Environment-friendly emulsified modified tung-oil resin liquid and preparing method thereof

A technology of rosin modified resin and resin liquid, which is applied in the direction of dry oil paint, coating, etc., can solve the problems of human body harm, achieve the effect of accelerating the drying speed, overcoming the slow drying speed, and improving the construction environment

Active Publication Date: 2016-09-07
常德湘联木业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the shortcoming that a large amount of organic solvents harmful to human body are used in modified tun

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1 is applicable to products for finishing hardwood furniture.

[0025] The preparation method of this environment-friendly emulsified modified tung oil resin liquid is characterized in that, the concrete steps are as follows:

[0026] 1. Main raw and auxiliary materials:

[0027] (1) Tung oil: iron-cobalt colorimetry, less than No. 8, water mass ratio content less than 0.5%, mechanical impurity mass ratio content less than 0.1%;

[0028] (2) Double-bleached linseed oil: After rinsing linseed oil with sodium hydroxide, rinse it with water for 1-3 times, so that the iron-cobalt colorimetry of the color and luster is less than No. 8, and the acid value is less than 5mgKOH / g, and the double-bleached linseed oil is obtained ;

[0029] (3) No. 120 solvent oil, does not contain aromatic hydrocarbons, and does not contain volatile substances harmful to human body;

[0030] (4) Citrus oil, various citrus peel extracts, used as surfactants;

[0031] (5) Rosin modif...

Embodiment 2

[0042] Embodiment 2 is applicable to products for finishing cork furniture.

[0043] The preparation method of this environment-friendly emulsified modified tung oil resin liquid is characterized in that, the concrete steps are as follows:

[0044] One, main raw and auxiliary materials are identical with embodiment one.

[0045] 2. Production process

[0046] (1) Two base oils, tung oil and double-bleached linseed oil, were mixed at a mass ratio of 4.5:1 and put into the reaction kettle with 650 parts by mass, and then injected with inert gas nitrogen, smelted at a temperature of 145°C, and kept for 3.5 hours for low-temperature polymerization;

[0047] (2) After the low-temperature polymerization is completed, the temperature rises to 255°C. After 2 hours of high-temperature polymerization, test with a Tu-4 viscometer and keep it warm until the viscosity is 100 seconds. Cool down to 210°C;

[0048] (3) Put 80 parts of Damar resin and 30 parts of rosin modified resin, keep ...

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Abstract

The invention discloses environment-friendly emulsified modified tung-oil resin liquid and a preparing method thereof. Natural tung oil, double-bleaching linseed oil, solvent oil, tangerine oil, rosin-modified resin, yellow beeswax, palm wax, dammar resin and OP-10 type nonionic emulsifier are subjected to low temperature polymerization, high temperature polymerization, emulsified and modified to prepare the environment-friendly emulsified modified tung-oil resin liquid, and the environment-friendly emulsified modified tung-oil resin liquid is milk white in color and free of tung-oil smell and smelly organic-solvent smell; by means of wood coatings prepared with the emulsified modified tung-oil resin liquid, the construction environment is improved, the drying speed of film coating is increased, and meanwhile the physicochemical performance of film coating is improved; the advantages of natural tung oil and modern traditional-chemical modified tung oil are kept, the defect that toxic arene solvents such as benzene, methylbenzene and xylene are largely used in modified tung oil at present is overcome, and therefore the environment-friendly emulsified modified tung-oil resin liquid is an environment-friendly oil material.

Description

technical field [0001] The invention relates to the processing modification of tung oil, namely an environment-friendly emulsified modified tung oil resin liquid and a preparation method thereof. Background technique [0002] my country is a big country in the production of tung oil, and it is also a big country in the development and utilization of tung oil. Hundreds of thousands of tons of tung oil are used for coating various objects every year. The utilization of tung oil has a history of thousands of years in our country. Except a small amount of tung oil is used as lamp oil, a large amount of tung oil is used for coating wood, bamboo and other utensils. Tung oil is a dry oil. Its molecules have a certain amount of carbon-carbon double bonds that can be further reacted. After oxidative polymerization and cross-linking, a coating film with excellent flexibility is formed. At the same time, the oil penetrates into the internal tissue of the wood and strengthens the wood f...

Claims

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Application Information

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IPC IPC(8): C09D191/00C09D7/12
CPCC08L2205/02C08L2205/025C08L2205/035C09D7/65C09D191/005C08L91/00C08L93/04C08L91/06
Inventor 程度文程龙辉谭国爱周诗彪
Owner 常德湘联木业有限公司
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