Visible light cured metal paint

A metal coating and visible light technology, applied in the direction of coating, etc., can solve problems such as difficult to popularize and use, expensive visible light initiator, inconvenient use, etc.

Inactive Publication Date: 2004-09-08
ZHUHAI DONGCHENG UV MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These visible light initiators are very expensive and difficult to popularize; in addition, CN1215421A discloses a visible light polymerizable composition, which contains a combination of polythiol and acylphosphine oxide initiators, but the storage period of the composition is only about one week, and it is very difficult to use. inconvenient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Bisphenol A epoxy acrylate 20wt%

[0083] TPGDA 25wt%

[0084] TMPTA 37wt%

[0085] DEA-TMPTA 15wt%

[0086] ITX 3wt%

[0087] Mix the above-mentioned components according to the stated ratio, and stir evenly to prepare the visible light-curable metal coating.

[0088] Uses: high gloss varnish

[0089] The sample formulation of Example 1 had a curing time of 5 seconds under an indium lamp.

Embodiment 2

[0093] Bisphenol A epoxy acrylate 15wt%

[0094] Urethane acrylate 5wt%

[0095] HDDA 37wt%

[0096] TMPTA 25wt%

[0097] DEA-TMPTA 16wt%

[0098] 819 2wt%

[0099] Mix the above-mentioned components according to the stated ratio, and stir evenly to prepare the visible light-curable metal coating.

[0100] Uses: high gloss varnish

[0101]The sample formulation of Example 2 had a cure time of 5 seconds under an indium lamp.

Embodiment 3

[0105] Bisphenol A epoxy acrylate 5wt%

[0106] Acrylic copolymer 10wt%

[0107] PO-NPGDA 20wt%

[0108] EO-TMPTA 25wt%

[0109] EHA 15wt%

[0110] DEA-TMPTA 18wt%

[0111] TPO 2wt%

[0112] OK-500 5wt%

[0113] The above-mentioned components are mixed according to the stated ratio and stirred evenly to prepare the visible light-curable metal coating.

[0114] Uses: semi-matt varnish

[0115] The sample formulation of Example 3 had a cure time of 6 seconds under an indium lamp.

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PUM

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Abstract

The present invention relates to metal paint, and is especially visible light cured paint for the surface protection and decoration of various kinds of metal. The visible light cured paint for metal consists of prepolymer of unsaturated olefin radical 0-20 wt%, monomer of unsaturated olefin radical 20-80 wt%, light initiator 1-10 wt%, initiator assistant 0.5-30 wt%, assistant 0-10 wt%, stuffing or pigment 0-40 wt% and solvent 0-30 wt%. The visible light cured paint may be used widely in surface coating of iron and steel, aluminum, copper and other metals and alloys.

Description

technical field [0001] The invention belongs to the field of coatings for metals, in particular to visible light-curable metal coatings used for the protection and decoration of various metal surfaces. Background technique [0002] At present, the coatings used in metal surface treatment mainly include alkyd paint, acrylic baking paint, electrophoretic paint and powder coating. Alkyd paint has high VOC content and poor physical and chemical properties of the paint film; acrylic baking paint, electrophoretic paint and powder coating all have disadvantages such as high equipment investment cost, long drying time, and high energy consumption. [0003] UV-curable coating is a low-odor, low-toxicity, low-VOC and fast-curing coating that has been successfully applied to the surface coating of wood, paper, plastic and metal. However, UV curing technology still has its disadvantages: first, UV curing requires special equipment, and some objects with irregula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/00
Inventor 周立辉李东民
Owner ZHUHAI DONGCHENG UV MATERIALS
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