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Flame-retardant reflection insulation paint and preparation method thereof

A reflective heat-insulating coating and flame-retardant technology, applied in the field of architectural coatings, can solve the problems of poor flame retardancy and low storage stability of coatings, and achieve the effects of avoiding compatibility problems, good dispersibility, and good storage stability

Active Publication Date: 2013-05-01
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention solves the technical problems of poor flame retardancy and low storage stability of the reflective heat-insulating coating for buildings in the prior art

Method used

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  • Flame-retardant reflection insulation paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] (1) Add 3 parts by weight of emulsifier (the mass ratio of SDBS and OP-10 is 2:1), and 20 parts by weight of deionized water into a three-necked bottle, and pre-emulsify for 15 minutes. Then, 7 parts by weight of the first acrylic monomer (diethoxy phosphate methyl methacrylate, formula 1) and 45 parts by weight of the second acrylic monomer (butyl methacrylate 20 parts by weight, 5 parts by weight of methyl methacrylate, 2 parts by weight of acrylic acid, 15 parts by weight of butyl acrylate, 3 parts by weight of 2-ethylhexyl acrylate), 0.4 parts by weight of initiator KPS, 3 parts by weight of buffer NaHCO 3 and 20 parts by weight of deionized water. After the dropwise addition, stir at high speed for 1 h to obtain a monomer pre-emulsion, which is set aside. Take 1 / 3 of the monomer pre-emulsion and add it into a four-neck flask equipped with a reflux condenser, a stirrer and a constant pressure dropping funnel, and stir to raise the temperature to 82°C. When the sys...

Embodiment 2

[0049] (1) Add 3 parts by weight of emulsifier (the mass ratio of SDBS and OP-10 is 2:1), and 20 parts by weight of deionized water into a three-necked bottle, and pre-emulsify for 20 minutes. Then, 10 parts by weight of the first acrylic monomer (diethoxy phosphate methyl methacrylate, formula 1) and 42 parts by weight of the second acrylic monomer (butyl methacrylate 20 Parts by weight, 2 parts by weight of methyl methacrylate, 2 parts by weight of acrylic acid, 15 parts by weight of butyl acrylate, 3 parts by weight of 2-ethylhexyl acrylate), 0.4 parts by weight of initiator KPS, 3 parts by weight of buffer NaHCO 3 and 20 parts by weight of deionized water. After the dropwise addition, stir at high speed for 1 h to obtain a monomer pre-emulsion, which is set aside. Take 1 / 3 of the monomer pre-emulsion and add it into a four-neck flask equipped with a reflux condenser, a stirrer and a constant pressure dropping funnel, and stir to raise the temperature to 82°C. When the sy...

Embodiment 3

[0052] (1) The same steps as in Example 1 were used to prepare the acrylic emulsion S1 containing phosphate groups.

[0053] (2) Add 48 parts by weight of deionized water, 0.4 parts by weight of preservative, 2 parts by weight of wetting and dispersing agent, 1.6 parts by weight of defoaming agent, and 3 parts by weight of anti-mold and fungicide into the dispersion tank, at a speed of 500rpm / min Stir at a uniform speed; continue stirring and add 60 parts by weight of titanium dioxide, 20 parts by weight of sericite and 20 parts by weight of reflective heat insulation powder, and stir for 50 minutes at a speed of 1500 rpm / min; then add 180 parts by weight of Acrylic emulsion S1 containing phosphate groups, 0.8 parts by weight of defoamer, 15.4 parts by weight of film-forming agent and 8 parts by weight of antifreeze, stirred for 10 minutes, and then added 40 parts by weight of hollow glass microspheres (each heating capacity half of the previous time), stirred for 1 hour; fina...

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Abstract

The invention provides flame-retardant reflection insulation paint comprising the components of: 35-50wt% of acrylic emulsion comprising phosphate ester group, 10-25wt% of rutile-type titanium dioxide, 1-8wt% of sericite, 2.5-15wt% of heat-reflective insulation powder, 5-20wt% of hollow glass microspheres, 10-15wt% of water, and 2-20wt% of auxiliary agents. In the acrylic emulsion comprising phosphate ester group, phosphorus element content accounts for 0.9-1.8% of the mass of the acrylic emulsion comprising phosphate ester group. The invention also provides a preparation method of the flame-retardant reflection insulation paint. The flame-retardant reflection insulation paint provided by the invention has reflective insulation performance, flame resistance, good dispersity, and storage stability.

Description

technical field [0001] The invention belongs to the field of architectural coatings, in particular to a flame-retardant reflective heat-insulating coating and a preparation method thereof. Background technique [0002] With the increasing shortage of energy and the country's further advancement in energy conservation, environmental protection and sustainable development, the application of reflective heat insulation coatings is becoming more and more extensive. Reflective heat insulation coating is a new type of energy-saving material developed in recent years. By effectively reflecting, blocking, and radiating the energy of sunlight, it can significantly reduce the temperature of building exterior walls, roofs, and indoors, thereby effectively reducing the temperature of refrigeration equipment such as air conditioners. Energy consumption at high temperature. Therefore, reflective thermal insulation coatings can not only improve the working environment, but also save a lot...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D7/12C09D5/33C09D133/10
Inventor 李明胡文冷世伟
Owner BYD CO LTD
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