A translucent chestnut red calcined amba odor-cleaning type polyurethane wood lacquer and its preparation method

Abstract

The invention relates to a translucent chestnut red calcined amba odor-clearing type polyurethane wood lacquer and a preparation method thereof. Composed of resin, matting powder, dispersant, chestnut red color paste, leveling agent, defoamer, anti-settling agent and solvent; component B is a benzene-free curing agent mainly composed of TDI, HDI trimer or adduct; The translucent chestnut red calcined amba deodorizing polyurethane wood lacquer prepared by the present invention does not contain aromatic hydrocarbons, aldehydes, ketones, and heavy metals, and achieves deodorizing effect after 48 hours of coating and film formation; and does not precipitate during storage, Good leveling, good hand feeling, high scratch resistance, no ghosting; the wood grain is clear and thorough when painted on wood, making the furniture look elegant, noble, simple and natural, giving people an elegant and comfortable feeling, and adapting to modern aesthetics , very popular with the market and customers. Widely used in wood, metal, plastic and other surface decoration and protection.

Description

technical field [0001] The invention relates to a preparation method of a two-component polyurethane wood varnish, in particular to a translucent chestnut red calcined amba net odor type anti-scratch two-component polyurethane wood finish. Background technique [0002] With the improvement of people's material and cultural living standards, consumers have higher and higher requirements for the coating effect of furniture, which has led to the rapid growth of domestic wood coatings. In the furniture coating market, American-style painted furniture occupies a relatively large market share. Most of the domestic furniture industry uses color essence (a metal complex dye, such dyes have serious problems such as heavy metals exceeding the standard, containing pathogenic substances, temperature resistance, Poor light fastness and migration resistance, commonly known as Grace) for wood grain wiping and varnishing colorants, most of the resins used for wiping are ordinary alkyd resin...

AI Technical Summary

Problems solved by technology

In the furniture coating market, American-style painted furniture occupies a relatively large market share. Most of the domestic furniture industry uses color essence (a metal complex dye, such dyes have serious problems such as heavy metals exceeding the standard, containing pathogenic substances, temperature resistance, Poor light fastness and migration resistance, commonly known as Grace) for wood grain wiping and varnishing colorants, most of the resins used for wiping are ordinary alkyd resins and linseed oils, and the furniture still remains for a long time after painting. Odor; today's huge wood paint market has higher and higher requirements for paint products. Especially wood polyurethane (PU) paint has excellent comprehensive performance and is widely used by consumers, but there are many shortcomings in the product, such as whitening and blistering , delamination, non-scratch resistance, ghosting, fingerprints are not easy to disappear, etc.