance electrical condenser diaphragm of rubber filler special and preparation method thereof

Technical field

The invention belongs to rubber materials, particularly a kind of weather resistance electrical condenser diaphragm of rubber filler special and preparation method thereof.

Background technology

Film capacitor, owing to having much excellent characteristic, is therefore a kind of electrical condenser of excellent performance.Simple polypropylene (PP) although film has heat-resisting, corrosion-resistant, the outstanding advantages of goods used vapour sterilization, and density is little, is the lightest general-purpose plastics; But there is low-temperature impact resistance difference in it, more aging shortcoming.Therefore need to carry out modification to film.Further, the power of current thin film electrical condenser increases, and in order to prevent puncturing, simultaneously in order to extend the work-ing life of electrical condenser, needs the insulating property increasing capacitor film.One of method of modifying is exactly improve filler.

Summary of the invention

The object of the present invention is to provide a kind of weather resistance electrical condenser diaphragm of rubber filler special and preparation method thereof, this filler can improve the smoothness of diaphragm of rubber, wear resistance, physical strength and ageing resistance, increase the service life, add insulativity and the thermostability of diaphragm of rubber.

Technical scheme of the present invention is as follows:

A kind of weather resistance electrical condenser diaphragm of rubber filler special, is characterized in that being made up of the raw material of following weight part: vinegar 3-5, nano-sized carbon 1-1.3, nano zine oxide 3-5, dibutyl tin laurate 1-2, dioctyl ester 1-2, medical stone powder 55-60 in altax 2.5-3, sulphur 4-6, zinc oxide 2-3, Ethylene glycol dimethacrylate 2-3, thionamic acid 2-3, silicon powder 4-6, poly-caproic acid, water is appropriate, 4-6% hydrochloric acid is appropriate, auxiliary agent 15-20;

Described auxiliary agent is made up of the raw material of following weight part: N,N-DIMETHYLACETAMIDE 1-2, whiteruss 1-1.5, Sodium Benzoate 0.5-0.8, activated Calcium carbonate 2-3, bamboo charcoal powder 5-7, 3-4% sodium hydroxide solution 10-15, ferrocene 0.4-0.6, alizarin assistant 0.1-0.2, ethyl propenoate 2-3, methyl acrylate 1-1.5, osmanthus essential oil 0.1-0.2, sulphur phosphorus fourth octyl group zinc salt 0.2-0.3, bicarbonate of ammonia 0.2-0.3, beryllium oxide 0.5-0.8, tbp 0.3-0.5, calcium sulfite 0.3-0.6, Potassium Persulphate 0.1-0.2, ammonium persulphate 0.1-0.2, water is appropriate, preparation method is: bamboo charcoal powder mixed with 3-4% sodium hydroxide solution, be heated to 80-90 DEG C, stirring reaction 20-30 minute, being washed to pH is 7-9, dry, mix with N,N-DIMETHYLACETAMIDE, whiteruss, Sodium Benzoate, ferrocene, osmanthus essential oil, sulphur phosphorus fourth octyl group zinc salt, bicarbonate of ammonia, tbp, calcium sulfite, grinding 15-20 minute, obtains bamboo charcoal particle again, again alizarin assistant is added in suitable quantity of water, add bamboo charcoal particle again, 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 activated Calcium carbonate, methyl acrylate, add other remaining components after stirring, continue stirring reaction 40-50 minute, dry, dispersion grinding becomes the particle of 2-50 μm, to obtain final product.

The preparation method of described weather resistance electrical condenser diaphragm of rubber filler special, is characterized in that comprising the following steps:

(1) medical stone powder is sent in calcining furnace, at 700-800 DEG C, calcine 2-3 hour, take out and pulverize, cross 100 mesh sieves, add 2-3 4-6% hydrochloric acid doubly again, 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) by vinegar, nano-sized carbon, nano zine oxide, dibutyl tin laurate, dioctyl ester mixing in altax, sulphur, zinc oxide, Ethylene glycol dimethacrylate, thionamic acid, silicon powder, poly-caproic acid, grinding 20-30 minute, obtains mixture;

(3) by the mixing of materials that (1) step and (2) step obtain, add suitable quantity of water and stir into pureed, grind to form the slurry of 2-50 μm, spraying dry, then mix with other remaining components, to obtain final product.

Beneficial effect of the present invention

Filler of the present invention with the addition of nano zine oxide, can improve the smoothness of diaphragm of rubber, wear resistance, physical strength and ageing resistance, increase the service life; By adding silicon powder, add insulativity and the thermostability of diaphragm of rubber; By using medical stone powder, reduce cost, reinforcement gas barrier properties is good; The application of the invention auxiliary agent, can improve the dispersiveness of filler, reinforcing property, can improve intensity and the tough of electrical condenser diaphragm of rubber.

Embodiment

A kind of weather resistance electrical condenser diaphragm of rubber filler special, is made up of the raw material of following weight part (kilogram): vinegar 4, nano-sized carbon 1.2, nano zine oxide 4, dibutyl tin laurate 1.5, dioctyl ester 1.5, medical stone powder 58 in altax 2.8, sulphur 5, zinc oxide 2.5, Ethylene glycol dimethacrylate 2.5, thionamic acid 2.5, silicon powder 5, poly-caproic acid, water is appropriate, 5% hydrochloric acid is appropriate, auxiliary agent 18;

Described auxiliary agent is made up of the raw material of following weight part (kilogram): N,N-DIMETHYLACETAMIDE 1.5, whiteruss 1.3, Sodium Benzoate 0.6, activated Calcium carbonate 2.5, bamboo charcoal powder 6,3.5% sodium hydroxide solution 13, ferrocene 0.5, alizarin assistant 0.1, ethyl propenoate 2.5, methyl acrylate 1.3, osmanthus essential oil 0.1, sulphur phosphorus fourth octyl group zinc salt 0.2, bicarbonate of ammonia 0.3, beryllium oxide 0.7, tbp 0.4, calcium sulfite 0.5, Potassium Persulphate 0.1, ammonium persulphate 0.1, water are appropriate; Preparation method is: bamboo charcoal powder mixed with 3.5% sodium hydroxide solution, be heated to 85 DEG C, stirring reaction 25 minutes, being washed to pH is 8, dry, mix with N,N-DIMETHYLACETAMIDE, whiteruss, Sodium Benzoate, ferrocene, osmanthus essential oil, sulphur phosphorus fourth octyl group zinc salt, bicarbonate of ammonia, tbp, calcium sulfite again, grind 17 minutes, obtain bamboo charcoal particle; Again alizarin assistant is added in suitable quantity of water, add bamboo charcoal particle again, after stirring, add ethyl propenoate, after stirring, be warming up to 75 DEG C, add ammonium persulphate, stirring reaction 25 minutes, then add activated Calcium carbonate, methyl acrylate, add other remaining components after stirring, continue stirring reaction 45 minutes, dry, dispersion grinding becomes the particle of 2-50 μm, to obtain final product.

The preparation method of described weather resistance electrical condenser diaphragm of rubber filler special, comprises the following steps:

(1) medical stone powder is sent in calcining furnace, calcine 2.5 hours at 750 DEG C, take out and pulverize, cross 100 mesh sieves, then add 5% 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, obtains particle;

(2) by vinegar, nano-sized carbon, nano zine oxide, dibutyl tin laurate, dioctyl ester mixing in altax, sulphur, zinc oxide, Ethylene glycol dimethacrylate, thionamic acid, silicon powder, poly-caproic acid, grind 25 minutes, obtain mixture;

(3) by the mixing of materials that (1) step and (2) step obtain, add suitable quantity of water and stir into pureed, grind to form the slurry of 2-50 μm, spraying dry, then mix with other remaining components, to obtain final product.

Experimental data: the filler of the present embodiment is added in electrical condenser diaphragm of rubber, addition is 10-15%, flexural strength >=the 13Mpa of barrier film, shock strength >=13.5J/mm2, tensile break strength >=18Mpa, elongation at break >=400%, 1.4Mpa air pressure difference 24 DEG C × 24H pressure reduced rate≤7.5%.

Claims (2)

1. a weather resistance electrical condenser diaphragm of rubber filler special, is characterized in that being made up of the raw material of following weight part: vinegar 3-5, nano-sized carbon 1-1.3, nano zine oxide 3-5, dibutyl tin laurate 1-2, dioctyl ester 1-2, medical stone powder 55-60 in altax 2.5-3, sulphur 4-6, zinc oxide 2-3, Ethylene glycol dimethacrylate 2-3, thionamic acid 2-3, silicon powder 4-6, poly-caproic acid, water is appropriate, 4-6% hydrochloric acid is appropriate, auxiliary agent 15-20;

Described auxiliary agent is made up of the raw material of following weight part: N,N-DIMETHYLACETAMIDE 1-2, whiteruss 1-1.5, Sodium Benzoate 0.5-0.8, activated Calcium carbonate 2-3, bamboo charcoal powder 5-7, 3-4% sodium hydroxide solution 10-15, ferrocene 0.4-0.6, alizarin assistant 0.1-0.2, ethyl propenoate 2-3, methyl acrylate 1-1.5, osmanthus essential oil 0.1-0.2, sulphur phosphorus fourth octyl group zinc salt 0.2-0.3, bicarbonate of ammonia 0.2-0.3, beryllium oxide 0.5-0.8, tbp 0.3-0.5, calcium sulfite 0.3-0.6, Potassium Persulphate 0.1-0.2, ammonium persulphate 0.1-0.2, water is appropriate, preparation method is: bamboo charcoal powder mixed with 3-4% sodium hydroxide solution, be heated to 80-90 DEG C, stirring reaction 20-30 minute, being washed to pH is 7-9, dry, mix with N,N-DIMETHYLACETAMIDE, whiteruss, Sodium Benzoate, ferrocene, osmanthus essential oil, sulphur phosphorus fourth octyl group zinc salt, bicarbonate of ammonia, tbp, calcium sulfite, grinding 15-20 minute, obtains bamboo charcoal particle again, again alizarin assistant is added in suitable quantity of water, add bamboo charcoal particle again, 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 activated Calcium carbonate, methyl acrylate, add other remaining components after stirring, continue stirring reaction 40-50 minute, dry, dispersion grinding becomes the particle of 2-50 μm, to obtain final product.

2. the preparation method of weather resistance electrical condenser diaphragm of rubber filler special according to claim 1, is characterized in that comprising the following steps:

(1) medical stone powder is sent in calcining furnace, at 700-800 DEG C, calcine 2-3 hour, take out and pulverize, cross 100 mesh sieves, add 2-3 4-6% hydrochloric acid doubly again, 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) by vinegar, nano-sized carbon, nano zine oxide, dibutyl tin laurate, dioctyl ester mixing in altax, sulphur, zinc oxide, Ethylene glycol dimethacrylate, thionamic acid, silicon powder, poly-caproic acid, grinding 20-30 minute, obtains mixture;

(3) by the mixing of materials that (1) step and (2) step obtain, add suitable quantity of water and stir into pureed, grind to form the slurry of 2-50 μm, spraying dry, then mix with other remaining components, to obtain final product.