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Nano ATO/Tio2 transparent thermal insulation coating for ultralow-VOC waterborne polyurethane/acrylic acid transparent building glass

A technology of water-based polyurethane and thermal insulation coatings, applied in polyurea/polyurethane coatings, coatings, etc., can solve the problems of lack of systematic experimental research, high production costs, and insufficient water resistance

Pending Publication Date: 2020-10-30
INST OF APPLIED CHEM JIANGXI ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The former of these invention patents has insufficient water resistance, and the latter has relatively high production costs
The application number is 201410197522.5 Chinese patent "Nano ATO / Tio2 Filler Waterborne Polyurethane Thermal Insulation Transparent Coating", Li Xiaobing et al. Coatings have good visible light transmittance and thermal insulation properties, but due to the lack of systematic experimental research on adding it as a thermal insulation filler to thermal insulation coatings, it is difficult to apply without practical value

Method used

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  • Nano ATO/Tio2 transparent thermal insulation coating for ultralow-VOC waterborne polyurethane/acrylic acid transparent building glass
  • Nano ATO/Tio2 transparent thermal insulation coating for ultralow-VOC waterborne polyurethane/acrylic acid transparent building glass
  • Nano ATO/Tio2 transparent thermal insulation coating for ultralow-VOC waterborne polyurethane/acrylic acid transparent building glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: A kind of ultra-low VOC water-based polyurethane / acrylic acid nano-ATO / Tio used in architectural glass of this practical example 2 Transparent heat-insulating paint is made according to the general paint-making process. The specific ingredients of the formula and the ratio by quality are as follows:

[0017]

[0018]

[0019] According to the recipe, under magnetic stirring, ATO and TiO 2 Add the nano-slurry to the polyurethane solution, and add wetting agent, dispersant, thickener, film-forming aid, and leveling agent in sequence, mix at 1500r / min for 15min, disperse at 3000r / min for 25min, and then ultrasonically disperse for 20min , adjust the pH value to 7-9 with ammonia water; add deionized water to adjust the viscosity.

Embodiment 2

[0020] Embodiment 2: A kind of ultra-low VOC water-based polyurethane / acrylic acid nanometer ATO / Tio that this practical example is used for architectural glass 2 Transparent heat-insulating paint is made according to the general paint-making process. The specific ingredients of the formula and the ratio by quality are as follows:

[0021]

[0022] According to the recipe, under magnetic stirring, ATO and TiO 2Add the nano-slurry to the polyurethane solution, and add wetting agent, dispersant, thickener, film-forming aid, and leveling agent in sequence, mix at 1500r / min for 15min, disperse at 3000r / min for 25min, and then ultrasonically disperse for 20min , adjust the pH value to 7-9 with ammonia water; add deionized water to adjust the viscosity.

Embodiment 3

[0023] Embodiment 3: a kind of ultra-low VOC water-based polyurethane / acrylic acid nanometer ATO / Tio used in architectural glass of this actual example 2 Transparent heat-insulating paint is made according to the general paint-making process. The specific ingredients of the formula and the ratio by quality are as follows:

[0024]

[0025]

[0026] According to the recipe, under magnetic stirring, ATO and TiO 2 Add the nano-slurry to the polyurethane solution, and add wetting agent, dispersant, thickener, film-forming aid, and leveling agent in sequence, mix at 1500r / min for 15min, disperse at 3000r / min for 25min, and then ultrasonically disperse for 20min , adjust the pH value to 7-9 with ammonia water; add deionized water to adjust the viscosity.

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Abstract

The invention discloses a nano ATO / Tio2 transparent thermal insulation coating for ultralow VOC waterborne polyurethane / acrylic acid transparent building glass. The coating is prepared from waterbornepolyurethane / acrylic acid, ATO nano dispersion liquid, Tio2 nano dispersion liquid, an organic silicon cross-linking agent, a dispersing agent, a wetting agent, an antifoaming agent, an environment-friendly coalescing agent and a leveling agent. According to the invention, rutile reflection heat insulation TiO2 and radiation heat insulation ATO are compounded; the developed single-component waterborne polyurethane / acrylic acid transparent thermal insulation coating is green and environment-friendly, and meets the national environmental protection quality standard; the nano ATO / Tio2 transparent thermal insulation coating has excellent heat-insulating property and transparency, also has excellent paint membrane mechanical property, water resistance and weather resistance, can be widely applied to transparent heat insulation, heat preservation and energy conservation of automobile glass and building glass, and has a wide market prospect.

Description

technical field [0001] The invention relates to the technical field of one-component water-based polyurethane / acrylic acid nano-transparent heat-insulating coatings, in particular to a nano-ATO / Tio coating for ultra-low VOC water-based polyurethane / acrylic transparent architectural glass 2 Transparent thermal insulation coating. Background technique [0002] Most Chinese buildings are non-energy-saving buildings with high energy consumption. Buildings consume a lot of energy when they are in use, and these energy accounts for about 30% to 40% of the total energy consumption of human beings. my country's total terminal energy consumption is already the second largest in the world, and the average energy utilization rate is only about 30%, while the energy utilization rate of the industrialized countries in the world can reach more than 70%. Caused by poor insulation or thermal insulation of buildings. China has a vast territory, and the climate varies greatly from region to ...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D133/04C09D7/61C09D7/63C09D7/47C09D7/43C09D7/65C09D7/20C03C17/00C03C17/23C03C17/32
CPCC03C17/009C03C17/23C03C17/32C03C17/322C08K2003/2241C08K2201/005C08K2201/011C08L2201/10C08L2205/02C08L2205/035C08L2312/00C09D133/04C09D175/04C09D7/20C09D7/43C09D7/47C09D7/61C09D7/63C09D7/65C09D7/67C08L33/04C08L75/08C08L83/12C08K13/02C08K3/22C08K5/11C08K5/5425
Inventor 曾国屏戴国太王刚王玲玲张军
Owner INST OF APPLIED CHEM JIANGXI ACAD OF SCI
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