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A kind of nano silicon salt filler external wall thermal insulation coating and preparation method thereof

A heat-insulating coating and nano-silicon technology, applied in the direction of reflection/signal coatings, coatings, etc., can solve problems such as poor decoration, rough coating film, and reduced stain resistance of the coating film, achieving low thermal conductivity and inhibiting energy transfer Effect

Active Publication Date: 2016-08-24
JIANGSU MARINE VICTORY COATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the production of reflective heat insulation coatings usually uses titanium dioxide, PU hollow microspheres, hollow microspheres, ceramic microspheres, expanded perlite and a small amount of nano-reflective heat insulation functional materials to achieve the reflective heat insulation function, but its existence The shortcomings of rough coating film and poor decoration, while reducing the stain resistance of the coating film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A nano-silicon-salt filler exterior wall thermal insulation coating provided in this example is characterized in that it contains silicon acrylic emulsion: 18%, rutile titanium dioxide: 12%, additives: 2%, and functional fillers: 55%, propylene glycol: 3%; of which:

[0028] Functional fillers include:

[0029] Nano-montmorillonite silicate and barrier functional filler, and the mass ratio of the two is 1:1.5;

[0030] Barrier functional fillers include the following components in parts by mass:

[0031] Hollow glass microspheres: 3 parts, graphite: 10 parts, black silicon carbide: 20 parts, fine-grained alumina: 25 parts, molybdenum disulfide: 5 parts, zinc oxide: 2 parts, talcum powder: 3 parts;

[0032] Auxiliaries include the following components in parts by mass:

[0033] Dispersing agent: 10 parts, wetting agent: 2 parts, curing agent 20 parts, matting agent: 2 parts, film-forming aid: 5 parts, thickener: 5 parts, hydroxyethyl cellulose: 5 parts, pH adjustment ...

Embodiment 2

[0038] The heat-insulating coating for exterior walls with nano-silicate fillers provided in this example contains silicon-acrylic emulsion: 20%, rutile titanium dioxide: 14%, additives: 4%, functional fillers: 60%, and propylene glycol in percentage by mass. : 4%; of which:

[0039] Functional fillers include:

[0040] Nano-montmorillonite silicate and barrier functional filler, and the mass ratio of the two is 1:1.5;

[0041] In the present invention, the nano-montmorillonite silicate has a unique layered structure, and the energy must pass through the layered structure in the process of transmission or loss, which will definitely slow down the energy transmission speed and change the energy transmission path, and play a role The role of thermal insulation, while the thermal conductivity of nano-montmorillonite silicate is extremely low, inhibiting energy transfer, it can also bring unexpected technical effects in the field of environmental protection and energy saving;

...

Embodiment 3

[0050] This example provides a nano-silicon salt filler exterior wall heat-insulating coating, which contains silicon-acrylic emulsion: 22%, rutile titanium dioxide: 13%, additives: 3%, functional filler: 58%, and propylene glycol : 3%; of which:

[0051] Functional fillers include:

[0052] Nano-montmorillonite silicate and barrier functional filler, and the mass ratio of the two is 1:1.5;

[0053] In the present invention, the nano-montmorillonite silicate has a unique layered structure, and the energy must pass through the layered structure in the process of transmission or loss, which will definitely slow down the energy transmission speed and change the energy transmission path, and play a role The role of thermal insulation, while the thermal conductivity of nano-montmorillonite silicate is extremely low, inhibiting energy transfer, it can also bring unexpected technical effects in the field of environmental protection and energy saving;

[0054] Barrier functional fil...

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PUM

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Abstract

The invention discloses a nano-silicon salt filler exterior wall heat-insulating coating, which contains silicon-acrylic emulsion: 18%-24%, rutile titanium dioxide: 12%-14%, and additives: 2%-4%. , functional filler: 55%‑60%, propylene glycol: 3%‑4%; where: the mass ratio of nano-montmorillonite silicate in functional filler to barrier functional filler is 1:1.5; barrier functional filler includes Graphite, black silicon carbide and molybdenum disulfide; the present invention also designs a preparation method of a nano-silicon salt filler exterior wall heat-insulating coating, and a kind of nano-silicon salt filler exterior wall heat-insulation coating designed by the present invention and its preparation method It can greatly improve the heat-resisting and heat-preserving performance, restrain energy transfer, and be environmentally friendly and energy-saving.

Description

technical field [0001] The invention belongs to the field of thermal insulation materials for buildings, in particular to a nano-silicon salt filler exterior wall thermal insulation coating and a preparation method thereof. Background technique [0002] According to the heat insulation mechanism, heat insulation coatings can be divided into three types: barrier type, reflection type and radiation type. Among them, the barrier type heat insulation coating is a thick traditional coating, and its heat insulation mechanism is to resist heat transfer, and the technology is relatively mature; the radiation type heat insulation coating is relatively mature. Thermal coatings emit the heat of sunlight absorbed by buildings into the air at a certain wavelength in the form of radiation to achieve heat insulation and cooling; the heat insulation mechanism of reflective thermal insulation coatings is to reflect sunlight. [0003] In recent years, in order to effectively prevent heat cond...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D7/12C09D5/33
Inventor 郑化陈廷生刘小林
Owner JIANGSU MARINE VICTORY COATING
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