Nanometer modified long-afterglow energy-accumulating luminous paint

A technology of luminescent paint and nano-modification, applied in luminescent paint and other directions, can solve the problem of late energy storage luminescent paint, and achieve the effect of improving luminous intensity

Inactive Publication Date: 2006-03-01
DALIAN MARITIME UNIVERSITY
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  • Abstract
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AI Technical Summary

Problems solved by technology

The research on energy-storage luminescent coatings in my country is relatively late, but it is developing rapidly, and the application of various aspects is in the exploratory stage. The research on the application of nano-materials in luminescent coatings is an important topic that the industry pays attention to.

Method used

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Experimental program
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Embodiment Construction

[0014] A nano-modified long-lasting energy-storage luminous paint, characterized in that it consists of 0.05-30% of nano-titanium dioxide, 10-50% of luminescent pigments, 30-60% of film-forming substances (organic resins or emulsions), and 0-10% of pigments and fillers. %, solvent (organic solvent or water) 0-5%, dispersant 0.01-5% and other additives 0-8%. When its composition and content are nano-titanium dioxide 0.05-5%, luminous pigment 25-35%, film-forming substance (organic resin or emulsion) 50-60%, pigment and filler 0-10%, solvent 0-5%, dispersion 0.01-3% additive and 0-5% additive is the best solution. The additives described in the above scheme include defoamers, antifungal agents, and / or thickeners and other common coating additives.

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Abstract

The nanometer modified long-afterglow energy-accumulating luminous paint features that it is prepared with nanometer titania 0.05-30 wt%, luminous pigment 10-50 wt%, filming material 30-60 wt%, pigment and stuffing 0-10 wt%, solvent 0-5 wt%, dispersant 0.01-5 wt% and other assistants 0-8 wt%. Its preparation process includes dispersing nanometer titania and dispersant inside partial solvent; adding luminous pigment powder, solvent, filming material and pigment and stuffing in certain proportion via stirring for 30-60 min; and adding other assistants and dispersing for other 10-30 min; and filteing. The nanometer modified long-afterglow energy-accumulating luminous paint has wide application in emergency lighting, indication mark and decoration engineering.

Description

technical field [0001] The present invention relates to luminescent materials, in particular to inorganic luminescent materials. Background technique [0002] At present, there are two main types of energy storage luminescent materials used in the coating industry, namely zinc sulfide ZnS luminescent materials and rare earth activated alkaline earth metal aluminate luminescent materials. A typical representative of zinc sulfide-based energy storage luminescent materials is zinc sulfide activated by copper and cobalt, which is light yellow powder. Zinc sulfide-based luminescent materials have always been considered as a long-lasting luminescent material and are used in many fields. However, the afterglow of this material can only last for 1 to 2 hours, and it does not have sufficient brightness in many applications, and it is easy to deteriorate after being exposed to ultraviolet rays or oxygen. Sometimes radioactive elements such as deuterium and promethium pm-147 are ofte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/22
Inventor 张占平齐育红马永庆刘德良
Owner DALIAN MARITIME UNIVERSITY
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