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Double-component crosslinking agent, preparation method and applications thereof

A cross-linking agent and two-component technology, which is applied in the field of two-component cross-linking agent and its preparation, can solve problems affecting device performance, high curing temperature, etc., and achieve the effect of simple and effective method, low cost and easy raw materials

Active Publication Date: 2015-03-11
杭州领挚科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, most photocrosslinking also requires some photoinitiators and catalysts, some of which are strong acids and alkalis, which will greatly affect device performance
In addition, most of the thermally crosslinked insulating layer materials currently used have relatively high curing temperatures (greater than 150°C). High crosslinking temperatures will cause a series of problems for some flexible substrates, and the crosslinking process will also affect device performance. by-product of

Method used

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  • Double-component crosslinking agent, preparation method and applications thereof
  • Double-component crosslinking agent, preparation method and applications thereof
  • Double-component crosslinking agent, preparation method and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Example 1. Preparation method of novel crosslinking agent

[0064] This embodiment provides a method for preparing a novel crosslinking agent. The crosslinking agent includes a silane compound containing an alkyne bond and a silane compound containing an azide group. Its structure is shown in the following formula (I). figure 1 .

[0065]

[0066] 1.1. Preparation of silane compounds containing acetylenic bonds (A)

[0067] The structural formula of the acetylene bond-containing silane compound A is as follows, and the preparation method is as follows:

[0068]

[0069] see figure 2 Is the hydrogen nuclear magnetic resonance spectrum of silane compound A containing acetylenic bond ( 1 H-NMR); image 3 Is the carbon NMR spectrum of silane compound A containing acetylenic bond ( 13 C-NMR); Figure 4 This is the infrared absorption spectrum (FT-IR) of the acetylene bond-containing silane compound A.

[0070] The preparation method is as follows: add propynol (1.12g, 21.0mmol) and...

Embodiment 2

[0081] Example 2: Infrared absorption spectrum, differential calorimetric scanning analysis and thermogravimetric analysis of cross-linked polystyrene material

[0082] The crosslinking agent used in this example is the novel crosslinking agent prepared in Example 1, blended with polystyrene; the weight ratio of polystyrene, acetylene bond-containing silane compound, and azide group-containing silane compound is 20:10:10, the solvent is dichloromethane) After spin-coating on the silicon wafer, the infrared absorption spectrum is characterized; the solid obtained after the mixed solution is vacuum dried is used for differential calorimetric scanning analysis and thermogravimetric analysis.

[0083] Picture 8 The infrared absorption spectrum of the thermally crosslinked polystyrene material after spin coating is given, and the spectrum is 2100cm -1 And 3290cm -1 The absorption peaks of are the characteristic absorption peaks of azide group and acetylene bond, respectively, indicatin...

Embodiment 3

[0084] Example 3. Infrared absorption spectrum, differential calorimetric scanning analysis and thermal analysis of crosslinked polymethyl methacrylate material Reanalysis

[0085] The crosslinking agent used in this example is the new crosslinking agent prepared in Example 1, blended with polymethyl methacrylate; polymethyl methacrylate, acetylene bond-containing silane compound, azide group-containing The weight ratio of the silane compound is 20:10:10, and the solvent is dichloromethane). After spin-coating on the silicon wafer, the infrared absorption spectrum is characterized; the solid obtained after the mixed solution is vacuum dried is used for differential calorimetric scanning analysis and thermal analysis. Re-analyze.

[0086] Picture 11 The infrared absorption spectrum of the thermally crosslinked polymethyl methacrylate material after spin coating is given, and the spectrum is 2100cm -1 And 3290cm -1 The absorption peaks of are respectively the characteristic absorp...

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Abstract

The invention discloses a double-component crosslinking agent, a preparation method and applications thereof. The double component crosslinking agent comprises an acetylenic-bond-containing silane compound represented by the formula (I) and an azide-group-containing silane compound represented by the formula (II). The crosslinking can be achieved by heating the double-component crosslinking agent so as to trigger azide-alkyne cyclization reactions. Thus a crosslinked polymer insulation layer material can be prepared without any metal catalyst at a low temperature, and no by-product is generated during the process. The preparation technology is simple, and is suitable for various polymer materials such as polystyrene, polymethyl methacrylate, poly(p-vinylphenol), and the like. The obtained material is a potential transistor grid insulation layer material with an organic field effect, can be used to prepare various OFETs devices through a solution method, and has a very wide application prospect.

Description

Technical field [0001] The invention relates to a two-component crosslinking agent and its preparation method and application. Background technique [0002] Organic field-effect transistors (organic field-effect transistors, OFETs) are transistor devices with organic semiconductor materials as the active layer, and are one of the important organic semiconductor devices. Organic field effect transistors have many advantages compared with non-field effect transistors: 1. It has mechanical flexibility, is compatible with plastic substrates, and can be used in foldable products; 2. The manufacturing process is simple, and does not require high temperature and high vacuum. And complex lithographic printing technology; 3. The preparation process is simple and the cost is low; 4. The organic matter is easy to obtain, and the performance of the field effect transistor can be easily adjusted through the chemical modification of the organic molecules; 5. The large area can be realized. Sc...

Claims

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Application Information

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IPC IPC(8): C08K5/5419C08K5/544C08J5/18C08J3/24C08L25/06C08L33/12C08L25/18C07F7/18H01L51/30
Inventor 李胜夏张清
Owner 杭州领挚科技有限公司
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