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Magnetic sterilizing heat-insulation coating and preparation method thereof

A thermal insulation coating and magnetic technology, applied in magnetic coatings, anti-corrosion coatings, fire-resistant coatings, etc., can solve the problems of low mechanical strength, single coating performance, and unsatisfactory environmental friendliness.

Active Publication Date: 2017-03-22
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Common building thermal insulation coatings on the market mainly use asbestos, expanded polystyrene, foamed polyurethane, etc. The disadvantages such as large layer thickness, and the coating performance is relatively simple, it is difficult to meet the performance requirements of the modern construction field

Method used

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  • Magnetic sterilizing heat-insulation coating and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The formula of the magnetic bactericidal thermal insulation coating is (wt%): 19% acrylic emulsion, 11% hollow glass microspheres, 12% magnetic-absorbing-bactericidal additives, SiO 2 Base insulation composite fiber 13%, rutile titanium dioxide 7%, sepiolite powder 7%, calcined kaolin 8%, polyethylene glycol 200 dispersant 1%, silicone defoamer 1%, cellulose acetate thickener 3 %, water 18%.

[0041] The preparation method is as follows:

[0042] 1. Preparation of MFe 2 o 4 hollow fiber

[0043] (1) Fe(CH 3 COO) 3 and Mn(CH 3 COO) 2 Added into absolute ethanol, stirred to obtain a transparent solution, then added PVP, stirred for 12 h, obtained a transparent solution of iron and manganese, wherein, Fe(CH 3 COO) 3 The concentration in the transparent solution is 0.16 mol / L, PVP and Fe(CH 3 COO) 3 The molar ratio of PVP is 1:0.15, and the molar amount of PVP is calculated according to the molar amount of its polymerized monomer;

[0044] According to the molar...

Embodiment 2

[0062] The formula of the magnetic bactericidal thermal insulation coating is (wt%): 15% acrylic emulsion, 8% hollow glass microspheres, 8% magnetic-absorbing-bactericidal additives, SiO 2 Base insulation composite fiber 18%, rutile titanium dioxide 5%, sepiolite powder 10%, calcined kaolin 5%, polyethylene glycol 200 dispersant 1%, silicone defoamer 1%, cellulose acetate thickener 2 %, water 27%.

[0063] The preparation method is the same as in Example 1.

Embodiment 3

[0065] The formula of the magnetic bactericidal thermal insulation coating is (wt%): 15% acrylic emulsion, 15% hollow glass microspheres, 18% magnetic-absorbing-bactericidal additives, SiO 2 Base insulation composite fiber 8%, rutile titanium dioxide 5%, sepiolite powder 5%, calcined kaolin 10%, polyethylene glycol 200 dispersant 2%, silicone defoamer 1%, cellulose acetate thickener 3 %, water 18%.

[0066] The preparation method is the same as in Example 1.

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Abstract

The invention discloses a magnetic sterilizing heat-insulation coating and a preparation method thereof. The magnetic sterilizing heat-insulation coating is prepared from, by weight percent, 15-30% of acrylic emulsion, 8-15% of hollow glass beads, 8-18% of magnetic-wave absorbing-sterilizing assistant, 8-18% of SiO2 based heat insulation composite fiber, 5-10% of rutile titanium dioxide, 5-10% of sea-foam stone powder, 5-10% of calcined kaolin, 1-2% of dispersing agent, 1-2% of anti-foaming agent, 2-5% of thickening agent, and 15-30% of water. Through nanometer modified technology, the magnetic-wave absorbing-sterilizing assistant and the SiO2 based heat insulation composite fiber are introduced to a heat-insulation coating domain, thus the multifunctional property of the heat-insulation coating is significantly widened; the coating has relatively ideal heat insulation effect while is toxic-free, odor-free, magnetic, wave-absorbable, green and environment-friendly, sterilized, self-cleaning, fire-proof and flame-retarding, and heat-resisting, and other functions; besides, the magnetic sterilizing heat-insulation coating has good market application prospect in the field of internal and external wall coatings of a building.

Description

technical field [0001] The invention relates to a magnetic bactericidal thermal insulation coating and a preparation method thereof, belonging to the technical field of preparation of chemical coatings. Background technique [0002] Since the beginning of the 21st century, the energy crisis has become increasingly serious, and the overexploitation and wanton waste of energy resources has become a hot issue restricting the development of modern society. The development of building energy-saving and thermal insulation materials is considered to be an effective means to alleviate the energy shortage and solve the energy shortage problem. According to the main conduction mode of wall thermal insulation materials, thermal insulation materials can be roughly divided into reflective thermal insulation materials, radiation thermal insulation materials, barrier thermal insulation materials and other thermal insulation materials. Vigorously expanding the variety system and applicatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D5/14C09D5/23C09D5/33C09D5/32C09D5/08C09D5/24C09D5/18C09D7/12D01F9/08
CPCC08K2201/011C08L2201/02C08L2201/08C09D5/004C09D5/08C09D5/14C09D5/18C09D5/24C09D5/32C09D7/61C09D7/62C09D7/70C09D133/00D01F9/08C08L1/12C08K13/06C08K7/28C08K7/10C08K7/08C08K9/12C08K3/04C08K3/346C08K3/34C08K2003/2241
Inventor 马谦杨萍
Owner UNIV OF JINAN
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