CN111959057A - Transparent flexible nano composite substrate and preparation method and application thereof - Google Patents
Transparent flexible nano composite substrate and preparation method and application thereof Download PDFInfo
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- CN111959057A CN111959057A CN202010844852.4A CN202010844852A CN111959057A CN 111959057 A CN111959057 A CN 111959057A CN 202010844852 A CN202010844852 A CN 202010844852A CN 111959057 A CN111959057 A CN 111959057A
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- China
- Prior art keywords
- transparent flexible
- acrylic
- acrylic adhesive
- thickness
- copper foil
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a transparent flexible nano composite substrate, which is characterized by comprising the following components in percentage by weight: the optical PET film is characterized in that VLP copper foils are coated on two sides of the optical PET inner film through acrylic adhesive, wherein the acrylic adhesive is synthesized from acrylic acid, n-butyl acrylate, acrylonitrile and butyl ester, the acrylic acid addition ratio is 1-10%, the n-butyl acrylate addition ratio is 20-50%, and the acrylonitrile addition ratio is 10-30%; the thickness range of the optical PET inner film is 12-188 micrometers, and the light transmittance is not lower than 92%; the VLP copper foil has a thickness in the range of 12-70 microns. The invention also discloses a preparation method and application thereof. The transparent flexible nano composite substrate prepared by the invention ensures high light transmittance in long-term use and effectively controls the influence of yellowing.
Description
Technical Field
The invention relates to the field of nano material preparation, in particular to a transparent flexible nano composite substrate and a preparation method and application thereof.
Background
The LED flexible material is mostly white backlight or yellow backlight, and the lighting effect of the two-color flexible LED material cannot penetrate through the back surface and only has the single-side 180-degree irradiation effect.
The high-light-transmission flexible nano material is adopted, LED light decoration is not shielded, the LED light decorative material is particularly suitable for high-end outdoor scene application, the ornamental effect of the LED at 360 degrees can be exerted, and the LED light decorative material is applied to large-scale outdoor propaganda, advertisement and building outer wall glass window decoration in the current application market.
However, the existing high-light-transmission flexible material is easy to yellow in long-term use, and the long-term use effect is poor.
Disclosure of Invention
In order to solve the above-mentioned defects of the prior art, the present invention aims to provide a transparent flexible nanocomposite substrate, a preparation method and applications thereof. The prepared material can avoid yellowing while keeping high light transmittance.
A transparent flexible nanocomposite substrate comprising:
the optical PET inner film is coated with VLP copper foil on two sides of the optical PET inner film through acrylic adhesive, wherein the acrylic adhesive is synthesized from acrylic acid, n-butyl acrylate, acrylonitrile and butyl ester, the acrylic acid addition ratio is 1-10%, the n-butyl acrylate addition ratio is 20-50%, and the acrylonitrile addition ratio is 10-30%;
the thickness range of the optical PET inner film is 12-188 micrometers, and the light transmittance is more than 92%;
the VLP copper foil has a thickness in the range of 12-70 microns.
In a preferred embodiment of the present invention, the acrylic adhesive is prepared by:
firstly, mixing and stirring 1-10% of acrylic acid, 20-50% of n-butyl acrylate, 10-30% of acrylonitrile and 50-65% of butyl ester under the action of an initiator to form emulsion;
adding 50-65% butyl ester at 80-84 deg.C to obtain acrylic resin;
and 5-20% of transparent nano powder is added into the acrylic resin according to the proportion of 10:1 to obtain the acrylic adhesive.
A preparation method of a transparent flexible nano composite substrate comprises the following steps:
and coating the acrylic adhesive on the optical PET film, covering the VLP copper foil at the highest pressing temperature of 70-80 ℃, and baking and curing.
In a preferred embodiment of the present invention, the acrylic adhesive is coated to a thickness of 20 μm.
In a preferred embodiment of the invention, the VLP copper foil has a thickness of 35 microns.
In a preferred embodiment of the invention, the pressing temperature is 70 ℃.
In a preferred embodiment of the invention, the curing temperature is not more than 160 ℃.
An application of a transparent flexible nano composite substrate, wherein the application is LED lamplight decoration.
The invention has the beneficial effects that:
the transparent flexible nano composite substrate prepared by the invention can ensure high light transmittance and effectively control yellowing phenomenon in long-term use.
Detailed Description
The main principle of the invention is as follows:
the independently developed acrylate resin is added with the adhesive synthesized by the transparent nano powder, PET is coated, and copper foil is coated, so that the prepared material can solve the problems of high light transmittance and no yellowing.
Synthesis example 1
1. All monomers of acrylic acid, n-butyl acrylate, acrylonitrile, initiator benzoyl peroxide and butyl ester are added into a 500ml four-neck flask and stirred to prepare emulsion.
2. The emulsion 2/3 was transferred to an isopiestic dropping funnel for titration.
3. Heating the water bath to 82 ℃, slowly dripping the mixture by using a constant-pressure dropping funnel for reaction, keeping the temperature at 82 +/-2.0 ℃, and preventing the reaction from being violent; the dropwise addition was completed within 3 hours.
4. And (4) after the dripping is finished, turning off the heating, stirring and cooling to normal temperature, and finishing the synthesis.
The specific addition amounts are shown in table 1 below:
TABLE 1
| Acrylic acid | 4.0g |
| Acrylic acid n-butyl ester | 35.0g |
| Acrylonitrile | 10.00g |
| Benzoyl peroxide | 0.02g |
| Butyl ester | 50.98g |
| Total of | 100.00g |
5. In the synthesized acrylic resin, 10 parts of transparent nano powder is added per 100 parts.
Synthesis example 2
The procedure was as in 1-4 of Synthesis example 1, and the specific amounts added were as shown in Table 2 below.
TABLE 2
| Acrylic acid | 3.00g |
| Acrylic acid n-butyl ester | 35g |
| Acrylonitrile | 11.00g |
| Benzoyl peroxide | 0.02g |
| Butyl ester | 50.98g |
| Total of | 100.00g |
5. In the synthesized acrylic resin, 10 parts of transparent nano powder is added per 100 parts.
Comparative Synthesis example
The adhesive of the comparative example was synthesized as follows:
20-30% of rubber, preferably 25-28%, added with 40-60% of epoxy resin, preferably 45-55%, and added with 15-30% of flame retardant, preferably 10-15%.
Comparative synthesis example 1 is shown in Table 3
TABLE 3
Example 1
The adhesive of synthesis example 1 was coated on optical PET with a thickness of 20 microns and a maximum pressing temperature of 80 ℃, a 35 micron VLP copper foil was laminated and cured in an oven with a maximum curing temperature of 160 ℃.
The main characteristics of the finished product are shown in Table 4
TABLE 4
Example 2
The adhesive of synthesis example 1 was coated on optical PET with a thickness of 20 microns and a maximum pressing temperature of 70 ℃, a 35 micron VLP copper foil was laminated and cured in an oven with a maximum curing temperature of 160 ℃.
The main characteristics of the finished product are shown in Table 5
TABLE 5
Example 3
The adhesive of synthesis example 2 was coated on optical PET with a thickness of 20 μm at a maximum lamination temperature of 80 ℃, and then a VLP copper foil was laminated and cured in an oven at a maximum curing temperature of 160 ℃.
The main characteristics of the finished product are shown in Table 6
TABLE 6
Comparative example 1
The adhesive of comparative example 1 was coated on high frequency PI with a thickness of 20 μm and a maximum pressing temperature of 80 ℃, a VLP copper foil was laminated, baked and cured in an oven, and the maximum curing temperature was 160 ℃.
The main characteristics of the finished product are shown in Table 7
TABLE 7
Comparing the comparative examples with the examples, it can be seen that the products prepared by using the adhesives of the comparative examples have no yellowing resistance and no light transmittance as the products of the invention.
Claims (7)
1. The transparent flexible nano composite substrate is characterized by comprising an optical PET film, wherein the optical PET film is formed by coating VLP copper foil with an acrylic adhesive, the acrylic adhesive is synthesized from acrylic acid, n-butyl acrylate, acrylonitrile and butyl ester, the acrylic acid addition ratio is 1-10%, the n-butyl acrylate addition ratio is 20-50%, and the acrylonitrile addition ratio is 10-30%;
the thickness range of the optical PET inner film is 12-188 micrometers, and the light transmittance is more than 92%;
the VLP copper foil has a thickness in the range of 12-70 microns.
2. The transparent flexible nanocomposite substrate of claim 1, wherein the acrylic adhesive is prepared by:
firstly, mixing and stirring 1-10% of acrylic acid, 20-50% of n-butyl acrylate, 10-30% of acrylonitrile and 50-65% of butyl ester under the action of an initiator to form emulsion;
adding 50-65% butyl ester at 80-84 deg.C to obtain acrylic resin;
and 5-20% of transparent nano powder is added into the acrylic resin according to the proportion of 10:1 to obtain the acrylic adhesive.
3. The method of claim 1, comprising the steps of:
and coating the acrylic adhesive on the optical PET film, laminating the VLP copper foil at 70-80 ℃, and baking and curing.
4. The method of claim 3, wherein the acrylic adhesive is applied at a thickness of 20 μm; the VLP copper foil has a thickness of 35 microns.
5. The method of claim 3, wherein the pressing temperature is 70 ℃.
6. The method of claim 3, wherein the curing temperature is no greater than 160 ℃.
7. The use of a transparent flexible nanocomposite substrate according to claim 1 for LED lighting decoration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844852.4A CN111959057A (en) | 2020-08-20 | 2020-08-20 | Transparent flexible nano composite substrate and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844852.4A CN111959057A (en) | 2020-08-20 | 2020-08-20 | Transparent flexible nano composite substrate and preparation method and application thereof |
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| Publication Number | Publication Date |
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| CN111959057A true CN111959057A (en) | 2020-11-20 |
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| CN202010844852.4A Pending CN111959057A (en) | 2020-08-20 | 2020-08-20 | Transparent flexible nano composite substrate and preparation method and application thereof |
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Citations (11)
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|---|---|---|---|---|
| CN204442830U (en) * | 2015-03-11 | 2015-07-01 | 松扬电子材料(昆山)有限公司 | For the black polyamide copper clad laminate of flexible circuit board |
| CN105061845A (en) * | 2015-09-08 | 2015-11-18 | 杨国雷 | Polymer composite lightweight rubber and preparation method thereof |
| CN105295354A (en) * | 2015-12-08 | 2016-02-03 | 天津利安隆新材料股份有限公司 | New weather-proof stabilizer used for thermoplastic polyurethane |
| CN105482746A (en) * | 2015-12-04 | 2016-04-13 | 中国电子科技集团公司第五十五研究所 | Transparent heat insulation adhesive used for liquid crystal displays, and preparation method thereof |
| CN105690917A (en) * | 2016-01-19 | 2016-06-22 | 中山市东溢新材料有限公司 | High-transparency low-haze flexible copper-clad plate |
| CN106960891A (en) * | 2017-03-09 | 2017-07-18 | 杭州福斯特应用材料股份有限公司 | A kind of photovoltaic transparent composite membrane and preparation method and application |
| CN108329869A (en) * | 2018-01-16 | 2018-07-27 | 广东鑫丰海电子科技有限公司 | A kind of optics acrylic acid adhesive and film protective film and preparation method |
| CN108359074A (en) * | 2018-02-26 | 2018-08-03 | 武汉纺织大学 | A kind of environment-protecting and high elasticity anti-yellowing polyurethane sponge and preparation method thereof |
| CN109762480A (en) * | 2018-12-26 | 2019-05-17 | 苏州赛伍应用技术股份有限公司 | A kind of high heat-conducting copper foil belt and its preparation method and application |
| CN111234712A (en) * | 2019-12-23 | 2020-06-05 | 深圳日高胶带新材料有限公司 | UV-cured optical pressure-sensitive adhesive and preparation method thereof |
| CN111500215A (en) * | 2020-04-30 | 2020-08-07 | 张家港保税区汇英聚福材料科技合伙企业(有限合伙) | Pressure-sensitive conductive adhesive and preparation method thereof |
-
2020
- 2020-08-20 CN CN202010844852.4A patent/CN111959057A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204442830U (en) * | 2015-03-11 | 2015-07-01 | 松扬电子材料(昆山)有限公司 | For the black polyamide copper clad laminate of flexible circuit board |
| CN105061845A (en) * | 2015-09-08 | 2015-11-18 | 杨国雷 | Polymer composite lightweight rubber and preparation method thereof |
| CN105482746A (en) * | 2015-12-04 | 2016-04-13 | 中国电子科技集团公司第五十五研究所 | Transparent heat insulation adhesive used for liquid crystal displays, and preparation method thereof |
| CN105295354A (en) * | 2015-12-08 | 2016-02-03 | 天津利安隆新材料股份有限公司 | New weather-proof stabilizer used for thermoplastic polyurethane |
| CN105690917A (en) * | 2016-01-19 | 2016-06-22 | 中山市东溢新材料有限公司 | High-transparency low-haze flexible copper-clad plate |
| CN106960891A (en) * | 2017-03-09 | 2017-07-18 | 杭州福斯特应用材料股份有限公司 | A kind of photovoltaic transparent composite membrane and preparation method and application |
| CN108329869A (en) * | 2018-01-16 | 2018-07-27 | 广东鑫丰海电子科技有限公司 | A kind of optics acrylic acid adhesive and film protective film and preparation method |
| CN108359074A (en) * | 2018-02-26 | 2018-08-03 | 武汉纺织大学 | A kind of environment-protecting and high elasticity anti-yellowing polyurethane sponge and preparation method thereof |
| CN109762480A (en) * | 2018-12-26 | 2019-05-17 | 苏州赛伍应用技术股份有限公司 | A kind of high heat-conducting copper foil belt and its preparation method and application |
| CN111234712A (en) * | 2019-12-23 | 2020-06-05 | 深圳日高胶带新材料有限公司 | UV-cured optical pressure-sensitive adhesive and preparation method thereof |
| CN111500215A (en) * | 2020-04-30 | 2020-08-07 | 张家港保税区汇英聚福材料科技合伙企业(有限合伙) | Pressure-sensitive conductive adhesive and preparation method thereof |
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