Preparing method for wear-resistant fireproof color coating steel plate
A color-coated steel plate, refractory technology, applied in the field of materials, can solve the problems of paint film embrittlement, cracking, affecting product quality, etc., and achieve good bending performance and excellent wear resistance.
Inactive Publication Date: 2015-01-21
SUZHOU YANGTZE NEW MATERIALS CO LTD
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Problems solved by technology
However, when the temperature of the galvanized steel plate used in the above-mentioned unmentioned products and occasions reaches above 550°C, the paint film will become brittle due to the alternation of cold and heat, and the paint will burst and crack, which will affect the product quality.
Method used
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Embodiment 1
[0022] Using galvanized or galvanized substrate as the base material, the automatic production process of wear-resistant and refractory color-coated steel sheets is as follows: Uncoiling → Degreasing I → Brush roller grinding → Degreasing II → Washing → Roller coating passivation layer → Drying → Roller Primer coating→roller backcoat→baking I→cooling I→roller topcoat→baking II→cooling II→inspection→winding.
[0023] Degreasing I adopts ultrasonic degreasing, and the substrate is pinched to and passes through the ultrasonic pool at a uniform speed. The ultrasonic pool includes a stainless steel tank and an ultrasonic generator. There is a degreasing agent in the ultrasonic pool, and the temperature of the degreasing agent is set at 20 ° C ~ 30 ° C. Generally, the temperature of the degreasing agent in production needs to be above 50°C to achieve the effect of degreasing, and the ultrasonic degreasing can use the vibration frequency of the ultrasonic wave, so that the degreasing ...
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Abstract
The invention discloses a preparing method for a wear-resistant fireproof color coating steel plate. A zinc plating or aluminum and zinc plating substrate is used as a base material, and the method comprises the following steps: 1) degreasing, 2) grinding a brush roller, 3) painting a passivating layer in a rolling mode and drying the passivating layer; 4) painting bottom paint in a rolling mode, 5) painting back paint in a rolling mode, 6) baking, and 7) painting face paint in a rolling mode, baking and forming the face paint, wherein the ultrasonic degreasing is adopted in the step 1), and infrared baking is adopted in the step 7). According to the preparing method for the wear-resistant fireproof color coating steel plate, the steel plate manufactured through the preparing method has good bending machining property, and coatings do not crack or peel under the complex operation conditions of high temperature and the like, and have the remarkable characteristics of resisting the high temperature, fire and corrosion.
Description
technical field [0001] The invention relates to the technical field of materials, in particular to a method for preparing a wear-resistant and refractory color-coated steel plate. Background technique [0002] Color-coated steel plate is a kind of composite material, which is mainly composed of substrate and coating. It has the advantages of both steel plate and organic material. Corrosive, beautiful and other advantages have played a good role in substituting steel for wood, efficient construction, and energy saving. Therefore, it has become a new type of decorative material in the construction industry, shipbuilding industry, furniture industry, vehicle manufacturing industry, and electrical industry. At present, color-coated steel sheets are mainly made of cold-rolled steel sheets, electro-galvanized steel sheets or hot-dip steel sheets as substrates, after surface degreasing, phosphating, and complex salt treatment, successively roll-coat various organic coatings and bak...
Claims
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IPC IPC(8): B05D1/38B05D3/02C09D177/00C09D7/12C23G1/19
Inventor 杨建仁秦昌和许曲锋周庆艳周丹张林元
Owner SUZHOU YANGTZE NEW MATERIALS CO LTD