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High-viscosity curing agent composition

A technology of composition and curing agent, applied in the field of high-viscosity curing agent composition, can solve the problems of high cost, loss of marketization significance, insufficient bonding strength, etc.

Inactive Publication Date: 2016-01-13
华玉叶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, most of the existing curing agents have insufficient bonding strength, or can provide close bonding strength, but the cost is high, which loses market significance

Method used

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  • High-viscosity curing agent composition
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  • High-viscosity curing agent composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] I. the synthesis of formula 1 compound

[0015]

Synthetic example

[0016] The compound described in Formula 1 is a known compound, which can be purchased commercially or prepared synthetically by those skilled in the art. Its typical but non-limiting synthetic examples are as follows:

[0017] A solution A in which 18.82 g of m-xylene diisocyanate was dissolved in 100 g of isopropanol, and a solution B in which 25.3 g of hydrazine was dissolved in 100 g of isopropanol were prepared. While stirring the solution B in the three-necked flask while controlling it at 30° C., the solution A was added dropwise at a rate of 1.4 g / min. After the dropwise addition of the solution A was completed, the reaction solution was measured with a Fourier transform infrared spectrophotometer, and it was confirmed that the 2250 cm from the isocyanate group -1 The reaction was terminated after the disappearance of the nearby peak. It reacted so that hydrazine may be 5 mol (1:5 by molar ratio) with respect to 1 mol of m-xylene diisocyanate.

[0018] After the rea...

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PUM

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Abstract

The invention discloses a high-viscosity curing agent composition. The curing agent composition achieves higher bonding strength by compounding different types of curing agents.

Description

technical field [0001] The invention relates to a high-viscosity curing agent composition, in particular to a high-viscosity curing agent composition suitable for bonding display elements such as liquid crystals. Background technique [0002] Curing agent, also known as hardening agent, curing agent or stabilizer, is a kind of substance or mixture that promotes or controls the curing reaction. Resin curing is through chemical reactions such as condensation, ring closure, addition or catalysis, so that the thermosetting resin undergoes an irreversible change process, and curing is completed by adding a curing (crosslinking) agent. Curing agent is an essential additive, whether it is used as adhesives, coatings, or castables, it is necessary to add a curing agent, otherwise the epoxy resin cannot be cured. [0003] In recent years, along with the enlargement of the display part of a liquid crystal display and the narrowing of a frame, the thinning of a sealant is progressing....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G59/60C08G59/54
Inventor 华玉叶
Owner 华玉叶