CN109294152A - A kind of high strength heat resistant lead-acid battery plastic housing and preparation method thereof - Google Patents
A kind of high strength heat resistant lead-acid battery plastic housing and preparation method thereof Download PDFInfo
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- CN109294152A CN109294152A CN201811031600.9A CN201811031600A CN109294152A CN 109294152 A CN109294152 A CN 109294152A CN 201811031600 A CN201811031600 A CN 201811031600A CN 109294152 A CN109294152 A CN 109294152A
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
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Abstract
The present invention relates to lead-acid battery manufacturing fields more particularly to a kind of high strength heat resistant lead-acid battery plastic housing and preparation method thereof.Solve in the prior art that lead-acid storage battery outer case intensity is lower, can not cope with biggish impact force, at the same its can not high temperature resistant, the problem of being easy to happen softening at high temperature, lead to deformation.The battery plastic case includes following components in parts by weight: 100 parts of ABS resin, 10 ~ 25 parts of surface treated glass fibre, 18 ~ 30 parts of organic-silicon-modified sepiolite, 10 ~ 20 parts of dimethicone, 1 ~ 5 part of zinc stearate and 0.5 ~ 3 part of antioxidant.The invention has the following advantages: (1) has good mechanical property, plastic housing intensity is high；(2) plastic housing arrived through the invention has good heat-resistant fireproof performance；(3) preparation process is simple, low in cost.
Description
Technical field
The present invention relates to lead-acid battery manufacturing field more particularly to a kind of high strength heat resistant lead-acid battery plastic housings and its preparation
Method.
Background technique
Lead-acid accumulator has been invented from Frenchman Pulan spy in 1859, has had more than 100 years history so far.Because its
Cheap, raw material are easily obtained, and using above there is sufficient reliability, are suitable for heavy-current discharge and extensive environment temperature
The advantages that range, lead-acid accumulator have overwhelming superiority always in electrochmical power source from after invention.Lead-acid accumulator is resonable at present
By research aspect, significant progress is all obtained in terms of product category and kind, product, has whether been handed over
Still in navigation, each economic field of aviation, lead-acid accumulator all plays indispensable important for logical, communication, electric power, military affairs
Effect.
Lead-acid battery is mainly by tubular positive plate, negative plate, electrolyte, partition, battery case, battery cover, pole, fill cap
Deng composition.Lead-acid battery have in use often there are many requirement, such as need to avoid direct sunlight, far from heat
Source avoids being hit.But under summer or certain specific conditions, lead-acid battery generally requires work under the high temperature conditions
Make, this often causes threat to its life security for user.
Meanwhile lead-acid battery often releases a large amount of heat in charge and discharge process, thus often will appear plumbic acid electricity
The accident of pond catching fire during the charging process, has seriously endangered the life security of user.Therefore, the heat-insulated resistance of lead-acid battery
Combustion performance is particularly important.
Such as a kind of a kind of special-purpose anti-flaming ABS material for lead-acid storage battery outer case disclosed in Chinese patent literature, it awards
Weigh notification number CN101235184B, master is to solve the poor problem of ABS resin flame retardant property, but its mechanical property according to
It is not so able to satisfy routine use requirement, is being that often will appear the problem of plastic housing ruptures, and ABS resin is at high temperature by impact
It is easy softening, this can not be solved the problems, such as by not being available it.
Summary of the invention
The present invention be it is lower in order to solve lead-acid storage battery outer case intensity in the prior art, biggish impact can not be coped with
Power, at the same its can not high temperature resistant, be easy to happen softening at high temperature, cause deformation the problem of, providing one kind can effectively add
Strong lead-acid storage battery outer case intensity, makes it possess good shock resistance, while softening transform will not occur at high temperature
Kind high strength heat resistant lead-acid battery plastic housing and preparation method thereof.
To achieve the above object, the invention adopts the following technical scheme:
A kind of high strength heat resistant lead-acid battery plastic housing, the battery plastic case includes following components in parts by weight: ABS tree
100 parts of rouge, 10~25 parts of surface treated glass fibre, 18~30 parts of organic-silicon-modified sepiolite, dimethicone 10
~20 parts, 1~5 part of zinc stearate and 0.5~3 part of antioxidant.
Preferably, the battery plastic case includes following components in parts by weight: 100 parts of ABS resin, by table
10~18 parts of 18~25 parts of 15~25 parts of glass fibre, organic-silicon-modified sepiolite, dimethicone, the zinc stearate of surface treatment
1~3 part and 0.5~2 part of antioxidant.
Preferably, the battery plastic case includes following components in parts by weight: 100 parts of ABS resin, by table
2 parts of 15 parts of 21 parts of 20 parts of glass fibre, organic-silicon-modified sepiolite, dimethicone, the zinc stearate and antioxygen of surface treatment
1 part of agent.
Basis material in the present invention is ABS resin, can effectively be improved by adding glass fibre in ABS resin
Its toughness, glass fibre is by surface treatment, so as to effectively increase the compatibility between basis material, to make it
The two can be combined preferably.
Sepiolite is a kind of hydrous magnesium silicate of threadiness, and can see them under an electron microscope is by countless thin
Silk, which is got together, lines up sheet, and there is maximum specific surface area in nonmetallic mineral (to reach as high as 900m2/ g) and it is unique interior
Hold cellular structure.Thus being added to its in ABS as reinforcing agent can closely be combined with ABS resin, thus effectively
Improve the mechanical property of resin.Meanwhile sepiolite has splendid high temperature resistance, it can also be effective as high temperature resistant filler
Raising ABS high temperature resistance, even if making by the ABS resin of sepiolite reinforcement in combination with its reinforcing effect 110
Will not occur the problem of softening transform at a high temperature of DEG C.It is organic-silicon-modified by passing it through, can effectively improve its with
Compatibility between ABS resin substrate ensure that effectively improving for its reinforcement and high temperature resistance.
Glass fibre is combined with both sepiolite both inorganic fillers, additionally it is possible to so that whole ABS resin is fire-retardant
Performance has great promotion, ensure that the flame retardant property of final battery plastic case.
Preferably, the glass fibre, by surface treatment, processing step is as follows: glass fibre is placed in glass
In corrosive liquid, after corroding 30~120 seconds at 30~45 DEG C, is cleaned with clear water, obtain the glass fibre by surface corrosion, then
It is impregnated in silane coupling agent ethanol solution 10~30 minutes, then takes out and solidify 2~4 hours at 60~80 DEG C, obtain
Surface treated glass fibre obtains the surface treated glass fibre that length is 1~5 millimeter by shearing.
Glass fibre in the present invention passes through the short time corrosion of glass erosion liquid first, and its object is to make glass fibers
Surface Creation etch pit is tieed up, effectively increases its surface area, so that its binding force between ABS resin increases greatly
Add.It is surface-treated using silane coupling agent simultaneously, increases its compatibility between ABS resin.
Preferably, the glass corrosion formula of liquid is as follows: 1000 parts of distilled water, 0.5~5 part of boric acid, humic acid 3~
10 parts, 0.25~1.5 part of sodium fluoride and 2~6 parts of polyvinyl alcohol.
The effective component in corrosive liquid in the present invention is sodium fluoride, has certain corruption to the silica in glass
Erosion effect makes it have certain resiliency by addition boric acid and humic acid.
Preferably, the silane coupling agent is one of KH-550, KH560, KH-570 or KH-580, with
The mass ratio of ethyl alcohol is 1:20.
Preferably, the organic-silicon-modified sepiolite the preparation method is as follows:
(2.1) sepiolite surface active: weighing 50 parts of sepiolite in parts by weight, is then ground to grain by ball milling
Diameter is steaming after 5~10 μm of powder, the then maleic anhydride of 3~5 parts of addition and 50 parts of ethyl alcohol, back flow reaction 1~4 hour
Dry solvent obtains the sepiolite of surface active；
(2.2) prepared by organosilicon preformed polymer: weighing 20 parts of tetraethoxysilane, phenyltrimethoxysila,e in parts by weight
5~10 parts, 10~20 parts of vinyl dimethoxysilane, 50 parts of 50% ethyl alcohol and 1~3 part of 5mol/L hydrochloric acid, 50~60 DEG C
Under be stirred to react 3~4 hours after obtain organosilicon preformed polymer；
(2.3) sepiolite of surface active obtained in step (2.1) organic-silicon-modified sepiolite: is added to step (2.2)
In organosilicon preformed polymer in, continue after being stirred to react 0.5~3 hour, vacuum distillation remove small-molecule substance after, obtain bulk
Organic-silicon-modified sepiolite after being crushed to 300~800 mesh, obtains powdered organic-silicon-modified sepiolite.
Sepiolite in the present invention since its compatibility between inorganic salt compound, with organic compound is poor, because
This needs to carry out surface active to it before use, its surface grafting of the sepiolite after maleic anhydride activates has organic group
Group, so that the compatibility between organic compound greatly promotes.Then it by itself and organic siliconresin prepolymer phase reaction, obtains
Inside is sepiolite, and outside is the organic-silicon-modified sepiolite of organic siliconresin, so that the compatibility between ABS resin is big
Big to be promoted, reinforcement ability is further promoted.Simultaneously as organo-silicon compound have good high-low temperature resistant and anti-flammability
Can, it is combined with the sepiolite of same fire resistant flame retardant, can further improve the high temperature resistant and resistance of whole ABS plastic housing
Fire performance.
Preferably, the antioxidant is antioxidant BHT, antioxidant 1010, irgasfos 168 or antioxidant
1076。
A kind of preparation process of foregoing high strength heat resistant lead-acid battery plastic housing, the preparation process includes following
Step:
(a) ingredient；Each raw material for standby is weighed according to formula；
(b) mixing: by ABS resin, surface treated glass fibre, organic-silicon-modified sepiolite, dimethicone, tristearin
Acid and antioxidant are added sequentially in reaction kettle, 1000~1200rpm high-speed stirred 30~60 minutes at 100~115 DEG C
Uniformly mixed material is obtained afterwards；
(c) be granulated: by uniformly mixed material extruding pelletization, the extruder technological temperature is followed successively by from feeding section to die head
200 DEG C, 205 DEG C, 215 DEG C, 230 DEG C, 225 DEG C, 220 DEG C and 220 DEG C；
(d) it is injection moulded: plastic grain obtained in step (c) being injection moulded to obtain lead-acid battery plastic housing.
Preferably, the injection temperature is 225~250 DEG C, mold temperature is 55~80 DEG C, injection pressure 600
~800bar.
Therefore, the invention has the following advantages: (1) has good mechanical property, plastic housing intensity is high；(2) pass through
The plastic housing arrived of the invention has good heat-resistant fireproof performance；(3) preparation process is simple, low in cost.
Specific embodiment
If saying that the raw material of use is raw material commonly used in the art without specified otherwise, in the embodiment of the present invention, implement
Method employed in example, is the conventional method of this field.
Embodiment 1
A kind of high strength heat resistant lead-acid battery plastic housing, the battery plastic case includes following components in parts by weight: ABS tree
100 parts of rouge, 10 parts of surface treated glass fibre, 18 parts of organic-silicon-modified sepiolite, 10 parts of dimethicone, stearic acid
1 part of zinc and 0.5 part of antioxidant BHT.
For the glass fibre by surface treatment, processing step is as follows: glass fibre is placed in glass erosion liquid,
It after corroding 30 seconds at 30 DEG C, is cleaned with clear water, obtains the glass fibre by surface corrosion, wherein the glass erosion liquid is matched
Side is as follows: 1000 parts of distilled water, 0.5 part of boric acid, 3 parts of humic acid, 0.25 part of sodium fluoride and 2 parts of polyvinyl alcohol；By surface
The glass fiber impregnated KH-550 of corrosion and the mass ratio of ethyl alcohol are 1:20 mixed solution 10~30 minutes, are then taken out at 60 DEG C
Lower solidification 2 hours, obtains surface treated glass fibre；Surface treated glass fibre is grown by shearing
The surface treated glass fibre that degree is 1 millimeter.
The organic-silicon-modified sepiolite the preparation method is as follows:
(2.1) sepiolite surface active: weighing 50 parts of sepiolite in parts by weight, is then ground to grain by ball milling
Diameter is 5 μm of powder, be then added 3 parts maleic anhydride and 50 parts of ethyl alcohol, back flow reaction 1 hour after, solvent evaporated obtains
The sepiolite of surface active；
(2.2) prepared by organosilicon preformed polymer: weighing 20 parts of tetraethoxysilane, phenyltrimethoxysila,e in parts by weight
5 parts, 10 parts of vinyl dimethoxysilane, 50 parts of 50% ethyl alcohol and 1 part of 5mol/L hydrochloric acid are stirred to react 3 hours at 50 DEG C
After obtain organosilicon preformed polymer；
(2.3) sepiolite of surface active obtained in step (2.1) organic-silicon-modified sepiolite: is added to step (2.2)
In organosilicon preformed polymer in, continue after being stirred to react 0.5 hour, vacuum distillation remove small-molecule substance after, obtaining bulk has
Machine Si modification sepiolite after being crushed to 300 mesh, obtains powdered organic-silicon-modified sepiolite.
The preparation process of the high strength heat resistant lead-acid battery plastic housing before a kind of, the preparation process includes following step
It is rapid:
(a) ingredient；Each raw material for standby is weighed according to formula；
(b) mixing: by ABS resin, surface treated glass fibre, organic-silicon-modified sepiolite, dimethicone, tristearin
Acid and antioxidant are added sequentially in reaction kettle, and 1000rpm high-speed stirred obtains uniformly mixed after 30 minutes at 100 DEG C
Material；
(c) be granulated: uniformly mixed material be placed in extruding pelletization in double screw extruder, the extruder technological temperature from
Feeding section is followed successively by 200 DEG C, 205 DEG C, 215 DEG C, 230 DEG C, 225 DEG C, 220 DEG C and 220 DEG C to die head；
(d) it is injection moulded: plastic grain obtained in step (c) is placed in injector, injection temperature is 225 DEG C, mold temperature
Degree is 55 DEG C, injection pressure 600bar, and injection moulding obtains lead-acid battery plastic housing.
Embodiment 2
A kind of high strength heat resistant lead-acid battery plastic housing, the battery plastic case includes following components in parts by weight: ABS tree
100 parts of rouge, 25 parts of surface treated glass fibre, 30 parts of organic-silicon-modified sepiolite, 20 parts of dimethicone, stearic acid
5 parts of zinc and 3 parts of antioxidant 1010.
For the glass fibre by surface treatment, processing step is as follows: glass fibre is placed in glass erosion liquid,
It after corroding 120 seconds at 45 DEG C, is cleaned with clear water, obtains the glass fibre by surface corrosion, wherein the glass erosion liquid
It is formulated as follows: 1000 parts of distilled water, 5 parts of boric acid, 10 parts of humic acid, 1.5 parts of sodium fluoride and 6 parts of polyvinyl alcohol；By surface
The glass fiber impregnated KH560 of corrosion and the mass ratio of ethyl alcohol are 1:20 mixed solution 30 minutes, are then taken out solid at 80 DEG C
Change 4 hours, obtains surface treated glass fibre；Surface treated glass fibre, which is obtained length by shearing, is
5 millimeters of surface treated glass fibre.
The organic-silicon-modified sepiolite the preparation method is as follows:
(2.1) sepiolite surface active: weighing 50 parts of sepiolite in parts by weight, is then ground to grain by ball milling
Diameter is 10 μm of powder, be then added 5 parts maleic anhydride and 50 parts of ethyl alcohol, back flow reaction 4 hours after, solvent evaporated obtains
The sepiolite of surface active；
(2.2) prepared by organosilicon preformed polymer: weighing 20 parts of tetraethoxysilane, phenyltrimethoxysila,e in parts by weight
10 parts, 20 parts of vinyl dimethoxysilane, 50 parts of 50% ethyl alcohol and 3 parts of 5mol/L hydrochloric acid are stirred to react 4 hours at 60 DEG C
After obtain organosilicon preformed polymer；
(2.3) sepiolite of surface active obtained in step (2.1) organic-silicon-modified sepiolite: is added to step (2.2)
In organosilicon preformed polymer in, continue after being stirred to react 3 hours, after vacuum distillation removes small-molecule substance, obtain blocky organic
Si modification sepiolite after being crushed to 800 mesh, obtains powdered organic-silicon-modified sepiolite.
The preparation process of the high strength heat resistant lead-acid battery plastic housing before a kind of, the preparation process includes following step
It is rapid:
(a) ingredient；Each raw material for standby is weighed according to formula；
(b) mixing: by ABS resin, surface treated glass fibre, organic-silicon-modified sepiolite, dimethicone, tristearin
Acid and antioxidant are added sequentially in reaction kettle, and 1200rpm high-speed stirred obtains uniformly mixed after sixty minutes at 115 DEG C
Material；
(c) be granulated: uniformly mixed material be placed in extruding pelletization in double screw extruder, the extruder technological temperature from
Feeding section is followed successively by 200 DEG C, 205 DEG C, 215 DEG C, 230 DEG C, 225 DEG C, 220 DEG C and 220 DEG C to die head；
(d) it is injection moulded: plastic grain obtained in step (c) is placed in injector, injection temperature is 250 DEG C, mold temperature
Degree is 80 DEG C, injection pressure 800bar, and injection moulding obtains lead-acid battery plastic housing.
Embodiment 3
A kind of high strength heat resistant lead-acid battery plastic housing, the battery plastic case includes following components in parts by weight: ABS tree
100 parts of rouge, 15 parts of surface treated glass fibre, 18 parts of organic-silicon-modified sepiolite, 10 parts of dimethicone, stearic acid
1 part of zinc and 0.5 part of irgasfos 168.
For the glass fibre by surface treatment, processing step is as follows: glass fibre is placed in glass erosion liquid,
It after corroding 60 seconds at 45 DEG C, is cleaned with clear water, obtains the glass fibre by surface corrosion, wherein the glass erosion liquid is matched
Side is as follows: 1000 parts of distilled water, 2 parts of boric acid, 5 parts of humic acid, 1 part of sodium fluoride and 5 parts of polyvinyl alcohol；By surface corrosion
Glass fiber impregnated KH-570 and the mass ratio of ethyl alcohol are 1:20 mixed solution 15 minutes, and it is small to then take out the solidification 3 at 75 DEG C
When, obtain surface treated glass fibre；It is 3 millimeters that surface treated glass fibre, which is obtained length by shearing,
Surface treated glass fibre.
The organic-silicon-modified sepiolite the preparation method is as follows:
(2.1) sepiolite surface active: weighing 50 parts of sepiolite in parts by weight, is then ground to grain by ball milling
Diameter is 8 μm of powder, be then added 4 parts maleic anhydride and 50 parts of ethyl alcohol, back flow reaction 3 hours after, solvent evaporated obtains
The sepiolite of surface active；
(2.2) prepared by organosilicon preformed polymer: weighing 20 parts of tetraethoxysilane, phenyltrimethoxysila,e in parts by weight
It is small to be stirred to react 3.5 at 55 DEG C for 8 parts, 15 parts of vinyl dimethoxysilane, 50 parts of 50% ethyl alcohol and 2 parts of 5mol/L hydrochloric acid
When after obtain organosilicon preformed polymer；
(2.3) sepiolite of surface active obtained in step (2.1) organic-silicon-modified sepiolite: is added to step (2.2)
In organosilicon preformed polymer in, continue after being stirred to react 2 hours, after vacuum distillation removes small-molecule substance, obtain blocky organic
Si modification sepiolite after being crushed to 500 mesh, obtains powdered organic-silicon-modified sepiolite.
The preparation process of the high strength heat resistant lead-acid battery plastic housing before a kind of, the preparation process includes following step
It is rapid:
(a) ingredient；Each raw material for standby is weighed according to formula；
(b) mixing: by ABS resin, surface treated glass fibre, organic-silicon-modified sepiolite, dimethicone, tristearin
Acid and antioxidant are added sequentially in reaction kettle, and 1100rpm high-speed stirred obtains uniformly mixed after 45 minutes at 105 DEG C
Material；
(c) be granulated: uniformly mixed material be placed in extruding pelletization in double screw extruder, the extruder technological temperature from
Feeding section is followed successively by 200 DEG C, 205 DEG C, 215 DEG C, 230 DEG C, 225 DEG C, 220 DEG C and 220 DEG C to die head；
(d) it is injection moulded: plastic grain obtained in step (c) is placed in injector, injection temperature is 230 DEG C, mold temperature
Degree is 60 DEG C, injection pressure 750bar, and injection moulding obtains lead-acid battery plastic housing.
Embodiment 4
A kind of high strength heat resistant lead-acid battery plastic housing, the battery plastic case includes following components in parts by weight: ABS tree
100 parts of rouge, 20 parts of surface treated glass fibre, 20 parts of organic-silicon-modified sepiolite, 15 parts of dimethicone, stearic acid
1.5 parts of zinc and 1 part of antioxidant 1076.
For the glass fibre by surface treatment, processing step is as follows: glass fibre is placed in glass erosion liquid,
It after corroding 80 seconds at 40 DEG C, is cleaned with clear water, obtains the glass fibre by surface corrosion, wherein the glass erosion liquid is matched
Side is as follows: 1000 parts of distilled water, 3.5 parts of boric acid, 8 parts of humic acid, 1.2 parts of sodium fluoride and 4 parts of polyvinyl alcohol；By surface corruption
The glass fiber impregnated KH-580 of erosion and the mass ratio of ethyl alcohol are 1:20 mixed solution 25 minutes, then take out and solidify at 75 DEG C
3 hours, obtain surface treated glass fibre；It is 3 that surface treated glass fibre, which is obtained length by shearing,
The surface treated glass fibre of millimeter.
The organic-silicon-modified sepiolite the preparation method is as follows:
(2.1) sepiolite surface active: weighing 50 parts of sepiolite in parts by weight, is then ground to grain by ball milling
Diameter is 8 μm of powder, be then added 3.5 parts maleic anhydride and 50 parts of ethyl alcohol, back flow reaction 2 hours after, solvent evaporated obtains
To the sepiolite of surface active；
(2.2) prepared by organosilicon preformed polymer: weighing 20 parts of tetraethoxysilane, phenyltrimethoxysila,e in parts by weight
7 parts, 18 parts of vinyl dimethoxysilane, 50 parts of 50% ethyl alcohol and 3 parts of 5mol/L hydrochloric acid are stirred to react 3 hours at 55 DEG C
After obtain organosilicon preformed polymer；
(2.3) sepiolite of surface active obtained in step (2.1) organic-silicon-modified sepiolite: is added to step (2.2)
In organosilicon preformed polymer in, continue after being stirred to react 2 hours, after vacuum distillation removes small-molecule substance, obtain blocky organic
Si modification sepiolite after being crushed to 600 mesh, obtains powdered organic-silicon-modified sepiolite.
The preparation process of the high strength heat resistant lead-acid battery plastic housing before a kind of, the preparation process includes following step
It is rapid:
(a) ingredient；Each raw material for standby is weighed according to formula；
(b) mixing: by ABS resin, surface treated glass fibre, organic-silicon-modified sepiolite, dimethicone, tristearin
Acid and antioxidant are added sequentially in reaction kettle, and 1100rpm high-speed stirred obtains uniformly mixed after 45 minutes at 105 DEG C
Material；
(c) be granulated: uniformly mixed material be placed in extruding pelletization in double screw extruder, the extruder technological temperature from
Feeding section is followed successively by 200 DEG C, 205 DEG C, 215 DEG C, 230 DEG C, 225 DEG C, 220 DEG C and 220 DEG C to die head；
(d) it is injection moulded: plastic grain obtained in step (c) is placed in injector, injection temperature is 240 DEG C, mold temperature
Degree is 75 DEG C, injection pressure 750bar, and injection moulding obtains lead-acid battery plastic housing.
Embodiment 5
A kind of high strength heat resistant lead-acid battery plastic housing, the battery plastic case includes following components in parts by weight: ABS tree
100 parts of rouge, 20 parts of surface treated glass fibre, 21 parts of organic-silicon-modified sepiolite, 15 parts of dimethicone, stearic acid
2 parts of zinc and 1 part of irgasfos 168.
For the glass fibre by surface treatment, processing step is as follows: glass fibre is placed in glass erosion liquid,
It after corroding 30 seconds at 45 DEG C, is cleaned with clear water, obtains the glass fibre by surface corrosion, wherein the glass erosion liquid is matched
Side is as follows: 1000 parts of distilled water, 3 parts of boric acid, 8 parts of humic acid, 1.5 parts of sodium fluoride and 4 parts of polyvinyl alcohol；By surface corrosion
Glass fiber impregnated KH-570 and ethyl alcohol mass ratio be 1:20 mixed solution 25 minutes, then take out and solidify 3 at 70 DEG C
Hour, obtain surface treated glass fibre；It is 2 millis that surface treated glass fibre, which is obtained length by shearing,
The surface treated glass fibre of rice.
The organic-silicon-modified sepiolite the preparation method is as follows:
(2.1) sepiolite surface active: weighing 50 parts of sepiolite in parts by weight, is then ground to grain by ball milling
Diameter is 8 μm of powder, be then added 4 parts maleic anhydride and 50 parts of ethyl alcohol, back flow reaction 1 hour after, solvent evaporated obtains
The sepiolite of surface active；
(2.2) prepared by organosilicon preformed polymer: weighing 20 parts of tetraethoxysilane, phenyltrimethoxysila,e in parts by weight
8 parts, 12 parts of vinyl dimethoxysilane, 50 parts of 50% ethyl alcohol and 2 parts of 5mol/L hydrochloric acid are stirred to react 3 hours at 55 DEG C
After obtain organosilicon preformed polymer；
(2.3) sepiolite of surface active obtained in step (2.1) organic-silicon-modified sepiolite: is added to step (2.2)
In organosilicon preformed polymer in, continue after being stirred to react 2 hours, after vacuum distillation removes small-molecule substance, obtain blocky organic
Si modification sepiolite after being crushed to 500 mesh, obtains powdered organic-silicon-modified sepiolite.
The preparation process of the high strength heat resistant lead-acid battery plastic housing before a kind of, the preparation process includes following step
It is rapid:
(a) ingredient；Each raw material for standby is weighed according to formula；
(b) mixing: by ABS resin, surface treated glass fibre, organic-silicon-modified sepiolite, dimethicone, tristearin
Acid and antioxidant are added sequentially in reaction kettle, and 1150rpm high-speed stirred obtains uniformly mixed after 45 minutes at 110 DEG C
Material；
(c) be granulated: uniformly mixed material be placed in extruding pelletization in double screw extruder, the extruder technological temperature from
Feeding section is followed successively by 200 DEG C, 205 DEG C, 215 DEG C, 230 DEG C, 225 DEG C, 220 DEG C and 220 DEG C to die head；
(d) it is injection moulded: plastic grain obtained in step (c) is placed in injector, injection temperature is 250 DEG C, mold temperature
Degree is 55 DEG C, injection pressure 800bar, and injection moulding obtains lead-acid battery plastic housing.
Lead-acid battery plastic housing obtained in Examples 1 to 5 is tested, wherein comparative example is commercially available battery plastic case,
Test result is as follows table:
As shown above, compared to commercially available plastic housing, indices greatly promote the battery plastic case in the present invention, have good
Mechanical property and heat-proof combustion-resistant performance.
Claims (10)
1. a kind of high strength heat resistant lead-acid battery plastic housing, which is characterized in that the battery plastic case includes in parts by weight
Following components: 100 parts of ABS resin, 10 ~ 25 parts of surface treated glass fibre, 18 ~ 30 parts of organic-silicon-modified sepiolite,
10 ~ 20 parts of dimethicone, 1 ~ 5 part of zinc stearate and 0.5 ~ 3 part of antioxidant.
2. a kind of high strength heat resistant lead-acid battery plastic housing according to claim 1, which is characterized in that the battery plastic case
It in parts by weight include following components: 100 parts of ABS resin, 15 ~ 25 parts of surface treated glass fibre, organosilicon
18 ~ 25 parts of modified meerschaum, 10 ~ 18 parts of dimethicone, 1 ~ 3 part of zinc stearate and 0.5 ~ 2 part of antioxidant.
3. a kind of high strength heat resistant lead-acid battery plastic housing according to claim 1, which is characterized in that the battery plastic case
It in parts by weight include following components: 100 parts of ABS resin, 20 parts of surface treated glass fibre, organic-silicon-modified
21 parts of sepiolite, 15 parts of dimethicone, 2 parts of zinc stearate and 1 part of antioxidant.
4. a kind of high strength heat resistant lead-acid battery plastic housing according to claim 1 or 2 or 3, which is characterized in that the glass
For glass fiber by surface treatment, processing step is as follows: glass fibre is placed in glass erosion liquid, corrode 30 at 30 ~ 45 DEG C ~
After 120 seconds, is cleaned with clear water, obtain the glass fibre by surface corrosion, it is molten to be then impregnated in silane coupling agent ethyl alcohol
Liquid 10 ~ 30 minutes, then take out and solidify 2 ~ 4 hours at 60 ~ 80 DEG C, shearing obtain length be 1 ~ 5 millimeter by surface at
The glass fibre of reason.
5. a kind of high strength heat resistant lead-acid battery plastic housing according to claim 4, which is characterized in that the glass corrosion
Formula of liquid is as follows: 1000 parts of distilled water, 0.5 ~ 5 part of boric acid, 3 ~ 10 parts of humic acid, 0.25 ~ 1.5 part of sodium fluoride and polyvinyl alcohol
2 ~ 6 parts.
6. a kind of high strength heat resistant lead-acid battery plastic housing according to claim 4, which is characterized in that described is silane coupled
Agent is one of KH-550, KH560, KH-570 or KH-580, and the mass ratio with ethyl alcohol is 1:20.
7. a kind of high strength heat resistant lead-acid battery plastic housing according to claim 1 or 2 or 3, which is characterized in that described has
Machine Si modification sepiolite the preparation method is as follows:
(2.1) sepiolite surface active: weighing 50 parts of sepiolite in parts by weight, is then ground to grain by ball milling
Diameter is 5 ~ 10 μm of powder, be then added 3 ~ 5 parts maleic anhydride and 50 parts of ethyl alcohol, back flow reaction 1 ~ 4 hour after, be evaporated molten
Agent obtains the sepiolite of surface active；
(2.2) prepared by organosilicon preformed polymer: weighing 20 parts of tetraethoxysilane, phenyltrimethoxysila,e in parts by weight
5 ~ 10 parts, 10 ~ 20 parts of vinyl dimethoxysilane, 50 parts of 50% ethyl alcohol and 1 ~ 3 part of 5mol/L hydrochloric acid stir at 50 ~ 60 DEG C
Reaction obtained organosilicon preformed polymer after 3 ~ 4 hours；
(2.3) sepiolite of surface active obtained in step (2.1) organic-silicon-modified sepiolite: is added to step (2.2)
In organosilicon preformed polymer in, continue after being stirred to react 0.5 ~ 3 hour, vacuum distillation remove small-molecule substance after, obtain bulk
Organic-silicon-modified sepiolite after being crushed to 300 ~ 800 mesh, obtains powdered organic-silicon-modified sepiolite.
8. a kind of high strength heat resistant lead-acid battery plastic housing according to claim 1 or 2 or 3, which is characterized in that described is anti-
Oxidant is antioxidant BHT, antioxidant 1010, irgasfos 168 or antioxidant 1076.
9. a kind of preparation process of the high strength heat resistant lead-acid battery plastic housing as described in claim 1 ~ 8, which is characterized in that institute
The preparation process that states the following steps are included:
(a) ingredient；Each raw material for standby is weighed according to formula；
(b) mixing: by ABS resin, surface treated glass fibre, organic-silicon-modified sepiolite, dimethicone, tristearin
Acid and antioxidant are added sequentially in reaction kettle, and 1000 ~ 1200 rpm high-speed stirreds 30 at 100 ~ 115 DEG C ~ after sixty minutes
Obtain uniformly mixed material；
(c) be granulated: by uniformly mixed material extruding pelletization, the extruder technological temperature is followed successively by from feeding section to die head
200 DEG C, 205 DEG C, 215 DEG C, 230 DEG C, 225 DEG C, 220 DEG C and 220 DEG C；
(d) it is injection moulded: plastic grain obtained in step (c) being injection moulded to obtain lead-acid battery plastic housing.
10. a kind of high strength heat resistant lead-acid battery plastic housing according to claim 9, which is characterized in that the injection temperature
Degree is 225 ~ 250 DEG C, and mold temperature is 55 ~ 80 DEG C, and injection pressure is 600 ~ 800bar.
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