CN105175907A - Thermal conductive plastic alloy, radiator based on alloy and preparation method - Google Patents
Thermal conductive plastic alloy, radiator based on alloy and preparation method Download PDFInfo
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- CN105175907A CN105175907A CN201510453919.0A CN201510453919A CN105175907A CN 105175907 A CN105175907 A CN 105175907A CN 201510453919 A CN201510453919 A CN 201510453919A CN 105175907 A CN105175907 A CN 105175907A
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- radiator
- scatterer
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/065—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing plate-like or laminated conduits
- F28F21/066—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing plate-like or laminated conduits for domestic or space-heating systems
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
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Abstract
The invention discloses a thermal conductive plastic alloy used for a radiator, a radiator and a preparation method. The thermal conductive plastic alloy comprises polybutene or polyisobutene, polyethylene, graphite powder, carbon fiber, thermal conductive carbon black, a thermal conductive reinforcing agent, a titanate coupling agent and stearic acid. The thermal conductive plastic alloy is subjected to granulation, then pipe drawing and injection molding are carried out, an inner water channel pipe and a connecting piece of an radiator are prepared, the inner water channel pipe is expanded into an inner hole of an aluminum wing pipe of the radiator to obtain a radiator column material or sheet material, the column material or the sheet material and the connecting piece are subjected to sweat soldering to prepare a radiator single sheet, and finally the radiator single sheets are subjected to sweat soldering to compose a radiator. The thermal conductive plastic alloy and the radiator are advantaged by good environmental protection and excellent heat radiation performance, are stable and durable, and have protruding characteristics of no fouling, no rusting, no corrosion, no cracking, no pollution, no deformation, no abnormal sound and no aging.
Description
Technical field
The present invention relates to a kind of conducting alloy material and a kind of scatterer, particularly relate to a kind of heat-conducting plastic alloy and mould aluminium composite heating radiator and preparation method thereof based on this kind of alloy.
Background technology
China's hot-summer and cold-winter area is wide, living space reaches more than 30 hundred million square metres, especially south is moist sombre for winter, along with the fast development of Chinese national economy, heating to mould aluminium composite heating radiator increasing market large, more and more higher to the requirement of material, aluminium composite heating radiator is moulded according to what now push away, source is the nearest product of patent No. ZL201010001190. this product has one and develops by leaps and bounds on the basis of composite copper aluminium radiator, not only reduce production cost and logistics cost, and energy-saving and cost-reducing, non-scaling, non-corrosive, do not corrode aspect and have good performance., also there is many defects and deficiency: 1, its heat conduction direction of thermally conductive material graphite used be Y (by its molecular structure cause vertical with heat dissipation direction); 2, the major ingredient of internal layer water channel is atactic copolymerized polypropene or non-cross-linked polyvinyl plastics, and thermal conductivity own is 0.2W/(m
2k), unsatisfactory; 3, the inner channel of scatterer is single water channel, and area of dissipation is limited, causes that heat radiation is comparatively slow, heat dissipation capacity is large not; 4, the atactic copolymerized polypropene in the heat-conducting plastic alloy material adopted or non-cross-linked polyvinyl and graphite mainly lean on coupling agent composite crosslinking, very desirable coupling agent is not also had according to existing plastics compounding technology, again according to the age inhibiting existing situation of oxidation inhibitor, thus affect the work-ing life of product, be badly in need of improving or improving.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, there is provided a kind of heat dispersion excellent, stable and long-lived heat-conducting plastic alloy, scatterer and preparation method thereof based on this kind of alloy, this scatterer have non-scaling, non-corrosive, not burn into better do not ftracture, do not pollute, not type become, not abnormal sound, non-ageing feature.
Heat-conducting plastic alloy of the present invention can adopt following two schemes to realize.
Scheme one
For the heat-conducting plastic alloy of scatterer, with parts by weight, comprise polybutene 70 ~ 110 parts, polyethylene 3 ~ 5 parts, granularity is the Graphite Powder 99 70 ~ 100 parts of 7 μm and/or 18 μm, 8 ~ 10 parts, carbon fiber, heat conduction carbon black 10 ~ 15 parts, enhanced thermal conduction agent 3 ~ 5 parts, titanate coupling agent 2 ~ 5 parts, stearic acid 0.5 ~ 1 part.
Scheme two
For the heat-conducting plastic alloy of scatterer, it is characterized in that, with parts by weight, comprise polyisobutene 70 ~ 100 parts, polyethylene 3 ~ 5 parts, granularity is the Graphite Powder 99 70 ~ 90 parts of 7 μm and/or 18 μm, 8 ~ 9 parts, carbon fiber, heat conduction carbon black 8 ~ 12 parts, enhanced thermal conduction agent 2 ~ 4 parts, titanate coupling agent 2 ~ 3 parts, stearic acid 0.5 ~ 1 part.
In above-mentioned two kinds of technical schemes:
Polybutene (PolybutenePB) and polyisobutene (Polyisobutylene, PIB, similar to polybutene character) are all polymer inert polymers, because the physical and chemical performance of its excellence is described as " gold in plastics ", come across the earliest at the beginning of 70 generations.There is excellent mechanicalness, environmental stress crack resistance, creep resistant, thermotolerance, chemical resistance, tasteless, odorless, nontoxic, be one of most advanced in the world at present chemical material.
Graphite (graphite) matter is soft, in black gray expandable; There is greasy feeling, can paper be polluted.Hardness is 1 ~ 2, and its hardness of increase vertically with impurity can increase to 3 ~ 5.Proportion is 1.9 ~ 2.3.Under starvation condition, its fusing point, more than 3000 DEG C, is one of mineral of most heatproof, preferred crystalline flake graphite kind or model in the present invention, and the flotability of this graphite, oilness, plasticity-are all superior than other types graphite; Therefore its industrial value is maximum.More preferably, described Graphite Powder 99 can adopt conductive graphite sheet (Thermalconductivityofgraphitepiece), and it is a kind of brand-new thermally conductive material, along longitudinal and transverse axle both direction uniform heat conduction.Conductive graphite sheet also claims graphite heat radiation fin, has 300-1500W/ (m in conductive graphite plate plane
2k) the super-high heat-conductive performance in scope, the carbon that the chemical composition of heat conductivity graphite material is mainly single is a kind of native element metal mineral.Because carbon is non-metallic element, but but there are conduction, the heat conductivility of metallic substance, also there is the plasticity-as organic plastics, and also have special thermal characteristics, chemically stable.
Described heat conduction carbon black, along longitudinal and transverse axle both direction uniform heat conduction, preferably can adopt heat superconducting carbon black, F900A or the F900B type that the heat superconducting carbon black that the present invention adopts selects Tianjin hundred million Bo Rui Chemical Co., Ltd. to produce by strongthener better.
Carbon fiber (carbonfiber, CF) has the various premium propertiess of elemental carbon, as little in proportion, thermotolerance is fabulous, thermal expansivity is little, thermal conductivity is large, erosion resistance and electroconductibility good etc.Meanwhile, it has again the flexibility as fiber, can carry out braiding processing and Wrapping formed.The most excellent performance of carbon fiber is that specific tenacity and specific modulus exceed general fortifying fibre, the specific tenacity of the matrix material of it and resin formation and specific modulus than steel and aluminium alloy also high about 3 times.
Described enhanced thermal conduction agent can adopt aluminum oxide (Aluminaoxide), especially nano aluminium oxide, and its particle diameter is at nano level, and thermal conductivity is 32.31W/ (m
2k).
Described titanate coupling agent (titanatecouplingagent) is a kind of coupling agent developed by Ken Liqi petroleum chemistry company of the U.S. in the later stage seventies.For thermal plastic polymer and dry filler, there is good coupling effect; Titanate coupling agent 101 model of fine quality is selected in the present invention.
The invention still further relates to a kind of scatterer, its internal layer water channel adopts any one heat-conducting plastic alloy material in above-mentioned two schemes to make.
Preparation method's step of scatterer is as follows: heat-conducting plastic alloy is implemented after granulation internal layer water pipe and web member that scatterer is made in trombone slide and injection moulding, first by swollen for internal layer water pipe enter radiator aluminum canalis pterygoideus endoporus in obtain scatterer post material or sheet material, then post material or sheet material and web member thermofussion welding are connected into radiator single-chip; Then, sweating soldering composition scatterer between radiator single-chip.
The beneficial effect that the present invention has is:
(1) durable in use, the feature of environmental protection is good, material of the present invention due to its molecular weight very high, molecular structure stabilized, freeze proof good heat resistance, under the temperature condition of subzero 20 DEG C, have good low-temperature impact resistance, tubing can not bursting by freezing.After thawing, tubing can recover former state; When 82 DEG C, the performance of each side still keeps very well.
Find scatterer of the present invention 1. 5000 cycle cold and hot water loop tests after tested.Super satisfied 5000 cycle cold and hot water loop test technical requirementss far away: under test pressure 1.0MPa, replace once, continue 5000 cycles, sample crack-free, ne-leakage between 95 DEG C and 20 DEG C every 30 minutes.2. thermally-stabilised test in 10000 hours: in scatterer outer air temperature and scatterer, steam homo(io)thermism is in 110 DEG C, adds 1.0MPa constant water pressure in scatterer, continues 10000 hours, product ne-leakage.
(2) thermal property is good, and detect through Tsing-Hua University, in product of the present invention, model is SLZS0.1/06-78-08-75/0600-1 monolithic standard heat-emission 143.7W, and material hot strength reaches 2.8W(kgk), belong to light-duty, material-saving, energy-conserving product.
(3) the internal layer water channel inwall of the present invention's acquisition is more smooth, and non-scaling, water resistance is little.Form water channel larger, compare, can increase discharge 15% with general aluminium-plastic pipe, watering cycle is stablized, and energy-conservation, thermal lag is good, and when intermittence is stopped warm, scatterer continuity heating duration is long.
(4) compound is tight, and heat radiation is stable.The coefficient of expansion of polyblend water channel is larger than the coefficient of expansion of aluminium radiator fin, ensure that its compound degree of combining closely, thus makes heat dispersion steady in a long-term, not easily decays, and does not take off bone, has no abnormal sound.
(5) easy for installation, lightweight.In the present invention, polyblend PB pipeline weight is 1/20 of galvanized steel pipe, is easy to carrying; Radiator integral can suspension type design and installation to wall, facilitate attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the preparation flow figure of scatterer.
Fig. 2 is the model implication explanation of the scatterer that the present invention obtains.
Embodiment
Embodiment 1
For the heat-conducting plastic alloy of scatterer, with parts by weight, comprise polyisobutene 70 parts, polyethylene 5 parts, granularity is the Graphite Powder 99 totally 70 parts of 7 μm and 18 μm, 9 parts, carbon fiber, heat conduction carbon black 12 parts, enhanced thermal conduction agent alumina in Nano level 2 parts, titanate coupling agent 101 model 2 parts, stearic acid 0.5 part.
Described Graphite Powder 99 is conductive graphite sheet.
The preparation flow of scatterer is: heat-conducting plastic alloy is implemented after granulation internal layer water pipe and web member that scatterer is made in trombone slide and injection moulding, first by swollen for internal layer water pipe enter radiator aluminum canalis pterygoideus endoporus in obtain scatterer post material or sheet material, then post material or sheet material and web member thermofussion welding are connected into radiator single-chip; Then, sweating soldering composition scatterer between radiator single-chip.
As shown in Figure 1, detailed process is: the first, by the heating raw materials banburying of formula in sealed rubber mixing machine; The second, the raw material of banburying is put into dual-screw pelletizer granulation and makes; 3rd, carry out by particulate material water channel pipe and the water channel connecting tube that scatterer is produced in trombone slide (special tube drawing bench) and injection moulding (multiple stage injection moulding machine) respectively respectively; 4th, post (sheet) material of scatterer will be made in swollen for pipeline aluminium canalis pterygoideus (the aluminium alloy extrusions customization) endoporus entering to customize, 5th, post (sheet) material and web member are connected into monolithic by thermofussion welding, again by monolithic sweating soldering in groups, sweating soldering can make material macromolecular chain reconfigure, in conjunction with firm, safe and reliable; 6th, then give work in-process enforcement spraying, packaging, obtain scatterer, warehouse-in.
Embodiment 2
For the heat-conducting plastic alloy of scatterer, with parts by weight, comprise polybutene 110 parts, polyethylene 3 parts, granularity is the Graphite Powder 99 100 parts of 7 μm, 8 parts, carbon fiber, F900A type heat conduction carbon black 15 parts, enhanced thermal conduction agent alumina in Nano level 3 parts, titanate coupling agent 5 parts, stearic acid 0.5 part.
Described Graphite Powder 99 is conductive graphite sheet.
Heat-conducting plastic alloy is implemented after granulation internal layer water pipe and web member that scatterer is made in trombone slide and injection moulding, first by swollen for internal layer water pipe enter radiator aluminum canalis pterygoideus endoporus in obtain scatterer post material or sheet material, then post material or sheet material and web member thermofussion welding are connected into radiator single-chip; Then, sweating soldering composition scatterer between radiator single-chip.
Embodiment 3
For the heat-conducting plastic alloy of scatterer, it is characterized in that, with parts by weight, comprise polyisobutene 100 parts, polyethylene 3 parts, granularity is the Graphite Powder 99 90 parts of 7 μm, 8 parts, carbon fiber, F900B type heat conduction carbon black 8 parts, enhanced thermal conduction agent alumina in Nano level 4 parts, titanate coupling agent 3 parts, stearic acid 1 part.
Described Graphite Powder 99 is conductive graphite sheet.
Heat-conducting plastic alloy is implemented after granulation internal layer water pipe and web member that scatterer is made in trombone slide and injection moulding, first by swollen for internal layer water pipe enter radiator aluminum canalis pterygoideus endoporus in obtain scatterer post material or sheet material, then post material or sheet material and web member thermofussion welding are connected into radiator single-chip; Then, sweating soldering composition scatterer between radiator single-chip.
Embodiment 4
For the heat-conducting plastic alloy of scatterer, with parts by weight, comprise polybutene 70 parts, polyethylene 5 parts, granularity is the Graphite Powder 99 70 parts of 18 μm, 10 parts, carbon fiber, heat conduction carbon black 10 parts, enhanced thermal conduction agent alumina in Nano level 5 parts, titanate coupling agent 101 model 2 parts, stearic acid 1 part.
Described Graphite Powder 99 is conductive graphite sheet.
Heat-conducting plastic alloy is implemented after granulation internal layer water pipe and web member that scatterer is made in trombone slide and injection moulding, first by swollen for internal layer water pipe enter radiator aluminum canalis pterygoideus endoporus in obtain scatterer post material or sheet material, then post material or sheet material and web member thermofussion welding are connected into radiator single-chip; Then, sweating soldering composition scatterer between radiator single-chip.
The scatterer product that the present invention obtains, the heat dispersion of different model is as shown in table 1, table 2 and table 3, and wherein model implication as shown in Figure 2.
Claims (8)
1. the heat-conducting plastic alloy for scatterer, it is characterized in that, with parts by weight, comprise polybutene 70 ~ 110 parts, polyethylene 3 ~ 5 parts, granularity is the Graphite Powder 99 70 ~ 100 parts of 7 μm and/or 18 μm, 8 ~ 10 parts, carbon fiber, heat conduction carbon black 10 ~ 15 parts, enhanced thermal conduction agent 3 ~ 5 parts, titanate coupling agent 2 ~ 5 parts, stearic acid 0.5 ~ 1 part.
2. the heat-conducting plastic alloy for scatterer, it is characterized in that, with parts by weight, comprise polyisobutene 70 ~ 100 parts, polyethylene 3 ~ 5 parts, granularity is the Graphite Powder 99 70 ~ 90 parts of 7 μm and/or 18 μm, 8 ~ 9 parts, carbon fiber, heat conduction carbon black 8 ~ 12 parts, enhanced thermal conduction agent 2 ~ 4 parts, titanate coupling agent 2 ~ 3 parts, stearic acid 0.5 ~ 1 part.
3. heat-conducting plastic alloy according to claim 1 and 2, is characterized in that: described Graphite Powder 99 adopts conductive graphite sheet.
4. heat-conducting plastic alloy according to claim 1 and 2, is characterized in that, described heat conduction carbon black employing model is the heat superconducting carbon black of F900A type or F900B type.
5. heat-conducting plastic alloy according to claim 1 and 2, is characterized in that, described titanate coupling agent adopts titanate coupling agent 101 model.
6. heat-conducting plastic alloy according to claim 1 and 2, is characterized in that, described enhanced thermal conduction agent adopts aluminum oxide, and its particle diameter is nano level.
7. a scatterer, its internal layer water channel adopts heat-conducting plastic alloy material as claimed in claim 1 or 2 to make.
8. the preparation method of scatterer as claimed in claim 7, it is characterized in that, step is as follows: heat-conducting plastic alloy is implemented after granulation internal layer water pipe and web member that scatterer is made in trombone slide and injection moulding, first by swollen for internal layer water pipe enter radiator aluminum canalis pterygoideus endoporus in obtain scatterer post material or sheet material, again post material or sheet material and web member thermofussion welding are connected into radiator single-chip, finally by sweating soldering composition scatterer between radiator single-chip.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105754185A (en) * | 2016-04-06 | 2016-07-13 | 苏州甫众塑胶有限公司 | Heat-conducting enhanced type heat-resistant polyethylene pipeline material and preparation method thereof |
| CN106589547A (en) * | 2016-12-15 | 2017-04-26 | 武汉金牛经济发展有限公司 | PE-RT (polyethylene of raised temperature resistance) floor heating pipe and production method and application thereof |
| CN107337830A (en) * | 2017-06-12 | 2017-11-10 | 季文广 | A kind of high heat conduction floor heating pipe material and preparation method thereof |
| CN110198989A (en) * | 2017-04-26 | 2019-09-03 | 积水技术成型株式会社 | Resin molded body |
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| CN202868845U (en) * | 2012-10-19 | 2013-04-10 | 吴志祥 | Novel composite radiator |
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| US6338898B1 (en) * | 1997-06-04 | 2002-01-15 | Furakawa Electric Co., Inc. | Heat-conductive rubber composition material and heat-conductive rubber sheet |
| CN1310199A (en) * | 2000-02-17 | 2001-08-29 | 三井化学株式会社 | Poly-1-butylene resin composition and pipe containing the same composition |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105754185A (en) * | 2016-04-06 | 2016-07-13 | 苏州甫众塑胶有限公司 | Heat-conducting enhanced type heat-resistant polyethylene pipeline material and preparation method thereof |
| CN106589547A (en) * | 2016-12-15 | 2017-04-26 | 武汉金牛经济发展有限公司 | PE-RT (polyethylene of raised temperature resistance) floor heating pipe and production method and application thereof |
| CN110198989A (en) * | 2017-04-26 | 2019-09-03 | 积水技术成型株式会社 | Resin molded body |
| CN107337830A (en) * | 2017-06-12 | 2017-11-10 | 季文广 | A kind of high heat conduction floor heating pipe material and preparation method thereof |
| CN115386155A (en) * | 2017-06-12 | 2022-11-25 | 季文广 | High-thermal-conductivity floor heating pipe material and preparation method thereof |
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