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Water-based paint drying method

A drying method and technology of water-based paint, applied in the direction of pretreatment surface, coating, device for coating liquid on the surface, etc., can solve the problems of poor adhesion, long drying time, easy cracking of the board, etc., and shorten the processing cycle. , Completely dry, not easy to crack

Inactive Publication Date: 2019-03-01
JOMOO KITCHEN & BATHROOM
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] Therefore, there are at least one of the following problems in the drying of water-based paints: long drying time; incomplete drying leads to opaque color, poor adhesion, insufficient hardness, whitening, etc.; the board is easy to crack

Method used

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  • Water-based paint drying method

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Embodiment Construction

[0019] Embodiment, a kind of water-based paint drying method of the present invention, carry out microwave drying first, then carry out infrared and hot air mixed drying, wherein, microwave drying temperature is 25~80 ℃, drying time is 5~120 minutes; Infrared and hot air mixed drying The temperature is 25-80°C, and the drying time is 5-120 minutes.

[0020] In this embodiment, the microwave frequency of the microwave drying is 2.45GHz±25MHz, the power is ≥24kW, and the microwave adopts decimeter waves. Specifically, the wavelength of the microwave is 10-50 cm, and the preferred wavelength range is 10-15 cm, and the optimal value is 12.25 cm. The temperature of the microwave drying further ranges from 30°C to 65°C, and a preferred temperature range is from 40°C to 50°C.

[0021] In this embodiment, the wavelength of the infrared drying is 25-660nm, and the power is ≥24kW. The power of the hot air drying is ≥24kW, and the wind speed is 0.5-5m / s. The preferable temperature ran...

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Abstract

The invention discloses a water-based paint drying method. The drying process of the water-based paint is as follows, firstly, microwave drying is carried out, then infrared and hot air mixed drying is carried out, wherein the microwave drying temperature is 25-80 DEG C, and the drying time is 5-120 minutes; and the temperature of the infrared and hot air mixed drying is 25-80 DEG C, and the drying time is 5-120 minutes. According to the method, the microwave drying is carried out firstly, then the infrared and hot air mixed drying is adopted, so that water in the paint film of the water-basedpaint is discharged from the inside to the outside, the water-based paint is dried from inside to outside, and then from the surface to the inside, so that the water-based paint can be rapidly dried,the drying period is shortened, plates are not easy to crack, and the drying is complete.

Description

technical field [0001] The invention relates to a drying method, in particular to a water-based paint drying method. Background technique [0002] Water-based paint has the advantages of non-toxic and environmental protection. With the global emphasis on environmental protection and the restrictions on volatile organic compounds (VOC) in relevant laws and regulations, solvent-based oil-based paints have been challenged unprecedentedly, and water-based paints are increasingly valued. In response to the country's call, most furniture factories have begun to introduce water-based paints, actively explore the drying process and drying methods of water-based paints, change the coating method, and change oil-based paints to water-based paints. Water-based paint is a paint that uses water as a diluent and does not contain organic solvents. It does not contain benzene, toluene, xylene, formaldehyde, and free TDI toxic heavy metals. It is non-toxic, non-irritating, and harmless to th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D3/02B05D3/04
CPCB05D3/0209B05D3/029B05D3/0413
Inventor 林孝发林孝山张金成刘培培王友德
Owner JOMOO KITCHEN & BATHROOM
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