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Multifunctional thermal insulation coating containing titanium dioxide/attapulgite nanocomposite material and preparation method thereof

A nano-composite material, titanium dioxide technology, applied in the field of coatings, can solve the problems that affect the uniformity of coatings and related properties, and the easy sedimentation of inorganic additives, etc., to achieve excellent ultraviolet light shielding performance, improve heat insulation performance, and high surface energy Effect

Active Publication Date: 2015-06-24
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although different inorganic additives can endow the coating with various good comprehensive properties, the addition of inorganic additives is also prone to sedimentation, which affects the uniformity and related properties of the coating.

Method used

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  • Multifunctional thermal insulation coating containing titanium dioxide/attapulgite nanocomposite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (1) Disperse 5g titanium dioxide / attapulgite nanocomposite in 100g water-ethanol solution, the volume ratio of water and ethanol is 1:2, add 0.3g silane coupling agent vinyltrimethoxysilane, 0.6g pentene Diacid, heat preservation reaction at 40° C. for 3 hours, filter, wash, and dry to prepare an organically modified titanium dioxide / attapulgite nanocomposite material.

[0033] (2) Preparation of modified styrene-acrylic emulsion: get organically modified titanium dioxide / attapulgite nanocomposite material 5g, styrene 15g, acrylic acid 2g, butyl acrylate 20g, methacrylic acid 1g, formazan 1 g methyl acrylate, emulsifier OP-101 g, protective gel sodium polymethacrylate 1.5 g, buffering agent baking soda 0.3 g, and deionized water 60 g were emulsified under vigorous stirring to obtain an emulsion. Take 30% of the above emulsion, add 30% initiator potassium persulfate, heat up to 70°C, keep warm for 2 hours, add the remaining emulsion and initiator, the total amount of ini...

Embodiment 2

[0036] (1) Disperse 10g titanium dioxide / attapulgite nanocomposite in 100g water-ethanol solution, the volume ratio of water and ethanol is 1:6, add 0.45g silane coupling agent vinylmethyldimethoxysilane, 0.6g Butenedioic acid was incubated at 80° C. for 1 hour, filtered, washed, and dried to obtain an organically modified titanium dioxide / attapulgite nanocomposite material.

[0037](2) Preparation of modified styrene-acrylic emulsion: get organically modified titanium dioxide / attapulgite nanocomposite material 10g, styrene 25g, acrylic acid 1g, butyl acrylate 25g, methacrylic acid 2g, formazan Methyl acrylate 4g, emulsifier K123g, protective gel sodium polyacrylate 1g, buffer disodium hydrogen phosphate 0.2g, deionized water 50g, and emulsify under vigorous stirring to obtain an emulsion. Take 40% of the above emulsion, add 50% initiator, heat up to 60°C, keep warm for 1.5h, add the remaining emulsion and initiator, the total amount of initiator ammonium persulfate is 0.3g, h...

Embodiment 3

[0040] (1) Disperse 15g titanium dioxide / attapulgite nanocomposite in 100g water-ethanol solution, the volume ratio of water and ethanol is 1:4, add 0.45g silane coupling agent vinyltrimethoxysilane, 1.2g butene Diacid, heat preservation reaction at 60° C. for 2 hours, filter, wash, and dry to prepare an organically modified titanium dioxide / attapulgite nanocomposite material.

[0041] (2) Preparation of modified styrene-acrylic emulsion: get organically modified titanium dioxide / attapulgite nanocomposite material 1g, styrene 20g, acrylic acid 0.5g, butyl acrylate 15g, methacrylic acid 0.5g obtained in step (1) , methyl methacrylate 2g, emulsifier MS-1 2g, protective glue polystyrene-maleic anhydride copolymer sodium salt 2g, buffer agent baking soda 0.25g, deionized water 40g, emulsify under vigorous stirring, Prepare an emulsion. Take 20% of the above emulsion, add 40% initiator, heat up to 80°C, keep warm for 1h, add the remaining emulsion and initiator, the total amount o...

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Abstract

The invention belongs to the technical field of coating and particularly relates to a thermal insulation coating with excellent thermal insulation performance, water resistant performance, weather fastness and mechanical property and a preparation method thereof. The method comprises the following steps: loading rutile nano-titanium dioxide on the surface of the attapulgite to obtain the titanium dioxide / attapulgite nanocomposite material, organically modifying through a silane coupling agent and carboxylic acid, copdymerizing with styrene and acrylic monomer to prepare the modified styrene-acrylic emulsion, and adding micron titanium dioxide, glass bead, far infrared ceramic powder, a moist disperser, a defoamer, a coalescing agent and water to obtain the thermal insulation coating with excellent thermal insulation performance, water resistant performance, weather fastness and ultraviolet resistance ability.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a heat-insulating coating with excellent thermal insulation performance, water resistance performance, weather resistance performance and mechanical performance and a preparation method thereof. Background technique [0002] As global warming and other related environmental issues become more and more prominent, more and more attention has been paid to energy conservation in the design and construction of modern buildings. Building energy consumption accounts for 35% of total energy consumption, most of which are used to increase or decrease indoor temperature. Thermal insulation coatings are often used in exterior wall coatings to reduce heat transfer. At present, thermal insulation coatings are mainly divided into three types: barrier thermal insulation coatings, reflective thermal insulation coatings and radiation thermal insulation coatings. The effect of a sin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D151/10C09D5/33C09D7/12C08F292/00C08F212/08C08F220/06C08F220/18
CPCC08F292/00C09D7/40C09D151/10C08F220/1804
Inventor 姚超孙立伟左士祥刘文杰罗士平李霞章魏科年孔泳马建峰
Owner CHANGZHOU UNIV
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