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A kind of mixed organic solvent for preparing high-temperature sintered conductive paste

A conductive paste and organic solvent technology, applied in the field of oily organic solvents, can solve the problems of slow volatilization, achieve stable volatilization, good solubility, and improve affinity

Active Publication Date: 2022-03-11
CHANGCHUN GOLD RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] High-temperature sintered conductive paste requires the solvent used to have the characteristics of slow volatilization under room temperature printing conditions, stable volatilization during the drying stage, and moderate solvent resistance to organic resins, which are usually difficult to meet with a single solvent

Method used

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  • A kind of mixed organic solvent for preparing high-temperature sintered conductive paste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] It is made of the following raw materials:

[0024] Ethylene glycol monohenyl ether acetate 60 wt%;

[0025] Butylkar sollenate 10 wt%;

[0026] 2,2,4-trimethyl-1,3-pentanediol monoisutyrate 5.4% by weight;

[0027] Dimethyl adipate 24 wt%;

[0028] γ-methacryloxypropyl trimethoxysilane 0.1% by weight;

[0029] Silicone oil 1.0% by weight;

[0030] The ethylene glycol monoshenyl ether acetate is prepared from the following materials and methods:

[0031] The molar ratio of ethylene glycol single-phenyl ether and acetic anhydride is 1: 1.5, toluene 20 wt%, and the sulfonic acid-based molecular sieve;

[0032] A moisture 2, a spherical condensed tube 3, a spherical condensed tube 3, and a magnetic stirring condition in a round bottom flask 1, and the toluene is heated to the toluene reflux, and the toluene is stable and refluxed. Cooled to room temperature, distilled, and the main fraction was charged.

Embodiment 2

[0034] It is made of the following raw materials:

[0035] Slithenyl ether acetate 10 wt%;

[0036] 60% by weight of butylkin alcoholacerate;

[0037] 2,2,4-trimethyl-1,3-pentanediol diisobutyrate 1 wt%;

[0038] Dimethyl adipate 2%;

[0039] γ-methacryloxypropyl trimethoxysilane 0.5% by weight;

[0040] 0.5 wt% of silicone oil.

[0041] The propylene glycol monoshenyl ether acetate according to the present invention is prepared from the following raw materials and methods:

[0042] The molar ratio of propylene glycol monoenzene ether and acetic anhydride is 1: 1.1, toluene 15 wt%, a moderate amount of sulfonic acid-based molecular sieve;

[0043] Detainer 2, spherical condensed tube 3, magnetic stirring conditions in the round bottom flask 1, and the toluene is heated to toluene reflux, and the toluene is stable and refluxed; remove the moisture, add a dryer; to be mixed Cooled to room temperature, distilled, and the main fraction was charged.

Embodiment 3

[0045] It is made of the following raw materials:

[0046] A monophhenylene ether oxide of propylene glycol is 35 wt%;

[0047] Butylkin alcohol acetate 35 wt%;

[0048] 2,2,4-trimethyl-1,3-pentanediol monoibutyrate 5 wt%, 2,2,4-trimethyl-1,3-pentanediol diisobutyrate 5 wt%;

[0049] Ethylene dimethyl diethyl ester;

[0050] γ-methylpropionyloxypropyl trimethoxysilane 0.3% by weight;

[0051] Silicone oil 1.5 wt%.

[0052] The propylene glycol monophenyl ether oxide according to the present invention is prepared from the following raw materials and methods:

[0053] The molar ratio of propylene glycol monoenzene ether to butyric anhydride is 1: 1.3, toluene 10 wt%, a moderate amount of sulfonic acid-based molecular sieve;

[0054] Adding a moisture 2, a spherical condensed tube 3, a magnetic stirring condition in a round bottom flask 1, a toluene reflux, retaining toluene, removing a moisture, and add a dryer; Cooled to room temperature, distilled, and the main fraction was charge...

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Abstract

The invention relates to a mixed organic solvent used for preparing high-temperature sintered conductive paste, belonging to the technical field of oily organic solvents. Including 10-60wt% fatty acid ester containing phenyl ether structure, 10-60wt% butyl carbitol acetate, 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate, 2 , at least one of 2,4-trimethyl-1,3-pentanediol diisobutyrate 0.1-10 wt%, dimethyl adipate 10-30 wt%, γ-methacryloxypropane Trimethoxysilane 0.1-0.5wt%, silicone oil 0.5-1.5wt%. The advantage is that it has the characteristics of good solubility to resin, good wettability to metal particles, no volatilization at room temperature, stable volatilization at high temperature, etc. It can well dissolve a variety of resins commonly used in photovoltaic front silver paste. The traditional single solvent system is more suitable for the needs of silver paste printing and sintering; the invention has simple reaction conditions and high product yield, and has good application prospects in the photovoltaic industry and electronic conductive paste related fields.

Description

Technical field [0001] The present invention is a technical field of oily organic solvent, and more particularly to a mixed organic solvent for preparing high temperature sintered conductive slurry. Background technique [0002] Oily organic solvent is widely used, the most common aliphatic hydrocarbon solvent is used for coatings, printed inks, alcohol ester solvents of the long carbon chain, more for cosmetics, perfumes, pharmaceuticals, electron slurrys and more. The solvent in the metal conductive slurry used in the photovoltaic industry also plays an important role. [0003] Metal conductive slurry is one of the most important materials in the field of electronic industries. As the industry's continuous development of the industry is also increasing for the requirements of slurry conductive, printing, welding and other performance. Among them, the front slurry of photovoltaic slurry must be printed, dried, and sintering during its use, each step must be met to ensure the qua...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B1/22
CPCH01B1/22
Inventor 李雪嵩高健宝尹超刘鹏邢志军
Owner CHANGCHUN GOLD RES INST
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