Water-based insulating paint and preparation method thereof
A kind of insulating paint, water-based technology, applied in the direction of coating, etc., can solve the problems of poor film-forming characteristics and insulation performance, low mechanical strength and adhesion, weak heat resistance, etc., to improve mechanical stability and wear resistance Sexuality, strong adhesion, and enhanced wear resistance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0026] S1: Add 20 parts of dibasic acid, 20 parts of dihydric alcohol and 0.1 part of tetra-n-propyl titanate into the reaction kettle, and keep the reaction at a temperature of 165°C for 2 hours; then raise the temperature to 200°C, and keep the reaction until the acid value of the mixture It is 28mgKOH / g, after cooling, reaction solution A is obtained;
[0027] S2: Lower the temperature to 80°C, add 20 parts of trishydroxymethylaminomethane and 0.3 parts of lithium chloride to step S1, and keep it warm for 1 hour; then add 8 parts of terminal alkenoic acid, raise the temperature to 110°C and keep it warm for 1 hour, and after cooling, Reaction solution B;
[0028] S3: Dissolve 10 parts of tetracarboxylic dianhydride and 5 parts of N-hydroxyethyl butanediamine in 15 parts of N-methylpyrrolidone, stir and react at a temperature of 80°C at a rate of 500r / min for 2h to obtain a reaction solution C ;
[0029] S4: Mix 20 parts of reaction solution B and 10 parts of reaction solu...
Embodiment 2
[0032] S1: Add 30 parts of dibasic acid, 40 parts of dibasic alcohol and 0.3 part of tetra-n-propyl titanate into the reaction kettle, and keep the temperature at 185°C for 3 hours; then raise the temperature to 220°C, and keep the reaction until the acid value of the mixture Be 32mgKOH / g, obtain reaction solution A after cooling;
[0033] S2: Lower the temperature to 100°C, add 30 parts of trishydroxymethylaminomethane and 0.6 parts of lithium chloride to step S1, and keep warm for 2 hours; then add 12 parts of terminal acid, raise the temperature to 120°C and keep warm for 2 hours, and after cooling, Reaction solution B;
[0034] S3: Dissolve 20 parts of tetracarboxylic dianhydride and 10 parts of N-hydroxyethyl butanediamine in 25 parts of N-methylpyrrolidone, stir and react at a temperature of 100°C at a rate of 800r / min for 4h to obtain a reaction solution C ;
[0035] S4: Mix 40 parts of reaction solution B with 20 parts of reaction solution C, drop 12 parts of hydroxy...
Embodiment 3
[0038] S1: Add 25 parts of dibasic acid, 30 parts of dihydric alcohol and 0.2 part of tetra-n-propyl titanate into the reaction kettle, and keep the reaction at 180°C for 2.5h; then raise the temperature to 210°C, keep the reaction until the mixture is acid The value is 30mgKOH / g, and the reaction solution A is obtained after cooling;
[0039] S2: Lower the temperature to 90°C, add 26 parts of tris and 0.4 parts of lithium chloride to step S1, and keep it warm for 1.5 hours; then add 10 parts of terminal enoic acid, raise the temperature to 115°C and keep it warm for 1.5 hours, then cool Reaction solution B is obtained afterward;
[0040]S3: Dissolve 14 parts of tetracarboxylic dianhydride and 7 parts of N-hydroxyethylbutanediamine in 22 parts of N-methylpyrrolidone, stir and react at a temperature of 90°C at a rate of 650r / min for 2.5h to obtain a reaction solution C;
[0041] S4: Mix 30 parts of reaction solution B and 15 parts of reaction solution C, drop 10 parts of hydr...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More