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A kind of dual curing peelable water-based paint and preparation method thereof

A dual-curing, water-based coating technology, applied in the direction of antifouling/underwater coatings, coatings, paints containing biocides, etc., can solve the problems such as difficult to cure completely, and achieve the effect of easy control, short drying time and simple process

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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, free radical UV curing without light is not easy to cure completely

Method used

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  • A kind of dual curing peelable water-based paint and preparation method thereof
  • A kind of dual curing peelable water-based paint and preparation method thereof
  • A kind of dual curing peelable water-based paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A dual-curing peelable water-based paint, calculated in parts by weight, its raw material composition and content are as follows:

[0043]

[0044] Wherein, the UV-curable water-based resin is the JAZO emulsion of Nanjing Jiazhong Chemical Technology Co., Ltd.;

[0045] The thermal initiator is dibenzoyl peroxide;

[0046] The photoinitiator is the water-based photoinitiator 819-DW provided by Tianjin Heinz Technology Development Co., Ltd.;

[0047] The anti-mildew and antibacterial agent is XK-02B of Nantong Boda Biochemical Co., Ltd.;

[0048] Described leveling agent is BYK 346 of BYK company;

[0049] Described wetting agent is NP-100 of American Dow Company;

[0050] The thickener is RM 825 of Rohm and Haas Co., Ltd.;

[0051] The defoamer is Nopco NXZ from Henkel, Germany;

[0052] The film-forming aid is dipropylene glycol butyl ether of Dow Chemical Company;

[0053] The water-based release agent is a silica dispersion;

[0054] The preparation method ...

Embodiment 2

[0060] A dual-curing peelable water-based paint, calculated in parts by weight, its raw material composition and content are as follows:

[0061]

[0062] Wherein, the UV curable water-based resin is the JAZO emulsion of Nanjing Jiazhong Chemical Technology Co., Ltd.;

[0063] The thermal initiator is azobisisobutyronitrile;

[0064] Described photoinitiator is the aqueous photoinitiator 819-DW that Tianjin Heinz Technology Development Co., Ltd. provides;

[0065] The anti-mildew and antibacterial agent is XK-02B of Nantong Boda Biochemical Co., Ltd. formula;

[0066] The leveling agent is German BYK BYK-UV3510;

[0067] Described wetting agent is the NP-100 of U.S. Dow Company;

[0068] The thickener is the RM-8W water-based nonionic associative rheology modifier provided by Guangzhou Hengyu Chemical Co., Ltd.;

[0069] Described defoamer is the Nopco NXZ of German Henkel Company;

[0070] Described film-forming aid is the dipropylene glycol butyl ether of U.S. Dow Ch...

Embodiment 3

[0078] A dual-curing peelable water-based paint, calculated in parts by weight, its raw material composition and content are as follows:

[0079]

[0080]

[0081] The preparation method of this dual curing peelable water-based coating specifically comprises the steps:

[0082] According to the formula, add 0.15 parts of wetting agent, 0.3 parts of defoamer and 40ml of deionized water into the GFJ-0.4 high-speed disperser (Shanghai Xinnuo Instrument Equipment Co., Ltd.), disperse at 700r / min for 18min, and then Add 16 parts of water-based stripping agent, disperse at 2000r / min for 40 minutes, then reduce the speed to 300r / min, add 80 parts of UV-curable water-based resin and the remaining 0.3 parts of defoamer, 0.15 parts of wetting agent and 2 parts of enhancer Thickener, 0.06 parts of leveling agent, 3 parts of film-forming aid, 4 parts of thermal initiator, 4 parts of photoinitiator, 0.2 part of anti-corrosion and anti-fungal agent and stir well, continue to disperse ...

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Abstract

The present invention belongs to the technical field of polymer materials, and particularly relates to a dual-curing peelable aqueous coating material and a preparation method thereof, wherein the raw materials comprise, by weight, 50-100 parts of a UV curable aqueous resin, 0.05-0.1 part of a leveling agent, 0.1-0.5 part of a wetting agent, 1-3 part of a thickener, 0.2-1 part of a defoamer, 2-5 parts of a film forming aid, 3-6 parts of a photoinitiator, 3-6 parts of a thermal initiator, 0.1-0.3 part of an anti-mildew and antibacterial agent, and 10-20 parts of an aqueous peeling agent. The preparation method comprises: adding partial wetting agent, partial defoamer and deionized water to a high-speed disperser, dispersing, adding an aqueous peeling agent, adding a UV curable aqueous resin, the remaining defoamer, the remaining wetting agent, a thickener, a leveling agent, a film forming aid, a thermal initiator, a photoinitiator and an anti-mildew and antibacterial agent, uniformly stirring, continuously dispersing, uniformly mixing, and filtering so as to obtain the product. The dual-curing peelable aqueous coating material of the present invention has characteristics of environmental protection, complete drying, relatively short drying time, good anti-rust effect, and good peeling effect.

Description

[Technical field] [0001] The invention belongs to the technical field of polymer materials, in particular to a dual-curing peelable water-based paint and a preparation method thereof. [Background technique] [0002] Peelable coating is a temporary protective material with macromolecule as the main film-forming material. It is sprayed on the surface of the object when used, and after film-forming, it can protect the object to be coated for a short time; The film layer is gently peeled off from the surface of the coated object by hand, which will not only cause no damage to the surface of the coated object, but also make the original device look as clean as new. Peelable coatings are widely welcomed by industries such as instruments, meters, home appliances, machinery, automobiles, electronic appliances and other industries because of their convenient coating and easy peeling, and have developed rapidly. [0003] Although UV peelable coatings do not need solvent volatilizatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D5/20C09D5/14
CPCC09D5/14C09D5/20
Inventor 张英强梁华丽李烨
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