CN107573644A - A kind of display screen heat sink material and its preparation method and application - Google Patents
A kind of display screen heat sink material and its preparation method and application Download PDFInfo
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- CN107573644A CN107573644A CN201710776991.6A CN201710776991A CN107573644A CN 107573644 A CN107573644 A CN 107573644A CN 201710776991 A CN201710776991 A CN 201710776991A CN 107573644 A CN107573644 A CN 107573644A
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Abstract
The invention discloses a kind of display screen heat sink material and its preparation method and application, the heat sink material includes according to the raw material of parts by weight：20 30 parts of hydroxyapatite, 37 parts of tetraethyl orthosilicate, 31 39 parts of epoxy resin E44,15 parts of 3-acetylaminoaniline, 7 15 parts of pentaerythritol triacrylate.Hydroxyapatite is crushed, with teos solution Hybrid Heating；Add pentaerythritol triacrylate solution and epoxy resin E44, heating stirring；Then addition 3-acetylaminoaniline solution heating stirring, melting extrusion, injection molding produce.Heat sink material prepared by the present invention, preferable heat conductivility and insulating properties can be effectively kept, tensile yield strength and elongation at break also greatly improve, and can meet the radiating requirements of LCD Related products well.Heat sink material high temperature resistant of the present invention, ageing-resistant, corrosion-resistant, preparation method is simple to operate, and production cost is low, suitable for industrialized production.
Description
Technical field
The present invention relates to display screen field of material technology, specifically a kind of display screen heat sink material and preparation method thereof and
Using.
Background technology
Because liquid crystal display (LCD) has compact, low power consumption, radiationless, flat square is shown and image
It is stable many advantages such as not flash.When LCD works, most energy input changes into heat, increases internal temperature.It is long
Time uses at high temperature, it will shortens the LCD life-spans.The fin applied in prior art LCD Related products exists mostly leads
The thermal efficiency and electrical insulation capability are poor, easy thermal deformation, and tensile yield strength difference and the defects of be easily broken off, and substantially reduce
Life of product.Many researchers are improved by exploring new material and new technology to the performance of fin, but often
Various performances can not get both, and can not meet to require.
The content of the invention
It is above-mentioned to solve it is an object of the invention to provide a kind of display screen heat sink material and its preparation method and application
The problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of display screen heat sink material, includes according to the raw material of parts by weight：Hydroxyapatite 20-30 parts, tetraethyl orthosilicate 3-7
Part, epoxy resin E44 31-39 parts, 3-acetylaminoaniline 1-5 parts, pentaerythritol triacrylate 7-15 parts.
As the further scheme of the present invention：The display screen heat sink material, includes according to the raw material of parts by weight：Hydroxyl
Apatite 22-28 parts, tetraethyl orthosilicate 4-6 parts, epoxy resin E44 33-37 parts, 3-acetylaminoaniline 2-4 parts, Ji Wusi
Alcohol triacrylate 9-13 parts.
As the further scheme of the present invention：The display screen heat sink material, includes according to the raw material of parts by weight：Hydroxyl
25 parts of apatite, 5 parts of tetraethyl orthosilicate, 35 parts of epoxy resin E44,3 parts of 3-acetylaminoaniline, the acrylic acid of pentaerythrite three
11 parts of ester.
A kind of preparation method of display screen heat sink material, comprises the following steps：
1）3-4 times of ethanol of tetraethyl orthosilicate and its quality is mixed, teos solution is made；By 3-acetylaminoaniline
Mixed with 6-7 times of deionized water of its quality, 3-acetylaminoaniline solution is made；By pentaerythritol triacrylate and its matter
The ethanol mixing of 2-3 times of amount, is made pentaerythritol triacrylate solution；
2）Hydroxyapatite is crushed, crosses 100-150 mesh sieves, is then mixed with teos solution, is heated to 68-70 DEG C simultaneously
Stir process 1.2-1.4h at such a temperature；Pentaerythritol triacrylate solution and epoxy resin E44 are added, is warming up to
75-78 DEG C, and stir process 50-55min at such a temperature；Then 3-acetylaminoaniline solution is added, and at 88-92 DEG C
At a temperature of stir 25-30min, mixture A is made；
3）Mixture A is warming up to 130-135 DEG C and at such a temperature stir process 20-25min, then in 150-155 DEG C of temperature
The lower stirring 20-25min of degree, is made mixture B；
4）Mixture B is produced through melting extrusion, injection molding.
As the further scheme of the present invention：Step 2）In, mixing speed 300-320r/min.
As the further scheme of the present invention：Step 2）In, mixed with teos solution, be heated to 69 DEG C.
As the further scheme of the present invention：Step 2）In, 3-acetylaminoaniline solution is added, and in 90 DEG C of temperature
Lower stirring 25-30min.
As the further scheme of the present invention：Step 3）In, mixing speed 150-180r/min.
As the further scheme of the present invention：Step 3）In, mixture A is warming up to 132 DEG C and stirred at such a temperature
20-25min is handled, then 20-25min is stirred at a temperature of 152 DEG C, mixture B is made.
Another object of the present invention is to provide the application of the heat sink material on a display screen.
As the further scheme of the present invention：Display screen is Touch-control liquid crystal display screen.
Compared with prior art, the beneficial effects of the invention are as follows：
Heat sink material prepared by the present invention, can effectively keep preferable heat conductivility and insulating properties, tensile yield strength and disconnected
Split elongation also to greatly improve, the radiating requirements of LCD Related products can be met well.Heat sink material high temperature resistant of the present invention,
It is ageing-resistant, corrosion-resistant, prepare with not producing the material harmful to human body, environment, service life length during use.The present invention's
Preparation method is simple to operate, and production cost is low, suitable for industrialized production.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of display screen heat sink material, including following raw material：Hydroxyapatite 20kg, positive silicic acid second
Ester 3kg, epoxy resin E44 31kg, 3-acetylaminoaniline 1kg, pentaerythritol triacrylate 7kg.
3 times of ethanol of tetraethyl orthosilicate and its quality is mixed, teos solution is made；By 3-acetylaminoaniline
Mixed with 6 times of deionized water of its quality, 3-acetylaminoaniline solution is made；By pentaerythritol triacrylate and its quality
2 times of ethanol mixing, is made pentaerythritol triacrylate solution.Hydroxyapatite is crushed, cross 100 mesh sieves, then with just
Ethyl silicate solution mixes, and is heated to 68 DEG C and at such a temperature stir process 1.2h；Add pentaerythritol triacrylate
Solution and epoxy resin E44, are warming up to 75 DEG C, and stir process 50min at such a temperature；Then 3-acetylaminoaniline is added
Solution, and 25min is stirred at a temperature of 88 DEG C, mixture A is made；In above-mentioned steps, mixing speed 300r/min.Will be mixed
Compound A is warming up to 130 DEG C and at such a temperature stir process 20min, then stirs 20min at a temperature of 150 DEG C, and mixing is made
Thing B；In above-mentioned steps, mixing speed 150r/min.Mixture B is produced through melting extrusion, injection molding.
Embodiment 2
In the embodiment of the present invention, a kind of display screen heat sink material, including following raw material：Hydroxyapatite 30kg, positive silicic acid second
Ester 7kg, epoxy resin E44 39kg, 3-acetylaminoaniline 5kg, pentaerythritol triacrylate 15kg.
4 times of ethanol of tetraethyl orthosilicate and its quality is mixed, teos solution is made；By 3-acetylaminoaniline
Mixed with 7 times of deionized water of its quality, 3-acetylaminoaniline solution is made；By pentaerythritol triacrylate and its quality
3 times of ethanol mixing, is made pentaerythritol triacrylate solution.Hydroxyapatite is crushed, cross 150 mesh sieves, then with just
Ethyl silicate solution mixes, and is heated to 70 DEG C and at such a temperature stir process 1.4h；Add pentaerythritol triacrylate
Solution and epoxy resin E44, are warming up to 78 DEG C, and stir process 55min at such a temperature；Then 3-acetylaminoaniline is added
Solution, and 30min is stirred at a temperature of 92 DEG C, mixture A is made；In above-mentioned steps, mixing speed 320r/min.Will be mixed
Compound A is warming up to 135 DEG C and at such a temperature stir process 25min, then stirs 25min at a temperature of 155 DEG C, and mixing is made
Thing B；In above-mentioned steps, mixing speed 180r/min.Mixture B is produced through melting extrusion, injection molding.
Embodiment 3
In the embodiment of the present invention, a kind of display screen heat sink material, including following raw material：Hydroxyapatite 22kg, positive silicic acid second
Ester 4kg, epoxy resin E44 33kg, 3-acetylaminoaniline 2kg, pentaerythritol triacrylate 9kg.
3.5 times of ethanol of tetraethyl orthosilicate and its quality is mixed, teos solution is made；The aminoacenaphthene by between
The deionized water of 6.5 times of amine and its quality mixes, and 3-acetylaminoaniline solution is made；By pentaerythritol triacrylate and its
The ethanol mixing that 2.5 times of quality, is made pentaerythritol triacrylate solution.Hydroxyapatite is crushed, crosses 120 mesh sieves, so
Mixed afterwards with teos solution, be heated to 69 DEG C and at such a temperature stir process 1.4h；Add pentaerythrite 3 third
Olefin(e) acid ester solution and epoxy resin E44, are warming up to 78 DEG C, and stir process 55min at such a temperature；Then amino second between adding
Anilide solution, and 30min is stirred at a temperature of 90 DEG C, mixture A is made；In above-mentioned steps, mixing speed 320r/
min.Mixture A is warming up to 132 DEG C and at such a temperature stir process 25min, then 25min is stirred at a temperature of 152 DEG C,
Mixture B is made；In above-mentioned steps, mixing speed 180r/min.Mixture B is produced through melting extrusion, injection molding.
Embodiment 4
In the embodiment of the present invention, a kind of display screen heat sink material, including following raw material：Hydroxyapatite 28kg, positive silicic acid second
Ester 6kg, epoxy resin E44 37kg, 3-acetylaminoaniline 4kg, pentaerythritol triacrylate 13kg.
3.5 times of ethanol of tetraethyl orthosilicate and its quality is mixed, teos solution is made；The aminoacenaphthene by between
The deionized water of 6.5 times of amine and its quality mixes, and 3-acetylaminoaniline solution is made；By pentaerythritol triacrylate and its
The ethanol mixing that 2.5 times of quality, is made pentaerythritol triacrylate solution.Hydroxyapatite is crushed, crosses 120 mesh sieves, so
Mixed afterwards with teos solution, be heated to 69 DEG C and at such a temperature stir process 1.4h；Add pentaerythrite 3 third
Olefin(e) acid ester solution and epoxy resin E44, are warming up to 78 DEG C, and stir process 55min at such a temperature；Then amino second between adding
Anilide solution, and 30min is stirred at a temperature of 90 DEG C, mixture A is made；In above-mentioned steps, mixing speed 320r/
min.Mixture A is warming up to 132 DEG C and at such a temperature stir process 25min, then 25min is stirred at a temperature of 152 DEG C,
Mixture B is made；In above-mentioned steps, mixing speed 180r/min.Mixture B is produced through melting extrusion, injection molding.
Embodiment 5
In the embodiment of the present invention, a kind of display screen heat sink material, including following raw material：Hydroxyapatite 25kg, positive silicic acid second
Ester 5kg, epoxy resin E44 35kg, 3-acetylaminoaniline 3kg, pentaerythritol triacrylate 11kg.
3.5 times of ethanol of tetraethyl orthosilicate and its quality is mixed, teos solution is made；The aminoacenaphthene by between
The deionized water of 6.5 times of amine and its quality mixes, and 3-acetylaminoaniline solution is made；By pentaerythritol triacrylate and its
The ethanol mixing that 2.5 times of quality, is made pentaerythritol triacrylate solution.Hydroxyapatite is crushed, crosses 120 mesh sieves, so
Mixed afterwards with teos solution, be heated to 69 DEG C and at such a temperature stir process 1.4h；Add pentaerythrite 3 third
Olefin(e) acid ester solution and epoxy resin E44, are warming up to 78 DEG C, and stir process 55min at such a temperature；Then amino second between adding
Anilide solution, and 30min is stirred at a temperature of 90 DEG C, mixture A is made；In above-mentioned steps, mixing speed 320r/
min.Mixture A is warming up to 132 DEG C and at such a temperature stir process 25min, then 25min is stirred at a temperature of 152 DEG C,
Mixture B is made；In above-mentioned steps, mixing speed 180r/min.Mixture B is produced through melting extrusion, injection molding.
Comparative example 1
In addition to tetraethyl orthosilicate is not contained, its material composition is consistent with embodiment 5 with preparation technology.
Comparative example 2
In addition to 3-acetylaminoaniline is not contained, its material composition is consistent with embodiment 5 with preparation technology.
Comparative example 3
Each raw material is directly mixed to prepare mixture A, mixture A is warming up to 132 DEG C and at such a temperature stir process
25min, then 25min is stirred at a temperature of 152 DEG C, mixture B is made；In above-mentioned steps, mixing speed 180r/min.Will
Mixture B produces through melting extrusion, injection molding.Its material composition is consistent with embodiment 5.
(the unit so that appearance and size is 50 × 20 × 8 as an example：Millimeter), detect prepared by embodiment 1-5 and comparative example 1-3
The performance parameter of heat sink material, concrete outcome are shown in Table 1：
Table 1
Conclusion：3-5 of the embodiment of the present invention is preferred embodiment, better than embodiment 1-2, meanwhile, the present invention is in the mutual of each raw material
The performance of the heat sink material prepared under effect and under conditions of above-mentioned preparation technology is better than market like product, possesses preferably
Application prospect.
The present invention is lacking heat sink material made from tetraethyl orthosilicate processing, and tensile yield strength is deteriorated, heat distortion temperature
Reduce, illustrate that heat sink material made from the effect by tetraethyl orthosilicate can improve tensile yield strength, heat distortion temperature.
When lacking 3-acetylaminoaniline, the elongation at break reduction of obtained heat sink material, thermal conductivity factor reduce, and illustrate that explanation is passed through
Heat sink material can improve elongation at break and thermal conductivity factor made from the effect of 3-acetylaminoaniline.
The present invention additionally uses other types of epoxy resin（Epoxy resin E51, epoxy resin E31, epoxy resin E56,
Epoxy resin E12）, remaining raw material is consistent with embodiment 5 with step, but radiating effect does not reach the embodiment of the present invention after testing
The 70% of 5, tensile yield strength are less than 245 DEG C less than 145MPa, heat distortion temperature.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (10)
1. a kind of display screen heat sink material, it is characterised in that include according to the raw material of parts by weight：Hydroxyapatite 20-30 parts,
Tetraethyl orthosilicate 3-7 parts, epoxy resin E44 31-39 parts, 3-acetylaminoaniline 1-5 parts, pentaerythritol triacrylate 7-
15 parts.
2. display screen heat sink material according to claim 1, it is characterised in that include according to the raw material of parts by weight：Hydroxyl
Base apatite 22-28 parts, tetraethyl orthosilicate 4-6 parts, epoxy resin E44 33-37 parts, 3-acetylaminoaniline 2-4 parts, season penta
Tetrol triacrylate 9-13 parts.
3. display screen heat sink material according to claim 1, it is characterised in that include according to the raw material of parts by weight：Hydroxyl
25 parts of base apatite, 5 parts of tetraethyl orthosilicate, 35 parts of epoxy resin E44,3 parts of 3-acetylaminoaniline, the propylene of pentaerythrite three
11 parts of acid esters.
A kind of 4. preparation method of display screen heat sink material as described in claim 1-3 is any, it is characterised in that including with
Lower step：
1）3-4 times of ethanol of tetraethyl orthosilicate and its quality is mixed, teos solution is made；By 3-acetylaminoaniline
Mixed with 6-7 times of deionized water of its quality, 3-acetylaminoaniline solution is made；By pentaerythritol triacrylate and its matter
The ethanol mixing of 2-3 times of amount, is made pentaerythritol triacrylate solution；
2）Hydroxyapatite is crushed, crosses 100-150 mesh sieves, is then mixed with teos solution, is heated to 68-70 DEG C simultaneously
Stir process 1.2-1.4h at such a temperature；Pentaerythritol triacrylate solution and epoxy resin E44 are added, is warming up to
75-78 DEG C, and stir process 50-55min at such a temperature；Then 3-acetylaminoaniline solution is added, and at 88-92 DEG C
At a temperature of stir 25-30min, mixture A is made；
3）Mixture A is warming up to 130-135 DEG C and at such a temperature stir process 20-25min, then in 150-155 DEG C of temperature
The lower stirring 20-25min of degree, is made mixture B；
4）Mixture B is produced through melting extrusion, injection molding.
5. the preparation method of display screen heat sink material according to claim 4, it is characterised in that step 2）In, stirring
Speed is 300-320r/min.
6. the preparation method of display screen heat sink material according to claim 4, it is characterised in that step 2）In, and just
Ethyl silicate solution mixes, and is heated to 69 DEG C.
7. the preparation method of display screen heat sink material according to claim 4, it is characterised in that step 2）In, add
3-acetylaminoaniline solution, and stir 25-30min at a temperature of 90 DEG C.
8. the preparation method of display screen heat sink material according to claim 4, it is characterised in that step 3）In, stirring
Speed is 150-180r/min.
9. the preparation method of display screen heat sink material according to claim 4, it is characterised in that step 3）In, will be mixed
Compound A is warming up to 132 DEG C and at such a temperature stir process 20-25min, then stirs 20-25min at a temperature of 152 DEG C, system
Obtain mixture B.
10. the application of heat sink material on a display screen as described in claim 1-3 is any.
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| CN102634167A (en) * | 2011-02-10 | 2012-08-15 | 台光电子材料股份有限公司 | Resin composition |
| CN104017441A (en) * | 2014-05-06 | 2014-09-03 | 阜阳市光普照明科技有限公司 | Antibacterial heat dissipation coating containing nanosilver |
| CN105199594A (en) * | 2015-09-24 | 2015-12-30 | 苏州宽温电子科技有限公司 | Heat dispersing material for electronic products and preparation method thereof |
| CN106633641A (en) * | 2016-11-29 | 2017-05-10 | 太湖县金辉煌电子科技有限公司 | Silane-modified epoxy heat conduction material and preparation method thereof |
-
2017
- 2017-09-01 CN CN201710776991.6A patent/CN107573644A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634167A (en) * | 2011-02-10 | 2012-08-15 | 台光电子材料股份有限公司 | Resin composition |
| CN104017441A (en) * | 2014-05-06 | 2014-09-03 | 阜阳市光普照明科技有限公司 | Antibacterial heat dissipation coating containing nanosilver |
| CN105199594A (en) * | 2015-09-24 | 2015-12-30 | 苏州宽温电子科技有限公司 | Heat dispersing material for electronic products and preparation method thereof |
| CN106633641A (en) * | 2016-11-29 | 2017-05-10 | 太湖县金辉煌电子科技有限公司 | Silane-modified epoxy heat conduction material and preparation method thereof |
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