CN110930860A - Efficient heat-conducting temperature-resistant insulating carbon fiber label material and preparation method thereof - Google Patents
Efficient heat-conducting temperature-resistant insulating carbon fiber label material and preparation method thereof Download PDFInfo
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- CN110930860A CN110930860A CN201911117584.XA CN201911117584A CN110930860A CN 110930860 A CN110930860 A CN 110930860A CN 201911117584 A CN201911117584 A CN 201911117584A CN 110930860 A CN110930860 A CN 110930860A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/0257—Multilayer
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention provides a carbon fiber label material with high-efficiency heat conduction, temperature resistance and insulation and a preparation method thereof, and the label material comprises the following components in percentage by weight: the ink comprises nano matte white ink, nano matte black ink, white carbon fiber paper, a glue layer and a PET film; the components of the nano matte white ink comprise: nano calcium carbonate with the average particle size of 200nm, acrylic resin, phosphate acrylate, water-based white pigment, polyethylene glycol and water; the components of the nano matte black ink comprise: nano calcium carbonate with the average particle size of 50nm, acrylic resin, phosphate acrylate, water-based black pigment, polyethylene glycol and water; the thickness of the white carbon fiber paper is 0.28mm, and the air permeability is 1700ml & mm/(cm2 & hr & mmAq); the glue layer comprises the components of acrylic glue, nano lithium titanate and graphene oxide, wherein the particle size D50 of the graphene oxide is less than 10um, and the number of layers is 5-10.
Description
Technical Field
The invention belongs to the field of membrane materials, and particularly relates to a high-efficiency heat-conducting temperature-resistant insulating carbon fiber label material and a preparation method thereof.
Background
The labels in the label industry are more mature, and the labels meeting special requirements are bound to stand out from the label industry, and in some instruments and equipment, the special requirements of high heat dissipation are often required, and the conventional metal heat dissipation effect easily has a large influence on the instruments. Therefore, there is a need for a label having stable performance without affecting heat dissipation for devices with high heat dissipation requirements.
Disclosure of Invention
The invention provides an impact-resistant efficient heat-conducting temperature-resistant insulating carbon fiber label material and a preparation method thereof, which are applied to a new label material for packaging large new energy batteries used for electric automobiles and packaging and protecting any flammable and combustible equipment.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides a high-efficient heat conduction temperature resistant insulating carbon fiber label material which characterized in that: from top to bottom: the ink comprises nano matte white ink, nano matte black ink, white carbon fiber paper, a glue layer and a PET film; the components of the nano matte white ink comprise: nano calcium carbonate with the average particle size of 200nm, acrylic resin, phosphate acrylate, water-based white pigment, polyethylene glycol and water; the components of the nano matte black ink comprise: nano calcium carbonate with the average particle size of 50nm, acrylic resin, phosphate acrylate, water-based black pigment, polyethylene glycol and water; the thickness of the white carbon fiber paper is 0.28mm, and the air permeability is 1700ml & mm/(cm2 & hr & mmAq); the glue layer comprises the components of acrylic glue, nano lithium titanate and graphene oxide, wherein the particle size D50 of the graphene oxide is less than 10um, and the number of layers is 5-10.
Further, the addition amount of the graphene oxide is 2% of the acrylic glue.
Further, the preparation method of the nano matte white ink comprises the following steps: uniformly mixing nano calcium carbonate with the average particle size of 50nm, acrylic resin, phosphate acrylate, water-based black pigment, polyethylene glycol and water according to the proportion of 5:5:2:2:2:50, heating to 60 ℃, and keeping the temperature for 4 hours at the rotating speed of 1200R/s.
Further, the preparation method of the nano matte black ink comprises the following steps: uniformly mixing nano calcium carbonate with the average particle size of 200nm, acrylic resin, phosphate acrylate, water-based black pigment, polyethylene glycol and water according to the proportion of 5:5:2:1:1:50, heating to 60 ℃, and keeping the temperature for 4 hours at the rotating speed of 1200R/s.
Further, the ratio of the acrylic glue, the nano lithium titanate and the graphene oxide in the glue layer is 100:0.5: 2.
A high-efficiency heat-conducting temperature-resistant insulating carbon fiber label material and a preparation method thereof comprise the following steps:
(1) coating 50 mu m white carbon fiber paper with nano matte black ink on an intaglio printing press, wherein the printing thickness of the ink is controlled to be 3 mu m, so that the ink is changed from bright black to matte black;
(2) carrying out nano matte white ink coating treatment on the treated nano matte black ink layer on a gravure printing machine, wherein the printing thickness of the ink is controlled to be 3.5 mu m, so that the ink is changed from white to matte white;
(3) uniformly coating acrylic glue, nano lithium titanate and graphene oxide on the release surface of a PET (polyethylene terephthalate) film with a release function by mixing the acrylic glue, the nano lithium titanate and the graphene oxide by using special scraper type coating equipment, wherein the coating thickness is 23 mu m, and drying the PET film at the high temperature of 110 ℃ for 3MIN to completely cure the PET film;
(4) adhering the release surface of the PET film to the non-coating surface of the white carbon fiber paper, and coiling the prepared product.
The invention has the beneficial effects that:
products of the invention
1. The carbon fiber paper has excellent water resistance, scratch resistance and certain heat conductivity, and is a mature environment-friendly material.
2. The low-price stable water-based acrylic glue is used as an adhesive, and a proper amount of graphene oxide and nano lithium titanate are added to enhance the heat dissipation performance of the glue and reduce the conductivity of graphene. The adhesive force is more than 1.2.0Kgf/24mm, the adhesive property can be kept at 200 ℃, and the normal use is not influenced.
3. According to the invention, through the mutual cooperation of the ink with different nanometer sizes and the porosity (determined by air permeability and thickness) of the carbon fiber paper, the temperature resistance and the thermal conductivity are synergistically improved.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Any modifications that can be easily made by a person skilled in the art to the present invention without departing from the technical solutions of the present invention will fall within the scope of the claims of the present invention.
Example 1
A high-efficiency heat-conducting temperature-resistant insulating carbon fiber label material comprises the following components in percentage by weight: the ink comprises nano matte white ink, nano matte black ink, white carbon fiber paper, a glue layer and a PET film; the components of the nano matte white ink comprise: nano calcium carbonate with the average particle size of 200nm, acrylic resin, phosphate acrylate, water-based white pigment, polyethylene glycol and water; the components of the nano matte black ink comprise: nano calcium carbonate with the average particle size of 50nm, acrylic resin, phosphate acrylate, water-based black pigment, polyethylene glycol and water; the thickness of the white carbon fiber paper is 0.28mm, and the air permeability is 1700ml & mm/(cm2 & hr & mmAq); the glue layer comprises the components of acrylic glue, nano lithium titanate and graphene oxide, wherein the particle size D50 of the graphene oxide is less than 10um, and the number of layers is 5-10.
The addition amount of the graphene oxide is 2% of that of the acrylic glue. The preparation method of the nano matte white ink comprises the following steps: uniformly mixing nano calcium carbonate with the average particle size of 50nm, acrylic resin, phosphate acrylate, water-based black pigment, polyethylene glycol and water according to the proportion of 5:5:2:2:2:50, heating to 60 ℃, and keeping the temperature for 4 hours at the rotating speed of 1200R/s.
The preparation method of the nano matte black ink comprises the following steps: uniformly mixing nano calcium carbonate with the average particle size of 200nm, acrylic resin, phosphate acrylate, water-based black pigment, polyethylene glycol and water according to the proportion of 5:5:2:1:1:50, heating to 60 ℃, and keeping the temperature for 4 hours at the rotating speed of 1200R/s.
The ratio of the acrylic glue, the nano lithium titanate and the graphene oxide in the glue layer is 100:0.5: 2.
A preparation method of a high-efficiency heat-conducting temperature-resistant insulating carbon fiber label material comprises the following steps:
(1) coating 50 mu m white carbon fiber paper with nano matte black ink on an intaglio printing press, wherein the printing thickness of the ink is controlled to be 3 mu m, so that the ink is changed from bright black to matte black;
(2) carrying out nano matte white ink coating treatment on the treated nano matte black ink layer on a gravure printing machine, wherein the printing thickness of the ink is controlled to be 3.5 mu m, so that the ink is changed from white to matte white;
(3) uniformly coating acrylic glue, nano lithium titanate and graphene oxide on the release surface of a PET (polyethylene terephthalate) film with a release function by mixing the acrylic glue, the nano lithium titanate and the graphene oxide by using special scraper type coating equipment, wherein the coating thickness is 23 mu m, and drying the PET film at the high temperature of 110 ℃ for 3MIN to completely cure the PET film;
(4) adhering the release surface of the PET film to the non-coating surface of the white carbon fiber paper, and coiling the prepared product.
Comparative example 1
The same as example 1, except for the nano matte white ink, the nano calcium carbonate in the nano matte black ink was 50nm and 200nm, respectively.
Comparative example 2
The same procedure as in example 1 was repeated, except that the white carbon fiber paper had a thickness of 0.15mm and an air permeability of 1500 ml. mm/(cm 2. hr. mmAq).
Comparative example 3
The same as example 1, except that the white carbon fiber paper had a thickness of 0.45mm and an air permeability of 1600ml · mm/(cm2 · hr · mmAq).
Comparative example 4
Same as example 1, except that nano lithium titanate, graphene oxide, was not added to the glue.
Comparative example 5
Same as example 1 except that no graphene oxide was added to the glue.
After 12 hours of treatment at 200 ℃ and 25 ℃ the adhesion was tested according to the national standard GB/T2792-2014(20 min). And the thermal conductivity coefficient W/(m.K) is tested by a thin film thermal conductivity testing system TCT-RT.
TABLE 1
As can be seen from comparative examples 1 to 3, the present invention synergistically improves temperature resistance and thermal conductivity by the cooperation of the ink of different nanometer sizes and the porosity (determined by air permeability and thickness) of the carbon fiber paper. As shown in comparative examples 4-5, the simultaneous addition of the nano lithium titanate and the graphene oxide can effectively enhance the high-temperature resistant adhesive force, and the high-temperature resistant thermal conductivity can also be effectively increased.
Claims (6)
1. The utility model provides a high-efficient heat conduction temperature resistant insulating carbon fiber label material which characterized in that: from top to bottom: the ink comprises nano matte white ink, nano matte black ink, white carbon fiber paper, a glue layer and a PET film; the components of the nano matte white ink comprise: nano calcium carbonate with the average particle size of 200nm, acrylic resin, phosphate acrylate, water-based white pigment, polyethylene glycol and water; the components of the nano matte black ink comprise: nano calcium carbonate with the average particle size of 50nm, acrylic resin, phosphate acrylate, water-based black pigment, polyethylene glycol and water; the thickness of the white carbon fiber paper is 0.28mm, and the air permeability is 1700ml & mm/(cm2 & hr & mmAq); the glue layer comprises the components of acrylic glue, nano lithium titanate and graphene oxide, wherein the particle size D50 of the graphene oxide is less than 10um, and the number of layers is 5-10.
2. The efficient heat-conducting temperature-resistant insulating carbon fiber label material as claimed in claim 1, wherein: the addition amount of the graphene oxide is 2% of that of the acrylic glue.
3. The efficient heat-conducting temperature-resistant insulating carbon fiber label material as claimed in claim 1, wherein the preparation method of the nano matte white ink comprises the following steps: uniformly mixing nano calcium carbonate with the average particle size of 50nm, acrylic resin, phosphate acrylate, water-based black pigment, polyethylene glycol and water according to the proportion of 5:5:2:2:2:50, heating to 60 ℃, and keeping the temperature for 4 hours at the rotating speed of 1200R/s.
4. The efficient heat-conducting temperature-resistant insulating carbon fiber label material as claimed in claim 1, wherein: the preparation method of the nano matte black ink comprises the following steps: uniformly mixing nano calcium carbonate with the average particle size of 200nm, acrylic resin, phosphate acrylate, water-based black pigment, polyethylene glycol and water according to the proportion of 5:5:2:1:1:50, heating to 60 ℃, and keeping the temperature for 4 hours at the rotating speed of 1200R/s.
5. The efficient heat-conducting temperature-resistant insulating carbon fiber label material as claimed in claim 1, wherein: the ratio of the acrylic glue, the nano lithium titanate and the graphene oxide in the glue layer is 100:0.5: 2.
6. A preparation method of a high-efficiency heat-conducting temperature-resistant insulating carbon fiber label material is characterized by comprising the following steps:
(1) coating 50 mu m white carbon fiber paper with nano matte black ink on an intaglio printing press, wherein the printing thickness of the ink is controlled to be 2-4 mu m, so that the ink is changed from bright black to matte black;
(2) performing nano matte white ink coating treatment on the treated nano matte black ink layer on a gravure printing machine, wherein the printing thickness of the ink is controlled to be 3-4 mu m, so that the ink is changed from white to matte white;
(3) uniformly coating acrylic glue, nano lithium titanate and graphene oxide on the release surface of a PET (polyethylene terephthalate) film with a release function by mixing the acrylic glue, the nano lithium titanate and the graphene oxide by using special scraper type coating equipment, wherein the coating thickness is 23 mu m, and drying the PET film at the high temperature of 110 ℃ for 3MIN to completely cure the PET film;
(4) adhering the release surface of the PET film to the non-coating surface of the white carbon fiber paper, and coiling the prepared product.
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Application publication date: 20200327 |