CN112852343B - Additive, preparation method thereof and frame glue - Google Patents

Additive, preparation method thereof and frame glue Download PDF

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CN112852343B
CN112852343B CN202110245205.6A CN202110245205A CN112852343B CN 112852343 B CN112852343 B CN 112852343B CN 202110245205 A CN202110245205 A CN 202110245205A CN 112852343 B CN112852343 B CN 112852343B
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reactant
additive
frame glue
structural formula
nanoparticles
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CN112852343A (en
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王亚楠
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TCL Huaxing Photoelectric Technology Co Ltd
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TCL Huaxing Photoelectric Technology Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F216/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
    • C08F216/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an alcohol radical
    • C08F216/04—Acyclic compounds
    • C08F216/08—Allyl alcohol
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
    • C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
    • C08F230/08—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
    • C08F230/085—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon the monomer being a polymerisable silane, e.g. (meth)acryloyloxy trialkoxy silanes or vinyl trialkoxysilanes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Sealing Material Composition (AREA)

Abstract

The embodiment of the application discloses an additive, a preparation method thereof and frame glue, wherein the additive is a nano particle. In the application, the additive is applied to the frame glue due to the fact that the nano particles have the cross-linked structure, ductility of the frame glue is improved, and pressure resistance of the frame glue is further improved; because the nano-particle molecules have hydroxyl groups, hydrogen bonds are formed among the hydroxyl groups, and the additive is applied to the frame glue, so that the toughness of the frame glue is improved, and the performance of the frame glue is improved.

Description

Additive, preparation method thereof and frame glue
Technical Field
The application relates to the technical field of display, in particular to an additive, a preparation method thereof and frame glue.
Background
Although the display technology is gradually mature along with the development of the technology, for curved surface and flexible display, there are many problems, for example, the sealant is disposed around the liquid crystal layer of the liquid crystal display panel to prevent the liquid crystal from leaking and peeling the upper and lower substrates, when the liquid crystal display panel deforms, the sealant can be subject to different tensile stress and compressive stress, and even the sealant can be peeled off, separated from the upper and lower substrates, and leaked due to the weak toughness, ductility and pressure resistance of the sealant, thereby affecting the display performance of the liquid crystal display panel and further affecting the performance of the liquid crystal display panel.
Therefore, there is a need for a sealant to solve the problems of the prior art that the sealant has poor toughness, ductility and pressure resistance.
Disclosure of Invention
The embodiment of the application provides an additive, a preparation method thereof and frame glue, so as to improve the performance of the frame glue.
The embodiment of the application provides an additive, the additive is a nanoparticle, and the structural formula of the nanoparticle comprises
Figure BDA0002963841890000011
One or a combination of more of the above R1The structural formula of the group is selected from
Figure BDA0002963841890000012
The R is2The structural formula of the group is selected from
Figure BDA0002963841890000013
Wherein n is 20-50.
Optionally, in some embodiments of the present application, the nanoparticles have a particle size of 2 nm to 5 nm.
Correspondingly, the embodiment of the application also provides a preparation method of the additive, which comprises the following steps:
providing a first reactant and a second reactant, wherein the first reactant and the second reactant react to form nanoparticles, and the nanoparticles have a structural formula comprising
Figure BDA0002963841890000021
Figure BDA0002963841890000022
The first reactant is R1Compounds of the group R1The structural formula of the group is selected from
Figure BDA0002963841890000023
The second reactant is R2Compounds of the group R2The structural formula of the group is selected from
Figure BDA0002963841890000024
Figure BDA0002963841890000025
Wherein n is 20-50.
Optionally, in some embodiments of the present application, the first reactant and the second reactant are reacted in an initiator comprising one or a combination of ammonium persulfate, potassium persulfate, and sodium persulfate.
Optionally, in some embodiments of the present application, the reaction temperature of the first reactant and the second reactant to generate the nanoparticles is 30 to 50 degrees celsius.
Optionally, in some embodiments of the present application, the reaction time for the first reactant and the second reactant to react to form the nanoparticle is 25 hours to 35 hours.
Optionally, in some embodiments of the present disclosure, the first reactant is formed by reacting a preformed reactant of formula
Figure BDA0002963841890000031
Optionally, in some embodiments of the present application, the mass ratio of the preformed reactants to the deionized water is 0.5-1.8: 5-9.
Optionally, in some embodiments of the present application, the first reactant is formed by shaking the preformed reactant and the deionized water, and the shaking time is 11 hours to 15 hours.
Correspondingly, the embodiment of the present application further provides a sealant, where the sealant includes an additive, and the additive includes any one of the additives described above.
The embodiment of the application discloses an additive, a preparation method thereof and frame glue, wherein the additive is a nanoparticle. In the application, the ductility of the frame glue is improved due to the cross-linked structure of the nano particles, and the pressure resistance of the frame glue is improved by applying the additive to the frame glue; because the nano-particle molecules have hydroxyl groups, hydrogen bonds are formed among the hydroxyl groups, and the additive is applied to the frame glue, so that the toughness of the frame glue is improved, and the performance of the frame glue is improved.
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In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram between nanoparticle molecules provided in embodiments of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
The embodiment of the application provides an additive, a preparation method thereof and frame glue. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
Referring to fig. 1, fig. 1 is a schematic diagram of nanoparticle molecules provided in an embodiment of the present disclosure. The present application provides an additive. The additive is nano-particles, and the structural formula of the nano-particles comprises
Figure BDA0002963841890000041
Figure BDA0002963841890000042
One or a combination of several of (1), R1The structural formula of the group is selected from
Figure BDA0002963841890000043
R2The structural formula of the group is selected from
Figure BDA0002963841890000044
Wherein n is 20-50.
Figure BDA0002963841890000051
Figure BDA0002963841890000052
And the like.
In one embodiment, the nanoparticles have a particle size of 2 nm to 5 nm. Specifically, the particle size of the nanoparticles may be 2.4 nm, 2.8 nm, 3 nm, 3.5 nm, 4.5 nm, 4.7 nm, or the like.
The application provides an additive, the additive is nanoparticles, and the nanoparticles have a cross-linked structure, so that when the additive is applied to an electronic device, the ductility of the structure of the electronic device can be improved, and the performance of the electronic device is further improved; because the nano-particle molecules have hydroxyl groups and hydrogen bonds are formed among the hydroxyl groups, the additive is applied to the electronic device, so that the toughness of the structure of the electronic device is improved, and the performance of the electronic device is improved.
The application also provides a preparation method of the additive, which comprises the following steps:
providing a first reactant and a second reactant, reacting the first reactant and the second reactant to form nanoparticles, the nanoparticles having a structure comprising
Figure BDA0002963841890000061
Figure BDA0002963841890000062
One or a combination of more than one of (1), the first reactant is R1Compound of the group R1The structural formula of the group is selected from
Figure BDA0002963841890000063
The second reactant is R2Compounds of the group R2The structural formula of the group is selected from
Figure BDA0002963841890000064
Wherein n is 20-50.
In one embodiment, the first reactant and the second reactant are reacted in an initiator comprising one or a combination of ammonium persulfate, potassium persulfate, and sodium persulfate.
In one embodiment, the first reactant and the second reactant react to form the nanoparticles at a temperature in a range from 30 degrees Celsius to 50 degrees Celsius.
In one embodiment, the first reactant and the second reactant are reacted to form the nanoparticles for a reaction time in a range from 25 hours to 35 hours.
In one embodiment, the first reactant is formed by reacting a preformed reactant of the formula
Figure BDA0002963841890000071
In one embodiment, the mass ratio of the preformed reactants to the deionized water is from 0.5 to 1.8: 5-9.
In one embodiment, the first reactant is formed by shaking the preformed reactant and deionized water for a period of time ranging from 11 hours to 15 hours.
In one embodiment, when the first reactant is of the formula
Figure BDA0002963841890000072
First reactant
Figure BDA0002963841890000073
Is formed by the reaction of a preformed reactant and deionized water, wherein the structural formula of the preformed reactant is shown in the specification
Figure BDA0002963841890000074
The specific operation steps are as follows:
1 g of the preformed reaction mass is introduced at room temperature
Figure BDA0002963841890000075
Adding 7.9 g of deionized water, and shaking for 12 hours until the prefabricated reactants
Figure BDA0002963841890000081
Uniformly distributed, when the aqueous solution is in a transparent state, and the oil-drop component completely disappears, namely the first reactant with the grain diameter of 3 nanometers is formed
Figure BDA0002963841890000082
Namely for the preformed reactants
Figure BDA0002963841890000083
Dissolving is carried outForming a first reactant after the gelation treatment
Figure BDA0002963841890000084
In one embodiment, when the first reactant is of the formula
Figure BDA0002963841890000085
While the first reactant
Figure BDA0002963841890000086
Is formed by the reaction of a preformed reactant and deionized water, wherein the structural formula of the preformed reactant is shown in the specification
Figure BDA0002963841890000087
The specific operation steps are as follows:
0.7 g of the preformed reactant is added at room temperature
Figure BDA0002963841890000088
Adding 8 g of deionized water, and shaking for 14 hours until the reactants are prepared
Figure BDA0002963841890000091
Uniformly distributed, when the aqueous solution is in a transparent state, and the oil-drop-shaped components completely disappear, namely the first reactant with the particle size of 2 nanometers is formed
Figure BDA0002963841890000092
Namely for the preformed reactants
Figure BDA0002963841890000093
Performing sol-gel treatment to form a first reactant
Figure BDA0002963841890000094
The first reactant has the structural formula
Figure BDA0002963841890000095
The second reactant has the structural formula
Figure BDA0002963841890000096
In one embodiment, the reaction of the first reactant and the second reactant to form the nanoparticle is represented by the following formula:
Figure BDA0002963841890000097
in one embodiment, the first reactant prepared by the above method is taken
Figure BDA0002963841890000098
35 ml of the first reactant
Figure BDA0002963841890000101
To which 24 grams of a second reactant was added
Figure BDA0002963841890000102
And 0.05 grams of ammonium persulfate, second reactant
Figure BDA0002963841890000103
The purity of the ammonium persulfate is 99.5 percent, the mixture is magnetically stirred for 30 minutes, then the mixture is vacuumized and placed in an inert atmosphere such as nitrogen to be heated in a water bath, the hydrothermal temperature is 38 ℃, the reaction is carried out for 30 hours, and after the reaction is finished, nano particles are formed
Figure BDA0002963841890000104
And then drying at room temperature, and grinding into powder for storage after drying.
In one embodiment, the nanoparticles have a particle size of 2 nm to 5 nm. Specifically, the particle size of the nanoparticles may be 2.4 nm, 2.8 nm, 3 nm, 3.5 nm, 4.5 nm, 4.7 nm, or the like.
The first reactant has the structural formula
Figure BDA0002963841890000105
Second reactionThe structural formula of the compound is
Figure BDA0002963841890000106
In one embodiment, the reaction of the first reactant and the second reactant to form the nanoparticle is represented by the following formula:
Figure BDA0002963841890000111
in one embodiment, a first reactant is taken
Figure BDA0002963841890000112
35 ml of the first reactant
Figure BDA0002963841890000113
To which 24 grams of a second reactant was added
Figure BDA0002963841890000114
And 0.05 g of sodium persulfate, magnetically stirring for 40 minutes, vacuumizing, putting in an inert atmosphere such as nitrogen, heating in a water bath at the hydrothermal temperature of 42 ℃, reacting for 35 hours, and forming nanoparticles after the reaction is finished
Figure BDA0002963841890000121
And then drying at room temperature, and grinding into powder for storage after drying.
The first reactant has the structural formula
Figure BDA0002963841890000122
The second reactant has the structural formula
Figure BDA0002963841890000123
In one embodiment, the reaction of the first reactant and the second reactant to form the nanoparticle is represented by the following formula:
Figure BDA0002963841890000124
in one embodiment, 35 ml of the first reactant is taken
Figure BDA0002963841890000131
To the first reactant
Figure BDA0002963841890000132
To which 24 grams of a second reactant was added
Figure BDA0002963841890000133
And 0.05 g of potassium persulfate, magnetically stirring for 50 minutes, vacuumizing, putting in a helium atmosphere, heating in a water bath at 48 ℃, reacting for 27 hours, and forming nanoparticles after the reaction is finished
Figure BDA0002963841890000134
And then drying at room temperature, and grinding into powder for storage after drying.
The first reactant has the structural formula
Figure BDA0002963841890000135
The second reactant has the structural formula
Figure BDA0002963841890000136
In one embodiment, the reaction of the first reactant and the second reactant to form the nanoparticle is represented by the following formula:
Figure BDA0002963841890000137
in one embodiment, 35 ml of the first reactant is taken
Figure BDA0002963841890000141
To the first reactant
Figure BDA0002963841890000142
To which 24 grams of a second reactant was added
Figure BDA0002963841890000143
And 0.05 g of ammonium persulfate, magnetically stirring for 50 minutes, vacuumizing, placing in an argon atmosphere, heating in a water bath at the hydrothermal temperature of 48 ℃, reacting for 27 hours, and forming nanoparticles after the reaction is finished
Figure BDA0002963841890000144
And then drying at room temperature, and grinding into powder for storage after drying.
The application provides a preparation method of an additive, which is used for preparing the additive with a cross-linking structure and hydroxyl groups by reacting a first reactant and a second reactant, is simple to operate and reduces the production cost.
The application also provides the frame glue, which comprises a frame glue material, wherein the frame glue material comprises an additive.
The application provides a frame glue, wherein the additive provided by the application is applied to the frame glue, and nanoparticles with a cross-linked network structure can be formed after the additive is reacted by a first reactant and a second reactant, so that the ductility and the pressure resistance of the frame glue are improved, the performance of the frame glue is improved, the leakage of liquid crystal is avoided, the peeling of an upper substrate and a lower substrate of an electronic device is avoided, and the performance of the electronic device is improved; the additive has hydroxyl groups among the molecules of the nanoparticles formed after the first reactant and the second reactant react, and the nanoparticles have a large number of hydrogen bonds due to the hydroxyl groups, so that the toughness of the frame glue can be improved due to the existence of the hydroxyl groups, and when the frame glue is partially damaged due to excessive stretching, strong bonding can be formed among the hydroxyl groups, namely the hydrogen bonds are formed, so that the frame glue is automatically repaired, namely the stress can be gradually released, the frame glue is prevented from being broken, and the performance of the frame glue is improved.
The embodiment of the application discloses an additive, a preparation method thereof and frame glue, wherein the additive is a nanoparticle. In the application, the additive is applied to the frame glue due to the fact that the nano particles have the cross-linked structure, ductility of the frame glue is improved, and pressure resistance of the frame glue is further improved; because the nano-particle molecules have hydroxyl groups, hydrogen bonds are formed among the hydroxyl groups, and the additive is applied to the frame glue, so that the toughness of the frame glue is improved, and the performance of the frame glue is improved.
The additive, the preparation method thereof, and the sealant provided in the embodiments of the present application are described in detail above, and the principle and the embodiment of the present application are explained in the present application by applying specific examples, and the description of the embodiments above is only used to help understanding the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (9)

1. The additive is characterized in that the additive is a nanoparticle, and the structural formula of the nanoparticle comprises R1-R2、
Figure FDA0003556161940000011
R1-R2-R1And
Figure FDA0003556161940000012
one or a combination of more of the above R1The structural formula of the group is selected from
Figure FDA0003556161940000013
The R is2The structural formula of the group is selected from
Figure FDA0003556161940000014
Wherein n is 20-50; the nano particles have a cross-linked structure, hydroxyl groups are arranged among the molecules of the nano particles, and hydrogen bonds are formed among the hydroxyl groups; the particle size of the nano-particles is 2-5 nm.
2. A method of preparing an additive, comprising:
providing a first reactant and a second reactant, wherein the first reactant and the second reactant react to generate nanoparticles, and the structural formula of the nanoparticles comprises R1-R2、
Figure FDA0003556161940000015
R1-R2-R1
Figure FDA0003556161940000016
The first reactant is R1Compounds of the group R1The structural formula of the group is selected from
Figure FDA0003556161940000021
The second reactant is R2Compounds of the group R2The structural formula of the group is selected from
Figure FDA0003556161940000022
Figure FDA0003556161940000023
Wherein n is 20-50; the nano-particles have a cross-linked structure, hydroxyl groups are arranged among the molecules of the nano-particles, and hydrogen bonds are formed among the hydroxyl groups.
3. The method of claim 2, wherein the first reactant and the second reactant are reacted in an initiator comprising one or a combination of ammonium persulfate, potassium persulfate, and sodium persulfate.
4. The method for preparing the additive according to claim 2, wherein the reaction temperature of the first reactant and the second reactant for generating the nanoparticles is 30-50 ℃.
5. The method of claim 2, wherein the first reactant and the second reactant are reacted to form the nanoparticles for a reaction time of 25 hours to 35 hours.
6. The method of claim 2, wherein the first reactant is formed by reacting a preformed reactant of the formula
Figure FDA0003556161940000024
7. The method of claim 6, wherein the mass ratio of the preformed reactant to the deionized water is 0.5-1.8: 5-9.
8. The method for preparing the additive according to claim 6, wherein the preformed reactant and the deionized water are subjected to a shaking treatment to form the first reactant, and the time of the shaking treatment is 11 hours to 15 hours.
9. A frame sealant, characterized in that the frame sealant comprises an additive, wherein the additive comprises the additive of claim 1.
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