CN103604228B - A kind of plastic inner container and preparation method thereof - Google Patents
A kind of plastic inner container and preparation method thereof Download PDFInfo
- Publication number
- CN103604228B CN103604228B CN201310572354.9A CN201310572354A CN103604228B CN 103604228 B CN103604228 B CN 103604228B CN 201310572354 A CN201310572354 A CN 201310572354A CN 103604228 B CN103604228 B CN 103604228B
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- China
- Prior art keywords
- inner container
- plastic inner
- antioxidant
- staving
- mould
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Containers Having Bodies Formed In One Piece (AREA)
- Closures For Containers (AREA)
- Packages (AREA)
Abstract
The invention discloses a kind of plastic inner container, the staving sealed including bottom and the lid being positioned at staving upper end, described staving is embedded with mesh-supported muscle.Present invention also offers a kind of method preparing above-mentioned plastic inner container, comprise the steps: to be placed in thermofusion device polypropylene modified material, hot melt 49 hours at 160 190 DEG C；Mesh-supported muscle is placed in blow moulding machine inner mould location；Polypropylene modified material after hot melt is imported in mould and blows the most in a mold so that mixed material is full of whole die cavity, and the temperature in mould is 180 200 DEG C, and pressure is 3 4MPa, controls 5 15 minutes；It is cooled to product approval, obtains plastic inner container.Plastic inner container of the present invention has the resistance to elevated temperatures of excellence, and has good chemical stability；Inner bag dimensionally stable, deformation rate and shrinkage factor are little；And there is excellent ageing-resistant performance and decay resistance, service life is longer.
Description
Technical field
The present invention relates to solar water heater field, particularly relate to a kind of for solar water heater
Plastic inner container and preparation method thereof.
Background technology
Inner bag is the critical component in solar water heater heat storage water tank, and its performance quality directly affects
The service life of solar water heater product.Existing water heater liner mainly have stainless steel inner container and
Enamel inner container.
Stainless steel inner container manufacturing process is more complicated, it is necessary to through operations such as argon arc welding, end cap electric resistance weldings
Ability machine-shaping, and weld seam just becomes the weakness of stainless steel inner container.Because welding process need through
Crossing high-temperature process, melt solder also cools down in atmosphere, and commissure experienced by again a minor metal and heavily ties
Crystalline substance, is equivalent to carry out rustless steel again heat treatment, and metal structure and the performance of weld seam are sent out
Raw great changes, therefore become the region being easiest to corrosion.Simultaneously as in being used for manufacturing
The rustless steel of gallbladder is the thickest, in the case of using manual welding and electric resistance welding, it may appear that cross weldering feelings
Condition, the place crossing weldering is easiest to corrode, and causes radiator leak.And, its corrosion resistance is also
Poor, the phenomenons such as inner bag fouling, corrosion easily occur, greatly reduces the service life of inner bag.
Enamel inner container, by carrying out enamel plating glaze at thickening surface of steel plate, can bear in a big way
Variations in temperature, generally-60～the range of temperature of+450 DEG C, it may be possible to bear high temperature
Cataclysm.In physical characteristic, resistance to compression, anti-tensile, flexible, electric insulation, pollution-free；Chemical characteristic
On, water vapour acidproof, alkaline-resisting, high temperature resistant, resistance to, various ions its top layer the most impermeable, can
Effectively to ensure that water quality is the most contaminated.But enamel inner container cost is high, processing technique requires height,
Easily producing bubble or pinprick in production process, enamel fragility is relatively big simultaneously, shakes, collides easily
Produce fish-scaling effect.It addition, enamel can gradually dissolve peeling in the hot water, year, long enamel came off meeting
Polluted water corrosion is leaked, the above factor, and the general steel plate under enamel coating all can be caused sudden and violent
Dew, forms corrosion and leaks.
Summary of the invention
For overcoming the deficiencies in the prior art, it is an object of the invention to provide a kind of intensity high,
Corrosion resistance and good, service life length plastic inner container and the preparation method of this inner bag.
According to an aspect of the invention, it is provided a kind of plastic inner container, seal including bottom
Staving and the lid being positioned at staving upper end, described staving is embedded with mesh-supported muscle.
Alternatively, according to the plastic inner container of the present invention, the material of described staving and described lid is
Polypropylene modified material, described brace rod is steel wire.
Alternatively, according to the plastic inner container of the present invention, described lid is provided with locating ring, described
Locating ring on be provided with multiple hole.
Alternatively, according to the plastic inner container of the present invention, the thickness of described plastic inner container is 1-2mm.
Alternatively, according to the plastic inner container of the present invention, the bottom of described staving is provided with support column.
According to a further aspect in the invention, it is provided that a kind of method preparing plastic inner container, including such as
Lower step:
Polypropylene modified material is placed in thermofusion device, hot melt 4-9 hour at 160-190 DEG C；
Mesh-supported muscle is placed in blow moulding machine inner mould location；
Polypropylene modified material after hot melt is imported in mould and blows the most in a mold so that be mixed
Compound material is full of whole die cavity, and the temperature in mould is 180-200 DEG C, and pressure is 3-4MPa, control
5-15 minute processed；
It is cooled to product approval, obtains plastic inner container.
Alternatively, preparation in accordance with the present invention, described cool time is 3-8 minute.
Alternatively, preparation in accordance with the present invention, described polypropylene modified material comprises following weight
The component of amount part: polypropylene 60-70 part, filler 10-15 part, antioxidant 1-2 part, toughener 10-15
Part；Wherein, described filler glass fibre, described antioxidant is antioxidant 1010 or antioxidation
Agent 1076, described toughener is maleic anhydride grafting POE, Maleic anhydride-containg polyethylene or maleic acid
Acid anhydride grafted ABS.
Alternatively, preparation in accordance with the present invention, described polypropylene modified material wraps further
Include the weather resisting agent of 0.5-1 weight portion.
Alternatively, preparation in accordance with the present invention, described weather resisting agent is thiodipropionic acid dilauryl osmanthus
Ester.
Plastic inner container of the present invention has the resistance to elevated temperatures of excellence, it is possible to long more than 100 DEG C
Phase uses, and has good chemical stability；Inner bag dimensionally stable, deformation rate and shrinkage factor are little；
And there is excellent ageing-resistant performance and decay resistance, service life is longer.Prepare in these plastics
The method of gallbladder uses blow molding process disposal molding, and the plastic inner container that production obtains is seamless, no-welding-spot,
Leakproof, good airproof performance, can be prevented effectively from the defect of stainless steel inner container and enamel inner container.
Accompanying drawing explanation
By reading the detailed description of hereafter preferred implementation, various other advantage and benefit pair
Will be clear from understanding in those of ordinary skill in the art.Accompanying drawing is only used for illustrating preferred implementation
Purpose, and be not considered as limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of plastic inner container of the present invention；
Fig. 2 is the structural representation of staving；And
Fig. 3 is the flow chart of plastic inner container preparation method of the present invention.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
According to an aspect of the invention, it is provided a kind of plastics that can be used in solar water heater
Inner bag, the staving sealed including bottom and the lid being positioned at staving upper end, described staving is embedded
There is mesh-supported muscle.
Fig. 1 shows the structural representation of plastic inner container of the present invention and the structural representation of staving.
As depicted in figs. 1 and 2, described plastic inner container includes staving 1 that bottom seals and is positioned at staving 1
The lid 2 of upper end, the thickness of described plastic inner container is traditionally arranged to be 1-2mm.At described staving 1
It is embedded with mesh-supported muscle 3.Described mesh-supported muscle 3 is arranged to cylinder, and the diameter of this cylinder is situated between
Between internal diameter and the external diameter of described staving 1, so that described brace rod can embed described staving
In.Inner bag of the present invention is made of plastics, and thermoplasticity is good, indeformable when being heated, and by moulding
Material inner bag embedded mesh-supported muscle so that the intensity of inner bag is greatly enhanced, and extends the use of inner bag
Life-span.
Preferably, the material of described staving 1 and described lid 2 is polypropylene modified material, institute
State brace rod 3 for steel wire.Polypropylene is the thermoplastic resin being polymerized by propylene monomer, tool
There is excellent impact resistance, chemical proofing, the transparency, thermal insulation, electrical insulating property and add
The outstanding features such as work.But it is because polypropylene is non-polar polymer, dyeability, cementability, anti-quiet
Electrically, hydrophilic and poor with the compatibility of other polar polymers and inorganic filler, homopolymer
Cryogenic property and ageing-resistant performance are the most poor, and molding shrinkage is big, thus limit polypropylene
Develop application further.By chemical method such as copolymerization, grafting, chlorination, chlorosulfonation or crosslinking
Deng the polyacrylic molecular structure of change, or physical method is used such as to be blended, strengthen, fill, add
Enter additive and improve Properties of Polypropylene or give polypropylene with new performance, to expand its application model
Enclose.The present invention uses the polypropylene of modification so that the high temperature resistant creep properties of plastic inner container being made from
Can more preferably, load deformation temperature is high, and has heat preservation and insulation, and inner bag is greatly improved
Heat insulation effect, service life is long.It is understood that described staving 1 and lid 2 can also be by
Such as polyethylene, polypropylene or Other Engineering plastics are made, and described mesh-supported muscle can also be by all
As other metals such as ferrum, copper are made.
In plastic inner container of the present invention, being provided with locating ring 4 on described lid 2, described determines
It is provided with multiple hole 5 on the ring 4 of position, is used for connecting assisted heating device so that plastic inner container can be by
It is firmly secured in water heater.The bottom of described staving 1 is provided with support column 6.
Present invention also offers the preparation method of above-mentioned plastic inner container, Fig. 3 shows of the present invention
The flow chart of the preparation method of plastic inner container.As it is shown on figure 3, this preparation method comprises the steps:
First, start step S1100, polypropylene modified material is placed in thermofusion device and melts, heat
Melting temperatur is 160-190 DEG C, and hot molten time is 4-9 hour；Carry out step S1200 afterwards, by net
Shape brace rod is placed in blow moulding machine inner mould location；Subsequently into step S1300, it is blow molded into
Type, i.e. will be melted in the polypropylene modified material importing mould of liquid condition the most in a mold
Blow so that material is full of whole die cavity, and in this operating process, the temperature in mould remains
180-200 DEG C, pressure is 3-4MPa, and the blowing time controls 5-15 minute；Finally carry out S1400
Step, is cooled to product approval by the inner bag of blow molding, obtains plastic inner container；Preferably, institute
Stating cool time is 3-8 minute.This preparation method uses blow molding process disposal molding, produces
The plastic inner container arrived is seamless, no-welding-spot, and leakproof, good airproof performance can be prevented effectively from stainless steel inner container
Defect with enamel inner container.
In preparation method of the present invention, described polypropylene modified material can be in prior art
Material modified through occur.In one embodiment of the present of invention, described polypropylene modified material comprises
The component of following weight portion: polypropylene 60-70 part, filler 10-15 part, antioxidant 1-2 part, increase
Tough dose of 10-15 part.In above-mentioned raw materials, the filler used is glass fibre, the antioxidation of employing
Agent is antioxidant 1010 or antioxidant 1076, and the toughener of use is maleic anhydride grafting
POE, Maleic anhydride-containg polyethylene or maleic anhydride grafted ABS.
Glass fibre is the Inorganic Non-metallic Materials of a kind of excellence, and good insulating, thermostability are strong, anti-
Corrosivity is good, and mechanical strength is high, can be used for manufacturing reinforced plastics or strengthening rubber as reinforcing material
Glue.Antioxidant 1010 or antioxidant 1076 are common antioxidant, at acrylic resin
Middle application is more, is the auxiliary agent that heat stability is high, be very suitable under hot conditions use, can prolong
The service life of long goods.Maleic anhydride grafting POE(ethylene and the thermoplasticity of octene in-situ polymerization
Elastomer), Maleic anhydride-containg polyethylene (styrene butadiene thermoplasticelastomer) or maleic acid
Acid anhydride grafted ABS (acrylonitrile-butadiene-styrene copolymer) is for plastics particularly engineering
The significant toughener of effect on plastics, add toughener can reduce polypropylene plastics hardening after crisp
Property, improve its impact strength and elongation percentage.By adding above-mentioned three kinds of property-modifying additives, can make
Modified strength of PP is improved, and has non-oxidizability and the impact resistance of excellence simultaneously.
Except above-mentioned three kinds of property-modifying additives, described polypropylene modified material has farther included
The weather resisting agent of 0.5-1 weight portion.In one embodiment of the present of invention, described weather resisting agent is that sulfur is for dipropyl
Acid dilauryl.Dilauryl thiodipropionate has the effect of peroxynitrite decomposition compound, can be as poly-
The auxiliary antioxidant of ethylene, polypropylene, ABS resin, polrvinyl chloride etc., and have and do not pollute, no
Undec feature when coloring, high temperature process, uses it for polypropylene modification, it is ensured that prepared
Plastic inner container aging speed slows down, and improves its service life.
It is environment-friendly materials by the material used by above-mentioned preparation method, nontoxic, for abnormal flavour, according to GB
/ T17219-1998(Drinking Water transmission & distribution wetting system and the safety evaluatio standard of protective material)
Standard-required, has carried out wholesomeness detection to prepared plastic inner container, and testing result shows,
Color, turbidity, smelly and taste, naked eyes visible, pH, total dissolved solid, oxygen consumption, arsenic,
The item indexs such as cadmium, lead, chromium (sexavalence), hydrargyrum, chloroform, volatile phenol all meet above-mentioned mark
The accurate hygienic requirements to drinking water transmission & distribution wetting system.
Meanwhile, prepared plastic inner container has been carried out hot air aging experiment, low temperature resistant experiment and resistance to
Color is tested, and specific experiment result is as shown in table 1 below.
Table 1
By table 1 result it can be seen that described plastic inner container has the resistance to elevated temperatures of excellence, it is possible to
Life-time service more than 100 DEG C, has good chemical stability；Inner bag dimensionally stable, deformation rate
Little with shrinkage factor；And there is excellent ageing-resistant performance, service life is longer.
It should be noted that above-described embodiment the present invention will be described rather than carries out the present invention
Limit, and those skilled in the art can set without departing from the scope of the appended claims
Count out alternative embodiment.In the claims, any reference marks between bracket should not will be located in
It is configured to limitations on claims.Word " comprises " not exclude the presence of and does not arranges in the claims
Element or operation.Word first, second and third use do not indicate that any order.Can be by
These word explanations are title.
Claims (6)
1. a plastic inner container, it is characterised in that: include staving (1) that bottom seals and be positioned at
The lid (2) of staving (1) upper end, described staving (1) is embedded with mesh-supported muscle (3)；Institute
The thickness stating plastic inner container is 1-2mm；The bottom of described staving (1) is provided with support column (6)；
The material of described staving (1) and described lid (2) is polypropylene modified material, described support
Muscle (3) is steel wire；Described polypropylene modified material comprises the component of following weight portion: polypropylene
60-70 part, filler 10-15 part, antioxidant 1-2 part, toughener 10-15 part；Wherein, institute
Stating filler is glass fibre, and described antioxidant is antioxidant 1010 or antioxidant 1076, institute
Stating toughener is maleic anhydride grafting POE, Maleic anhydride-containg polyethylene or maleic anhydride grafted ABS；
The preparation method of described plastic inner container is as follows:
Polypropylene modified material is placed in thermofusion device, hot melt 4-9 hour at 160-190 DEG C；
Mesh-supported muscle is placed in blow moulding machine inner mould location；
Polypropylene modified material after hot melt is imported in mould and blows the most in a mold so that thing
Material is full of whole die cavity, and the temperature in mould is 180-200 DEG C, and pressure is 3-4MPa, controls 5-15
Minute；
It is cooled to product approval, obtains plastic inner container.
Plastic inner container the most according to claim 1, it is characterised in that: on described lid (2)
It is provided with locating ring (4), described locating ring (4) is provided with multiple hole (5).
3. the method preparing plastic inner container, comprises the steps:
Polypropylene modified material is placed in thermofusion device, hot melt 4-9 hour at 160-190 DEG C；Institute
State polypropylene modified material and comprise the component of following weight portion: polypropylene 60-70 part, filler 10-15
Part, antioxidant 1-2 part, toughener 10-15 part；Wherein, described filler is glass fibre, institute
Stating antioxidant is antioxidant 1010 or antioxidant 1076, and described toughener is that maleic anhydride connects
Branch POE, Maleic anhydride-containg polyethylene or maleic anhydride grafted ABS；
Mesh-supported muscle is placed in blow moulding machine inner mould location；
Polypropylene modified material after hot melt is imported in mould and blows the most in a mold so that thing
Material is full of whole die cavity, and the temperature in mould is 180-200 DEG C, and pressure is 3-4MPa, controls 5-15
Minute；
It is cooled to product approval, obtains plastic inner container.
Preparation method the most according to claim 3, it is characterised in that: the duration of described cooling
For 3-8 minute.
Preparation method the most according to claim 4, it is characterised in that: described polypropylene modification
Material farther includes the weather resisting agent of 0.5-1 weight portion.
Preparation method the most according to claim 5, it is characterised in that: described weather resisting agent is sulfur
For dipropionic acid dilauryl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572354.9A CN103604228B (en) | 2013-11-15 | 2013-11-15 | A kind of plastic inner container and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572354.9A CN103604228B (en) | 2013-11-15 | 2013-11-15 | A kind of plastic inner container and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103604228A CN103604228A (en) | 2014-02-26 |
| CN103604228B true CN103604228B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310572354.9A Expired - Fee Related CN103604228B (en) | 2013-11-15 | 2013-11-15 | A kind of plastic inner container and preparation method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662379B (en) * | 2018-06-28 | 2022-02-18 | 华为机器有限公司 | Shell of terminal |
| CN113733459B (en) * | 2021-09-08 | 2023-03-17 | 亚普汽车部件股份有限公司 | Method for forming plastic liner of high-pressure composite container |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288139A (en) * | 1999-09-11 | 2001-03-21 | 郭伟 | Solar energy vacuum tube water heater water tank, its processing technology and material used |
| CN1995856A (en) * | 2006-12-30 | 2007-07-11 | 武汉大学 | Plastic water heater lining and method for manufacturing same |
| WO2008095876A1 (en) * | 2007-02-06 | 2008-08-14 | Sferasol S.R.L. | Improved spherical solar collector |
| CN201672731U (en) * | 2010-05-14 | 2010-12-15 | 张国良 | Inner container of solar water heater |
| CN102898723A (en) * | 2011-07-28 | 2013-01-30 | 合肥杰事杰新材料股份有限公司 | Polypropylene composition and preparation method thereof |
| CN103256733A (en) * | 2013-04-15 | 2013-08-21 | 青岛百旺电器有限公司 | Pressure-bearing type plastic liner, production method and solar water heater using liner |
| CN203837304U (en) * | 2013-11-15 | 2014-09-17 | 尉氏县永胜塑料制品有限公司 | Plastic inner container |
-
2013
- 2013-11-15 CN CN201310572354.9A patent/CN103604228B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288139A (en) * | 1999-09-11 | 2001-03-21 | 郭伟 | Solar energy vacuum tube water heater water tank, its processing technology and material used |
| CN1995856A (en) * | 2006-12-30 | 2007-07-11 | 武汉大学 | Plastic water heater lining and method for manufacturing same |
| WO2008095876A1 (en) * | 2007-02-06 | 2008-08-14 | Sferasol S.R.L. | Improved spherical solar collector |
| CN201672731U (en) * | 2010-05-14 | 2010-12-15 | 张国良 | Inner container of solar water heater |
| CN102898723A (en) * | 2011-07-28 | 2013-01-30 | 合肥杰事杰新材料股份有限公司 | Polypropylene composition and preparation method thereof |
| CN103256733A (en) * | 2013-04-15 | 2013-08-21 | 青岛百旺电器有限公司 | Pressure-bearing type plastic liner, production method and solar water heater using liner |
| CN203837304U (en) * | 2013-11-15 | 2014-09-17 | 尉氏县永胜塑料制品有限公司 | Plastic inner container |
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| Publication number | Publication date |
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| CN103604228A (en) | 2014-02-26 |
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