CN109233292A - A kind of ageing-resistant capacitor sheath preparation method - Google Patents
A kind of ageing-resistant capacitor sheath preparation method Download PDFInfo
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- CN109233292A CN109233292A CN201811215058.2A CN201811215058A CN109233292A CN 109233292 A CN109233292 A CN 109233292A CN 201811215058 A CN201811215058 A CN 201811215058A CN 109233292 A CN109233292 A CN 109233292A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Abstract
The invention discloses a kind of ageing-resistant capacitor sheath preparation methods, include the following steps: for zinc stearate, oleamide, vinyl bis-stearamides to be stirred at room temperature, heating continues to stir, Cocoamidopropyl betaine is added to stir evenly, polysorbate, silane coupling agent are sequentially added under stirring, continue to stir, cooling, grinding obtains material a；Methyl vinyl silicone rubber, fluorine silicone rubber, material a are kneaded, nano-bentonite, coconut husk powdered carbon, constitution controller is added and continues to be kneaded, vacuum stands to obtain material b；Tert-butyl hydroperoxide, Bao Tong are added into material b, vulcanization heats up and continues to vulcanize, and cooling obtains ageing-resistant capacitor sheath.The capacitor produced sheath hot air aging of the present invention, fire-retardant, mechanical property is good.
Description
Technical field
The present invention relates to capacitor technology field more particularly to a kind of ageing-resistant capacitor sheath preparation methods.
Background technique
Capacitor is called in the usual letter of capacitor, is a kind of device for accommodating charge.Capacitor is largely used in electronic equipment
One of electronic component, be widely used in separated by direct communication in circuit, coupling, bypass, filtering, resonant tank, energy conversion, control
System etc..When capacitor is mounted in PC plate, in order to play insulation and dust-proof effect, sheath is often used, it is existing
Capacitor sheath in technology is generally prepared using rubber material, but there is a problem of ageing-resistant performance deficiency.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of ageing-resistant capacitor sheath preparation method,
Capacitor produced sheath hot air aging, fire-retardant, mechanical property is good.
A kind of ageing-resistant capacitor sheath preparation method proposed by the present invention, includes the following steps:
S1, zinc stearate, oleamide, vinyl bis-stearamides are stirred at room temperature, heating continues to stir, and cocounut oil is added
Amido propyl betaine stirs evenly, and polysorbate, silane coupling agent are sequentially added under stirring, continues to stir, cooling,
Grinding obtains material a；
S2, methyl vinyl silicone rubber, fluorine silicone rubber, material a are kneaded, nano-bentonite, coconut husk powdered carbon, structure is added
Controlling agent continues to be kneaded, and vacuum stands to obtain material b；
S3, tert-butyl hydroperoxide, Bao Tong are added into material b, vulcanization heats up and continues to vulcanize, and cooling obtains ageing-resistant
Capacitor sheath.
Preferably, in S1, zinc stearate, vinyl bis-stearamides, Cocoamidopropyl betaine, gathers oleamide
Sorbitol ester, silane coupling agent weight ratio be 20-30:10-30:40-100:80-100:4-16:1-2.
Preferably, in S1,10-18min is stirred at room temperature in zinc stearate, oleamide, vinyl bis-stearamides, is heated up
Continue to stir 10-20min to 140-160 DEG C, Cocoamidopropyl betaine is added and stirs evenly, mixing speed 2000-
2400r/min sequentially adds polysorbate, silane coupling agent under stirring, continues to stir 30-50min, is cooled to 40-
50 DEG C, 5-15min is ground, grinding pressure 120-200kPa obtains material a.
Preferably, in S2, methyl vinyl silicone rubber, fluorine silicone rubber, material a are kneaded 2-6min, melting temperature 90-
110℃。
Preferably, in S2, nano-bentonite, coconut husk powdered carbon, constitution controller is added and continues to be kneaded 2-10min, is kneaded temperature
Degree is 140-150 DEG C.
Preferably, in S2, vacuum time of repose is 10-14min, vacuum degree 0.02-0.05kPa.
Preferably, in S2, methyl vinyl silicone rubber, fluorine silicone rubber, material a, nano-bentonite, coconut husk powdered carbon, structure
The weight ratio of controlling agent is 80-120:20-40:1-3:20-40:15-35:1-3.
Preferably, in S3, a vulcanization time is 2-10min, and a curing temperature is 140-150 DEG C.
Preferably, in S3, the post-cure time is 1-3min, and post-cure temperature is 180-195 DEG C.
Preferably, in S3, material b, tert-butyl hydroperoxide weight ratio be 120-200:0.6-1.8.
The capacitor produced sheath of the present invention not only fully meets requirements of the national standard, has very good mechanical properties and electrical property
Can, and there is excellent UV resistant and acid etch resistance energy, material is intact after ultraviolet light (xenon arc method) aging 1500h, leaching
Material is intact after 45min in the nitric acid solution of 65wt% for bubble, while thermally conductive intensity is high, and thermal coefficient is up to 6.2W/ (m
K)。
In S1 of the present invention, zinc stearate, oleamide, vinyl bis-stearamides compounding can effectively enhance coconut oleoyl amine
The mobility of propyl betaine, in the cooperation lower surface of silane coupling agent grafting polysorbate, high temperature resistant, antiseptic property is good；
In S2, material a can promote coconut husk powdered carbon, nano-bentonite and methyl vinyl silicone rubber, fluorine silicone rubber is uniformly dispersed, and can be
Uniform thermally conductive network chain is formed in rubber matrix, and forms smooth passage of heat, significantly improves the capacitor produced shield of the present invention
The heating conduction of set, high-temperature capability is high, and thermal coefficient is up to 6.2W/ (mK)；Coconut husk powdered carbon and nano-bentonite are multiple simultaneously
Match, and rationally control proportion, filling effect is good, can reduce the additional amount of methyl vinyl silicone rubber, fluorine silicone rubber indirectly, effectively
Cost input is reduced, industrial application is convenient for.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of ageing-resistant capacitor sheath preparation method, includes the following steps:
S1,18min is stirred at room temperature in 20kg zinc stearate, 30kg oleamide, 40kg vinyl bis-stearamides, heated up
Continue to stir 20min to 140 DEG C, 80kg Cocoamidopropyl betaine is added and stirs evenly, mixing speed 2400r/min,
4kg polysorbate, 2kg silane coupling agent are sequentially added under stirring, continues to stir 30min, are cooled to 50 DEG C, grinding
5min, grinding pressure 200kPa obtain material a；
S2,80kg methyl vinyl silicone rubber, 40kg fluorine silicone rubber, 1kg material a are kneaded 6min, melting temperature 90
DEG C, 40kg nano-bentonite, 15kg coconut husk powdered carbon, 3kg constitution controller is added and continues to be kneaded 2min, melting temperature is 150 DEG C,
Vacuum stands 10min, and vacuum degree 0.05kPa obtains material b；
S3,1.8kg tert-butyl hydroperoxide is added into 120kg material b, it is thin 1 time logical, once vulcanize 10min, a sulphur
Changing temperature is 140 DEG C, post-cure 3min, and post-cure temperature is 180 DEG C, and cooling obtains ageing-resistant capacitor sheath.
Embodiment 2
A kind of ageing-resistant capacitor sheath preparation method, includes the following steps:
S1,10min is stirred at room temperature in 30kg zinc stearate, 10kg oleamide, 100kg vinyl bis-stearamides, risen
Temperature continues to stir 10min to 160 DEG C, and 100kg Cocoamidopropyl betaine is added and stirs evenly, mixing speed 2000r/
Min sequentially adds 16kg polysorbate, 1kg silane coupling agent under stirring, continues to stir 50min, is cooled to 40 DEG C,
15min is ground, grinding pressure 120kPa obtains material a；
S2,120kg methyl vinyl silicone rubber, 20kg fluorine silicone rubber, 3kg material a are kneaded 2min, melting temperature is
110 DEG C, 20kg nano-bentonite, 35kg coconut husk powdered carbon, 1kg constitution controller is added and continues to be kneaded 10min, melting temperature is
140 DEG C, vacuum stands 14min, and vacuum degree 0.02kPa obtains material b；
S3,0.6kg tert-butyl hydroperoxide is added into 200kg material b, it is thin 2 times logical, once vulcanize 2min, a sulphur
Changing temperature is 150 DEG C, post-cure 1min, and post-cure temperature is 195 DEG C, and cooling obtains ageing-resistant capacitor sheath.
Embodiment 3
A kind of ageing-resistant capacitor sheath preparation method, includes the following steps:
S1,16min is stirred at room temperature in 22kg zinc stearate, 25kg oleamide, 60kg vinyl bis-stearamides, heated up
Continue to stir 18min to 145 DEG C, 85kg Cocoamidopropyl betaine is added and stirs evenly, mixing speed 2300r/min,
8kg polysorbate, 1.7kg silane coupling agent are sequentially added under stirring, continues to stir 35min, are cooled to 47 DEG C, grinding
8min, grinding pressure 180kPa obtain material a；
S2,90kg methyl vinyl silicone rubber, 35kg fluorine silicone rubber, 1.5kg material a are kneaded 5min, melting temperature is
95 DEG C, 35kg nano-bentonite, 20kg coconut husk powdered carbon, 2.5kg constitution controller is added and continues to be kneaded 4min, melting temperature is
146 DEG C, vacuum stands 11min, and vacuum degree 0.04kPa obtains material b；
S3,1.6kg tert-butyl hydroperoxide is added into 140kg material b, it is thin 1 time logical, once vulcanize 8min, a sulphur
Changing temperature is 144 DEG C, post-cure 2.5min, and post-cure temperature is 185 DEG C, and cooling obtains ageing-resistant capacitor sheath.
Embodiment 4
A kind of ageing-resistant capacitor sheath preparation method, includes the following steps:
S1,12min is stirred at room temperature in 28kg zinc stearate, 15kg oleamide, 80kg vinyl bis-stearamides, heated up
Continue to stir 12min to 155 DEG C, 95kg Cocoamidopropyl betaine is added and stirs evenly, mixing speed 2100r/min,
12kg polysorbate, 1.3kg silane coupling agent are sequentially added under stirring, are continued to stir 45min, are cooled to 43 DEG C, grind
12min is ground, grinding pressure 140kPa obtains material a；
S2,110kg methyl vinyl silicone rubber, 25kg fluorine silicone rubber, 2.5kg material a are kneaded 3min, melting temperature is
105 DEG C, 25kg nano-bentonite, 30kg coconut husk powdered carbon, 1.5kg constitution controller is added and continues to be kneaded 8min, melting temperature is
144 DEG C, vacuum stands 13min, and vacuum degree 0.03kPa obtains material b；
S3,0.8kg tert-butyl hydroperoxide is added into 180kg material b, it is thin 2 times logical, once vulcanize 4min, a sulphur
Changing temperature is 146 DEG C, post-cure 1.5min, and post-cure temperature is 190 DEG C, and cooling obtains ageing-resistant capacitor sheath.
Embodiment 5
A kind of ageing-resistant capacitor sheath preparation method, includes the following steps:
S1,14min is stirred at room temperature in 25kg zinc stearate, 20kg oleamide, 70kg vinyl bis-stearamides, heated up
Continue to stir 15min to 150 DEG C, 90kg Cocoamidopropyl betaine is added and stirs evenly, mixing speed 2200r/min,
10kg polysorbate, 1.5kg silane coupling agent are sequentially added under stirring, are continued to stir 40min, are cooled to 45 DEG C, grind
10min is ground, grinding pressure 160kPa obtains material a；
S2,100kg methyl vinyl silicone rubber, 30kg fluorine silicone rubber, 2kg material a are kneaded 4min, melting temperature is
100 DEG C, 30kg nano-bentonite, 25kg coconut husk powdered carbon, 2kg constitution controller is added and continues to be kneaded 6min, melting temperature 145
DEG C, vacuum stands 12min, and vacuum degree 0.035kPa obtains material b；
S3,1.2kg tert-butyl hydroperoxide is added into 160kg material b, it is thin 2 times logical, once vulcanize 6min, a sulphur
Changing temperature is 145 DEG C, post-cure 2min, and post-cure temperature is 188 DEG C, and cooling obtains ageing-resistant capacitor sheath.
The 5 ageing-resistant capacitor sheath of gained of embodiment is tested for the property, test result is as follows:
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of ageing-resistant capacitor sheath preparation method, which comprises the steps of:
S1, zinc stearate, oleamide, vinyl bis-stearamides are stirred at room temperature, heating continues to stir, and coconut oleoyl amine is added
Propyl betaine stirs evenly, and polysorbate, silane coupling agent are sequentially added under stirring, continues to stir, cooling, grinding
Obtain material a；
S2, methyl vinyl silicone rubber, fluorine silicone rubber, material a are kneaded, nano-bentonite, coconut husk powdered carbon, structure control is added
Agent continues to be kneaded, and vacuum stands to obtain material b；
S3, tert-butyl hydroperoxide, Bao Tong are added into material b, vulcanization heats up and continues to vulcanize, and cooling obtains ageing-resistant capacitor
Device sheath.
2. ageing-resistant capacitor sheath preparation method according to claim 1, which is characterized in that in S1, zinc stearate, oleic acid
Amide, vinyl bis-stearamides, Cocoamidopropyl betaine, polysorbate, the weight ratio of silane coupling agent are 20-
30:10-30:40-100:80-100:4-16:1-2.
3. ageing-resistant capacitor sheath preparation method according to claim 1 or claim 2, which is characterized in that in S1, by stearic acid
10-18min is stirred at room temperature in zinc, oleamide, vinyl bis-stearamides, is warming up to 140-160 DEG C and continues to stir 10-20min,
Cocoamidopropyl betaine is added to stir evenly, mixing speed 2000-2400r/min, be sequentially added under stirring poly-
Sorbitol ester, silane coupling agent continue to stir 30-50min, are cooled to 40-50 DEG C, grind 5-15min, grinding pressure 120-
200kPa obtains material a.
4. any one of -3 ageing-resistant capacitor sheath preparation method according to claim 1, which is characterized in that in S2, by first
Base vinylsiloxane rubber, fluorine silicone rubber, material a are kneaded 2-6min, and melting temperature is 90-110 DEG C.
5. any one of -4 ageing-resistant capacitor sheath preparation method according to claim 1, which is characterized in that in S2, be added
Nano-bentonite, coconut husk powdered carbon, constitution controller continue to be kneaded 2-10min, and melting temperature is 140-150 DEG C.
6. any one of -5 ageing-resistant capacitor sheath preparation method according to claim 1, which is characterized in that in S2, vacuum
Time of repose is 10-14min, vacuum degree 0.02-0.05kPa.
7. any one of -6 ageing-resistant capacitor sheath preparation method according to claim 1, which is characterized in that in S2, methyl
Vinylsiloxane rubber, fluorine silicone rubber, material a, nano-bentonite, coconut husk powdered carbon, constitution controller weight ratio be 80-120:
20-40:1-3:20-40:15-35:1-3.
8. any one of -7 ageing-resistant capacitor sheath preparation method according to claim 1, which is characterized in that in S3, once
Vulcanization time is 2-10min, and a curing temperature is 140-150 DEG C.
9. any one of -8 ageing-resistant capacitor sheath preparation method according to claim 1, which is characterized in that secondary in S3
Vulcanization time is 1-3min, and post-cure temperature is 180-195 DEG C.
10. any one of -9 ageing-resistant capacitor sheath preparation method according to claim 1, which is characterized in that in S3, material
B, the weight ratio of tert-butyl hydroperoxide is 120-200:0.6-1.8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215058.2A CN109233292A (en) | 2018-10-18 | 2018-10-18 | A kind of ageing-resistant capacitor sheath preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811215058.2A CN109233292A (en) | 2018-10-18 | 2018-10-18 | A kind of ageing-resistant capacitor sheath preparation method |
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|---|---|---|---|---|
| WO2008079898A1 (en) * | 2006-12-20 | 2008-07-03 | Pharmwest, Inc. | Methods and topical formulations comprising colloidal metal for treating or preventing skin conditions |
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2018
- 2018-10-18 CN CN201811215058.2A patent/CN109233292A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008079898A1 (en) * | 2006-12-20 | 2008-07-03 | Pharmwest, Inc. | Methods and topical formulations comprising colloidal metal for treating or preventing skin conditions |
| CN106317896A (en) * | 2015-07-06 | 2017-01-11 | 广东南缆电缆有限公司 | High-polymer composite modified insulated cable electrical material and preparation method thereof |
| CN105602252A (en) * | 2016-03-21 | 2016-05-25 | 安徽五洲特种电缆集团有限公司 | Flame-retardant power cable |
| CN105968811A (en) * | 2016-05-19 | 2016-09-28 | 安徽华源电缆集团有限公司 | Submarine cable sheath material and preparation method thereof |
| CN107739514A (en) * | 2017-10-31 | 2018-02-27 | 定远县保尔工贸有限公司 | A kind of high hard impact resilience rubber material of charger baby shell |
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