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Outer-wall insulated coating with nano silicate fillers and preparation method of outer-wall insulated coating

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

Active Publication Date: 2014-12-17
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 fill...

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PUM

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Abstract

The invention discloses an outer-wall insulated coating with nano silicate filler. The outer-wall insulated coating comprises the following materials in percentage by mass: 18%-24% of silicone acrylic emulsion, 12%-14% of rutile type titanium dioxide, 2%-4% of additive, 55%-60% of functional filler and 3%-4% of propylene glycol, wherein the mass ratio of nano montmorillonite silicate in the functional filler to the barrier type functional filler is 1:1.5; and the barrier type functional filler comprises graphite, black silicon carbide and molybdenum disulfide. The invention also designs a preparation method for the outer-wall insulated coating with the nano silicon-salt filler. The outer-wall insulated coating and the preparation method thereof have the advantages that the heat-resistant and heat-insulated performances can be greatly improved, and the energy transfer is inhibited, so that the environmental-friendly and energy-saving effects are achieved.

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