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Ultraviolet curable adhesive composition based on azacyclo-acrylate compound as well as use method and application thereof

An acrylate, nitrogen heterocycle technology, applied in non-polymer organic compound adhesives, adhesives, photovoltaic power generation and other directions, can solve the problems of high water and oxygen insulation, high thermal stability, high adhesion, etc., to achieve adhesion Improves, improves heat resistance and stability, and reduces volume shrinkage

Active Publication Date: 2021-11-23
XIAN SMART MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the packaging of optoelectronic devices requires materials to meet the requirements of high light transmittance, high curing rate, high adhesion, low volume shrinkage, high thermal stability, and high water-oxygen barrier, but the current system cannot meet the above requirements

Method used

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  • Ultraviolet curable adhesive composition based on azacyclo-acrylate compound as well as use method and application thereof
  • Ultraviolet curable adhesive composition based on azacyclo-acrylate compound as well as use method and application thereof
  • Ultraviolet curable adhesive composition based on azacyclo-acrylate compound as well as use method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] This embodiment provides a UV-curable adhesive composition based on azacyclic acrylate compounds, which is referred to as composition (1), and the components used are as follows:

[0046] (A) Aziridine compound monomer: (A1) a monomer containing formula 2, formula 8 (n=1);

[0047] (B) Photocurable monomers: (B1) 2-phenylethyl (meth)acrylate, (B2) 1,10-decanediol dimethacrylate;

[0048] (C) Photocrosslinking initiator: 2,4,6-trimethylbenzoyl-diphenylphosphine oxide.

[0049] In a brown glass bottle, add 15% (A1), 40% (B1), 40% (B2) and 5% (C) by mass, shake and mix at room temperature for 2 hours, and then filter to obtain composition (1); Then, the composition (1) was coated on the surface of the ITO substrate by inkjet printing to form a sample with a size of 10cm×10cm×10μm (length×width×thickness), and then a 100mW / cm 2 The UV curing equipment cures the encapsulation composition by ultraviolet curing for 10-30s, and finally forms the encapsulation protective film....

Embodiment 2

[0060] This embodiment provides a UV-curable adhesive composition based on azacyclic acrylate compounds, which is referred to as composition (2), and the components used are as follows:

[0061] (A) aziridine ester compound monomer: (A2) monomer containing formula 2, formula 8 (n=3);

[0062] (B) Photocurable monomers: (B1) 2-phenylethyl (meth)acrylate, (B2) 1,10-decanediol dimethacrylate;

[0063] (C) Initiator: 2,4,6-trimethylbenzoyl-diphenylphosphine oxide.

[0064] In a brown glass bottle, add 15% (A2), 40% (B1), 40% (B2) and 5% (C) by mass, shake and mix at room temperature for 2 hours, and then filter to obtain composition (2); Then, the composition (2) was coated on the surface of the ITO substrate by inkjet printing to form a sample with a size of 10cm×10cm×10μm (length×width×thickness), and then a 100mW / cm 2 The UV curing equipment cures the packaging composition by ultraviolet curing for 10-30s, and finally forms a packaging protective film.

Embodiment 3

[0066] This embodiment provides a UV-curable adhesive composition based on azacyclic acrylate compounds, which is referred to as composition (3), and the components used are as follows:

[0067] (A) Aziridine compound monomer: (A1) a monomer containing formula 2, formula 8 (n=1);

[0068] (B) Photocurable monomers: (B1) 2-phenylethyl (meth)acrylate, (B2) 1,10-decanediol dimethacrylate;

[0069] (C) Initiator: 2,4,6-trimethylbenzoyl-diphenylphosphine oxide.

[0070] In a brown glass bottle, add mass percentages of 80% (A1), 5% (B1), 10% (B2) and 5% (C), shake and mix at room temperature for 2 hours, and then filter to obtain composition (3); Then, the composition (3) was coated on the surface of the ITO substrate by means of inkjet printing to form a sample with a size of 10cm×10cm×10μm (length×width×thickness), followed by a 100mW / cm 2 The UV curing equipment cures the packaging composition by ultraviolet curing for 10-30s, and finally forms a packaging protective film.

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Abstract

The invention belongs to the technical field of organic thin films, and relates to an ultraviolet curable adhesive composition based on an azacyclo-acrylate compound as well as a use method and application thereof. According to the ultraviolet curable adhesive composition, the viscosity, the tension, the curing rate, the light transmittance and the like of the ultravioletcurable adhesive composition are adjusted by adjusting the mass mixing ratio of an azacyclo-acrylate compound monomer, a photocurable monomer and a photocrosslinking initiator, so that an efficient and stable packaging protection layer is prepared. The azacyclo-acrylate compound monomer has relatively large steric hindrance because of the structure of the azacyclo-acrylate compound monomer, so that the volume shrinkage caused by curing can be effectively reduced. A nitridation bond in the nitrogen heterocyclic ring can be tightly combined with a chemical bond in a silicon base, so that the adhesiveness of an ultraviolet curale adhesive composition colloid is improved. In addition, the azacyclo-acrylate compound monomer can effectively improve the heat resistance and stability of the packaging composition.

Description

technical field [0001] The invention belongs to the technical field of organic thin films, and relates to an ultraviolet light curing composition, in particular to an ultraviolet light curing adhesive composition based on an azacyclic acrylate compound and its use method and application. Background technique [0002] With the development of science and technology, the upgrading of electronic products is also changing with each passing day. Many display devices have also changed from bulky and rigid to thin and foldable, which will inevitably put forward higher requirements for the performance and life of display devices. Part of the performance and life is determined by its own characteristics, and the other part is guaranteed and extended by the external packaging protection. The packaging of light-emitting devices has special requirements for packaging materials, specifically: the packaging material is required to have good optical properties, such as light transmittance a...

Claims

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Application Information

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IPC IPC(8): C09J4/02H01L51/44H01L51/52
CPCC09J4/00H10K30/88H10K50/8426Y02E10/549
Inventor 吴朝新毋妍妍周桂江雷霆
Owner XIAN SMART MATERIALS CO LTD
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