CN107686634A - A kind of LED heat sink material and its preparation technology - Google Patents

A kind of LED heat sink material and its preparation technology Download PDF

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Publication number
CN107686634A
CN107686634A CN201710970994.3A CN201710970994A CN107686634A CN 107686634 A CN107686634 A CN 107686634A CN 201710970994 A CN201710970994 A CN 201710970994A CN 107686634 A CN107686634 A CN 107686634A
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parts
heat sink
sink material
preparation technology
lubricating
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徐宏伟
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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
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/08—Materials not undergoing a change of physical state when used
    • C09K5/14—Solid materials, e.g. powdery or granular
    • 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
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • 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
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • 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
    • C08K3/38—Boron-containing compounds
    • C08K2003/382—Boron-containing compounds and nitrogen
    • C08K2003/385—Binary compounds of nitrogen with boron
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of LED heat sink material and its preparation technology, heat sink material component includes 10 20 parts of graphene, 5 15 parts of carbon nano-fiber, 39 parts of nano titanium oxide, 28 parts of polyamide, 4 12 parts of iron oxide, 8 18 parts of zinc oxide, 4 10 parts of boron nitride, 24 parts of lubricating and wear-resisting agent, 10 15 parts of glycolylurea epoxide resin, 39 parts of chlorphenyl silicone oil in parts by weight, preparation technology of the present invention is simple, obtained heat sink material has excellent radiating, resistance to elevated temperatures, can extend the service life of LED.

Description

A kind of LED heat sink material and its preparation technology
Technical field
The present invention relates to heat sink material preparing technical field, specially a kind of LED heat sink material and its preparation technology.
Background technology
The fast development of LED industries, the development of upstream materials industry has been pulled significantly, has also further promoted high end materials The breakthrough in field.Wherein, substantial amounts of heat sink material, including the potted element of LED chips, LED light can be used in LED light fixtures Learn lens, light-scattering component, high efficiency and heat radiation element, light reflection and light diffusing board etc..
All the time, radiate bad the problems such as causing power supply damage, light decay quickening, reduced lifetime, be that LED shines all the time The most important thing of bright systematic function lifting.Traditional three kinds are used for the material of LED radiators, including aluminium, plastics and ceramics, Three respectively has quality, but can not still meet that the good insulating needed for LED radiator materials, the coefficient of expansion be low, heat conduction simultaneously The advantages of coefficient is big, good heat dissipation effect, light and good mechanical property.
The content of the invention
It is an object of the invention to provide a kind of LED heat sink material and its preparation technology, to solve above-mentioned background technology The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme：A kind of LED heat sink material, heat sink material component Include graphene 10-20 parts, carbon nano-fiber 5-15 parts, nano titanium oxide 3-9 parts, polyamide 2-8 parts, oxygen in parts by weight Change iron 4-12 parts, zinc oxide 8-18 parts, boron nitride 4-10 parts, lubricating and wear-resisting agent 2-4 parts, glycolylurea epoxide resin 10-15 parts, chlorobenzene Base silicone oil 3-9 parts.
Preferably, the preferable composition proportion of heat sink material component includes 15 parts of graphene, part, nanometer two of carbon nano-fiber 10 6 parts of titanium oxide, 5 parts of polyamide, 8 parts of iron oxide, 13 parts of zinc oxide, 7 parts of boron nitride, 3 parts of lubricating and wear-resisting agent, glycolylurea epoxide resin 12 parts, 6 parts of chlorphenyl silicone oil.
Preferably, its preparation technology comprises the following steps：
A, add in grinder and grind after mixing iron oxide, zinc oxide, boron nitride, time 20min, obtain mixture A；
B, lubricating and wear-resisting agent, glycolylurea epoxide resin, chlorphenyl silicone oil are added in mixture A, is added after mixing low in stirred tank Speed stirring, stir speed (S.S.) are 100 revs/min, time 10min, sequentially add graphene, carbon nano-fiber in whipping process, receive Rice titanium dioxide, polyamide, continue to stir 20min, stand 5min, obtain mixture B；
C, mixture B is placed into 10h at normal temperatures, that is, obtains heat sink material.
Compared with prior art, the beneficial effects of the invention are as follows：Preparation technology of the present invention is simple, obtained heat sink material tool There are excellent radiating, resistance to elevated temperatures, the service life of LED can be extended；The iron oxide that is added in the present invention, zinc oxide, Boron nitride, it is possible to increase the resistance to elevated temperatures of heat sink material；Glycolylurea epoxide resin, the chlorphenyl silicone oil of addition, it is possible to increase dissipate The greasy property of hot material；Obtained through overtesting, heat sink material thermal conductivity factor produced by the present invention reaches 3.8W/m.k, surface electricity Resistance reaches 3.2*1011Ω/sq。
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects Enclose.
The present invention provides following technical scheme：A kind of LED heat sink material, heat sink material component include stone in parts by weight Black alkene 10-20 parts, carbon nano-fiber 5-15 parts, nano titanium oxide 3-9 parts, polyamide 2-8 parts, iron oxide 4-12 parts, oxidation Zinc 8-18 parts, boron nitride 4-10 parts, lubricating and wear-resisting agent 2-4 parts, glycolylurea epoxide resin 10-15 parts, chlorphenyl silicone oil 3-9 parts.
Embodiment one：
Heat sink material component includes 10 parts of graphene, 5 parts of carbon nano-fiber, 3 parts of nano titanium oxide, polyamide in parts by weight 2 parts, 4 parts of iron oxide, 8 parts of zinc oxide, 4 parts of boron nitride, 2 parts of lubricating and wear-resisting agent, 10 parts of glycolylurea epoxide resin, chlorphenyl silicone oil 3 Part.
The preparation technology of the present embodiment comprises the following steps：
A, add in grinder and grind after mixing iron oxide, zinc oxide, boron nitride, time 20min, obtain mixture A；
B, lubricating and wear-resisting agent, glycolylurea epoxide resin, chlorphenyl silicone oil are added in mixture A, is added after mixing low in stirred tank Speed stirring, stir speed (S.S.) are 100 revs/min, time 10min, sequentially add graphene, carbon nano-fiber in whipping process, receive Rice titanium dioxide, polyamide, continue to stir 20min, stand 5min, obtain mixture B；
C, mixture B is placed into 10h at normal temperatures, that is, obtains heat sink material.
Embodiment two：
Heat sink material component includes 20 parts of graphene, 15 parts of carbon nano-fiber, 9 parts of nano titanium oxide, polyamides in parts by weight 8 parts of amine, 12 parts of iron oxide, 18 parts of zinc oxide, 10 parts of boron nitride, 4 parts of lubricating and wear-resisting agent, 15 parts of glycolylurea epoxide resin, chlorphenyl 9 parts of silicone oil.
The preparation technology of the present embodiment comprises the following steps：
A, add in grinder and grind after mixing iron oxide, zinc oxide, boron nitride, time 20min, obtain mixture A；
B, lubricating and wear-resisting agent, glycolylurea epoxide resin, chlorphenyl silicone oil are added in mixture A, is added after mixing low in stirred tank Speed stirring, stir speed (S.S.) are 100 revs/min, time 10min, sequentially add graphene, carbon nano-fiber in whipping process, receive Rice titanium dioxide, polyamide, continue to stir 20min, stand 5min, obtain mixture B；
C, mixture B is placed into 10h at normal temperatures, that is, obtains heat sink material.
Embodiment three：
Heat sink material component includes 12 parts of graphene, 7 parts of carbon nano-fiber, 4 parts of nano titanium oxide, polyamide in parts by weight 3 parts, 6 parts of iron oxide, 9 parts of zinc oxide, 5 parts of boron nitride, 3 parts of lubricating and wear-resisting agent, 11 parts of glycolylurea epoxide resin, chlorphenyl silicone oil 4 Part.
The preparation technology of the present embodiment comprises the following steps：
A, add in grinder and grind after mixing iron oxide, zinc oxide, boron nitride, time 20min, obtain mixture A；
B, lubricating and wear-resisting agent, glycolylurea epoxide resin, chlorphenyl silicone oil are added in mixture A, is added after mixing low in stirred tank Speed stirring, stir speed (S.S.) are 100 revs/min, time 10min, sequentially add graphene, carbon nano-fiber in whipping process, receive Rice titanium dioxide, polyamide, continue to stir 20min, stand 5min, obtain mixture B；
C, mixture B is placed into 10h at normal temperatures, that is, obtains heat sink material.
Example IV：
Heat sink material component includes 18 parts of graphene, 13 parts of carbon nano-fiber, 7 parts of nano titanium oxide, polyamides in parts by weight 7 parts of amine, 10 parts of iron oxide, 15 parts of zinc oxide, 8 parts of boron nitride, 3 parts of lubricating and wear-resisting agent, 13 parts of glycolylurea epoxide resin, chlorphenyl silicon 8 parts of oil.
The preparation technology of the present embodiment comprises the following steps：
A, add in grinder and grind after mixing iron oxide, zinc oxide, boron nitride, time 20min, obtain mixture A；
B, lubricating and wear-resisting agent, glycolylurea epoxide resin, chlorphenyl silicone oil are added in mixture A, is added after mixing low in stirred tank Speed stirring, stir speed (S.S.) are 100 revs/min, time 10min, sequentially add graphene, carbon nano-fiber in whipping process, receive Rice titanium dioxide, polyamide, continue to stir 20min, stand 5min, obtain mixture B；
C, mixture B is placed into 10h at normal temperatures, that is, obtains heat sink material.
Embodiment five：
Heat sink material component includes 15 parts of graphene, 10 parts of carbon nano-fiber, 6 parts of nano titanium oxide, polyamides in parts by weight 5 parts of amine, 8 parts of iron oxide, 13 parts of zinc oxide, 7 parts of boron nitride, 3 parts of lubricating and wear-resisting agent, 12 parts of glycolylurea epoxide resin, chlorphenyl silicon 6 parts of oil.
The preparation technology of the present embodiment comprises the following steps：
A, add in grinder and grind after mixing iron oxide, zinc oxide, boron nitride, time 20min, obtain mixture A；
B, lubricating and wear-resisting agent, glycolylurea epoxide resin, chlorphenyl silicone oil are added in mixture A, is added after mixing low in stirred tank Speed stirring, stir speed (S.S.) are 100 revs/min, time 10min, sequentially add graphene, carbon nano-fiber in whipping process, receive Rice titanium dioxide, polyamide, continue to stir 20min, stand 5min, obtain mixture B；
C, mixture B is placed into 10h at normal temperatures, that is, obtains heat sink material.
Preparation technology of the present invention is simple, and obtained heat sink material has excellent radiating, resistance to elevated temperatures, can extend The service life of LED；Iron oxide, zinc oxide, the boron nitride added in the present invention, it is possible to increase the heat-resisting quantity of heat sink material Energy；Glycolylurea epoxide resin, the chlorphenyl silicone oil of addition, it is possible to increase the greasy property of heat sink material；Obtained through overtesting, this hair Bright obtained heat sink material thermal conductivity factor reaches 3.8W/m.k, and sheet resistance value reaches 3.2*1011Ω/sq。
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (3)

  1. A kind of 1. LED heat sink material, it is characterised in that：Heat sink material component includes graphene 10-20 parts, received in parts by weight Rice carbon fiber 5-15 parts, nano titanium oxide 3-9 parts, polyamide 2-8 parts, iron oxide 4-12 parts, zinc oxide 8-18 parts, boron nitride 4-10 parts, lubricating and wear-resisting agent 2-4 parts, glycolylurea epoxide resin 10-15 parts, chlorphenyl silicone oil 3-9 parts.
  2. A kind of 2. LED heat sink material according to claim 1, it is characterised in that：The preferable composition of heat sink material component Proportioning includes 15 parts of graphene, 10 parts of carbon nano-fiber, 6 parts of nano titanium oxide, 5 parts of polyamide, 8 parts of iron oxide, zinc oxide 13 parts, 7 parts of boron nitride, 3 parts of lubricating and wear-resisting agent, 12 parts of glycolylurea epoxide resin, 6 parts of chlorphenyl silicone oil.
  3. 3. realize a kind of preparation technology of LED heat sink material described in claim 1, it is characterised in that：Its preparation technology bag Include following steps：
    A, add in grinder and grind after mixing iron oxide, zinc oxide, boron nitride, time 20min, obtain mixture A；
    B, lubricating and wear-resisting agent, glycolylurea epoxide resin, chlorphenyl silicone oil are added in mixture A, is added after mixing low in stirred tank Speed stirring, stir speed (S.S.) are 100 revs/min, time 10min, sequentially add graphene, carbon nano-fiber in whipping process, receive Rice titanium dioxide, polyamide, continue to stir 20min, stand 5min, obtain mixture B；
    C, mixture B is placed into 10h at normal temperatures, that is, obtains heat sink material.
CN201710970994.3A 2017-10-18 2017-10-18 A kind of LED heat sink material and its preparation technology Pending CN107686634A (en)

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Application Number Priority Date Filing Date Title
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CN107686634A true CN107686634A (en) 2018-02-13

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104788909A (en) * 2015-04-16 2015-07-22 四川大学 Thermally conductive and insulating composite material and preparation method thereof
CN105504823A (en) * 2016-01-28 2016-04-20 天津凯华绝缘材料股份有限公司 High-temperature-resistant organosilicone powder encapsulating material and preparation method thereof
CN106191713A (en) * 2016-08-17 2016-12-07 安徽福恩光电科技有限公司 A kind of LED aluminum-base composite heat sink material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104788909A (en) * 2015-04-16 2015-07-22 四川大学 Thermally conductive and insulating composite material and preparation method thereof
CN105504823A (en) * 2016-01-28 2016-04-20 天津凯华绝缘材料股份有限公司 High-temperature-resistant organosilicone powder encapsulating material and preparation method thereof
CN106191713A (en) * 2016-08-17 2016-12-07 安徽福恩光电科技有限公司 A kind of LED aluminum-base composite heat sink material

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Application publication date: 20180213