Preparation method of light-resistant and waterproof water-based flame-retardant polyurethane coating and adhesive
A polyurethane coating and waterproof technology, applied in the direction of polyurea/polyurethane coatings, polyurea/polyurethane adhesives, adhesives, etc., can solve problems such as large toxic side effects and carcinogenicity, reduce toxicity problems, and improve leveling. , the effect of high efficiency
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
example 1
[0024] (1) Preparation of fullerene catalyst: Weigh 40mg of fullerene into a 250ml three-necked flask, add 20g of triethanolamine and 12g of ethanol, stir and react in an oil bath at 70°C under nitrogen protection for 8h, evaporate excess triethanolamine and Ethanol, the resulting brown sticky substance was dissolved by shaking with 10ml of distilled water, and then 50ml of acetone was added, a large amount of brown flocculent precipitates were precipitated, centrifuged, the precipitate was washed twice with acetone, and dried in vacuo to obtain 140mg of brown powder fullerene triethanolamine Derivatives; the above 140mg fullerene triethanolamine derivatives were dissolved in 20ml distilled water, poured into 30ml aqueous solution containing 200mg 4-amino-2,6-dibromophenol tin chloride hydrochloride, heated to 90°C, A tan precipitate was produced, and after being kept warm for 30 minutes, it was centrifuged while it was hot, and the solid was washed 4 times with distilled water...
example 2
[0029] (1) Preparation of fullerene catalyst: Weigh 40mg of fullerene into a 250ml three-necked flask, add 20g of triethanolamine and 12g of ethanol, stir and react in an oil bath at 70°C under nitrogen protection for 8h, evaporate excess triethanolamine and Ethanol, the resulting brown sticky matter was dissolved by shaking with 10ml of distilled water, and then 50ml of acetone was added, a large amount of brown flocculent precipitates were precipitated, centrifuged, the precipitate was washed twice with acetone, and vacuum-dried to obtain 140mg of brown powder fullerene triethanolamine Derivatives: Dissolve the above-mentioned 140mg fullerene triethanolamine derivative in 20ml distilled water, pour into 30ml aqueous solution in which 200mg of 4-amino-2,6-dibromophenol tin chloride hydrochloride is dissolved, heat to 90°C, There is a tan precipitate, after keeping warm for 30 minutes, centrifuge while it is hot, wash the solid matter with distilled water 4 times, and dry it in...
example 3
[0034] (1) Preparation of fullerene catalyst: Weigh 40mg of fullerene into a 250ml three-necked flask, add 20g of triethanolamine and 12g of ethanol, stir and react in an oil bath at 70°C under nitrogen protection for 8h, evaporate excess triethanolamine and Ethanol, the resulting brown sticky substance was dissolved by shaking with 10ml of distilled water, and then 50ml of acetone was added, a large amount of brown flocculent precipitates were precipitated, centrifuged, the precipitate was washed twice with acetone, and dried in vacuo to obtain 140mg of brown powder fullerene triethanolamine Derivatives: Dissolve the above-mentioned 140mg fullerene triethanolamine derivative in 20ml distilled water, pour into 30ml aqueous solution in which 200mg of 4-amino-2,6-dibromophenol tin chloride hydrochloride is dissolved, heat to 90°C, A tan precipitate is produced, after being kept warm for 30 minutes, centrifuged while hot, the solid is washed 4 times with distilled water, and dried...
PUM
| Property | Measurement | Unit |
|---|---|---|
| wavelength | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More