CN103865414A - Preparation process of heat dissipation type pressure sensitive tape - Google Patents
Preparation process of heat dissipation type pressure sensitive tape Download PDFInfo
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- CN103865414A CN103865414A CN201310468148.3A CN201310468148A CN103865414A CN 103865414 A CN103865414 A CN 103865414A CN 201310468148 A CN201310468148 A CN 201310468148A CN 103865414 A CN103865414 A CN 103865414A
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Abstract
The invention discloses a preparation process of a heat dissipation type pressure sensitive tape. The preparation process comprises the following steps: uniformly mixing 100 parts by weight of graphite powder with 220 parts by weight of a solvent; mixing butyl acrylate, benzoyl peroxide, iso-octyl acrylate, acrylic acid, methyl methacrylate, vinyl acetate and methacrylic acid-2-hydroxyethyl with a mixed solution in the first step; adding the benzoyl peroxide by 1-3 times in a thermal insulation process so as to obtain a heat-conduction adhesive mixed solvent, wherein the thermal insulation time is 4-10 hours; coating the obtained heat-conduction adhesive mixed solvent to the lower surface of a PET (polyethylene terephthalate) membrane, wherein an aluminum foil layer is arranged on the upper surface of the PET membrane; baking the heat-conduction adhesive mixed solvent to form a heat-conduction adhesive layer; and adhering a release material to the other surface of the baked heat-conduction adhesive layer. According to the preparation process, the thermal conductivities in the length and thickness directions are improved, and the uniformity of the heat-conduction performance of the tape is realized, so that the heat diffusion is benefited, the local overheating of the tape is avoided, the performance of the tape is improved, and the life of the tape is prolonged.
Description
Technical field
The present invention relates to a kind of preparation technology of heat radiating type Pressuresensitive Tape, belong to adhesive material technical field.
Background technology
Along with the fast development of electron trade, now from common desktop computer, to notebook computer, panel computer, smart mobile phone, scientific and technical innovation is advanced by leaps and bounds.Electronic product carries more and more lighting, and volume is more and more less, and function from strength to strength, causes integrated level more and more higher like this.Cause like this volume dwindling, function grow is large, directly causes the heat radiation of electronic devices and components to require more and more higher.And the fan type radiating adopting in the past, because volume is large, can produce the problems such as noise, eliminated by market gradually.And then produced other heat sink material, as Copper Foil, the heat radiation of aluminium foil class, but due to resource-constrained, and expensive, good in also not imagining of radiating effect, slowly, is all finding new efficient heat sink material.Secondly, due to the diversity of electronic product, existing product often needs customization, thus the difficult popularization that is suitable for concrete use occasion and has limited its application; Therefore, if design a kind of for electronic product feature there is high-performance heat radiation adhesive tape, become the direction that those of ordinary skill in the art make great efforts.
Summary of the invention
The object of the invention is to provide a kind of preparation technology of heat radiating type Pressuresensitive Tape, the preparation technology of this heat radiating type Pressuresensitive Tape has ensured that length and thickness direction have all improved thermal conductivity, and realize the homogeneity of adhesive tape heat conductivility, both adhesive tape local superheating is also avoided in the diffusion that had been conducive to heat, has improved performance and the life-span of product; Secondly, product versatility and convenience, can be applicable to the electronic product of different shape.
For achieving the above object, the technical solution used in the present invention is: a kind of preparation technology of heat radiating type Pressuresensitive Tape, comprise that a thickness is 0.004mm ~ 0.025mmPET film, this PET film upper surface plating has an aluminium foil layer, PET film lower surface is coated with heat-conducting glue adhesion coating, and an interleaving paper is covered on another surface of heat-conducting glue adhesion coating;
Comprise the following steps:
The first step: Graphite Powder 99, solvent are mixed according to the weight part ratio of 100:220, and stir and form mixed solution 84 ~ 86 DEG C of conditions;
Second step: butyl acrylate, benzoyl peroxide, Isooctyl acrylate monomer, vinylformic acid, methyl methacrylate, vinyl acetate between to for plastic, 2-hydroxyethyl methacrylate are mixed with the mixed solution of the first step, and disperse 1 ~ 2 hour through high speed agitator, thereby mix formation mixing solutions;
The 3rd step: insulation after the mixing solutions of second step being heated to 80 85 DEG C in reactor, in insulating process, to divide and add for 1 ~ 3 time benzoyl peroxide to obtain the gluing mixed solvent of heat conduction, described soaking time is 4 ~ 10 hours;
The 4th step: the lower surface of the PET film of aluminium foil layer coated upper surface and have by the gluing mixed solvent of heat conduction that the 3rd step is obtained;
The 5th step: the gluing mixed solvent of heat conduction in the 4th step is toasted and forms heat-conducting glue adhesion coating;
The 6th step: by another surface laminating separated type material of heat-conducting glue adhesion coating through overbaking in the 5th step;
The 7th step: rolling;
After described heat-conducting glue adhesion coating is mixed by following parts by weight of component, baking obtains:
Acrylic ester adhesive 100,
Graphite Powder 99 100,
Solvent 220,
Solidifying agent 0.1,
Coupling agent 0.09;
Described acrylic ester adhesive is made up of following parts by weight of component:
Benzoyl peroxide 0.1 ~ 1,
Vinyl acetate between to for plastic 0 ~ 10,
2-hydroxyethyl methacrylate 0.1 ~ 1;
The Thickness Ratio of described PET film, heat-conducting glue adhesion coating and aluminium foil layer is 100:200 ~ 300:50 ~ 100;
Described Graphite Powder 99 diameter is 3 ~ 6 microns.
In technique scheme, further improved plan is as follows:
1,, in such scheme, the Thickness Ratio of described PET film, heat-conducting glue adhesion coating and aluminium foil layer is 100:250:80; Described Graphite Powder 99 diameter is 4 ~ 4.5 microns.
2,, in such scheme, described solvent is mixed and is obtained by the component of following weight percent:
Toluene 5 ~ 20%,
Ethyl acetate 30 ~ 70%,
Butanone 20 ~ 50%.
For achieving the above object, the second technical scheme that the present invention adopts is: a kind of preparation technology of above-mentioned heat radiation adhesive tape, comprises the following steps:
The first step: Graphite Powder 99, solvent are mixed according to the weight part ratio of 50 ~ 150:200 ~ 300, and stir and form mixed solution 84 ~ 86 DEG C of conditions;
Second step: butyl acrylate, benzoyl peroxide, Isooctyl acrylate monomer, vinylformic acid, methyl methacrylate, vinyl acetate between to for plastic, 2-hydroxyethyl methacrylate are mixed with the mixed solution of the first step, and disperse 1 ~ 2 hour through high speed agitator, thereby mix formation mixing solutions;
The 3rd step: insulation after the mixing solutions of second step being heated to 80 85 DEG C in reactor, in insulating process, to divide and add for 1 ~ 3 time benzoyl peroxide to obtain the gluing mixed solvent of heat conduction, described soaking time is 4 ~ 10 hours;
The 4th step: the lower surface of the PET film of aluminium foil layer coated upper surface and have by the gluing mixed solvent of heat conduction that the 3rd step is obtained;
The 5th step: the gluing mixed solvent of heat conduction in the 4th step is toasted and forms heat-conducting glue adhesion coating;
The 6th step: by another surface laminating separated type material of heat-conducting glue adhesion coating through overbaking in the 5th step;
The 7th step: rolling.
In technique scheme, further improved plan is as follows:
1,, in such scheme, the whipping temp of the described the first step is 85 DEG C.
2,, in such scheme, described solvent is mixed by toluene 5 ~ 20%, ethyl acetate 30 ~ 70%, butanone 20 ~ 50%.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
1, the present invention is applied to heat radiation adhesive tape and the preparation technology thereof of electron device, ensure that length and thickness direction have all improved thermal conductivity, and realized the homogeneity of adhesive tape heat conductivility, adhesive tape local superheating is also avoided in the diffusion that had both been conducive to heat, has improved performance and the life-span of product.
2, the present invention adopts the component of three kinds of certain content as solvent, has effectively avoided graphite granule agglomeration in the gluing system of subsequent technique acrylate, thereby is conducive to length and thickness direction heat conduction synchronously improves.
3, the present invention is specific according to its formula, adopting diameter is that the graphite of 36 microns and Thickness Ratio are the heat conduction pad pasting of 10:10 30:1 10 the PET film, heat-conducting glue adhesion coating and the aluminium foil layer that superpose successively, taking into account existing pad pasting performance simultaneously, more be conducive to spread heat and the transmission of electron device, thereby further avoid concentrating of adhesive tape amount of localized heat, the work-ing life of having improved product.
Brief description of the drawings
Accompanying drawing 1 is heat radiating type Pressuresensitive Tape structural representation of the present invention;
The influence curve figure of the content that accompanying drawing 2 is toluene in mixed solvent of the present invention to thermal conductivity;
The influence curve figure of the content that accompanying drawing 3 is ethyl ester in mixed solvent of the present invention to thermal conductivity;
The graphic representation of the content that accompanying drawing 4 is butanone in mixed solvent of the present invention to thermal conductivity;
Accompanying drawing 5 is the influence curve figure of PET thickness of the present invention to heat conductivility;
Accompanying drawing 6 is the influence curve figure of churning time of the present invention to thermal conductivity;
Accompanying drawing 7 is impact (the stir 8H) graphic representation of rotating speed of the present invention on thermal conductivity.
In above accompanying drawing: 1, PET film; 2, aluminium foil layer; 3, heat-conducting glue adhesion coating; 4, interleaving paper.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Embodiment: a kind of preparation technology of heat radiating type Pressuresensitive Tape, comprise that a thickness is 0.004mm ~ 0.025mmPET film, this PET film upper surface plating has an aluminium foil layer, and PET film lower surface is coated with heat-conducting glue adhesion coating, and an interleaving paper is covered on another surface of heat-conducting glue adhesion coating;
Comprise the following steps:
The first step: Graphite Powder 99, solvent are mixed according to the weight part ratio of 100:220, and stir and form mixed solution 84 ~ 86 DEG C of conditions;
Second step: butyl acrylate, benzoyl peroxide, Isooctyl acrylate monomer, vinylformic acid, methyl methacrylate, vinyl acetate between to for plastic, 2-hydroxyethyl methacrylate are mixed with the mixed solution of the first step, and disperse 1 ~ 2 hour through high speed agitator, thereby mix formation mixing solutions;
The 3rd step: insulation after the mixing solutions of second step being heated to 80 85 DEG C in reactor, in insulating process, to divide and add for 1 ~ 3 time benzoyl peroxide to obtain the gluing mixed solvent of heat conduction, described soaking time is 4 ~ 10 hours;
The 4th step: the lower surface of the PET film of aluminium foil layer coated upper surface and have by the gluing mixed solvent of heat conduction that the 3rd step is obtained;
The 5th step: the gluing mixed solvent of heat conduction in the 4th step is toasted and forms heat-conducting glue adhesion coating;
The 6th step: by another surface laminating separated type material of heat-conducting glue adhesion coating through overbaking in the 5th step;
The 7th step: rolling.
The whipping temp of the above-mentioned the first step is 85 DEG C.
After described heat-conducting glue adhesion coating is mixed by following parts by weight of component, baking obtains:
Graphite Powder 99 100,
Solvent 220,
Solidifying agent 0.1,
Coupling agent 0.09;
Described acrylic ester adhesive is made up of following parts by weight of component:
Benzoyl peroxide 0.1 ~ 1,
Vinyl acetate between to for plastic 0 ~ 10,
2-hydroxyethyl methacrylate 0.1 ~ 1;
The Thickness Ratio of above-mentioned PET film, heat-conducting glue adhesion coating and aluminium foil layer is 100:250:80; Described Graphite Powder 99 diameter is 4 ~ 4.5 microns.
Above-mentioned solvent is mixed and is obtained by the component of following weight percent:
Ethyl acetate 30 ~ 70%,
Table 1
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that spirit is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. the preparation technology of a heat radiating type Pressuresensitive Tape, it is characterized in that: comprise that a thickness is 0.004mm ~ 0.025mmPET film, this PET film upper surface plating has an aluminium foil layer, and PET film lower surface is coated with heat-conducting glue adhesion coating, and an interleaving paper is covered on another surface of heat-conducting glue adhesion coating;
Comprise the following steps:
The first step: Graphite Powder 99, solvent are mixed according to the weight part ratio of 100:220, and stir and form mixed solution 84 ~ 86 DEG C of conditions;
Second step: butyl acrylate, benzoyl peroxide, Isooctyl acrylate monomer, vinylformic acid, methyl methacrylate, vinyl acetate between to for plastic, 2-hydroxyethyl methacrylate are mixed with the mixed solution of the first step, and disperse 1 ~ 2 hour through high speed agitator, thereby mix formation mixing solutions;
The 3rd step: insulation after the mixing solutions of second step being heated to 80 85 DEG C in reactor, in insulating process, to divide and add for 1 ~ 3 time benzoyl peroxide to obtain the gluing mixed solvent of heat conduction, described soaking time is 4 ~ 10 hours;
The 4th step: the lower surface of the PET film of aluminium foil layer coated upper surface and have by the gluing mixed solvent of heat conduction that the 3rd step is obtained;
The 5th step: the gluing mixed solvent of heat conduction in the 4th step is toasted and forms heat-conducting glue adhesion coating;
The 6th step: by another surface laminating separated type material of heat-conducting glue adhesion coating through overbaking in the 5th step;
The 7th step: rolling;
After described heat-conducting glue adhesion coating is mixed by following parts by weight of component, baking obtains:
Acrylic ester adhesive 100,
Graphite Powder 99 100,
Solvent 220,
Solidifying agent 0.1,
Coupling agent 0.09;
Described acrylic ester adhesive is made up of following parts by weight of component:
Butyl acrylate 100,
Benzoyl peroxide 0.1 ~ 1,
Isooctyl acrylate monomer 50 ~ 150,
Vinylformic acid 2 ~ 5,
Methyl methacrylate 10 ~ 30,
Vinyl acetate between to for plastic 0 ~ 10,
2-hydroxyethyl methacrylate 0.1 ~ 1;
The Thickness Ratio of described PET film, heat-conducting glue adhesion coating and aluminium foil layer is 100:200 ~ 300:50 ~ 100;
Described Graphite Powder 99 diameter is 3 ~ 6 microns.
2. the preparation technology of heat radiating type Pressuresensitive Tape according to claim 1, is characterized in that: the Thickness Ratio of described PET film, heat-conducting glue adhesion coating and aluminium foil layer is 100:250:80; Described Graphite Powder 99 diameter is 4 ~ 4.5 microns.
3. the preparation technology of heat radiating type Pressuresensitive Tape according to claim 1, is characterized in that: described solvent is mixed and obtained by the component of following weight percent:
Toluene 5 ~ 20%,
Ethyl acetate 30 ~ 70%,
Butanone 20 ~ 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310468148.3A CN103865414A (en) | 2012-12-18 | 2012-12-18 | Preparation process of heat dissipation type pressure sensitive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310468148.3A CN103865414A (en) | 2012-12-18 | 2012-12-18 | Preparation process of heat dissipation type pressure sensitive tape |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210551732.0A Division CN103045117B (en) | 2012-12-18 | 2012-12-18 | Heat dissipation adhesive tape applied to electronic device and preparation process of same |
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| CN103865414A true CN103865414A (en) | 2014-06-18 |
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| CN201310468148.3A Pending CN103865414A (en) | 2012-12-18 | 2012-12-18 | Preparation process of heat dissipation type pressure sensitive tape |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031574A (en) * | 2014-06-28 | 2014-09-10 | 安徽格林开思茂光电科技股份有限公司 | Thermally conductive adhesive tape |
| CN108676514A (en) * | 2018-05-07 | 2018-10-19 | 合肥羿振电力设备有限公司 | It is a kind of to prevent the dry electronic device heat radiating material to fall off |
| CN113201288A (en) * | 2021-04-21 | 2021-08-03 | 东莞市清鸿新材料科技有限公司 | Electronic packaging heat-conducting single-sided adhesive tape and preparation method thereof |
| CN117901510A (en) * | 2024-03-18 | 2024-04-19 | 宁波时代铝箔科技股份有限公司 | Paper-plastic aluminum foil composite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202374617U (en) * | 2011-11-02 | 2012-08-08 | 杜明亮 | Ultrathin heat radiation film having electromagnetic shielding function |
| WO2012148218A2 (en) * | 2011-04-28 | 2012-11-01 | ㈜솔루에타 | Horizontal thermoelectric tape and method for manufacturing same |
-
2012
- 2012-12-18 CN CN201310468148.3A patent/CN103865414A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012148218A2 (en) * | 2011-04-28 | 2012-11-01 | ㈜솔루에타 | Horizontal thermoelectric tape and method for manufacturing same |
| CN202374617U (en) * | 2011-11-02 | 2012-08-08 | 杜明亮 | Ultrathin heat radiation film having electromagnetic shielding function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031574A (en) * | 2014-06-28 | 2014-09-10 | 安徽格林开思茂光电科技股份有限公司 | Thermally conductive adhesive tape |
| CN108676514A (en) * | 2018-05-07 | 2018-10-19 | 合肥羿振电力设备有限公司 | It is a kind of to prevent the dry electronic device heat radiating material to fall off |
| CN113201288A (en) * | 2021-04-21 | 2021-08-03 | 东莞市清鸿新材料科技有限公司 | Electronic packaging heat-conducting single-sided adhesive tape and preparation method thereof |
| CN117901510A (en) * | 2024-03-18 | 2024-04-19 | 宁波时代铝箔科技股份有限公司 | Paper-plastic aluminum foil composite material and preparation method thereof |
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Application publication date: 20140618 |