CN106519600B - A kind of high performance capacitors plastic shell - Google Patents
A kind of high performance capacitors plastic shell Download PDFInfo
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- CN106519600B CN106519600B CN201610946421.2A CN201610946421A CN106519600B CN 106519600 B CN106519600 B CN 106519600B CN 201610946421 A CN201610946421 A CN 201610946421A CN 106519600 B CN106519600 B CN 106519600B
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- high performance
- auxiliary agent
- plastic
- plastic shell
- fire retardant
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
A kind of high performance capacitors plastic shell of disclosure of the invention, is made, polybutylene terephthalate (PBT), ABS plastic, filler, color masterbatch, dibutyl sebacate, polyamide, lubricant, auxiliary agent of following component；The auxiliary agent is made by weight of following component：Carboxycellulose, sorbitol olein, rosin, calgon, alkali lignin, acrylamide, diatomite, sodium tripolyphosphate, gaultherolin, tea-seed oil, peppermint oil.Plastic capacitor shell prepared by the present invention, good mechanical property, processing performance is good, cost and melt viscosity are low, and impact strength is good with heat aging property, has excellent thermal stability.
Description
Technical field
The present invention relates to capacitor technology field, more particularly to a kind of high performance capacitors plastic shell.
Background technology
Capacitor is one of electronic component largely used in the electronic device, be widely used in blocking, coupling, bypass,
Filtering, resonant tank, energy conversion, control circuit etc..But existing plastic capacitor shell material, to light and heat
Stability is poor, by the influence of long-term electromagnetic radiation, physical mechanical property can be caused also to decline rapidly, and brittleness is larger and anti-impact
Degradation is hit, and existing plastic capacitor shell Flame Retardancy is not high, can not meet the needs of many occasions.
The content of the invention
The object of the present invention is to provide a kind of high performance capacitors plastic shells.
The invention is realized by the following technical scheme：
A kind of high performance capacitors plastic shell, is made by weight of following component：Polybutylene terephthalate
Ester 78-86, ABS plastic 39-42, filler 12-14, color masterbatch 1-3, dibutyl sebacate 3-6, polyamide 10-14, lubricant 3-
5th, auxiliary agent 0.5-0.8, fire retardant 0.2-0.4；The auxiliary agent is made by weight of following component：Carboxycellulose 3-5, mountain
Pears alcohol trioleate 2-6, rosin 8-10, calgon 1-3, alkali lignin 2-4, acrylamide 2-4, diatomite 1-4, trimerization phosphorus
Sour sodium 1-3, gaultherolin 1-4, tea-seed oil 4-6, peppermint oil 0.1-0.3；The fire retardant is by weight by following component
It is made：Bentonite 2, urea 4, triethyl phosphate 1, lauryl sodium sulfate 2, modified starch 4.
Further, the weight ratio of the polybutylene terephthalate (PBT) and ABS plastic is 2:1.
Further, the lubricant is odium stearate, olein presses 2.5:1 mass ratio mixes.
Further, the filler is any one of glass fibre, glass microballoon, mica or multiple combinations.
Further, the preparation method of the auxiliary agent is as follows：
A mixes hydroxymethyl cellulose, diatomite, peppermint oil, is ground 40min, is then mixed with tea-seed oil；
B mixes sorbitol olein, rosin, adds in calgon, is heated to 60-65 DEG C, keeps the temperature 10min, so
Alkali lignin, acrylamide are added afterwards, and 25min is kept the temperature under the conditions of 82-87 DEG C；
C mixes step a products with step b products, adds in remaining residual components, small with the speed stirring 4 of 2500r/min
When to obtain the final product.
Further, the preparation method of the fire retardant is：
1. cornstarch and sodium phosphate are pressed 100:1 mass ratio uniformly after mixing, then carries out slowly heating heating
Processing then pressurizes to starch until final temperature reaches 145 DEG C, and applications pressure is 2.2MPa, after pressurize 10min, will form sediment
Powder presses 3 with pentaerythrite:It after the mixing of 1 mass ratio, is ground, grinding temperature is 85 DEG C, milling time 2h, removes season penta
Tetrol is to get modified starch；
2. bentonite is added in the neopelex solution that mass concentration is 2%, impregnated at 90 DEG C
It after 30min, filters, washs, drying places into 325 DEG C of temperature lower calcination 10min；
3. being stood after urea, triethyl phosphate, lauryl sodium sulfate are uniformly mixed at 50 DEG C, material 1 is obtained；
4. obtain material 2 after modified starch obtained in 1. uniformly mix with the bentonite of 2. middle processing, by material 2 and
Ethyl alcohol presses 2:It after the mixing of 1 mass ratio, is ground, grinding temperature is 40 DEG C, then milling time 10min adds materials
1, continue after grinding 15min, remove ethyl alcohol to get required fire retardant.
The invention has the advantages that compared with prior art：
Plastic capacitor shell prepared by the present invention, good mechanical property, processing performance is good, cost and melt viscosity are low, resists
Impact strength is good with heat aging property, has excellent thermal stability.The auxiliary agent that the present invention prepares, it is only necessary to seldom dosage
It just can substantially play increasing action；The machinery that plastic capacitor shell can not only be enhanced after the auxiliary agent that the addition present invention prepares is strong
Degree also improves the heat distortion temperature, mechanics temperature and electrical insulation capability of plastic capacitor shell to a certain extent；Each ingredient
Preferably obtain by lot of experiments so that the of the invention same polybutylene terephthalate (PBT) of auxiliary agent prepared, ABS plastic
Compatibility is good, improves mixed system institutional framework composition, is mixed more uniformly between each ingredient, and institutional framework is more secured,
It in processing and forming engineering, does not decompose, does not also react with other materials, good weatherability after shaping, stability is high, makes
It is greatly extended with the service life；The fire retardant that the present invention prepares possesses good flame retarding function, it is only necessary to which seldom dosage is just
Fire retardation can substantially be played；The mechanical strength of plastic capacitor shell will not be reduced after the fire retardant that the addition present invention prepares,
Also improve the thermal deformation temperature of plastic capacitor shell to a certain extent by the effect of the coordinated of modified starch and urea
Degree, mechanics temperature and electrical insulation capability；Each ingredient is preferably obtained by lot of experiments so that the fire retardant that the present invention prepares
Same polybutylene terephthalate (PBT), the compatibility of ABS plastic are good, and migration will not occur in plastic capacitor shell, do not analyse
Go out, be not extracted, stability is strong；High-temperature fusion shaping and thermoforming process engineering in, do not decompose, also not with other materials
Material reacts；It is uniformly dispersed, good weatherability, persistence is good, and plastic capacitor shell is made to have long-term anti-flammability.
Specific embodiment
Embodiment 1
Polybutylene terephthalate (PBT) 78, ABS plastic 39, filler 12, color masterbatch 1, dibutyl sebacate 3, polyamide
10th, lubricant 3, auxiliary agent 0.5, fire retardant 0.2；The auxiliary agent is made by weight of following component：Carboxycellulose 3, mountain
Pears alcohol trioleate 2, rosin 8, calgon 1, alkali lignin 2, acrylamide 2, diatomite 1, sodium tripolyphosphate 1, salicylic acid
Methyl esters 1, tea-seed oil 4, peppermint oil 0.1；The fire retardant is made by weight of following component：Bentonite 2, urea 4, phosphoric acid
Triethyl 1, lauryl sodium sulfate 2, modified starch 4.
Embodiment 2
Polybutylene terephthalate (PBT) 86, ABS plastic 42, filler 14, color masterbatch 3, dibutyl sebacate 6, polyamide
14th, lubricant 5, auxiliary agent 0.8, fire retardant 0.4；The auxiliary agent is made by weight of following component：Carboxycellulose 5, mountain
Pears alcohol trioleate 6, rosin 10, calgon 3, alkali lignin 4, acrylamide 4, diatomite 4, sodium tripolyphosphate 3, salicylic acid
Methyl esters 4, tea-seed oil 6, peppermint oil 0.3；The fire retardant is made by weight of following component：Bentonite 2, urea 4, phosphoric acid
Triethyl 1, lauryl sodium sulfate 2, modified starch 4.
Embodiment 3
Polybutylene terephthalate (PBT) 82, ABS plastic 41, filler 13, color masterbatch 2, dibutyl sebacate 4, polyamide
12nd, lubricant 4, auxiliary agent 0.6, fire retardant 0.3；The auxiliary agent is made by weight of following component：Carboxycellulose 4, mountain
Pears alcohol trioleate 4, rosin 9, calgon 2, alkali lignin 3, acrylamide 3, diatomite 2, sodium tripolyphosphate 2, salicylic acid
Methyl esters 3, tea-seed oil 5, peppermint oil 0.2；The fire retardant is made by weight of following component：Bentonite 2, urea 4, phosphoric acid
Triethyl 1, lauryl sodium sulfate 2, modified starch 4.
Pass through the performance of Experimental comparison's plastic capacitor shell：
Table 1
Wherein, comparative example 1 is：The embodiment of the present invention 2 is not added into auxiliary agent, other components unchangeds；
Comparative example 2 is：Fire retardant, other components unchangeds are not added when prepared by auxiliary agent in the embodiment of the present invention 2；
Comparative example 3 is：Acrylamide and calgon are not added when prepared by auxiliary agent in the embodiment of the present invention 2, it is other
Components unchanged.
As can be seen from Table 1, the plastic capacitor shell superior performance for preparing of the present invention, if not adding auxiliary agent and fire-retardant
Agent, various aspects of performance are remarkably decreased, and when not adding acrylamide and calgon in auxiliary agent, various aspects of performance is decreased obviously.
Claims (5)
1. a kind of high performance capacitors plastic shell, which is characterized in that be made by weight of following component：Poly- terephthaldehyde
Sour butanediol ester 78-86, ABS plastic 39-42, filler 12-14, color masterbatch 1-3, dibutyl sebacate 3-6, polyamide 10-14,
Lubricant 3-5, auxiliary agent 0.5-0.8, fire retardant 0.2-0.4；The auxiliary agent is made by weight of following component：Carboxylated fiber
Plain 3-5, sorbitol olein 2-6, rosin 8-10, calgon 1-3, alkali lignin 2-4, acrylamide 2-4, diatomite 1-
4th, sodium tripolyphosphate 1-3, gaultherolin 1-4, tea-seed oil 4-6, peppermint oil 0.1-0.3；The fire retardant by weight by
Following component is made：Bentonite 2, urea 4, triethyl phosphate 1, lauryl sodium sulfate 2, modified starch 4, the fire retardant
Preparation method is：
1. cornstarch and sodium phosphate are pressed 100:1 mass ratio uniformly after mixing, then carries out slowly heating and heats
Until final temperature reaches 145 DEG C, then pressurizes to starch, applications pressure is 2.2MPa, after pressurize 10min, by starch and
Pentaerythrite presses 3:It after the mixing of 1 mass ratio, is ground, grinding temperature is 85 DEG C, milling time 2h, removes Ji Wusi
Alcohol is to get modified starch；
2. bentonite is added in the neopelex solution that mass concentration is 2%, after impregnating 30min at 90 DEG C,
Filtering is washed, and drying places into 325 DEG C of temperature lower calcination 10min；
3. being stood after urea, triethyl phosphate, lauryl sodium sulfate are uniformly mixed at 50 DEG C, material 1 is obtained；
4. material 2 is obtained after modified starch obtained in 1. is uniformly mixed with the bentonite of 2. middle processing, by material 2 and ethyl alcohol
By 2:After the mixing of 1 mass ratio, it is ground, grinding temperature is 40 DEG C, milling time 10min, then adds materials 1, after
After continuous grinding 15min, ethyl alcohol is removed to get required fire retardant.
A kind of 2. high performance capacitors plastic shell according to claim 1, which is characterized in that the poly- terephthaldehyde
The weight ratio of sour butanediol ester and ABS plastic is 2:1.
3. a kind of high performance capacitors plastic shell according to claim 1, which is characterized in that the lubricant is hard
Resin acid sodium, olein press 2.5:1 mass ratio mixes.
4. a kind of high performance capacitors plastic shell according to claim 1, which is characterized in that the filler is glass
Any one of glass fiber, glass microballoon, mica or multiple combinations.
A kind of 5. high performance capacitors plastic shell according to claim 1, which is characterized in that the preparation of the auxiliary agent
Method is as follows：
A mixes hydroxymethyl cellulose, diatomite, peppermint oil, is ground 40min, is then mixed with tea-seed oil；
B mixes sorbitol olein, rosin, adds in calgon, is heated to 60-65 DEG C, keeps the temperature 10min, Ran Houtian
Add alkali lignin, acrylamide, 25min is kept the temperature under the conditions of 82-87 DEG C；
C mixes step a products with step b products, adds in remaining residual components, when small with the speed stirring 4 of 2500r/min
.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946421.2A CN106519600B (en) | 2016-10-26 | 2016-10-26 | A kind of high performance capacitors plastic shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946421.2A CN106519600B (en) | 2016-10-26 | 2016-10-26 | A kind of high performance capacitors plastic shell |
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| Publication Number | Publication Date |
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| CN106519600A CN106519600A (en) | 2017-03-22 |
| CN106519600B true CN106519600B (en) | 2018-06-01 |
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| CN201610946421.2A Active CN106519600B (en) | 2016-10-26 | 2016-10-26 | A kind of high performance capacitors plastic shell |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107325544A (en) * | 2017-08-31 | 2017-11-07 | 安徽智博新材料科技有限公司 | A kind of preparation method and application method of blast protection capacitor insulating materials |
| CN107663363A (en) * | 2017-11-22 | 2018-02-06 | 南通展鹏塑料有限公司 | A kind of matrix composite of ABS PBT polyamide three |
| CN108192269A (en) * | 2017-12-26 | 2018-06-22 | 安徽瑞鑫自动化仪表有限公司 | A kind of preparation method of temperature sensor high toughness plastic shell |
| CN108912576A (en) * | 2018-07-20 | 2018-11-30 | 安徽旭峰电容器有限公司 | A kind of antidetonation heat dissipation capacitor case and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759962A (en) * | 2008-11-21 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Flame-retardant enhancement type PBT/ABS (polybutylene terephthalate/acrylonitrile butadiene styrene) alloy |
| CN102964784A (en) * | 2012-12-04 | 2013-03-13 | 上海日之升新技术发展有限公司 | Environment-friendly and flame-retardant glass fiber reinforced PBT (polybutylene terephthalate)/ABS (acrylonitrile butadiene styrene) alloy material with high CTI (comparative tracking index) value and high GWIT (glow-wire ignition temperature) value and preparation method thereof |
| CN104817811A (en) * | 2014-05-17 | 2015-08-05 | 刘泽华 | Alloy material having heat resistance, flame retardancy and high stability |
| CN105062010A (en) * | 2015-07-21 | 2015-11-18 | 上海婉静纺织科技有限公司 | Flame retardant plastic composite material |
-
2016
- 2016-10-26 CN CN201610946421.2A patent/CN106519600B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759962A (en) * | 2008-11-21 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Flame-retardant enhancement type PBT/ABS (polybutylene terephthalate/acrylonitrile butadiene styrene) alloy |
| CN102964784A (en) * | 2012-12-04 | 2013-03-13 | 上海日之升新技术发展有限公司 | Environment-friendly and flame-retardant glass fiber reinforced PBT (polybutylene terephthalate)/ABS (acrylonitrile butadiene styrene) alloy material with high CTI (comparative tracking index) value and high GWIT (glow-wire ignition temperature) value and preparation method thereof |
| CN104817811A (en) * | 2014-05-17 | 2015-08-05 | 刘泽华 | Alloy material having heat resistance, flame retardancy and high stability |
| CN105062010A (en) * | 2015-07-21 | 2015-11-18 | 上海婉静纺织科技有限公司 | Flame retardant plastic composite material |
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| CN106519600A (en) | 2017-03-22 |
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