CN106467667B - A kind of dedicated Heat conduction nylon composite material of injection grade LED light and preparation method thereof - Google Patents
A kind of dedicated Heat conduction nylon composite material of injection grade LED light and preparation method thereof Download PDFInfo
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- CN106467667B CN106467667B CN201610838480.8A CN201610838480A CN106467667B CN 106467667 B CN106467667 B CN 106467667B CN 201610838480 A CN201610838480 A CN 201610838480A CN 106467667 B CN106467667 B CN 106467667B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Abstract
The invention discloses a kind of dedicated Heat conduction nylon composite materials of injection grade LED light and preparation method thereof, this method is by 5-50 parts of attapulgite/magnesium oxide composite materials, 5-10 parts of dispersing agents, 0.5-5 parts of dispersion aids, 0-3 parts of other auxiliary agents, 75-85 parts of matrix PA6 carry out twin-screw extrusion, it is granulated, obtains a kind of dedicated Heat conduction nylon composite material of injection grade LED light.This composite material has the excellent capacity of heat transmission, and specific thermal coefficient reaches 1.0-1.8 W/MK between plate, and the thermally conductive fast coefficient in plate reaches 10-18 W/MK.
Description
Technical field
The present invention relates to be a kind of dedicated Heat conduction nylon composite material of injection grade LED light and preparation method thereof.
Background technique
The heat that LED illumination product in use generates light source export in time, otherwise the temperature raising of LED junction will affect
The light efficiency and service life of lamps and lanterns, for the junction temperature of LED when being more than the highest critical-temperature that device can bear, the light of LED is defeated
Characteristic permanent will decay out.Currently, the cooling system of LED illumination product mainly uses aluminium as heat conducting base material, still
Aluminium there are heavier mass, security performance is low and processing technology is complicated the problems such as, gradually substituted by heat-conducting plastic, LED illumination
Product using heat-conducting plastic compared with traditional aluminium, have light weight, environmental protection and safety, design freedom it is high, it is easy to process, open
Dynamic system is more simplified, reduces the advantages that system cost.But the current heat-conducting plastic capacity of heat transmission is weaker, conductive filler material
Surface need handle or modify, operation is more troublesome, and heat filling additive amount is more, and there are complex process, cost increase
The problems such as.
Summary of the invention
In view of background technique, the technical problem to be solved in the present invention is to provide a kind of heating conductions
Good, easy to process and low production cost dedicated Heat conduction nylon composite material of injection grade LED light and preparation method thereof.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that realize: this kind of injection grade LED light
Dedicated Heat conduction nylon composite material, which is characterized in that the material is made of following weight of material proportion:
Attapulgite/magnesia: 5-50 parts；
Dispersing agent: 5-10 parts；
Dispersion aids: 0.5-5 parts；
Other auxiliary agents: 0-3 parts；
PA6:75-85 parts.
Attapulgite/the magnesia is the rodlike composite material of 1-dimention nano, wherein the attapulgite and magnesia
Weight ratio is 7:3-8:2.
The dispersing agent is the one or two kinds of of EBS, epoxidized soybean oil, polyether polyol or epoxy resin.
The dispersion aids is nano silica or nano-hollow glass microballoon.
Other described auxiliary agents are one of antioxidant, lubricant or processing aid or a variety of.
The processing aid further includes having ultraviolet absorbing agent, crystallization nucleating agent and release agent.
The PA6 is nylon 6.
The preparation method of the dedicated Heat conduction nylon composite material of injection grade LED light, procedure of processing are as follows:
1) PA6 is 3.5-4.5 hours dry in 115-125 DEG C of vacuum drying oven；
2) then by raw material according to attapulgite/magnesia: 5-50 parts, dispersing agent: 5-10 parts, dispersion aids: 0.5-5
Part, other auxiliary agents: 0-3 parts, PA6:75-85 parts of progress ingredients；
3) raw material physical mixed is squeezed out and is granulated with double screw extruder after mixing, and the Screw Extrusion temperature is
230℃-260℃。
The present invention selects attapulgite/magnesia bridge joint easy to form, and thermal coefficient is higher and thermal conducting path easy to form,
Using micron or nanoscale dispersion aids, there is very big reference area, nano-filled material can be allowed to be gathered in dispersing agent
Surface forms bridge joint, forms highly effective heat conduction network in intrinsic silicon, the usage amount of Heat Conduction Material is reduced, so that thermally conductive
Ability is further promoted, and thermal coefficient reaches 1.0-1.8 W/MK between plate, and the thermally conductive fast coefficient in plate reaches 10-
18 W/MK have excellent thermal conductivity ability；It does not need to handle or modify using attapulgite clay compounded filler simultaneously, preparation
Method is simple, and production cost is low, has good using effect.
Specific embodiment
The present invention will be further explained with reference to the examples below.
The skilled practitioner makes the present invention according to foregoing invention content non-in technique or on formula
Essential modifications and adaptations, still fall within protection scope of the present invention.
Embodiment 1
A kind of dedicated Heat conduction nylon composite material of injection grade LED light prepares component ratio:
20.0 parts of attapulgite/magnesia, dispersing agent uses 5.0 parts of Japanese Kao EBS, and dispersion aids uses gas phase two
1.0 parts of silica, other auxiliary agents use average grain diameter for 1.0 parts of nano silica of 600nm, and PA6 uses Huajian nylon
73.0 parts.
PA6 is dried in vacuo 4 hours at 120 DEG C first, then raw material carries out physical mixed by the above proportion, then with double
Screw Extrusion is simultaneously granulated, and 255 DEG C of processing temperature, revolving speed 250r/min.
Embodiment 2
A kind of dedicated Heat conduction nylon composite material of injection grade LED light prepares component ratio:
25.0 parts of attapulgite/magnesia, dispersing agent uses 5.0 parts of Japanese Kao EBS, and dispersion aids uses gas phase two
1.0 parts of silica, other auxiliary agents use average grain diameter for 1.0 parts of nano silica of 600nm, and PA6 uses Huajian nylon
68.0 parts.
PA6 is dried in vacuo 4 hours at 120 DEG C first, then raw material carries out physical mixed by the above proportion, then with double
Screw Extrusion is simultaneously granulated, and 255 DEG C of processing temperature, revolving speed 250r/min.
Embodiment 3
A kind of dedicated Heat conduction nylon composite material of injection grade LED light prepares component ratio:
30.0 parts of attapulgite/magnesia, dispersing agent uses 5.0 parts of Japanese Kao EBS, and dispersion aids uses gas phase two
1.0 parts of silica, other auxiliary agents use average grain diameter for 1.0 parts of nano silica of 600nm, and PA6 uses Huajian nylon
63.0 parts.
PA6 is dried in vacuo 4 hours at 120 DEG C first, then raw material carries out physical mixed by the above proportion, then with double
Screw Extrusion is simultaneously granulated, and 255 DEG C of processing temperature, revolving speed 250r/min.
Embodiment 4
A kind of dedicated Heat conduction nylon composite material of injection grade LED light prepares component ratio:
35.0 parts of attapulgite/magnesia, dispersing agent uses 5.0 parts of Japanese Kao EBS, and dispersion aids uses gas phase two
1.0 parts of silica, other auxiliary agents use average grain diameter for 1.0 parts of nano silica of 600nm, and PA6 uses Huajian nylon
58.0 parts.
PA6 is dried in vacuo 4 hours at 120 DEG C first, then raw material carries out physical mixed by the above proportion, then with double
Screw Extrusion is simultaneously granulated, and 255 DEG C of processing temperature, revolving speed 250r/min.
Comparative example 1
A kind of dedicated Heat conduction nylon composite material of injection grade LED light prepares component ratio:
Dispersing agent uses 5.0 parts of Japanese Kao EBS, and dispersion aids uses 1.0 parts of fumed silica, other auxiliary agents are adopted
1.0 parts of nano silica for being 600nm with average grain diameter, PA6 use 3.0 parts of Huajian nylon 9.
PA6 is dried in vacuo 4 hours at 120 DEG C first, then raw material carries out physical mixed by the above proportion, then with double
Screw Extrusion is simultaneously granulated, and 255 DEG C of processing temperature, revolving speed 250r/min.
Vulcanizing press pressing plate will be used after particle drying after above-mentioned pelletizing, with a thickness of 1mm, length and width are respectively 10cm, are made
It is as shown in table 1 below that its thermally conductive data is tested with general thermal conductivity test instrument:
Table 1
From table 1 it is found that the component of PA6 is excessive in comparative example 1, and lack attapulgite/magnesia, embodiment 1,
2,3,4 appropriate amount of components is then used, and is added to suitable attapulgite/magnesia, embodiment 1-4 is prepared compound
Material has excellent thermal conductivity ability, the thermally conductive fast coefficient between plate in thermal coefficient and plate respectively reach 1.0-1.7,
11.0-18.0 is thousand times of the composite material that comparative example 1 is prepared, and therefore, the present invention has excellent lead compared with prior art
Thermal energy power, and preparation method is simple, and production cost is low, has good using effect.
Claims (5)
1. a kind of dedicated Heat conduction nylon composite material of injection grade LED light, which is characterized in that the material is matched by following weight of material
Composition:
Attapulgite/magnesia: 5-50 parts；
Dispersing agent: 5-10 parts；
Dispersion aids: 0.5-5 parts；
Other auxiliary agents: 0-3 parts；
PA6:50-85 parts；
Attapulgite/the magnesia is the rodlike composite material of 1-dimention nano, wherein the weight of the attapulgite and magnesia
Than for 7:3-8:2.
2. the dedicated Heat conduction nylon composite material of injection grade LED light according to claim 1, it is characterised in that the dispersing agent
For the one or two kinds of of EBS, epoxidized soybean oil, polyether polyol or epoxy resin.
3. the dedicated Heat conduction nylon composite material of injection grade LED light according to claim 1, it is characterised in that described to help dispersion
Agent is nano silica or nano-hollow glass microballoon.
4. the dedicated Heat conduction nylon composite material of injection grade LED light according to claim 1, it is characterised in that described other help
Agent is one of antioxidant, lubricant or ultraviolet absorbing agent, crystallization nucleating agent and release agent or a variety of.
5. the preparation method of the dedicated Heat conduction nylon composite material of injection grade LED light according to claim 1-4,
It is characterized in that procedure of processing is as follows:
1) PA6 is 3.5-4.5 hours dry in 115-125 DEG C of vacuum drying oven；
2) then by raw material according to attapulgite/magnesia: 5-50 parts, dispersing agent: 5-10 parts, dispersion aids: 0.5-5 parts, its
His auxiliary agent: 0-3 parts, PA6:75-85 parts of progress ingredients；
3) raw material physical mixed is squeezed out and is granulated with double screw extruder after mixing, and the Screw Extrusion temperature is 230
℃-260℃。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838480.8A CN106467667B (en) | 2016-09-22 | 2016-09-22 | A kind of dedicated Heat conduction nylon composite material of injection grade LED light and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610838480.8A CN106467667B (en) | 2016-09-22 | 2016-09-22 | A kind of dedicated Heat conduction nylon composite material of injection grade LED light and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106467667A CN106467667A (en) | 2017-03-01 |
| CN106467667B true CN106467667B (en) | 2019-03-19 |
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| CN106905694A (en) * | 2017-04-18 | 2017-06-30 | 中南大学 | A kind of PA6/MgO heat-conductive composite materials and preparation method thereof |
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| CN1962763A (en) * | 2005-11-11 | 2007-05-16 | 东丽纤维研究所（中国）有限公司 | Nylon/attapulgite composites and their preparing process |
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2016
- 2016-09-22 CN CN201610838480.8A patent/CN106467667B/en active Active
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| CN1962763A (en) * | 2005-11-11 | 2007-05-16 | 东丽纤维研究所（中国）有限公司 | Nylon/attapulgite composites and their preparing process |
| CN103849143A (en) * | 2012-11-30 | 2014-06-11 | 合肥杰事杰新材料股份有限公司 | Lightweight glass fiber reinforced polyamide material and its preparation method |
| CN103849142A (en) * | 2012-11-30 | 2014-06-11 | 合肥杰事杰新材料股份有限公司 | Lightweight flame retardant modified polyamide material and its preparation method |
| CN104109377A (en) * | 2013-04-17 | 2014-10-22 | 上海杰事杰新材料(集团)股份有限公司 | Nanometer silicon dioxide/nylon 610T composite material and preparation method thereof |
| CN105295360A (en) * | 2015-10-10 | 2016-02-03 | 惠州市沃特新材料有限公司 | High thermal conductivity flame-retardant nylon composite material and preparation method thereof |
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Denomination of invention: A special thermal conductive nylon composite for injection molding LED lamp and its preparation method Effective date of registration: 20200927 Granted publication date: 20190319 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: ZHEJIANG SHINY NEW MATERIAL Co.,Ltd. Registration number: Y2020330000773 |