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Preparation method of flame-retardant coating material

A technology of flame retardant coating and flame retardant filler, which is applied in the field of preparation of flame retardant coating materials, can solve the problems that flame retardant properties and mechanical properties cannot be further improved, and achieves improved dispersion performance, improved flame retardant performance, and improved interface. The effect of bond strength

Inactive Publication Date: 2019-05-17
雷建军
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Problems solved by technology

[0005] The technical problem mainly solved by the present invention is: Aiming at the problem that the flame retardancy and mechanical properties of traditional flame retardant coating materials cannot be further improved, a preparation method of flame retardant coating materials is provided

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  • Preparation method of flame-retardant coating material

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Embodiment Construction

[0023]Add the epoxy resin into the No. 1 beaker, and move the No. 1 beaker into the digital speed measuring constant temperature magnetic stirrer, heat the epoxy resin in the No. 1 beaker to 70-80 ° C, and add the epoxy resin into the No. 1 beaker 0.2 to 0.3 times the mass of p-benzamide and 0.2 to 0.4 times the mass of epoxy resin butadiene rubber emulsion, after stirring and mixing for 30 to 50 minutes at a temperature of 70 to 85 ° C and a rotation speed of 200 to 300 r / min, To obtain a modified epoxy resin; put sodium alginate and water in a No. 2 beaker at a mass ratio of 1:50 to 1:100, stir with a glass rod for 10 to 20 minutes, let it swell for 3 to 5 hours, and place the No. 2 beaker In a magnetic stirrer with digital speed measurement and constant temperature, at a temperature of 90-95°C and a speed of 300-500r / min, heat and stir to dissolve for 40-60 minutes, then add 0.02-0.03 times the mass of sodium alginate to the No. 2 beaker Sodium periodate, at a temperature o...

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Abstract

The invention discloses a preparation method of a flame-retardant coating material, and belongs to the technical field of polymer materials. The preparation method comprises the steps that rice husk fiber, starch, yeast and water are mixed for fermentation, filtration, washing and drying to obtain pretreated rice husk fiber; the pretreated rice husk fiber is treated with nitrogen containing trimethylaluminum, dried and carbonized to obtain modified fiber; and modified epoxy resin, a diluting agent, the modified fiber, a property-modifying additive, pretreated mica powder, a curing agent, modified flame-retardant filler, a coupling agent, modified auxiliary materials are stirred and mixed to obtain the flame-retardant coating material. The flame-retardant coating material has excellent flame-retardant performance and mechanical properties, and has wide application prospects on the market.

Description

technical field [0001] The invention discloses a preparation method of a flame-retardant coating material, which belongs to the technical field of polymer materials. Background technique [0002] The rapid development of the current social economy, the vigorous development and application of new materials and new technologies, and the increasing use of firepower, electricity and natural gas have resulted in more and more fire accidents. Therefore, improving the flame retardancy of materials to reduce fire hazards has attracted widespread attention from all walks of life. Coating flame-retardant coatings on combustible materials is an effective fire protection measure, so flame-retardant coatings have been widely used. [0003] Flame retardant coating, also known as fire retardant coating, refers to a type of coating that is coated on the surface of flammable materials such as metal, wood, textiles, plastics, etc. to play a role in fire prevention and flame retardant. Flame...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D109/04C09D5/18C09D7/61C09D7/62C09D7/63C09D7/65
Inventor 雷建军仲华薛丞
Owner 雷建军