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Organic silicon modified epoxy composite resin with fluorescence characteristics

A composite resin, fluorescent technology, applied in luminescent materials, luminescent coatings, coatings, etc., can solve the problems of poor stress cracking resistance, poor heat resistance, low impact resistance, etc., and achieve low surface energy and thermal stability. Good, low temperature and good flexibility

Inactive Publication Date: 2020-05-08
SUZHOU JIREN HIGH TECH MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In traditional anti-corrosion coatings, epoxy resin as a polymer resin has always played an important role. Its cured paint film has the advantages of strong adhesion to the substrate, small curing shrinkage, high mechanical properties, and good chemical stability. During use after curing, it also has disadvantages such as low impact resistance, poor stress crack resistance, and poor heat resistance.

Method used

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  • Organic silicon modified epoxy composite resin with fluorescence characteristics
  • Organic silicon modified epoxy composite resin with fluorescence characteristics
  • Organic silicon modified epoxy composite resin with fluorescence characteristics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A silicone-modified epoxy composite resin with fluorescent properties, in terms of mass percentage, the silicone-modified epoxy composite resin is made of the following raw materials:

[0024] Amino silicone oil, 10wt%;

[0025] Four p-carboxytetraphenylethene, 1wt%;

[0026] Bisphenol A type epoxy resin, 89wt%;

[0027] Wherein, the organosilicon-modified epoxy composite resin is obtained through the following steps:

[0028] Step 1: Mix amino silicone oil and tetra-p-carboxytetraphenylethylene according to the designed amount to prepare a mixed solution, add dibutyltin dilaurate catalyst to the mixed solution, raise the temperature to 60°C, stir and heat for 24 hours to obtain the modified Intermediate of amino silicone oil;

[0029] Step 2, mix the modified amino silicone oil intermediate prepared in step 1 with the designed amount of bisphenol A epoxy resin, raise the temperature to 200°C, stir and heat for 12 hours, and cool to obtain the fluorescent characteris...

Embodiment 2

[0034] A silicone-modified epoxy composite resin with fluorescent properties, in terms of mass percentage, the silicone-modified epoxy composite resin is made of the following raw materials:

[0035] Amino silicone oil, 24wt%;

[0036] Four-p-carboxytetraphenylethene, 0.1wt%;

[0037] Bisphenol A type epoxy resin, 75.9wt%;

[0038] Wherein, the organosilicon-modified epoxy composite resin is obtained through the following steps:

[0039] Step 1: Mix amino silicone oil and tetra-p-carboxytetraphenylethylene according to the designed amount to prepare a mixed solution, add dibutyltin dilaurate catalyst to the mixed solution, raise the temperature to 75°C, stir and heat for 16 hours to obtain the modified Intermediate of amino silicone oil;

[0040] Step 2, mix the modified amino silicone oil intermediate prepared in step 1 with the designed amount of bisphenol A epoxy resin, raise the temperature to 180°C, stir and heat for 18 hours, and cool to obtain the fluorescent charact...

Embodiment 3

[0045] A silicone-modified epoxy composite resin with fluorescent properties, in terms of mass percentage, the silicone-modified epoxy composite resin is made of the following raw materials:

[0046] Amino silicone oil, 23wt%;

[0047] Four p-carboxytetraphenylethene, 2wt%;

[0048] Bisphenol A type epoxy resin, 75wt%;

[0049] Wherein, the organosilicon-modified epoxy composite resin is obtained through the following steps:

[0050] Step 1: Mix amino silicone oil and tetra-p-carboxytetraphenylethylene according to the designed amount to prepare a mixed solution, add dibutyltin dilaurate catalyst to the mixed solution, raise the temperature to 90°C, stir and heat for 4 hours to obtain the modified Intermediate of amino silicone oil;

[0051] Step 2, mix the modified amino silicone oil intermediate prepared in step 1 with the designed amount of bisphenol A epoxy resin, raise the temperature to 150°C, stir and heat for 24 hours, and cool to obtain the fluorescent characterist...

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Abstract

The invention discloses an organic silicon modified epoxy composite resin with fluorescence characteristics. The organic silicon modified epoxy composite resin is prepared from the following raw materials in percentage by mass: 10-24 wt% of amino silicon oil, 5-8 wt% of tetra-p-carboxytetraphenyl ethylene and 75-89 wt% of bisphenol A epoxy resin. According to the invention, fluorescent molecules with an aggregation-induced emission effect are connected to the composite resin through chemical bonds, and the intramolecular rotation of the fluorescent molecules is inhibited due to the combined action of polymer chain coating and chemical bond connection, so the fluorescence emission behavior of the resin is realized.

Description

technical field [0001] The invention relates to the field of anticorrosion resins, in particular to a silicone-modified epoxy composite resin with fluorescent properties. Background technique [0002] In the field of material surface anti-corrosion, it is well known that anti-corrosion coatings with different components are used to achieve material surface anti-corrosion. For material anti-corrosion engineering, anti-corrosion coatings have been playing an important role due to their advantages such as simple and convenient construction process, significant effect, low cost, outstanding performance and long life. In the process of researching and improving the anticorrosion performance of anticorrosion coatings, the inventors have found that the anticorrosion coatings in the prior art have at least the following problems: [0003] In traditional anti-corrosion coatings, epoxy resin as a polymer resin has always played an important role. Its cured paint film has the advantag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G81/00C08G77/38C08G77/42C09D187/00C09D183/10C09D5/22C09D5/08C09K11/06
CPCC08G77/38C08G77/42C08G81/00C09D5/08C09D5/18C09D5/22C09D183/10C09D187/005C09K11/06
Inventor 李为立吉富华徐泽孝
Owner SUZHOU JIREN HIGH TECH MATERIAL CO LTD
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