Thermoactive Acrylic Paint Thermal Insulation
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Solution Overview
Problem
Existing thermal insulation methods for buildings, such as mineral wool and expanded polystyrene, are inadequate in spaces exposed to high dampness and mold growth, and they do not effectively address thermal energy loss and chemical/biological damage while maintaining aesthetic value.
Innovation Solution
A thermoactive acrylic paint is developed that accumulates, reflects, and disperses long electromagnetic waves in the infrared range, providing a thermal barrier through a unique formulation involving water-borne acrylic copolymers, metallic silver nanoparticles, borosilicate glass microspheres, and specific surfactants, which is applied in three stages to create a quick-drying, chemically resistant, and biocide-rich coating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional thermal insulation materials (mineral wool, expanded polystyrene) are used, then thermal insulation performance is improved, but resistance to dampness and mold growth deteriorates
Solution Approach 1:
The patent uses a composite paint formulation containing acrylic copolymers, metallic silver nanoparticles, borosilicate glass microspheres, and biocidal additives. This composite material combines thermal insulation properties with antimicrobial and moisture-resistant characteristics, simultaneously addressing both thermal performance and resistance to dampness and mold growth.
Solution Approach 2:
The patent changes the physical and chemical parameters of the insulation material by using a paint coating instead of bulk materials. The paint contains hollow glass microspheres that provide thermal insulation through trapped air pockets, while biocidal additives prevent mold growth, and the acrylic polymer matrix provides moisture resistance, transforming the material properties to meet multiple requirements.
2Temperature
If traditional insulation coatings are used, then thermal insulation is improved, but aesthetic value deteriorates
Solution Approach 1:
The patent creates a multi-functional paint coating that simultaneously provides thermal insulation, aesthetic appearance, moisture resistance, and antimicrobial protection. The acrylic polymer base provides a smooth, paintable surface for aesthetic value, while embedded hollow glass microspheres provide thermal insulation, and biocidal additives provide antimicrobial protection, making the coating universally applicable for both functional and cosmetic requirements.
3Temperature
If thick insulation layers are applied to achieve equivalent thermal performance, then thermal insulation performance is improved, but device complexity and application difficulty increase
Solution Approach 1:
The patent changes the thermal insulation mechanism from relying on thick layers of low-density materials to using a concentrated formulation with hollow glass microspheres embedded in a polymer matrix. This allows achieving the same thermal resistance (R-value) with a much thinner coating layer, simplifying application processes and reducing material consumption while maintaining aesthetic appearance.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The paint achieves equivalent insulation performance to 50 mm of mineral wool or 60 mm of extruded polystyrene, inhibits mold and fungi growth, is non-toxic, and provides excellent thermal insulation, making it suitable for areas where traditional insulation is not feasible, while being environmentally friendly and resistant to weathering.
Implementation Method 1
the paint consists of: 46 to 50 wt % of water dispersion of acrylic copolymers, 1.3 to 1.6 wt % of 50% water solution of polymeric dispersant, 0.75 to 0.85 wt % of 26% water solution of polyethersiloxane defoamer with silica, 1.4 to 1.5 wt % of 100% surface-active alkanodiol agent, 1.3 to 1.5 wt % of surface-active siloxane agent, 19 to 20 wt % of titanium dioxide (TiO 2), 12 to 13 wt % of calcium carbonate, 4.2 to 4.6 wt % of kaolin (4SiO 2 x2Al 2 O 3 x4H 2 O), 1.4 to 1.5 wt % of hydroxyester (of Texanol quality) - coalescent, 2.2 to 2.4 wt % of isopropanol, 2.2 wt % of hydrophobically modified ethylene oxide-urethane (HEUR) block copolymer - an flow improving and dripping preventing agent, 4.0 to 4.5 wt % of demineralised water
Implementation Method 2
a 6.3 mm thick layer of paint according to the present invention has insulation properties equivalent to 50 mm thick layer of mineral wool, or 3.6 mm may substitute 60 mm layer of extruded polystyrene
Implementation Method 3
The thermoactive paint produced by the method according to the present invention is a chemical composition... it is light (density of approx. 0.850 g/cm 3), has excellent biocide properties, inhibits the growth of pro- and eukaryotic micro-organisms, including mould and fungi
Implementation Method 4
accumulating, reflecting and dispersing long electromagnetic waves within the infrared range, constituting also a thermal barrier
Implementation Method 5
quick-drying, chemically resistant, and biocide-rich coating
Implementation Method 6
46 to 50 wt % of water dispersion of acrylic copolymers... 1.4 to 1.5 wt % of hydroxyester (of Texanol quality) - coalescent
Data Source
AI summary
Method of manufacturing of the thermoactive acrylic paint containing fillers, pigments, flame retardants, surface-active agents, silicates, acrylic copolymers, and glass microspheres, characterised in that 60-70 wt % of the pre-prepared Premix 1 is placed in the mixer and while continuously stirred it is heated up to the temperature of 30 to 40°C, and then with continuous mixing maintained the pre-prepared Premix 2 is added in 30-40 wt %, and with the temperature marinated within the range of 30 to 40°C homogenisation process is conducted for 10 to 30 minutes; and Premix 1 is made of 46-50 wt % of water dispersion of acrylic copolymers; solution of polymeric dispersant in the quantity of 1.3-1.6 wt %; antifoaming agent in the quantity of 0.75-0.85 wt %; surface-active agents in the quantity of 2.7-3.0 wt %; 19-20 wt % of titanium dioxide (TiO2); 12-13 wt % of calcium carbonate; 4.2-4.6 wt % of kaolin; 1.4-1.5 wt % of coalescent; 2.2-2.4 wt % of isopropanol; 2.2-2.4 wt % of copolymer; 4.0-4.5 wt % of demineralised water; and Premix 2 is made of 42-45 wt % of demineralised water; 0.4-0.5 wt % of surface-active agent; 0.8-0.9 wt % of water solution of defoamer; 1.2-1.6 wt % of water solution of polymeric dispersant; 26-29 wt % of copolymer of vinyl acetate and vinyl EDTA with an additive of polyvinyl alcohol; 20-24 wt % of glass microspheres; 3.9-4.4 wt. % of bonding agent.