Translucent orange-brown calcined Sienna odorless polyurethane wood lacquer and preparation method thereof

Abstract

The invention relates to a translucent orange-brown calcined Sienna odorless polyurethane wood lacquer and a preparation method thereof, wherein the translucent orange-brown calcined Sienna odorless polyurethane wood lacquer comprises a component A and a component B according to a weight ratio of 1:0.5, the component A comprises an odorless alkyd resin, matting powder, a dispersing agent, an orange-brown pigment paste, a leveling agent, an antifoaming agent, an anti-settling agent and a solvent, and the component B is a benzene-free curing agent using TDI, HDI trimer or an adduct as a main component. According to the present invention, the prepared translucent orange-brown calcined Sienna odorless polyurethane wood lacquer does not contain aromatic hydrocarbons, aldehyde ketone and heavy metals, and the odorless effect is achieved at 48 h after the wood lacquer is coated to form the film; the wood lacquer does not precipitate during the storing, and further has characteristics of goodleveling property, good hand feeling, high scratch resistance and no ghost; after the woodware is coated with the wood lacquer, the wood grain is clear and thorough, and the furniture is elegant, noble, simple and natural, can make people feel elegant and comfortable, is adapted to the modern aesthetics, and is popular in the market and is loved by customers; and the translucent orange-brown calcined Sienna odorless polyurethane wood lacquer is widely used for the surface decoration protection of woodware, metals, plastics and the like.

Description

technical field [0001] The invention relates to a preparation method of a two-component polyurethane wood varnish, in particular to a translucent orange-brown calcined sodium-clean 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 r...

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.