Polyurethane modified acrylate composite thermal-insulation energy-saving paint and preparation method thereof

Abstract

The invention provides a polyurethane-modified acrylate composite heat-insulating and energy-saving coating, and its raw materials include the following components by weight: 30-60 parts of polyurethane emulsion, 30-60 parts of acrylate emulsion, and 2-5 parts of glass hollow microspheres , 8-15 parts of diatom mud, 5-10 parts of nano-titanium dioxide, 6-10 parts of heat-reflecting insulation powder, 5-10 parts of alumina powder, 3-6 parts of mica powder, 3-8 parts of titanium dioxide, pH adjustment 0.3-0.9 parts of agent, 0.5-1.0 parts of dispersant, 0.2-0.5 parts of defoamer, 1.0-2.5 parts of coalescent, 0.5-0.8 parts of thickener, 0.1-0.3 parts of wetting agent, 30 parts of deionized water ‑50 servings. The invention also provides its preparation method. The coating has high wear resistance, adhesion, flexibility, high peel strength and excellent low temperature resistance, as well as excellent optical properties and weather resistance of polyacrylate, and is a kind of coating with excellent comprehensive performance. It has the advantages of advanced radiation curing materials, heat insulation and energy saving, and low thermal conductivity.

Description

technical field [0001] The invention relates to an environment-friendly, heat-insulating and energy-saving paint for exterior walls, in particular to a polyurethane-modified acrylate composite heat-insulating and energy-saving paint and a preparation method thereof. Background technique [0002] Exterior wall paint is used to paint the exterior walls of buildings, so the most important indicator is anti-ultraviolet radiation, which requires long-term exposure without discoloration. Since 2013, energy-saving and environmentally friendly liquid stone water-based coatings have attracted more and more attention. Some exterior wall coatings also require water resistance and self-cleaning properties. The paint film should be hard and smooth, and the dirt will fall off as soon as it is washed. Exterior wall paint can be used for interior wall painting because it also has water resistance; while interior wall paint does not have anti-sun function, so interior wall paint cannot be ...

AI Technical Summary

Problems solved by technology

However, fluororesin is relatively expensive, and its use in building exterior wall finishes is subject to great restrictions.